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???? ????? ?? ???? ????? ????????????? ?? ???? ???? ???? ?????????: ????? ????? ??? Cisco??????? ???? ????????????? ??? ??????:?????????:???? ??????? ?????:???? ????????????? ?????----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------?????????????? ?????- 3………………………………………………………………….cisco switch ws-c2950t-246…………………………………………:Cisco Switch WS-2950SX-24 -????? ?????........................................................8:Cisco Switch WS-C2950SX- 48-SI-????? ?????........................................................10:Cisco Switch WS-C2950T-48-SI - ????? ?????12:...........................................................Cisco Catalyst WS-C2950-12 -????? ?????16……...……………………………..:Cisco Switch WS-C2950G-12-EI-????? ?????18:.................................................. Cisco Switch WS-C2950-24 - ????? 24 ???? ?????22…………..…………………………………Cisco Catalyst WS-C2950G-24-EI-????? 2950 ?????:25………....….………………………:Cisco Switch WS-C2950G-48-EI-????? ?????28………..……………………………:Cisco WS-C2960-24TC-L - ????? 2960 ?????32………..…………………………:Cisco Switch WS-C2960-24LT-L - ????? ?????35…………………………………….:Cisco WS-C2960-48TC-L - ????? 2960 ?????38…………………………….:Cisco Switch WS-C2960-48TT-L - ????? 2960 ?????42………….……………………………………………:Cisco Catalyst WS-C3512-XL-EN-????? ?????44………….…………………………………………..:Cisco Catalyst WS-C3524-XL-EN -????? ?????47….…….………………………………:Cisco Switch WS-C3550-12T - ????? ?????50……...…….…………………………………………...:Cisco 3550-48 - ????? ?????53……....……………………………….:Cisco Switch WS-C3550-12G - ????? ?????55…….……..…………………:Cisco Switch WS-C3560-48TS-S - ????? ???? 3 ?????57…...……………………………:Cisco WS-C3560-24PS-S - ????? 3560 PoE ?????63…….……..……………..:Cisco Switch WS-C3560G-48PS-S - ????? ????? 3560G66…..………………………..:Cisco Switch WS-C3750G-12S-S - ????? ????? 3750G68……...…………………………….:Cisco Switch WS-C3750G-12S-E- ????? ?????70….………………………:Cisco Switch WS-C3750G-24TS-E - ????? ????? 3750G72….………………………:Cisco Switch WS-C3750G-48TS-E - ????? ????? 3750G74……..……..……………………………………..:Cisco WS-C3750-24PS-S - ????? 3750 PoE ?????.....................................................80:Cisco WS-C3750-48PS-S - ????? 3750 PoE ?????........................................................85:Cisco WS-C3750E-24PD-S - ????? ????? 3750E87……..….…………………:Cisco Switch WS-C3750G-24TS-S - ????? ????? 3750G.................................................91:Cisco Switch WS-C3560-48TS-S - ????? ???? 3 ?????94..……....………………………………:Cisco WS-C3750-48TS-S - ????? 3750 ?????97…………….…………..:Cisco Switch WS-C3750G-24TS-S1U - ????? ????? 3750G100……......……………………..:Cisco Switch WS-C3750G-24TS-E1U - ????? ?????102……...…………………………….:Cisco Switch WS-C3750G-24T-S - ????? ?????104……..…………………………….:Cisco Switch WS-C3750G-24T-E - ????? ?????:..............................................................106Cisco WS-C4506 – ????? ????? ?? ????? PoE????? ???? ??? ?????......................................................................111????? ???? ????? ???200..............................................................114????? ?????? ????????eigrp...............................................................117119…….…..……………………………………………………………..cisco firewall-PIX515 ??????? ?????:...................................................................................122Cisco 7960G -???? ?????:....................................................................................129Cisco 7940G - ???? ?????:.............................................................................136Cisco 7911G - ???? VoIP ?????cisco switch ws-c2950t-24 ????? ?????????? 2950T ????? ???????? ??? ?? ?? ????? ????? ????? ???? ????? ?? ???? ?????? ??????? ?????. ??? ????? ?????? ?????? ??? ?? ?? ??? ??? ???? ?????? ???? ???.????? ????? ????????: WS-C2950-24-T ?? ?? ????????? ???? ??? Ethernet 24x 100 Mbps???? ??? Uplink 2x 1 Gbps RJ-45???????? ?? PoE no???? ?????? ?????Layer 2:??????? ????? ????? Cisco Catalyst WS-C2950-24-T????? 2950 ?? ?? ???? ?????? ?? ???? ?? ??????? ?? ?????. ??????? ?????:???? Cisco????? ??????? ????? 24x 100 Mbps????? ??????? uplink 2x 1 Gbps??? ???? uplink RJ-45???? ?????? ????? Layer 2??? ?????? ????? Access???? ????? ??????????? ?? PoE No?????? ???? ???? ???????? ??? 8 MB????? RAM ????? 16 MB?????? ??? ????? (??? ?? ?????) 4.8Gbps??? ????? (???? ?? ?????? ???? 64 ?????) 3.6Mpps?????? ????? VLAN ??? ????? ??? 4094?????? ????? VLAN ??? ???? 256?????? ??????? MAC 8000???? ????? ??? ??????? ???? ???? 120-230v?????? ???? PoE no???? ?????? ???? ??? ?? ??????? 4.36 x 44.45 x 24.18 cm:Cisco Switch WS-2950SX-24 -????? ?????????? 2950 ?? ???? ?? ???? ????? ? ?? ???? ?? ???? ???? ?????? ??? ???? ???? ?? ???? ??? ???? ?? ? ?????? ?????? ? ??? ?????? ???? ? ?? ???? ???? ?? ???? ?? ????? ??? ??? ??? ?????? ????? ???? ???? ?? ????. ????? 2950SX-24 ?????? ????? 24 ???? ?????? 2950 ?? ???? ?? ??? ????? ?? ????? ??????? Uplink ?? ????? ???? ??????? ?? ????? ?? ??? SFP SX ?? ????. ????? Switch WS-2950SX-24: ?? ?? ????????? ???? ??? Ethernet 24x 100 Mbps???? ??? Uplink 2x 1 Gbps SFP???????? ?? PoE N/A Watt???? ?????? ????? Layer 2??????? ????? ????? ????? Cisco WS-2950SX-24 ... ??????? ?????????Cisco????? ??????? ?????24x 100 Mbps????? ??????? uplink2x 1 Gbps??? ???? uplinkSFP???? ?????? ?????Layer 2??? ?????? ?????Access???? ???????????????? ?? PoENo?????? ???? ???????????? ???8 MB????? RAM ?????16 MB?????? ??? ????? (??? ?? ?????)8.8 Gbps??? ????? (???? ?? ?????? ???? 64 ?????)6.6 Mpps?????? ????? VLAN ??? ????? ???256?????? ????? VLAN ??? ????4094?????? ??????? MAC8000???? ????? ?????????? ???? ????120-230V Watt?????? ???? PoEN/A Watt???? ?????????? ??? ?? ?????3.0 Kg?????4.36 x 44.45 x 24.18 cm:Cisco Switch WS-C2950SX- 48-SI-????? ?????????? 2950 ?? ???? ????? ??? ????? ???? ??????? ?? ???? ??? ???? ? ????? ?? ???? ? ?????? ???? ????? ????? ???? ? ?? ???? ?? ???? ???? ?????? ??? ???? ???? ?? ???? ??? ???? ?? ? ?????? ?????? ? ??? ?????? ???? ? ?? ???? ???? ?? ???? ?? ????? ??? ??? ??? ?????? ????? ???? ???? ?? ????. ????? 2950SX-48 ?????? ????? 48 ???? ?????? 2950 ?? ???? ?? ??? ????? ?? ????? ??????? Uplink ?? ????? ???? ??????? ?? ????? ?? ??? SFP SX ?? ????.????? Switch WS-C2950SX- 48-SI: ?? ?? ????????? ???? ??? Ethernet 48x 100 Mbps???? ??? Uplink 2x 1 Gbps SFP???? ?????? ????? Layer 2??????? ????? ????? ????? Cisco WS-C2950SX- 48-SI ... ??????? ?????????Cisco????? ??????? ?????48x 100 Mbps????? ??????? uplink2x 1 Gbps??? ???? uplinkSFP???? ?????? ?????Layer 2??? ?????? ?????Access???? ???????????????? ?? PoENo?????? ???? ???????????? ???8 MB????? RAM ?????16 MB?????? ??? ????? (??? ?? ?????)13.6 Gbps??? ????? (???? ?? ?????? ???? 64 ?????)10.1 Mpps?????? ????? VLAN ??? ????? ???4094?????? ????? VLAN ??? ????256?????? ??????? MAC8000???? ????? ?????????? ???? ????120-230V???? ?????????? ??? ?? ?????4.8 Kg?????4.36 x 44.45 x 33.02 cm:Cisco Switch WS-C2950T-48-SI - ????? ?????????? 2950 ?? ????? ??? ????? ???? ??????? ?? ???? ??? ???? ? ????? ?? ???? ? ?? ???? ?? ???? ???? ?????? ??? ???? ???? ?? ???? ??? ???? ?? ? ?????? ?????? ? ??? ?????? ???? ? ?? ???? ???? ?? ???? ?? ????? ??? ??? ??? ?????? ? ?????? ???? ????? ????? ???? ???? ?? ????. ????? WS-C2950T-48-SI ?????? ????? 48 ???? ?? ????? ???? 100Mbps ?? ???? ? ?? ???? Uplink ????? ?? ??? ??? ????? ????? ???? ??????? ?? ????? ?? ??? ?????????? RJ45 ?? ????.????? Switch WS-C2950T-48-SI: ?? ?? ????????? ???? ??? Ethernet 48x 100 Mbps???? ??? Uplink 2x 1 Gbps RJ-45???????? ?? PoE N/A Watt???? ?????? ????? Layer 2??????? ????? ????? ????? Cisco WS-C2950T-48-SI ... ??????? ?????????Cisco????? ??????? ?????48x 100 Mbps????? ??????? uplink2x 1 Gbps??? ???? uplinkRJ-45???? ?????? ?????Layer 2??? ?????? ?????Access???? ???????????????? ?? PoENo?????? ???? ???????????? ???8 MB????? RAM ?????16 MB?????? ??? ????? (??? ?? ?????)13.6 Gbps??? ????? (???? ?? ?????? ???? 64 ?????)10.1 Mpps?????? ????? VLAN ??? ????? ???4096?????? ????? VLAN ??? ????1024?????? ??????? MAC8000???? ????? ?????????? ???? ????100-240 VAC Watt?????? ???? PoEN/A Watt???? ?????????? ??? ?? ?????4.8 kg?????4.36 x 44.45 x 33.02 cm:Cisco Catalyst WS-C2950-12 -????? ???????? ????? ?? ???? ???? ????? ????? ????? ????? ?? ??????? ?? ????? ??? Reliable ????? ??????? ???? ??? ????????? ???? ????? ????. ?????: Cisco Catalyst WS-C2950-12 ?? ?? ????????? ???? ??? Ethernet 12x 100 Mbps???????? ?? PoE no???? ?????? ?????Layer 2??????? ????? ?????: WS-C2950-12 ?????????? 2950 ?????? ?? 12 ???? ????.??????? ?????:???? Cisco????? ??????? ????? 12x 100 Mbps???? ?????? ????? Layer 2??? ?????? ????? Access ???? ????? ??????????? ?? PoE No?????? ???? ???? ???????? ??? 8 MB????? RAM ????? 16 MB?????? ??? ????? (??? ?? ?????) 2.4Gbps??? ????? (???? ?? ?????? ???? 64 ?????) 1.8Mpps?????? ????? VLAN ??? ????? ??? 4094?????? ????? VLAN ??? ???? 256?????? ??????? MAC 8000???? ????? ??? ??????? ???? ???? 200 to 240 VAC?????? ???? PoE no???? ?????? ???? ??? ?? ????? 3kg????? 4.36 x 44.45 x 24.18 cm:Cisco Switch WS-C2950G-12-EI-????? ?????????? 2950 ?? ???? ?? ???? ???? ?????? ??? ???? ???? ?? ???? ??? ???? ?? ? ?????? ?????? ? ??? ?????? ???? ? ?? ???? ???? ?? ???? ?? ????? ??? ??? ??? ?????? ????? ???? ???? ?? ????. ????? Cisco Switch WS-C2950G-12-EI ?????? ????? 12 ???? ?????? 2950 ?? ???? ?? ??? ????? ?? ????? ??????? Uplink ?? ????? ???? ??????? ?? ????? ?? ??? GBIC ?? ????. ????? Switch WS-2950G-12-EI: ?? ?? ????????? ???? ??? Ethernet 12x 100 Mbps???? ??? Uplink 2x 1 Gbps GBIC???????? ?? PoE N/A??????? ????? ????? ????? Cisco WS-2950G-12-EI ... ??????? ?????????Cisco????? ??????? ?????12x 100 Mbps????? ??????? uplink2x 1 Gbps??? ???? uplinkGBIC??? ?????? ?????Access???? ???????????????? ?? PoENo?????? ???? ???????????? ???8 MB????? RAM ?????16 MB?????? ??? ????? (??? ?? ?????)6.8 Gbps??? ????? (???? ?? ?????? ???? 64 ?????)4.8 Mpps?????? ????? VLAN ??? ????? ???4094?????? ????? VLAN ??? ????256?????? ??????? MAC8000???? ????? ?????????? ???? ????120-230V?????? ???? PoEN/A???? ?????????? ??? ?? ?????3.0 Kg?????4.36 x 44.5 x 24.18 cm:Cisco Switch WS-C2950-24 - ????? 24 ???? ?????????? 2950 ????? ?? 24 ???? ????? 10/100 ? ???????? ?? ?????????? ?????? ? ????? ????? ?????. ????? ???? ???? ??? ????? ? ???????? ???. CCNA ? CCNP ?????:Cisco Switch WS-C2950-24 ?? ?? ????????? ???? ??? Ethernet 24x 100 Mbps???? ?????? ????? Layer 2????? ?? ????? 2950 ?????????? ??? 2950 ????? ??? ?? ????????? ????? ??? ????? ???? ??? ?? ????? ??? ??? ?? ????? ?? ???? ????? ???. ????? ??? ????? ???? discontinued ??? ??? ? ?? ????? ???? ???????? ?????? ???????? ??????? ?? ???? ????? ?? ??????? ????. ?? ????? ???? ?? ???? ????? 2950 ??????? ?? ?? ???? ????? ???? VLAN ???? ??????? ???? ???. ?????? ?????? ??? ??? ???????? ????? STP ?? ???????? ?????. ????? ????? ??????? ??? ?????? ? ????? ????? ??? ???????? ??????.? ???? ????? ????? 2950????? 2950 ????? ?????? ???? ????? ???. ???????? ???? ?? ????????? ??? ???. ????? ?? ??? ????? ???? ????? 2950 ?? ?? ???? ??? ???? ? ??????? ?? ???? ???????. ???????? ???? ????? ????? 2950 ?? ?? ????? ??? ?????? ????? ???? ???. ???????? ?? ?????????? ?????? ? QoS??? 2950 ????? ?????? ?? ??????? ???? ????? ???? ????? ??? ?????? ?? ???? ?????. ?? ????? 2950 ????? ???????? ?? ???????? ????? Port security ????? ??????? ????. ?? ??????? ???? ????? ???????? ??????? ?? ?? ???? ????? ?? ????? ?? ???? ??? MAC ??? ???? ?? ??????????? ??? ???? ??????? ?? ???? ???? ????. ????? ?? ??? 2950 ??????? ??? IEEE 802.1X ?? ???? ??????? ??????? ???????? ?????. ?????? ??????? ? ????????? ???????? ?? 2950???? ?????? ?????? ??????? ???? ???? ?? ?? ????? ???? ??????? ? ??????? ????? ????? ???? ????? ???. 2950 ????? ?????? STP ? ?? ???? IEEE 802.1D ?? ???????? ????? ?? loop ???? ?? ?? ???? ???? ??????? ????? ?? ???? ?? ???? ?? ?? ??? ????????. ?????? PVRST+ ??? ???????? ????? ?? ????? ?? ??????? ???? ?????? STP ?????? VLAN ?? ????? ?? ??????? ????? ?????? ???. ????? 2950 ????? ?????? ?????? ??? PortFast? UplinkFast, BackboneFast ????? ?? ??? ???????? ?????. PortFast ???? ????? ???? ?????????? ?? ???? ???? ???. ??? ???? ??? ????? ?? ??????? ??????? ???? ? ??????? ?? 2950 ? ???? ???? PortFast ???? ?????? ???? ?? ??????? ?? ???????? ????? ???? ??? ????? ???? (??? ?? ??? ????). Cisco 2950 ???? ???????? ??? CCNA ? CCNP ??????????? ???? ????? 2950 ????? ?? ???????? ?? ? ???? ??? CCNA? CCNP ? ??? CCIE ???. ??????? ?? ??? ??????? ????? ???? ?? ??????? ?? ??????? ???? ???? ????? Cisco Packet Tracer ???. 2950 ???? ??????? ?? ??????? ????? ?? ???????? ????? ? ????????? ???? ???????? ?? ??? ????? ????? ???? ????. ?????? ?????? ?? ?????? ???? ???? ?? ????? ????? ???? ??? ????? ??? ?? ????. ???????? ??????? ?? ???? ???? ???? ?? ??? ????? ??? ????? ???? ????. ???? ?????? ???? ?? ????? ???? ????? 2950 ????? ????? ?????. ????? ??? ???? ???? ????? 2950 ????? ???? ????? 2950 ???? ???????? ?? ???? ?? ????? ???? VLAN ? ??????? ?????? ???? ????? ????? ?????. ??? ??????? ?? ????????? ???? ????????? ? ?? ???? ?? ???????? ?? ?????? ????? ?? ???? ????? ????? ???????? ????. ???? 2950 ????? ???? ?? ?????? ?????? 2960 ??? ??? ???????? ?? ????? ????? ??????? ?????? ?? ???????? ???. ?????? ???? ??? ????? ?? ???????? ?? ? ?????? ?? ?? ??? ??????? ???? ??? ????? ????? ????? ?????. ??????? ?????????Cisco????? ??????? ?????24x 100 Mbps???? ?????? ?????Layer 2??? ?????? ?????Access???? ???????????????? ?? PoENo?????? ???? ???????????? ???8 MB????? RAM ?????16 MB?????? ??? ????? (??? ?? ?????)8.8 Gbps??? ????? (???? ?? ?????? ???? 64 ?????)3.6 Mpps?????? ??????? MAC8000???? ????? ?????????? ?????????? ??? ?? ?????3 kg?????4.36 x 44.45 x 24.18 cmCisco Catalyst WS-C2950G-24-EI-????? 2950 ?????:??? ????? ????? ????? 2950 ????? ??? ??? ?? ???? ?????? ???? ?? ?? ???? ??????? ?? ????? ??? ??????. ?? ??? ??? ????? ?? ?? ????? ???? ????? 2960 ????? ??? ???? ????? ???????? ???????? ?? ??? ????? ??????? ????.:????? ????? ??????? WS-C2950G-24-EI ?? ?? ????????? ???? ??? Ethernet 24x 100 Mbps???? ??? Uplink 2x 1 Gbps GBIC???????? ?? PoE no???? ?????? ?????Layer 2??????? ?????: Cisco WS-C2950G-24-EI ?????????? 2950G ?? ?? ???? ?????? ?????????????? ?????:???? Cisco????? ??????? ????? 24x 100 Mbps????? ??????? uplink 2x 1 Gbps??? ???? uplink GBIC???? ?????? ????? Layer 2??? ?????? ????? Access???? ????? ??? ???????? ?? PoE No?????? ???? ???? ???????? ??? 8 MB????? RAM ????? 16 MB?????? ??? ????? (??? ?? ?????) 8.8 Gbps??? ????? (???? ?? ?????? ???? 64 ?????) 3.6Mpps?????? ????? VLAN ??? ????? ??? 4094?????? ????? VLAN ??? ???? 256?????? ??????? MAC 8000???? ????? ??? ??????? ???? ???? 120-230v?????? ???? PoE no???? ?????? ???? ??? ?? ????? 3kg ????? 4.36 x 44.45 x 24.18 cm:Cisco Switch WS-C2950G-48-EI-????? ?????????? 2950 ?? ???? ????? ??? ????? ???? ??????? ?? ???? ??? ???? ? ????? ?? ???? ? ?? ???? ?? ???? ???? ?????? ??? ???? ???? ?? ???? ??? ???? ?? ? ?????? ?????? ? ??? ?????? ???? ? ?? ???? ???? ?? ???? ?? ????? ??? ??? ??? ?????? ????? ???? ???? ?? ????. ????? 2950G-48-EI ?????? ????? 48 ???? ?????? 2950 ?? ???? ?? ??? ????? ?? ????? ??????? Uplink ?? ????? ???? ??????? ?? ????? ?? ??? GBIC ?? ????. ????? Switch WS-C2950G-48-EI: ?? ?? ????????? ???? ??? Ethernet 48x 100 Mbps???? ??? Uplink 2x 1 Gbps GBIC???????? ?? PoE N/A??????? ????? ????? ????? Cisco WS-C2950G-48-EI ... ??????? ?????????Cisco????? ??????? ?????48x 100 Mbps????? ??????? uplink2x 1 Gbps??? ???? uplinkGBIC??? ?????? ?????Access???? ???????????????? ?? PoENo?????? ???? ???????????? ???8 MB????? RAM ?????16 MB?????? ??? ????? (??? ?? ?????)13.6 Gbps??? ????? (???? ?? ?????? ???? 64 ?????)10.1 Mpps?????? ????? VLAN ??? ????? ???256?????? ????? VLAN ??? ????4094?????? ??????? MAC8000???? ????? ?????????? ???? ????120-230V?????? ???? PoEN/A???? ?????????? ??? ?? ?????4.5 Kg?????4.36 x 44.5 x 33.02 cm:Cisco WS-C2960-24TC-L - ????? 2960 ?????????? 24 ???? ????? ?? ??? 2960? ????? 24 ???? ????? 10/100 ? ?? ???? uplink ???? ???? ?? ??????? ?? SFPCisco WS-C2960-24TC-L: ?? ?? ????????? ???? ??? Ethernet 24x 100 Mbps???? ??? Uplink 2x 1 Gbps SFP???? ?????? ????? Layer 2??????? ????? WS-C2960-24TC-L ????? ????? ?? ????? WS-C2960-24TC-L ?????????? ???? ????? ????? WS-C2960-24TC-L ?? ????? ????? ???? ??????? 2960 (WS-C2960-24TT-L) ????? ???? uplink ???? ???? ???. ?? ??????? ?? ????? ??? SFP ???????? ??? ???? ?????? ??? ????? ????? ?? ????? ????. ???????? ???? WS-C2960-24TC-L ????? ?????????? ??? ?? ?????? ??????? ?? ???? ???? ?????. ????? ????? ?? ??? ????? ????? ???? ?? ??????? ?? ?? ??????? ????? ???? ?????? ???? ??? ?? ???? ???? ??????? ??? ?? ?? ????? ?????? ??????? ???????? (????? ?? ??? ?????) ????? ???.? ???? ??? ????? ??? ?????? ?? ????? ????? 2960 ???? ???? ???? ???? ??? (???? TT-L ??? ?????). ???? ???? ??? ????? ?? ??????? ????? ?? ????????? ????? ???? ???? ??????. ??????? WS-C2960-24TC-L24 ???? 10/100 ????? 2 ???? ?? ??????? ?? ??????? ?? SFP???? ?????? ? ?????? WS-C2960-24TC-L?????? ??? ????? ?? ?? ??? ????? ???? ???????? 24 ???? ??????? 2960 ????? ???. ?????? ?????: ??? ????? ??????? ???? (64 ?????): 10.1 Mpps ??? ??????? ???? ????: 16 ??????? ?? ????? ????? ???: 32 ??????? ????? RAM: 64 ???????????? ????? ????? ?? WS-C2960-24TC-LWS-C2960-24TC-L ????? ???? ????? ??????? ????? ??? 2960 ????? ?????? ?? ??????? ??? ???? ???? ????? QoS ?? ???????? ?????. ????? ?????? 802.1p ???? ???? ???? ???? ??? ???? ? ???? ???? ???? ????? ???? ??? ???. WS-C2960-24TC-L ?????? ????? 4 ?? ???????? ???. ???? ???????? ????? ??????? ???? ?????? ?? Shaped Round Robin (SRR) ??????? ???. ???? ??????? ?? Weighted Tail Drop (WTD) ? Strict priority queuing ?????.? ???? ??? ????? ???? ?????????? ????? ???? ???????? ?? ???? ?? ????? ????? ????? ??????? ?????. ?? ?????? ???? ?? ????????? ???? ?? ???? ??????. ????? ??? ???? ???? ????? WS-C2960-24TC-L ?????????? WS-C2960-24TC-L ???? ?? ????? ?????? ?? ???? ?? ????? ???? ???? ?? ?????? ???? ????? ???. ?????? ????? ???? ???????? ???? ?????? ??? (managed) ?????? ???? ??? ????? ?? ?????? ?? ?? ????? ?? ????? ?? ?????? ????? VLAN ????? ??????? ?????. ?? ???? ?? ????? WS-C2960-24TC-L ??? ??????? 100 ?????? ???? ?????? ?????????? ?? ???? ????? ?????? ???? ????? ???? ??????? ??????? ???? ?? ???? ???? 2960G ???. ???? ??????? ????? ? ??????? ???? WS-C2960-24TC-L ?? ????? ???? ???? ???? ????. ??????? ????? ???? Cisco ????? ??????? ?????24x 100 Mbps????? ??????? uplink2x 1 Gbps??? ???? uplinkSFP???? ?????? ?????Layer 2??? ?????? ?????Access???? ???????????????? ?? PoENo?????? ???? ???????????? ???32 MB????? RAM ?????64 MB?????? ??? ????? (??? ?? ?????)16 Gbps??? ????? (???? ?? ?????? ???? 64 ?????)6.5 mpps?????? ????? VLAN ??? ????? ???4000?????? ????? VLAN ??? ????256 ?????? ??????? MAC8000???? ????? ?????????? ?????????? ??? ?? ?????3.6 kg?????4.4 x 45 x 23.6 cm:Cisco Switch WS-C2960-24LT-L - ????? ?????????? 2960 ?? 24 ???? ????. 8 ???? ?? ??? 24 ???? ????? PoE. ?????????? ????? WS-C2960-24LT-L: ?? ?? ????????? ???? ??? Ethernet 24x 100 Mbps???? ??? Uplink 2x 1 Gbps RJ-45???????? ?? PoE 123W???? ?????? ????? Layer 2??????? ????? ????? Cisco WS-C2960-24LT-L ??? ????? ????? ?????????? ??? ?? ???? ?? ????? 24 ???? ????? ??? ????? ?????? ???? ???? PoE ?????. ??? ????? ??? ????? 8 ???? PoE ??????. ??????? ?????????Cisco????? ??????? ?????24x 100 Mbps????? ??????? uplink2x 1 Gbps??? ???? uplinkRJ-45???? ?????? ?????Layer 2??? ?????? ?????Access???? ???????????????? ?? PoECisco inline power, PoE (802.3af)?????? ???? ???????????? ???32 MB????? RAM ?????64 MB?????? ??? ????? (??? ?? ?????)16 Gbps??? ????? (???? ?? ?????? ???? 64 ?????)6.5 Mpps?????? ????? VLAN ??? ????? ???4094?????? ????? VLAN ??? ????256?????? ??????? MAC8000???? ????? ?????????? ???? ????120-230v?????? ???? PoE123W???? ?????????? ??? ?? ?????4.50 kg?????4.4 x 44.5 x 23.6 cm:Cisco WS-C2960-48TC-L - ????? 2960 ?????L ???? ?????????? ?? ?? ????? ????? ?? ?????? ??????? ???? ????? ????? ?????.Cisco WS-C2960-48TC-L: ?? ?? ????????? ???? ??? Ethernet 48x 100 Mbps???? ??? Uplink 2x 1 Gbps SFP???? ?????? ????? Layer 2??????? ????? WS-C2960-48TC-L ????? ????? ?? ????? WS-C2960-48TC-L ?????????? ???? ????? ????? WS-C2960-48TC-L ?? ????? ????? ???? ??????? 2960 (WS-C2960-48TT-L) ????? ???? uplink ???? ???? ???. ?? ??????? ?? ????? ??? SFP ???????? ??? ???? ?????? ??? ????? ????? ?? ????? ????. ???????? ???? ???? WS-C2960-48TC-L ????? ?????????? ??? ?? ?????? ??????? ?? ???? ???? ?????. ????? ????? ?? ??? ????? ????? ???? ?? ??????? ?? ?? ??????? ????? ???? ?????? ???? ??? ????? ???? ?? ?? ???? ???? ?????? ????. ?? ????? ?? ???? ????? ?????? ??? ?? ???? ?? ????????? ???? ?? ???? ???? ????. ??????? WS-C2960-48TC-L48 ???? 10/100 ????? 2 ???? ?? ??????? ?? ??????? ?? SFP???? ?????? ? ?????? WS-C2960-48TC-L?????? ??? ????? ?? ?? ??? ????? ???? ???????? 48 ???? ??????? 2960 ????? ???. ?????? ?????: ??? ????? ??????? ???? (64 ?????): 10.1 Mpps ??? ??????? ???? ????: 16 ??????? ?? ????? ????? ???: 32 ??????? ????? RAM: 64 ???????????? ????? ????? ?? ???? WS-C2960-48TC-LWS-C2960-48TC-L ????? ???? ????? ??????? ????? ??? 2960 ????? ?????? ?? ??????? ??? ???? ???? ????? QoS ?? ???????? ?????. ?? ????? ?? ????????? VoIP ?? ????? ???? ??????? ????? ?? ???????? ????? ??????? ????. ???? ??????? ????? ?? ????????? ???? ????? ???? ???? ??????. ????? ??? ???? ???? ????? WS-C2960-48TC-L ?????????? WS-C2960-48TC-L ???? ?? ????? ?????? ?? ???? ?? ????? ???? ???? ?? ?????? ???? ????? ???. ?????? ????? ???? ???????? ???? ?????? ??? (managed) ?????? ???? ??? ????? ?? ?????? ?? ?? ????? ?? ????? ?? ?????? ????? VLAN ????? ??????? ?????. ?? ???? ?? ????? WS-C2960-48TC-L ??? ??????? 100 ?????? ???? ?????? ?????????? ?? ???? ????? ?????? ???? ????? ???? ??????? ??????? ???? ?? ???? ???? 2960G ???. ???? ??????? ????? ? ??????? ???? WS-C2960-48TC-L ?? ????? ???? ???? ???? ????. ??????? ?????????Cisco????? ??????? ?????48x 100 Mbps????? ??????? uplink2x 1 Gbps??? ???? uplinkSFP???? ?????? ?????Layer 2??? ?????? ?????Access???? ???????????????? ?? PoENo?????? ???? ???????????? ???32 MB????? RAM ?????64 MB?????? ??? ????? (??? ?? ?????)16 Gbps??? ????? (???? ?? ?????? ???? 64 ?????)10.1 mpps?????? ????? VLAN ??? ????? ???4000?????? ????? VLAN ??? ????256 ?????? ??????? MAC8000???? ????? ?????????? ?????????? ??? ?? ?????3.6 kg?????4.4 x 45 x 33.2 cm:Cisco Switch WS-C2960-48TT-L - ????? 2960 ?????????? 2960 ????? ?? 48 ???? ????? 10/100 ???? ????????? ???????. ??? ????? ???? 2 ??? ? ???? ????? ???? VLAN ????? ??????.????? 2960 ????? ?? 48 ???? ????? 10/100 ???? ????????? ???????. ??? ????? ???? 2 ??? ? ???? ????? ???? VLAN ????? ??????. ????? ???? ????? ???? ????????? ? ??????? ??????? ?? ???? ?? ???.:Cisco WS-C2960-48TT-L ?? ?? ????????? ???? ??? Ethernet 48x 100 Mbps???? ??? Uplink 2x 1 Gbps RJ-45???? ?????? ????? Layer 2??????? ????????? Cisco????? ??????? ????? 48x 100 Mbps ????? ??????? uplink 2x 1 Gbps ??? ???? uplink RJ-45???? ?????? ????? Layer 2??? ?????? ????? Access???? ????? ??????????? ?? PoE No ?????? ???? ???? ???????? ??? 32 MB????? RAM ????? 64 MB?????? ??? ????? (??? ?? ?????) 16 Gbps??? ????? (???? ?? ?????? ???? 64 ?????) 10.1 mpps?????? ????? VLAN ??? ????? ??? 4000?????? ????? VLAN ??? ???? 256?????? ??????? MAC 8000???? ????? ??? ??????? ?????? ???? ??? ?? ?? ??? 3.6 kg????? 4.4 x 45 x 33.2 cm????? ????? 2960 Ethernet ports ????? ???? ??? Ethernet48x 100 Mbps????? ????? 2960 Uplink ports ???? ??? Uplink2x 1 Gbps RJ-45??????? WS-C2960-48TT-L 48 ???? 10/100 ????? 2 ???? ?? ??????? ????????? ?????? ? ?????? WS-C2960-48TT-L ??? ????? ??????? ???? (64 ?????): 10.1 Mpps ??? ??????? ???? ????: 16 ??????? ?? ????? ????? ???: 32 ??????? ????? RAM: 64 ???????????? ??? ???? ????? 2960 ?????????? WS-C2960-48TT-L ???? ?? ????? ?????? ???? ????? ???. ???? ??? ????? ?? ?????? ?? ?? ????? ?? ????? ?? ?????? ????? VLAN ????? ??????? ?????. ????? ???? ??????? 10/100 ????? ?? ?????? ?? ??? ????? ????? ???. ???? ??????? ??????? ???? ?? ???? ???? 2960G ???. ???? ??????? ????? ? ??????? ???? WS-C2960-48TT-L ?? ????? ???? ???? ???? ????.: Cisco Catalyst WS-C3512-XL-EN-????? ??????? ????? ?? ?? ????????? ????? ??? ???? ????? ????? ?????? ? ?? ????? ?? ????? ???? 3 ????? ???? ?????? ????? 3512 ????? ?????? ????? ???. ??? ????? ???? ??????? ???? ????? ?? ????.?????: Catalyst WS-3512-12-XL-EN ?? ?? ????????? ???? ??? Ethernet 12x 100 Mbps???? ??? Uplink 2x 1 Gbps GBIC???????? ?? PoE no???? ?????? ????? Layer 2??????? ????? ????? ?????: WS-3512-12-XL-EN????? ???? 3 ????? ???? ?????. ??? ????? 12 ???? ????.??????? ?????:12x 100 Mbps????? ??????? uplink 2x 1 Gbps??? ???? uplink GBIC???? ?????? ????? Layer 2??? ?????? ????? Access, Distribution???? ????? ??????????? ?? PoE No?????? ???? ???? ????????? ??? ????? (??? ?? ?????) 10 Gbps??? ????? (???? ?? ?????? ???? 64 ?????) 4.8Mpps?????? ????? VLAN ??? ????? ??? 4094?????? ????? VLAN ??? ???? 256?????? ??????? MAC 8000???? ????? ??? ??????? ???? ???? 120 to 240 VAC?????? ???? PoE no???? ?????? ???? ??? ?? ????? 4.6 kg ????? 4.4 x 44.5 x 30 cmCisco Catalyst WS-C3524-XL-EN -????? ?????????? 3524 ????? ?????? ???? 3 ??? ?? ???? ?????????? ????? ???????? ??? VLAN ?? ????? ???. ?? ???? ????? ???? ???? ??? ????? ????? ????? ??? ? ??? ???? ?? ????????? ???????? ???? ?????? ???? ?? ????? ?????.:Cisco WS-3524-24-XL ?? ?? ????????? ???? ??? Ethernet 24x 100 Mbps???? ??? Uplink 2x 1 Gbps 10/100/1000???????? ?? PoE no???? ?????? ?????Layer 2??????? ?????: Cisco Catalyst WS-3524-24-XL-?????????? ???? 3 ????? ?? 24 ???? ???? ?? ???? 10 ? 100 ?????? ?? ?????. ??? ????? ??? ????? ????? ??? ????? ???.??????? ?????:???? Cisco????? ??????? ????? 24x 100 Mbps????? ??????? uplink 2x 1 Gbps??? ???? uplink 10/100/1000???? ?????? ????? Layer 2??? ?????? ????? Access, Distribution???? ????? ??????????? ?? PoE No?????? ???? ???? ????????? ??? ????? (??? ?? ?????) 11 Gbps??? ????? (???? ?? ?????? ???? 64 ?????) 4.8Mpps?????? ????? VLAN ??? ????? ??? 4094?????? ????? VLAN ??? ???? 256?????? ??????? MAC 8000???? ????? ??? ??????? ???? ???? 110-220v?????? ???? PoE no???? ?????? ???? ??? ?? ????? 4.6kg????? 4.4 x 44.5 x 30 cm:Cisco Switch WS-C3550-12T - ????? ?????????? ???? 3 ??? Cisco Switch WS-C3550-12T ????? ?? ???? ?????? ????? ????? ? ?????? ???? ????? ?????? ????? ????? ??????? ??????? RJ-45 ?? ???? ?? ????? ???? Gigabit Ethernet ?? ????. ????? ??? ???? ????????? Backbone ????? ?? ????. ?? ???? ?? ???? ????? ?? ???? ??? ????? ?? ???????? ?? ?? ????? ??? ?????? ??? ?????? ????? ?? ??????? ???? ? ???? ????? ? ????? ????? ????? ?????. ????? Switch WS-C3550-12T: ?? ?? ????????? ???? ??? Ethernet 10x 1Gbps???? ??? Uplink 2x 1 Gbps GBIC???????? ?? PoE N/A??????? ????? ????? ????? Cisco WS-C3550-12T ... ??????? ?????????Cisco????? ??????? ?????10x 1Gbps????? ??????? uplink2x 1 Gbps??? ???? uplinkGBIC??? ?????? ?????Access, Distribution???? ???????????????? ?? PoENo?????? ???? ???????????? ???16 MB????? RAM ?????64 MB?????? ??? ????? (??? ?? ?????)24.0 Gbps??? ????? (???? ?? ?????? ???? 64 ?????)17.0 Mpps?????? ????? VLAN ??? ????? ???4094?????? ????? VLAN ??? ????256?????? ??????? MAC12000???? ????? ?????????? ???? ????120-230V?????? ???? PoEN/A???? ?????????? ??? ?? ?????7.3 kg?????6.7 x 44.5 x 40.4 cm:Cisco 3550-48 - ????? ?????????? 48 ???? ???? ?? ?????? ????? ???? ????????? ?????? ?????? ??? VLAN ??? ????? ???? ?????????? ???? 3 ?????? ? ????? ????? ?????? ? ????? ???? ????? ???? ??? ????? CCNP ? CCIE Cisco 3550-48: ?? ?? ????????? ???? ??? Ethernet 48x 100 Mbps???? ??? Uplink 2x 1 Gbps GBIC???? ?????? ????? Layer 3??????? ????? ????? ????? 3550 ????? ????? 3350 ?????Cisco 35503550 ????? 48 ???? ????? 10/100 ???. ?? ????? ???? ?? ???. ??? ????? ?????? ??????? (enterprise-class) ??? ?? ????? ????????? ????? ???? ??????? ????? ????? ? ????? ????? ????? (QoS) ???. ?? ???? ?? ???? ?? ???? ??? ????? ???????? ????? ?????? ??? VLAN ?? ?? ?? ???? ??? ????? ????? ????. ???? ???? uplink ????? 3550 ????? ???????? ?? ???????? GBIC ??????? ????. ??????? 3550 ????? (48 ?????)48 ???? ????? ???? ?????? (????? ??????????) 2 ???? ??????? ???? uplink ?? ???????? GBIC ?? ???????? ??????. 3550 ? ????? ????? ????? 3550 ????? ?? ????? ?? ????? ???? ?? ??????? QoS ?? ?? ???? 3 ? ?????? ???? ?? ????? ???? ???. ??????? ????? ?? ?????? ?? ?? ??? ????????? 802.1p ???? ????. ???? ???? ? ???? ???? ???? ??? ???? ??????? ?? ???? ???? MAC (???? 2) ? ?? ??????? UDP ? TCP ????. ??? ?????? ??????? ?? ??? ????? ??? ???? 2 ???? ?????. ????? ??? ???? ????? 35503550 ?? ????? ????? ????? ????? ????? ?? ???? ?? ?? ????? ????? ??????. ??? ?????? ????????? ??? ??????? ????. ???? ??? ????? ?? ???????? ????? ????? ?? ?? ????? ?? ????? ????? ???? ????? ????? ?? ?????? ???????? ??? VLAN ?? ?? ????? ???. ?????? ??? ???? ????? ???? ???????? ??? ????? ? ?????????? ?? ?? ????? ??????? ? ?? ??????? ??????? ??? ???? 3 ????? ????? ??????? ?????. ???? 3550 ???? ?? ???? ???? ??? CCNA ? CCNP ????? ?????? ?????? ????? ???. ????? ???? ? ???? ????? 3350 ?? ?????????? ???? 3350 ?? ?? ???? ????? ?????? ?? ????? ?? ???? ???????. ?? ????? ?????? ?? ???? ??? ?? ??????? ?? ???? ???? ????? ???. ????? ?? ????????? ???? ?? ???? ???? ????. ??????? ?????????Cisco????? ??????? ?????48x 100 Mbps????? ??????? uplink2x 1 Gbps??? ???? uplinkGBIC???? ?????? ?????Layer 3??? ?????? ?????Access???? ???????????????? ?? PoENo?????? ???? ???????????? ???16 MB????? RAM ?????64 MB?????? ??? ????? (??? ?? ?????)6.8 Gbps??? ????? (???? ?? ?????? ???? 64 ?????)10.1 Mpps?????? ??????? MAC8000???? ????? ?????????? ?????????? ??? ?? ?????5.9 kg?????4.45 x 44.5 x 41.3 cm:Cisco Switch WS-C3550-12G - ????? ?????????? ???? 3 ??? Cisco Switch WS-C3550-12G ????? ?? ???? ?????? ????? ????? ? ?????? ???? ????? ?????? ????? ????? ??????? ??????? GBIC ?? ???? ?? ?? ???? ?? ?? ?? ???? ??? ?? ?????? ???? ???? ? ???? ???????? ???? ??????? ????. ????? ??? ???? ????????? Backbone ????? ?? ????. ?? ???? ?? ???? ????? ?? ???? ??? ????? ?? ???????? ?? ?? ????? ??? ?????? ??? ?????? ????? ?? ??????? ???? ? ???? ????? ? ????? ????? ????? ?????. ????? Switch WS-3550-12G: ?? ?? ????????? ???? ??? Ethernet 10x 1Gbps???? ??? Uplink 2x 1 Gbps RJ-45???????? ?? PoE N/A??????? ????? ????? ????? Cisco WS-3550-12G ??????? ?????????Cisco????? ??????? ?????10x 1Gbps????? ??????? uplink2x 1 Gbps??? ???? uplinkRJ-45??? ?????? ?????Access, Distribution???? ???????????????? ?? PoENo?????? ???? ???????????? ???16 MB????? RAM ?????64 MB?????? ??? ????? (??? ?? ?????)24.0 Gbps??? ????? (???? ?? ?????? ???? 64 ?????)17.0 Mpps?????? ????? VLAN ??? ????? ???4094?????? ????? VLAN ??? ????256?????? ??????? MAC12000???? ????? ?????????? ???? ????120-230V?????? ???? PoEN/A???? ?????????? ??? ?? ?????7.3 kg?????6.7 x 44.5 x 40.4 cm:Cisco Switch WS-C3560-48TS-S - ????? ???? 3 ?????????? 48 ???? ????? ?? ?????? ?????? ?? ???? 3. ??? ????? ??? ?? ????? ?? ???? ???? ????? ???? 3 ????? ?? ????? 48 ???? ???.Cisco WS-C3560-48TS-S: ?? ?? ????????? ???? ??? Ethernet 48x 100 Mbps???? ??? Uplink 4x 1 Gbps SFP???? ?????? ????? Layer 3??????? ????? ????? 3560 ????? 48 ???? ?????? ??????3560 ????? 48 ??????? ??????3560 ????? ????? 48 ???? 10/100 ???. ?????? ?????? ?? ???? ?? ? ?????? ???? ???? ??? ????? (????? ?? ?????? ?? ????? 3550 ) ?? ?????? ??? ????? ????? ?????. ?????? ???? ?? ???? ?? ????? ??? ???? 3 Cisco 3750 ????? ???. ???? ??? ????? ????? ???????? ??? ?? ???? ?? ?????? ??????? ???? ? ????? ??? ???? ?? ???? ?????. ????? ???? ?????? ???? ??????3560 ????? ?? ????? ?? ????? ?????. ????? ??????? ????? ????? 3560:??????? ????? (??????? ?????? ??????????): 48 ???? ????? ?? ???? 10/100 ??????? uplink: ???? ???? ??????? ???? ????? ???? ?? ???? ?? ??? ?????? SFP ????? (???? ????) ???? ?????? (performance) ????? Cisco WS-C3560-48TS-S????? 3560 ?? ??? performance ????? ????? 3750 ????? ???. ?????? ?????: ????? ???? ??????? ???? ????: 32 Gbps ????? ???: 32 ??????? (?? ?????? ?? 16 ??????? ??? ??? PoE ???). ????? RAM: 128 ?????????????3560 ????? ? ?????? ??? ?? ???? ?? ????? ????? 3560 ????? ???? ????? ??? ??? 3560 ????? ?? ????? ???? 3 ???. ?????? ??? ?? ???? 3 ???? ????? ???? ???????? ????? ???????? ??????? ??? VLAN ?? ?????. ??? ???????? ?? ????? ??????? ?????? ?????? ??? VLAN ?? ?? ????? ????. ?? ??? ????? ????? ?? ?? ???? ????? ??????? ????. ???? ??? ????? ???????? ??????3560 ?????????? ???? ??????? Cisco 3560? ????? ????? ????? ????? 3560 ????? ??????? ??????? ???? uplink ???. ??? ?????? ?? ???? SFP ????? ? ???????? ?? ??????? ?? ???? ???????? ???? ?? ???? 000BASE-SX, 1000BASE-LX/LH, 1000BASE-ZX, 1000BASE-T ????? ?????. ????? ?? ?????? ???????? ??? ?????? ???????? ?? ?? ???? 3560 SFP Interconnect ???? ????? ?? ???? ????? ??? 3560 ??????? ????. ????? ??? ???? ???? ????? ????? 3560?????? ??? 3560 ???? ????????? ???? ?? ?? ???? ?? ????? ??? ???? ?? ??? (???? inter-VLAN routing) ????? ?????. ??????? ???? Cisco WS-C3560-48TS-S ???? ?????????? ????? ????? ?? ??? ?? 24 ???? ???? ????? ?????. ????? ?? ???? ?? ???? ???? ???????? ???? Cisco WS-C3560-48TS-S ????? ???????? ??? ?? ????? ?? ?????? ??? ????? 3750 ??????. ??????? ?????????Cisco????? ??????? ?????48x 100 Mbps????? ??????? uplink4x 1 Gbps??? ???? uplinkSFP???? ?????? ?????Layer 3??? ?????? ?????Access, Distribution???? ???????????????? ?? PoENo?????? ???? ???????????? ???32 MB????? RAM ?????128 MB?????? ??? ????? (??? ?? ?????)32 Gbps??? ????? (???? ?? ?????? ???? 64 ?????)13.1 mpps?????? ????? VLAN ??? ????? ???4000?????? ????? VLAN ??? ????4000?????? ??????? MAC1005???? ????? ?????????? ???? ????65W???? ?????????? ??? ?? ?????6.4 kg?????4.4 x 44.5 x 40.9 cm:Cisco WS-C3560-24PS-S - ????? 3560 PoE ?????????? 3560 ????? (????? ???? ??) ?? 24 ???? PoE. ????? ???? ????? ???? ???? ??? ????? VoIP? ?????? ??? VLAN ?? ? ????? ???? ????????? ????????.:Cisco WS-C3560-24PS-S ?? ?? ????????? ???? ??? Ethernet 24x 100 Mbps???? ??? Uplink 2x 1 Gbps SFP???????? ?? PoE 370W???? ?????? ????? Layer 3???? ????? 3560 ????? 24 PoE ????? ????? WS-C3560-24PS-S???? ????? ?????? ????? ??? ???? ?? ????? ?????. ?? ??? ??? ??? 3560 ???? ???? ?? ? ?????????? ????? ??? ??? ?? ???? ?? ????? ??? ??????? ?????? ??? ?????? ????? ?? ????? ?? ?????? ??? ???? ?????. ??? ????? ?? ?????? ?? ????? ????? ?????? ???? ????? ?????????? ?? ???? ?? ??? ???. ????? ?? ???? WS-C3560-24PS-S ?? ????? ???? 3 ??? ?? ??????? ???? ???????? ? ?????? ??? VLAN ?? ??????? ???. ???????? WS-C3560-24PS-S ??????? ?? ????? ????? backbone ???? ????? ????? ??? 2960 ? 2950 ?? ?????? ??? ??????? ???. WS-C3560-24PS-S ????? 24 ???? ????? 10/100 ??? ? ?? ???? uplink ?? ???? ??????? ?? ????? ????. ????? ??????? ????? 3560 ?????:??????? ????? (??????? ?????? ??????????): 24 ???? ????? ?? ???? 10/100 ??????? uplink: ?? ???? ??????? ???? ????? ???? ?? ???? ??? ??????? ?????? (24 ????) PoE ?? ???????? ??????. ???? ?????? (performance) ????? WS-C3560-24PS-S??? ????? 3560 ????? ?? ??? performance ????? ????? 3750 ????? ???. ?????? ?????: ????? ???? ??????? ???? ????: 32 Gbps ?????? ??? ????? ?????? (??????? 64 ?????): 6.5 Mpps ????? ???: 16 ??????? ????? RAM: 128 ??????? ???? ????? 3560 ????? ???? ???????? ?? PoE????? ???? ?? ??? ??????? ???? ???? ???? ??? VoIP ????? ?????. ?? ??? ????? ????? ?? ??????? ?????? ??? ? ?????? ?? ?????? ?? UPS ?? ???? ???? ? ????? ???? ???? ???? ???????? ???? ???? ?? ?? ???? ????. ????? WS-C3560-24PS-S ???? ??? ?????? ???? ?? ???. ??? ????? 3560 ????? ????? 24 ???? PoE ???. ?????? ???? ?? ???? PoE ????? ?? 15.4 ??? ??? ?? ???? ????? ???? ??? VoIP ???? ???. ?????? ???? PoE ?? ????? 370 ??? ???. ????? ?? ???? ??? ?? ??? PoE ???? ???? ?? ???? ????? ?? ??? ??????? ?????.? ???? ??? ????? ???? ????????? ??? ????? ????? ?????. ???? ????? 3560 ????? ???? ?????? ??? ?? ???? ?? ????? 3560 ????? ?? ????? ???? 3 ???. ?????? ??? ?? ???? 3 ???? ????? ???? ???????? ????? ???????? ??????? ??? VLAN ?? ?????. ??? ???????? ?? ????? ??????? ?????? ?????? ??? VLAN ?? ?? ????? ????. ?? ??? ????? ????? ?? ?? ???? ????? ??????? ????. ???? ??? ????? ???????? ????? 3560 ?????:????? ???? ??????? Cisco 3560? ????? ????? WS-C3560-24PS-S ????? ??????? ??????? ???? uplink ???. ??? ?????? ?? ???? SFP ????? ? ???????? ?? ??????? ?? ???? ???????? ???? ?? ???? 000BASE-SX, 1000BASE-LX/LH, 1000BASE-ZX, 1000BASE-T ????? ?????. ????? ?? ?????? ???????? ??? ?????? ???????? ?? ?? ???? 3560 SFP Interconnect ???? ????? ?? ???? ????? ??? 3560 ??????? ????. ????? ??? ???? ???? WS-C3560-24PS-S??? ????? 3560 ????? ?? ??? ?????? ????? ??? 3750 ???. ????? ???? ?? ???? ???? ??? ????? ?? ???. ???? ????? 3560 ????? ?? ?????????? ??????? ????? ?? ???? ?? ????? ??????? ??????. 3560 ???? ???? ???? ????. ???????? ??? ?? ????? ?????? ???? ?????? ???? ?? ????? ???? 3560 ????? ? ?? ???? ????? ? ?????? ??? ????? ????? STP ???? ?? ?? ?? ????? ????. ??????? ?????????Cisco????? ??????? ?????24x 100 Mbps????? ??????? uplink2x 1 Gbps??? ???? uplinkSFP???? ?????? ?????Layer 3??? ?????? ?????Access, Distribution???? ???????????????? ?? PoECisco inline power, PoE (802.3af)?????? ???? ???????????? ???16 MB????? RAM ?????128 MB?????? ??? ????? (??? ?? ?????)32 Gbps??? ????? (???? ?? ?????? ???? 64 ?????)6.5 mpps?????? ????? VLAN ??? ????? ???4000?????? ????? VLAN ??? ????4000?????? ??????? MAC1005???? ????? ?????????? ???? ????540W?????? ???? PoE370W???? ?????????? ??? ?? ?????5.1 kg?????4.4 x 44.5 x 30 cm:Cisco Switch WS-C3560G-48PS-S - ????? ????? 3560G??? ????? ???? ???? ????? ??? ??? 3560G ??? ?? ??? ????? ?? ????? 48 ???? ??????? ??? ? PoE ?? ??? ???????? ?????.Cisco WS-C3560G-48PS-S: ?? ?? ????????? ???? ??? Ethernet 48x 1 Gbps???? ??? Uplink 4x 1 Gbps SFP???? ?????? ????? Layer 3??????? ????? ????? Cisco WS-C3560G-48PS-S ??? 3560G? ????? ??? ??? 2960 ? 3750 ???? ?? ????. ??? ????? ?? ?? ????? ????? ????? 3750G ??? ?? ??? ????? ?? ???? ???? ??? ????. ?????? ?? ??? ????? ????? 3560G? ????? ??????? ?? ?????? 3750 ???. ?? ????? ??? ?? ????? ????? ???? 3 ????? ?? ??????? ??????? ????? ???? (?? ???? ????) ????????? ????? ???? ????? 3560G? ???. ???? ???? ??? ???? (? ????? 3750 ?? ??? ???) ??? ??? ?? ???? ?????? 10 ??? ??????. ????? ???????? ?? ???????? (Etherchannel) ??????? ???? ? ??? ???? ?????? ?? ?? ?? ????? ????. ??? ???? 10 ??? ???? ???? ???. ?????? ????? 3560G? ? ????? 3560 ???????????? ????? ???? ?? ???? ?????? ???. ??? ????? ?? ?? ???? ?????? ???? ?? (packet per second) ????? 3560G? ????? ?????? ?? ??? ???? ???. ????? ??? Cisco WS-C3560G-24TS-S ???? ?????? ?? ??????? 39 ?????? ???? ?? ????? ??? ?? ???? ?? ??? ???? ??????? (??? 3560-24TS) ??? 6.5 ???? ?? ????? ?????? ?????. ???? ??? ?????? ?? ?? ????? ??????? ???. ????? ??? ???? ?? ???? ???? 3560G? ???? ??? ????? ????? ?????????? ??? ?? ???? ?????? ?????? ????? ? ?? ??? ??? ????? PoE ? ?? ???? ????? ???? ???. ?? ???? ?? ???? ??? ????? ?? ?????? ?? ??? ??? ??? PoE ???? ???? ??? ????? ???? ???? ??? ????? ???? ?? ???? ??????? ???? ????? ?? ???? ???????? ????? ?? ???? PoE ???? ????? ??????? ?????. ??????? ?????????Cisco????? ??????? ?????48x 1 Gbps????? ??????? uplink4x 1 Gbps??? ???? uplinkSFP???? ?????? ?????Layer 3??? ?????? ?????Access, Distribution???? ???????????????? ?? PoENo?????? ???? ???????????? ???32 MB????? RAM ?????128 MB?????? ??? ????? (??? ?? ?????)32 Gbps??? ????? (???? ?? ?????? ???? 64 ?????)38.7 mpps?????? ????? VLAN ??? ????? ???4000?????? ????? VLAN ??? ????Up to 1024?????? ??????? MAC12,000???? ????? ?????????? ???? ????590W???? ?????????? ??? ?? ?????7 kg?????4.4 x 44.5 x 40.9 cm:Cisco Switch WS-C3750G-12S-S - ????? ????? 3750G????? 3750G ????? ?? 12 ???? ???????. ??? ????? ????? ???????? ? ??????? ???? ??? ?? ???? ?? ?????? ??????? ???? ?????.Cisco WS-C3750G-12S-S: ?? ?? ????????? ???? ??? Ethernet 12x 1 Gbps???????? ?? PoE 4.6???? ?????? ????? Layer 3??????? ????? WS-C3750G-12S-S ????? 3750G ??????? ????? ????? ??? ?? ??? ?? ???? ????????? Backbone ??????? ?????. ???? ???? ???? ???? ???? ????? ?? ?? ??????. ?? ??? ???? ?? ??? ????? ???? ???? ???. ???? ???? 3750G ?????? ???? ??? ???. ?? ??? ????? ??? ?? ????? ??????? ??????? ?????? ???? ? ???? ?????? ????? ???? ??????? ???. ??????? ?????????Cisco????? ??????? ?????12x 1 Gbps??? ???? uplinkSFP???? ?????? ?????Layer 3??? ?????? ?????Core, Distribution???? ???????????????? ?? PoENo?????? ???? ???????????? ???16 MB????? RAM ?????128 MB?????? ??? ????? (??? ?? ?????)32 Gbps??? ????? (???? ?? ?????? ???? 64 ?????)13.1 mpps?????? ????? VLAN ??? ????? ???4000?????? ????? VLAN ??? ????1005?????? ??????? MAC12,000???? ????? ?????????? ???? ????120W?????? ???? PoE4.6???? ?????????? ??? ?? ?????5.5 kg?????4.4 x 44.5 x 32.6 cm:Cisco Switch WS-C3750G-12S-E- ????? ?????????? Switch WS-C3750G-12S-E: ?? ?? ????????? ???? ??? Ethernet 12x 1 Gbps???? ?????? ????? Layer 3??????? ????? ????? ????? Cisco WS-C3750G-12S-E . ??????? ?????????Cisco????? ??????? ?????12x 1 Gbps???? ?????? ?????Layer 3??? ?????? ?????Access, Distribution???? ???????????????? ?? PoENo?????? ???? ???????????? ???16 MB????? RAM ?????128 MB?????? ??? ????? (??? ?? ?????)32Gbps??? ????? (???? ?? ?????? ???? 64 ?????)17.8 Mpps?????? ????? VLAN ??? ????? ???4096?????? ????? VLAN ??? ????1024?????? ??????? MAC12000???? ????? ?????????? ???? ????100-240 VAC???? ?????????? ??? ?? ?????4.6 Kg?????4.4 x 44.5 x 32.6 cm:Cisco Switch WS-C3750G-24TS-E - ????? ?????????? Switch WS-C3750G-24TS-E: ?? ?? ????????? ???? ??? Ethernet 24x 1 Gbps???? ??? Uplink 4x 1 Gbps SFP???? ?????? ????? Layer 3??????? ????? ????? ????? Cisco WS-C3750G-24TS-E . ??????? ?????????Cisco????? ??????? ?????24x 1 Gbps????? ??????? uplink4x 1 Gbps??? ???? uplinkSFP???? ?????? ?????Layer 3??? ?????? ?????Access, Distribution???? ???????????????? ?? PoENo?????? ???? ???????????? ???32 MB????? RAM ?????128 MB?????? ??? ????? (??? ?? ?????)32Gbps??? ????? (???? ?? ?????? ???? 64 ?????)38.7 Mpps?????? ????? VLAN ??? ????? ???4096?????? ????? VLAN ??? ????1024?????? ??????? MAC12000???? ????? ?????????? ???? ????100-240 VAC???? ?????????? ??? ?? ?????5.7 Kg?????6.6 x 44.5 x 29.5 cm:Cisco Switch WS-C3750-48TS-E-????? ?????????? Switch WS-C3750-48TS-E: ?? ?? ????????? ???? ??? Ethernet 48x 100 Mbps???? ??? Uplink 4x 1 Gbps SFP???? ?????? ????? Layer 3??????? ????? ????? ????? Cisco WS-C3750-48TS-E . ??????? ?????????Cisco????? ??????? ?????48x 100 Mbps????? ??????? uplink4x 1 Gbps??? ???? uplinkSFP???? ?????? ?????Layer 3??? ?????? ?????Access, Distribution???? ???????????????? ?? PoENo?????? ???? ???????????? ???16 MB????? RAM ?????128 MB?????? ??? ????? (??? ?? ?????)32Gbps??? ????? (???? ?? ?????? ???? 64 ?????)13.1 Mpps?????? ????? VLAN ??? ????? ???4096?????? ????? VLAN ??? ????1024?????? ??????? MAC12000???? ????? ?????????? ???? ????100-240 VAC???? ?????????? ??? ?? ?????4.1 Kg?????4.4 x 44.5 x 30 cm:Cisco WS-C3750-24PS-S - ????? 3750 PoE ?????????? ???? ?? ????? ?? ??????? 10/100 ? ?? ???????? ?? PoE. ????? ???? ???????? ? ???????? ?? ?? ?????? ?? ????????? ???? ?????????.:WS-C3750-24PS-S ????? ?? ?? ????????? ???? ??? Ethernet 24x 100 Mbps???? ??? Uplink 2x 1 Gbps SFP???????? ?? PoE 370W???? ?????? ???? Layer 3??????? ????? ????? ???? PoE???? ????? WS-C3750-24PS-S??? Cisco Catalyst 3750 ???? ????????? ??????? ????? ??? ???. ????? ???? ??? ????? ?????? ????? ?? ???? ????? ??? ????? (stacking) ?? ????. ?? ???? ???? ????? ??? 3750 ????? ?? ?? ????? ?? ????? ??????? ???? ??? ??????. ???? ?????? ???? ??? ????? ?? ????????? ???? ????? ????? ???? ???? ???? ????. ??????? ???? ????? ????? ??? ????? ?? ??????? ????? ????? ???? ?? ???? ?? ???. ???? ??????? WS-C3750-24PS-S 24 ???? 10/100 ????? (10BASE-T ? 100BASE-T) ???????? ?? ???? ?? ??? ???? (PoE) ?? ??? ?? 24 ???? ??????. ?? ?? ??? Cisco inline power ? IEEE 802.3af ???????? ??????. ?? ???? Uplink ?? ???? SFP (???? ???? ?? ?????). ???? ?????? (performance ) ????? WS-C3750-24PS-S ???? ?????? ???? ????? ????: 32 Gbps ??? ????? ???? ??? ????? ???? ???? (Stack-forwarding): 38.7 mpps ??? ??????? ???? ???? ??? ????: 6.5 mpps ?????? 370 ??? ???? PoE ????? RAM: 128 ??? ???? ????? ???: 16 ??? ???? ?????? ????? ??????? MAC: 12 ???? ???? ????? ????? ??? 3750 ?????3750 ?? ??? ????? ?? ????? IOS ????? ?? ???????? ?????: ??? IP Base ? ??? IP Services. ?? ???? ?? ??? ?? ???? ?? ????? ???? ????? ?? ??? ????????? ????? ?? ?? ??? ???? ???? ??? ???. ????? ??? IP Base ?? ?? ????? ????? WS-C3750-24PS-S ????? ????? ????????? ????? ????? ????? ?? ???? ?? ?? (QoS)? ????? ???? ?????? ??????? ? ???? ??????? ?? ???????? ?????. ???? ??????? ????? ?? ????????? ???? ?? ???? ???? ????.???? ???? ????? 3750 ??????????? ???? ???? ??????? ??? ?? ???????? ????? ??????? ??????? ????? ???. ?? ???? StackWise ???????? ????? ????? WS-C3750-24PS-S (?? ?????? ?? ?? ??? ???? ?? ??? 3750) ?? ?? ???? ?? ????? ?? ?????. ??? 3750E ??? ??????? ?? ????? ????? ??? ???? ??? ???? ????? ?? ???? Uplink 10 ??????? ?? ?? ???? ????? ???. ?? ??? ????? ??? ????? ?? ???? ?? ?????? ???? ? ????? ??????? ???? ?????? ??.???? ???? 3750 ???? ??????? ???? ??????? ???? ???? ????? ?? ???????? ?? ????? ?????? ????? ??????? ???? ?? ?????? ?? ?????? ?? ??????? 10/100/1000 ???? ?????. ?? ??????? ?? ?????? StackWise ???? ????? ????? WS-C3750-24PS-S ?? ???? ??????? ?? ????? ?? ???? ??????? (????? ???????? ??? 4500) ??????? ???. ??? ?????? ??????? ???? ???????? 3750 ??????? ????? ?? ???????? ??? 4500 ? ?? 6500 ????. ?? ????? ??? ??????? ???? ?????????? ????? ???? ???? ? ??????? ?? ????? ???? ?? ????? supervisor ????. ??? ??? ???? ?? ??? ?????? ?????? ?? ????? ???? ?????. ???????? ???? ?????? ??????? ????? ???? ?? ?? ???? ????????? ??????? ???. ??? ???? ???????? WS-C3750-24PS-S ?? ?????? ????? ???????? ?? ?????? ??????? ???? ? ?? ???? ?? ??? ?????? ?? ?????? ?????? ???? ??????? ????? ??.WS-C3750E-24PD-S ?? ?????? ???? ???? ???? ??? ????????? ??? ????? ???? ?????? ?????? ???? ?????? ? ???? ????? ??????. ????? WS-C3750-24PS-S ?? ????? ???? ?? ??????? 3750 ?? ????????? ???? ???? ??????? ?? ???? ??? ????? ???????? ???. ?????? ????? (efficiency) ????? WS-C3750-24PS-S ???? ??????? ????? ?? ?? ???? ????? ??? (multicast) ????? ?????? ?? ???? ??? ??? ?? ???? ????? ??? ???? ?? ??? ?? ??? ???????? backbone ????? ???? ??????. ???????? ???? ???????? ???? ?????? ?????.????? ????? ????? (QoS) ?? ??????? ??? ?????????? ????? ????? ???? ???? ??? ??????? ?? ????? ???? ???????? ??? (??????? ???? ????????? ???). ??? ???? ?? ???? ???? ???????? ?? ???????? ????? ?? ???? ???????? VoIP ? ????? ??????? ????? ????. ?? ???? ?????? ? ???? IP ???? ???????????? ???? ????? ????? ???? ????? ????. ???? ?? ??? ??????? ?? ??????? ??????? ????? ???? ???? ??? ????? ???? ???? ???? ???? ? ?? ????? ?????? ???? ???? ????? (scheduling) . ???? ??????? ????? ?? ??????? ???? ????? ????? ???? ???? ??????!??? ????? ?? WS-C3750-24PS-S????? WS-C3750-24PS-S ???? ???? ? ?????? ?? ??????? ?????? ?? ???????? ?????. ???? ?? ???????? ?????? ??? ????? ????? ??????? ?? ACL? ??????? ???????? ????? ?????? ?? ???? ???? ???? ???????? ? ????? ?????? ?? ????? ?? ???? ??????? IEEE 802.1x. ?? ???????? ??? ????? ??????? ???? ?????? ????? man-in-the-middle ?? ?????. ??? ?? ?????? ???? ??? ????? ???? ????? ??? ??? ?????? ??? ???? ??????? ????? ????? ?? ???.???? WS-C3750-24PS-S ??? ??? ? ?? ?? ???????????? ????? ???? ??? ????? ?? ?? ??????? ????? ?? ????? ?? ???? ???????. ???? ??? ?? ?? ???????? ?? ???? ???? ?????? ????. ????? ???? ????? ?? ???? ?????? ???? ???? ???. ?? ????? ?? ???? ????? ????? ????? ?? ?? ???? ??????. ?????? ??? ???? ???? ??? ????? ???? ?? ?????? ?????? ???????? ?? ??? ???? ?????? ????.????? ??? ???? ??? ????? ?????:???? WS-C3750-24PS-S ???? ?????? ???? ?? ???? ?? ?????? ????? ????? ??????? ?????. ????? ??? ????? ??????? ???? ??? ?????? ???? ??? ????. ?? ??? ???? ??? ???????? ?? ???? ????? ??? 24 ? 48 ???? ???? ? ???? ???? ???? ????? ?????? ?? ?????? ????. ????????? ???? ?? ?????? ????? ????? ?????? ?? ??? ?????. ??????? ?????:???? Cisco????? ??????? ????? 24x 100 Mbps????? ??????? uplink 2x 1 Gbps??? ???? uplink SFP???? ?????? ????? Layer 3??? ?????? ????? Access ???? ????? ??? ???????? ?? PoE Cisco inline power, PoE (802.3af)?????? ???? ???? ???????? ??? 16 MB????? RAM ????? 128 MB?????? ??? ????? (??? ?? ?????) 32 Gbps??? ????? (???? ?? ?????? ???? 64 ?????) 6.5 mpps?????? ????? VLAN ??? ????? ??? 4000?????? ????? VLAN ??? ???? 4000?????? ??????? MAC 1005???? ????? ??? ??????? ???? ???? 540W?????? ???? PoE 370W???? ?????? ???? ??? ?? ????? 5.1 kg????? 4.4 x 44.5 x 30 cm:Cisco WS-C3750-48PS-S - ????? 3750 PoE ?????????? ????? ?? ????? ??????? ???? (48 ????) ???? ????????? ???????. ??? ????? ??????? ???? ????? ???? ???? ??? ????? ????? ????? ??? ???? ????? ????? ???? PoE ???? ??????? VoIP ????? ?????.1 ??? ? ????? WS-C3750-48PS-S: ????? ?? ?? ????????? ???? ??? Ethernet 48x 100 Mbps???? ??? Uplink 4x 1 Gbps SFP???????? ?? PoE 370W???? ?????? ????? Layer 3??????? ????? ????? ???? PoE ????? ????? WS-C3750-48PS-S??? Cisco Catalyst 3750 ???? ????????? ??????? ????? ??? ???. ??? ????? 48 ???? PoE ????? ????? ?? ???? ?????????? ????? ????? ???? ??????? VoIP ????? ????? ???. ????? ???? ??? ????? ?????? ????? ?? ???? ????? ??? ????? (stacking) ?? ????. ?? ???? ???? ????? ??? 3750 ????? ?? ?? ????? ?? ????? ??????? ???? ??? ??????. ?????? ??? ???? ??? ???? ??? ?? ???? ?? ???? 32 Gbps ???. ???? ???? ??? ?????? ???? ??? ?????? ??????? ????? ? ?????? ???? ?????? ???. ???? ??????? WS-C3750-48PS-S48 ???? 10/100 ????? (10BASE-T ? 100BASE-T) ???????? ?? ???? ?? ??? ???? (PoE) ?? ??? ?? 48 ???? ??????. ?? ?? ??? Cisco inline power ? IEEE 802.3af ???????? ??????. ???? ???? Uplink ?? ???? SFP (???? ???? ?? ?????). ???? ?????? (performance ) ????? WS-C3750-48PS-S???? ?????? ???? ????? ????: 32 Gbps ??? ????? ???? ??? ????? ???? ???? (Stack-forwarding): 38.7 mpps ??? ??????? ???? ???? ??? ????: 13.1 mpps ?????? 370 ??? ???? PoE ????? RAM: 128 ??? ???? ????? ???: 16 ??? ???? ?????? ????? ??????? MAC: 12 ???? ???? ???????? IP ?? ??? WS-C3750-48PS-S3750 ?? ??? ????? ?? ????? IOS ????? ?? ???????? ?????: ??? IP Base ? ??? IP Services. ?? ???? ?? ??? ?? ???? ?? ????? ???? ????? ?? ??? ????????? ????? ?? ?? ??? ???? ???? ??? ???. ??? IP Base ?? ?? ????? ????? WS-C3750-48PS-S ????? ????? ????????? ????? ????? ????? ?? ???? ?? ?? (QoS)? ????? ???? ?????? ???????? ????? ?????? ??????? ?? ???? ACL? ???????? static ? ?????? ??? ???????? ????? RIP ? EIGRP ?? ???????? ?????. ????? ???? ?? ?? ??? ????? ????? ?? ?? ???? ??? ????? ???? ?????. ?? ????????? ???? ?? ???? ??????! ?????? Cisco StackWise: ?? ?????? StackWise ?????? 9 ????? WS-C3750-48PS-S ????? ?? ?????? ????? ???. ?????? ??? 9 ????? ?? ???? ?? ????? ???? ?????? ??????. ??? ?? ????? ?? ?? ????? ????? ???? (Master) ?????? ?????. ???? ???? ?? ???? ???????? ???? ???????? (switching table) ? ???? ???????? ???? ????? ?? ?? ?? ??? ????? ? ??????? ???? ??????? ?????. ???? ???? ???? ????? ??? 3750 ??????????? ???? ???? ???? ???? ????? WS-C3750-48PS-S ??? ??? ?? ?? ????? ??? ???? ?? ?????? ?? ??? ?????? ????? ??? ? ?? ???????? ????? ?? ??? ??? ???? ???? ????? ?? ?????? ???? ????? ?? ?? ???? ???. ??? ?????? ?? ???????? plug and play ?? ??????. ???? ?????? ?? ?????? ????? ?????? ????? ???? ??? ????? IOS ???? ?? ?? ??? ?? ???? ????? ? ??????? ???? (global) ?? ?? ????? ???? ????? ?????. ?????? ????? ???? ??? ???????? ?? ??? ??????. ?? ??? ????? ???? ????? ??? ???? ????? ?? ?? ???? ????? ?? ??????? ?????? ???. ???? ????? ???? ???? ?????? 10 ??????? ?? ???? ???????? ?? ?? ??? ????? 3750E (????? ??? WS-C3750E-48PD-S) ?? ???? ????? ????. ?? ????? 3750E ?? ???? 10 Gbps ?? ???? ????? ????? ???. WS-C3750E-48PD-S ?? ?????? ???? ???? ???? ??? ????????? ??? ????? ???? ?????? ?????? ???? ?????? ? ???? ????? ??????. ????? WS-C3750-48PS-S ?? ????? ???? ?? ??????? 3750 ?? ????????? ???? ???? ??????? ?? ???? ??? ????? ???????? ???. ?????? ????? (efficiency) ????? WS-C3750-48PS-S ???? ??????? ????? ?? ?? ???? ????? ??? (multicast) ????? ?????? ?? ???? ??? ??? ?? ???? ????? ??? ???? ?? ??? ?? ??? ???????? backbone ????? ???? ??????. ???????? ???? ???????? ???? ?????? ?????. ????? ????? ????? (QoS)????? ????? ?? ?????? ?? ???? ?? (?? ???? ??????? ?????) ? ?? ???? 3 ????? ???? ???. ????? WS-C3750-48PS-S ?? ????? ?? ????? ???? 3 ?? ???????? ???? ?? ? ?? ??????? ???? 3 ?? ????? ?? ????. ?? ???? 3 ??? ?????? ? ???????? ?????? ???? ????? ???? ????? ????? ?????? ????. ???? ??? ????? ???? ????????? VoIP ????? ????? ?????. ???? ???? ???? ??? ??? ??? ????? ??? ???????? ?? ?? ???? ?????? ?? ?? ???? ???? ??? ????? ????? ???? ?????. ??? ????? ?? WS-C3750-48PS-S????? WS-C3750-48PS-S ???? ???? ? ?????? ?? ??????? ?????? ?? ???????? ?????. ???? ?? ???????? ?????? ??? ????? ????? ??????? ?? ACL? ??????? ???????? ????? ?????? ?? ???? ???? ???? ???????? ? ????? ?????? ?? ????? ?? ???? ??????? IEEE 802.1x. ?? ???????? ??? ????? ??????? ???? ?????? ????? man-in-the-middle ?? ?????. ???? WS-C3750-48PS-S ?? ????? (??? ??? ? ???????)??????? ????? ???? ??? ????? ?? ?? ??????? ????? ?? ????? ?? ???? ??????? (??? ??? ? ??). ???? ??? ?? ?? ???????? ?? ???? ???? ?????? ????. ????? ???? ????? ?? ???? ?????? ???? ???? ???. ?? ????? ?? ???? ????? ????? ????? ?? ?? ???? ??????. ?????? ??? ???? ???? ??? ????? ???? ?? ?????? ?????? ???????? ?? ??? ???? ?????? ????. ????? ??? ???? ??? ????? ?????:???? WS-C3750-48PS-S ???? ?????? ???? ?? ???? ?? ?????? ????? ????? ??????? ?????. ????? ??? ????? ??????? ???? ??? ?????? ???? ??? ????. ?? ??? ???? ??? ???????? ?? ???? ????? ??? 24 ? 48 ???? ???? ? ???? ???? ???? ????? ?????? ?? ?????? ????. ??????? ?????????Cisco????? ??????? ?????48x 100 Mbps????? ??????? uplink4x 1 Gbps??? ???? uplinkSFP???? ?????? ?????Layer 3??? ?????? ?????Access???? ???????????????? ?? PoECisco inline power, PoE (802.3af)?????? ???? ???????????? ???16 MB????? RAM ?????128 MB?????? ??? ????? (??? ?? ?????)32 Gbps??? ????? (???? ?? ?????? ???? 64 ?????)13.1 mpps?????? ????? VLAN ??? ????? ???4000?????? ????? VLAN ??? ????4000 ?????? ??????? MAC1005???? ????? ?????????? ???? ????540W?????? ???? PoE370W???? ?????????? ??? ?? ?????6.1 kg?????4.4 x 44.5 x 30 cm:Cisco WS-C3750E-24PD-S - ????? ????? 3750E????? 3750E ?? ?? ???? ?????? 10 ??????? ?? ?????.3750E ?? 24 ???? PoE: ?? ?? ????????? ???? ??? Ethernet 24x 1 Gbps???? ??? Uplink 2x 10 Gbps SFP???????? ?? PoE 750W???? ?????? ????? Layer 3??????? ????? WS-C3750E-24PD-S ????? ????? ????? 3750E ????? ?????? ????? ??? ? ??? ???????? ???. ????? ???? ??? ????? ????? ?? ???? 10 ??????? Uplink ???. ?????? ?? ????? ??? ????? ??? ?????? ?? ?????. ?? ??????? ???? 10 ??????? ?????? ?? ??? ?????? ?????? ?? ??? ???????? ?? ??????? ???? ????? ???? ??????? ??????? ???. ??? ????? ??????? ????? ?? ??????? ???? ?? ??????? ??????? ???? ????? ????? ????. ??????? ?????????Cisco????? ??????? ?????24x 1 Gbps????? ??????? uplink2x 10 Gbps??? ???? uplinkSFP???? ?????? ?????Layer 3??? ?????? ?????Core, Distribution???? ???????????????? ?? PoECisco inline power, PoE (802.3af), PoE+(802.3at)?????? ???? ???????????? ???16 MB????? RAM ?????128 MB?????? ??? ????? (??? ?? ?????)64 Gbps??? ????? (???? ?? ?????? ???? 64 ?????)65.5 mpps???? ????? ???????????? ???? PoE750W???? ?????????? ??? ?? ?????8.3 kg?????44.5×445×460 mm:Cisco Switch WS-C3750G-24TS-S - ????? ????? 3750G????? 3750G ????? ?? 24 ???? ??????? ?????. ????? ????????? ??????? ? ??????? ?? Backbone ????Cisco WS-C3750G-24TS-S: ?? ?? ????????? ???? ??? Ethernet 24x 1 Gbps???? ??? Uplink 4x 1 Gbps SFP???? ?????? ????? Layer 3??????? ????? WS-C3750G-24TS-S ????? ????? ????? 3750G ?????3750G ??????? ????? ????? ??? ?? ??? ?? ???? ????????? Backbone ??????? ?????. ???? ???? ???? ???? ???? ????? ?? ?? ??????. ?? ??? ???? ?? ??? ????? ???? ???? ???. ???? ???? 3750G ?????? ???? ??? ???. ?? ??? ????? ??? ?? ????? ??????? ??????? ?????? ???? ? ???? ?????? ????? ???? ??????? ???. ??????? ?????????Cisco????? ??????? ?????24x 1 Gbps????? ??????? uplink4x 1 Gbps??? ???? uplinkSFP???? ?????? ?????Layer 3??? ?????? ?????Access, Distribution???? ???????????????? ?? PoENo?????? ???? ???????????? ???32 MB????? RAM ?????128 MB?????? ??? ????? (??? ?? ?????)32 Gbps??? ????? (???? ?? ?????? ???? 64 ?????)38.7 mpps?????? ????? VLAN ??? ????? ???4000?????? ????? VLAN ??? ????1005?????? ??????? MAC12,000???? ????? ?????????? ???? ????190W???? ?????????? ??? ?? ?????5.7 kg?????6.6 x 44.5 x 29.5 cm:Cisco Switch WS-C3560-48TS-S - ????? ???? 3 ?????????? 48 ???? ????? ?? ?????? ?????? ?? ???? 3. ??? ????? ??? ?? ????? ?? ???? ???? ????? ???? 3 ????? ?? ????? 48 ???? ???.1 ??? ? ????? Cisco WS-C3560-48TS-S: ?? ?? ????????? ???? ??? Ethernet 48x 100 Mbps???? ??? Uplink 4x 1 Gbps SFP???? ?????? ????? Layer 3??????? ????? ????? 3560 ????? 48 ???? ??? ??????3560 ????? ????? 48 ???? 10/100 ???. ?????? ?????? ?? ???? ?? ? ?????? ???? ???? ??? ????? (????? ?? ?????? ?? ????? 3550 ) ?? ?????? ??? ????? ????? ?????. ?????? ???? ?? ???? ?? ????? ??? ???? 3 Cisco 3750 ????? ???. ???? ??? ????? ????? ???????? ??? ?? ???? ?? ?????? ??????? ???? ? ????? ??? ???? ?? ???? ?????. ????? ???? ?????? ???? ??????3560 ????? ?? ????? ?? ????? ?????. ????? ??????? ????? ????? 3560:??????? ????? (??????? ?????? ??????????): 48 ???? ????? ?? ???? 10/100 ??????? uplink: ???? ???? ??????? ???? ????? ???? ?? ???? ?? ??? ?????? SFP ????? (???? ????) ???? ?????? (performance) ????? Cisco WS-C3560-48TS-S????? 3560 ?? ??? performance ????? ????? 3750 ????? ???. ?????? ?????: ????? ???? ??????? ???? ????: 32 Gbps ????? ???: 32 ??????? (?? ?????? ?? 16 ??????? ??? ??? PoE ???). ????? RAM: 128 ?????????????3560 ????? ? ?????? ??? ?? ???? ?? ????? ????? 3560 ????? ???? ????? ??? ??? 3560 ????? ?? ????? ???? 3 ???. ?????? ??? ?? ???? 3 ???? ????? ???? ???????? ????? ???????? ??????? ??? VLAN ?? ?????. ??? ???????? ?? ????? ??????? ?????? ?????? ??? VLAN ?? ?? ????? ????. ?? ??? ????? ????? ?? ?? ???? ????? ??????? ????. ???? ??? ????? ???????? ??????3560 ?????????? ???? ??????? Cisco 3560? ????? ????? ????? ????? 3560 ????? ??????? ??????? ???? uplink ???. ??? ?????? ?? ???? SFP ????? ? ???????? ?? ??????? ?? ???? ???????? ???? ?? ???? 000BASE-SX, 1000BASE-LX/LH, 1000BASE-ZX, 1000BASE-T ????? ?????. ????? ?? ?????? ???????? ??? ?????? ???????? ?? ?? ???? 3560 SFP Interconnect ???? ????? ?? ???? ????? ??? 3560 ??????? ????. ????? ??? ???? ???? ????? ????? 3560?????? ??? 3560 ???? ????????? ???? ?? ?? ???? ?? ????? ??? ???? ?? ??? (???? inter-VLAN routing) ????? ?????. ??????? ???? Cisco WS-C3560-48TS-S ???? ?????????? ????? ????? ?? ??? ?? 24 ???? ???? ????? ?????. ????? ?? ???? ?? ???? ???? ???????? ???? Cisco WS-C3560-48TS-S ????? ???????? ??? ?? ????? ?? ?????? ??? ????? 3750 ??????. . ??????? ?????????Cisco????? ??????? ?????48x 100 Mbps????? ??????? uplink4x 1 Gbps??? ???? uplinkSFP???? ?????? ?????Layer 3??? ?????? ?????Access, Distribution???? ???????????????? ?? PoENo?????? ???? ???????????? ???32 MB????? RAM ?????128 MB?????? ??? ????? (??? ?? ?????)32 Gbps??? ????? (???? ?? ?????? ???? 64 ?????)13.1 mpps?????? ????? VLAN ??? ????? ???4000?????? ????? VLAN ??? ????4000?????? ??????? MAC1005???? ????? ?????????? ???? ????65W???? ?????????? ??? ?? ?????6.4 kg?????4.4 x 44.5 x 40.9 cm:Cisco WS-C3750-48TS-S - ????? 3750 ?????????? ????? 3750 ?? 48 ???? ???? ???? ????????? ???????. ??? ????? ???? 3 ??? ? ???? ????? ???? VLAN ????? ???.1 ??? ? ????? WS-C3750-48TS-S: ????? ?? ?? ????????? ???? ??? Ethernet 48x 100 Mbps???? ??? Uplink 4x 1 Gbps SFP???? ?????? ????? Layer 3??????? ????? ????? 3750 ?? 48 ???? ????? ????? WS-C3750-48TS-S??? Cisco Catalyst 3750 ???? ????????? ??????? ????? ??? ???. ??? ????? ????? 48 ???? ????? 10/100 ??? ? ???? ???????? ???? ????? ??? ????? ?? ???? ????? ???. ?????? Cisco StackWise: ?? ?????? StackWise ?????? 9 ????? WS-C3750-48TS-S ????? ?? ?????? ????? ???. ?????? ??? 9 ????? ?? ???? ?? ????? ???? ?????? ??????. ??? ?? ????? ?? ?? ????? ????? ???? (Master) ?????? ?????. ???? ???? ?? ???? ???????? ???? ???????? (switching table) ? ???? ???????? ???? ????? ?? ?? ?? ??? ????? ? ??????? ???? ??????? ?????. ???????? ?????????Cisco????? ??????? ?????48x 100 Mbps????? ??????? uplink4x 1 Gbps??? ???? uplinkSFP???? ?????? ?????Layer 3??? ?????? ?????Access???? ???????????????? ?? PoENo?????? ???? ???????????? ???16 MB????? RAM ?????128 MB?????? ??? ????? (??? ?? ?????)32 Gbps??? ????? (???? ?? ?????? ???? 64 ?????)13.1 mpps?????? ????? VLAN ??? ????? ???4000?????? ????? VLAN ??? ????4000 ?????? ??????? MAC1005???? ????? ?????????? ???? ????75W???? ?????????? ??? ?? ?????6.4 kg?????4.4 x 44.5 x 40.9 cm:Cisco Switch WS-C3750G-24TS-S1U - ????? ????? 3750G?????? ???? ??? Cisco WS-C3750G-24T-S ??? ?? ??? ????? ?? ??? ??? ?????? ?? ?????? ??? ? ?? ??? ?? ? ??? ???? ?? ??? ?? ???? ?? ????? ?????. ?????? ???? ????? ?? ???? ?? ??? Cisco WS-C3750G-24T-S ???? ?????. ????? ?? ??? ??? 1U ?? ?????? ??????? ??????? ???????? ???.3750GCisco WS-C3750G-24TS-S: ?? ?? ????????? ???? ??? Ethernet 24x 1 Gbps???? ??? Uplink 4x 1 Gbps SFP???? ?????? ????? Layer 3??????? ????? WS-C3750G-24TS-S ????? ????? ????? 3750G ?????3750G ??????? ????? ????? ??? ?? ??? ?? ???? ????????? Backbone ??????? ?????. ???? ???? ???? ???? ???? ????? ?? ?? ??????. ?? ??? ???? ?? ??? ????? ???? ???? ???. ???? ???? 3750G ?????? ???? ??? ???. ?? ??? ????? ??? ?? ????? ??????? ??????? ?????? ???? ? ???? ?????? ????? ???? ??????? ???.?????? ??? 3750G ????: ??? 1U ?? ?????? ??????? ??????? ???????? ???. ????? ???? fail ??? ??? 1U ????? ?? 221 ???? ???? ??? ?? ?????? ?? 188 ???? ???? ?? ??? ???????? ?????? ??? ??? ????? ?? ?? ????? ???? ???? ???. ?? ????? ?? ???? ??? ????? ????? ?? ???? ???? ???? ????. ??????? ?????????Cisco????? ??????? ?????24x 1 Gbps????? ??????? uplink4x 1 Gbps??? ???? uplinkSFP???? ?????? ?????Layer 3??? ?????? ?????Access, Distribution???? ???????????????? ?? PoENo?????? ???? ???????????? ???32 MB????? RAM ?????128 MB?????? ??? ????? (??? ?? ?????)32 Gbps??? ????? (???? ?? ?????? ???? 64 ?????)38.7 mpps?????? ????? VLAN ??? ????? ???4000?????? ????? VLAN ??? ????1005?????? ??????? MAC12,000???? ????? ?????????? ???? ????100W???? ?????????? ??? ?? ?????5.5 kg?????4.4 x 44.5 x 37.8 cm:Cisco Switch WS-C3750G-24TS-E1U - ????? ?????????? Switch WS-C3750G-24TS-E1U: ?? ?? ????????? ???? ??? Ethernet 24x 1 Gbps???? ??? Uplink 4x 1 Gbps SFP???????? ?? PoE Watt???? ?????? ????? Layer 3??????? ????? ????? ????? Cisco WS-C3750G-24TS-E1U . ??????? ?????????Cisco????? ??????? ?????24x 1 Gbps????? ??????? uplink4x 1 Gbps??? ???? uplinkSFP???? ?????? ?????Layer 3??? ?????? ?????Access, Distribution???? ???????????????? ?? PoENo?????? ???? ???????????? ???32 MB????? RAM ?????128 MB?????? ??? ????? (??? ?? ?????)32Gbps??? ????? (???? ?? ?????? ???? 64 ?????)38.7 Mpps?????? ????? VLAN ??? ????? ???4096?????? ????? VLAN ??? ????1024?????? ??????? MAC12000???? ????? ?????????? ???? ????100-240 VAC Watt?????? ???? PoEWatt???? ?????????? ??? ?? ?????5.5 kg?????4.4 x 44.5 x 37.8 cm:Cisco Switch WS-C3750G-24T-S - ????? ?????????? Switch WS-C3750G-24T-S: ?? ?? ????????? ???? ??? Ethernet 24x 1 Gbps???? ?????? ????? Layer 3??????? ????? ????? ????? Cisco WS-C3750G-24T-S . ??????? ?????????Cisco????? ??????? ?????24x 1 Gbps???? ?????? ?????Layer 3??? ?????? ?????Access, Distribution???? ???????????????? ?? PoENo?????? ???? ???????????? ???16 MB????? RAM ?????128 MB?????? ??? ????? (??? ?? ?????)32Gbps??? ????? (???? ?? ?????? ???? 64 ?????)37.5 Mpps?????? ????? VLAN ??? ????? ???4096?????? ????? VLAN ??? ????1024?????? ??????? MAC12000???? ????? ?????????? ???? ????100-240 VAC???? ?????????? ??? ?? ?????4.6 Kg?????4.4 x 44.5 x 32.6 cm:Cisco Switch WS-C3750G-24T-E - ????? ?????????? Switch WS-C3750G-24T-E: ?? ?? ????????? ???? ??? Ethernet 24x 1 Gbps???? ?????? ????? Layer 3??????? ????? ????? ????? Cisco WS-C3750G-24T-E ??????? ?????????Cisco????? ??????? ?????24x 1 Gbps???? ?????? ?????Layer 3??? ?????? ?????Access, Distribution???? ???????????????? ?? PoENo?????? ???? ???????????? ???16 MB????? RAM ?????128 MB?????? ??? ????? (??? ?? ?????)32Gbps??? ????? (???? ?? ?????? ???? 64 ?????)37.5 Mpps?????? ????? VLAN ??? ????? ???4096?????? ????? VLAN ??? ????1024?????? ??????? MAC12000???? ????? ?????????? ???? ????100-240 VAC???? ?????????? ??? ?? ?????4.6 Kg?????4.4 x 44.5 x 32.6 cm:Cisco WS-C4506 – ????? ????? ?? ????? PoE????? ??????? 4506 ?? ???????? PoE ??????? ?????? ???? ?????? ??? ????.????? 4506 ?? ??????: PoE ?? ?? ???????? ?????? ????? Layer 4+????? ?????wishlist ????? ?? ???? ???? ??? ???? compare ????? ?? ?????? question ???? ??????????? 4506 ?? ?????? PoE ?? ?? ????4506 ????? Operation layer ???? ?????? ?????Layer 4+??????? ????? Cisco 4506????? ??? ??? ??? ?????: ?? ??? ????? ????? 48 ???? PoE ?????? ?? ??? ????? ???????? ?? ??? ???? ????? ?? ????? ??????? 4506 ?????4506 ????? ?????? ???????. ??? ???????? ?? ???? ??????? ???? ????? ????? ??? ????? ?? ????? ????. ??? 4500 ????? ?? ??? ???????? ? ???? ??? ?????? (Campus) ????? ????? ???? ???. ????? ?? ????? ??? ??? ??????? ????? ???? ??? ????? ?? ????? ?????? ? ?? ???? ????????. ??? ?????? ??? ????? ???????? ? ???????? ????? ????. ????? ???? Cisco 4506 ?? ?? ???? ??? ??? ? ?? ????? ????? ?? 10% ??? 20% ???? ???? ???? ?? ???? ?????.????? ????? ?? ?? 4506 ?????Cisco 4506 ????? 6 ????? ???? ???? ????? ???????? ???? ???. ??????? ?? ?? ?? ????? ?? ????? ????????? ?????? ???? ????? ?? ?? ???? ???????? ???? ??? ???? ?? ????? ?????. ???? ???????? ???? ???????? ???? ???? (????? ????? WS-X4548-GB-RJ45V ?? ????? PoE ???) ?????? ???? ?????.Cisco 4506 ? ???????? ?? PoE????? WS-X4548-GB-RJ45V ?? ?????? ????? ???? 48 ???? ??????? ?? PoE ????? ?????. ?? ???????? ????? ????? WS-X4548-GB-RJ45V ????? 4506 ????? ????? ?? ?????? ????? ???? ???????? ?? ??????? ??? ?? ?????? ???? ?????. ???? ?????? ???? ????? ??? PoE ????? ????? ???? ?? ???? ????? ??? PoE ???? ????.???? ???? 4506 ?????Cisco 4506 ?? ???? ???? (????) ?? ???????? ?? ???. ?? ??? ????? ???????? ???? ???? ??? ?? backup ????? ????? ? ?????? ??????? ????? ?? ???? ?????.????? ??? ???? 4506 ???????????? Cisco 4506 ?? ????? ?????? ????? ??? ????? ????????? ???? ???. ??? ?? ???? ?? ????? ????? ???? ??? ????? ?? ?? ???? ??? ??? ? ?? ???????? ????? ????? 3750 ?? ???? ?????? ??????? ????? ?? ?? ???? 3750 ?????? ??? ???????? ??? ????? ?? ??????? ????. ???? ????? 4506 ??? ??? ????? ?? ?????????? ???? ????? ?????? ???? ?? ????? ??? ?????? ????? 4506 ?? ?? ???? ??? ??? ???? ????? ? ?? ??????? ????? ???? ?????. ????? ???? ????? ???? ???? ????? ?? ? ??????? ??? ??? ????? ???..??????? ????????? Cisco???? ?????? ????? Layer 4+??? ?????? ????? Core, Distribution???? ????? ??????????? ?? PoE Cisco inline power, PoE (802.3af)?????? ???? ???? ??? ???? ????? ??? ??? ???? ?????? ???? ??? ?? ????? 18.37 kg ?????44.13 x 43.97 x 31.70 cm????? ???? ??? ??????? ???? ??????? ???? ? Cisco ???????? ? ????????? ??? ?? ????. ??????? Cisco ??????" ?????? ? ????? ???? ???????? ???? ?????. ?? ????? ?? ???? Cisco ???? ??? ???? ?? ???? ?? ?? ????? ? ?????? ??? ?? ?? ??? ????. ??? ?? Cisco ???? ?? ????? ?? ??? ??? ?? ??????? ???? ???.?? ?? ????? ???? ?????? ?????? ??????? Cisco ??? ?? ???? ? ???? ???? ??????? Cisco ??? ????.????? ??? ??????? ?? ?????? ???? ??????? Cisco ??? ????? ???? ????. ???? ????? ???? ?? ??????? ? ?? ?? ?? ??????? Cisco ?? ?????? ?? ???? ?????? ??????.?????? ??????? ?? ??????? Cisco ?? ????? ??????? ?????? ??????? ?? ISP ?? ???? ???? ???? ?????? ????? ???. ????? ?? ??? ??????? Cisco ?? ?????? ?? ???????? ?????? ???? Firewall , Routing , VoIP , ... ???? ??????? ???? ?????.??????? Cisco ????? ?????? ?????? ???? ?? ???? ?? ???? ?? ?????? ??????? ?? :Cisco 2511?:??? ??? ????? 1 ????? Ethernet ?? ????.?? ???? ????? ?? Leased ????? ???? ????? Onboard ???.?? ??????? Ram ??4 ??? 8 ????????? ?? ???? ? ????? ?????? ?? ??? ??????.?? ????? Flash ??8 ??? 16 ??????? ???? ? ????? ????? ?? ?????? ?? ??? ??????.?? ????? ??? ???? ?? ?? ????? ???. ??? ?? ???? 2 ???? ????? ???? ????? ?? Leased ?? E1/T1 ?? ?? ????? ???.?? ???? Ethernet ?? 10 Mb/s ?? ????.Cisco 26XX?:?? ??? ??? ????? 1 ???? ?? 2 ???? Ethernet ?? ????.?? ?????? ????????? ???? Leased ?? ???? ????? WIC1T ?? WIC2T ???? ???.?? ????? Ram ?? ????? 16 ? ?????? 256 ??????? ?? ????.?? ????? Flash ?? ???????? 8 ? ????????? 128 ??????? ?? ????.?? ?????? 1 ????? ?? ???? ?? ?? ????? ???.?? ?????? 2 ???? WIC ?? ???? ?? ?? ????? ???.?? ???? Ethernet ?? 100/10 ??10 ?? ????.Cisco 36XX?:?? ??? ??? ????? 1 ???? ?? 2 ???? Ethernet ?? ????.?? ???? ????? ?? Leased ?? ?? ?? ????? NM-1FE2W ? ???? ????? WIC1T ?? WIC2T ???? ????? ??????? Ram ?? 32 ???? ?????? ? ??????? ???????? ?? ??? ??????.?? ????? Flash ?? 8 ???? ? ????? ????? ?? ?????? ?? ??? ??????.?? ?????? 6 ????? ?? ???? ?? ?? ????? ???.?? ???? Ethernet ?? 100 ?? ????.Cisco 5300?:?? ??? ??? Router ????? ? ??? Access Server ?? ????.?? ????? 2 ???? Ethernet ???. ??? ?? ???? 10 ? ????? ?? ???? 100 ???.?? ?? Leased ??? ???? ?? ?? ????? ???.?? ????? Ram ?? 64 ?? ???? ? ????? ?????? ?? ??? ??????.?? ????? Flash ?? 16 ???? ? ????? ????? ?? ?????? ?? ??? ??????.?? ?????? 3 ????? ?? ???? ?? ?? ????? ???.?? ?????? 4 ?? E1 ?? ???? ?? ?? ????? ???. (???? 120 ?? VoIP ??????)Cisco 5350?:?? ??? ??? ????? 2 ???? Ethernet ?? ???? 10/100 ?? ????.?? ?????? 7 ?? E1 ?? ???? ?? ?? ????? ???.?? ????? ?? ????? ???? Onboard ??? ?? ?? ?? ?? ???? ???? ????? ?? Leased ??????? ???.?? ????? Ram ?? 128 ??????? ?? ???? ? ????? ?????? ?? ??? ??????.?? ????? Flash ?? 32 ??????? ???? ? ????? ????? ?? ?????? ?? ??? ??????.?? ?????? 3 ????? ?? ???? ?? ?? ????? ???.?? ?????? 7 ?? E1 ?? ???? ?? ?? ????? ???.Cisco 1750?:?? ??? ??? ????? 1 ????? Ethernet ?? ????.?? ?? ??? ??? ?? ???? 2 ???? WAN ????? ???.?? ???? ??????? ?? ??? ?? ????? Voice Gateway ???.?? ???? ????? ?? Leased ?? ?? ???? ????? WIC ?? ?? ????? ???.?? ????? Ram ??16 ??????? ?? ???? ? ????? ?????? ?? ??? ??????.?? ????? Flash ?? 4 ??????? ???? ? ????? ????? ?? ?????? ?? ??? ??????.?? ?? ??????? ?? ??????? VIC-2FXO ?? ???? ?? ?????? 4 ?? ?? ????? VoIP ??????? ???.?? ????? ??? ???? ?? ?? ????? ???.?? ???? Ethernet ??10/100 ?? ????.Cisco Vg200?:?? ??? ??? ????? 1 ????? Ethernet ?? ????.?? ???? ??????? ?? ??? ?? ????? Voice Gateway ???.?? ????? ?? Leased ?? ?? ???? ????.?? ????? Ram ??16??????? ?? ???? ? ????? ?????? ?? ??? ??????.?? ????? Flash ?? 4??????? ???? ? ????? ????? ?? ?????? ?? ??? ??????.?? ?????? 1 ????? ?? ???? ?? ?? ????? ???.?? ???? Ethernet ?? 100/10 ?? ????.???????? ?? ???? ?? ??????? Cisco ???? ?? ???? ?????? ?????? ?????? ????? ?????? ????? ? ????? ??? ?????? ?? ???? ?? ??? ???? ??? ??? ? ?? ???????? ????? ?? ???? ??????? ????. ?? ???? ????? ????????? ?? ?? ???? ?? ??? ??????? Cisco ??? ??? ?? ???? ?? ????? ??? ????? ??? :NM16AM?: ????? Data ???? 16 ?? ???? ?? ????? 16 ???? Internal ?? ???? 56Kb/s ?? ????.NM32A?: ????? Data ???? 32 ?? ???? ???? ???? Internal ?? ????. ??? ?? ??? ????? ??????? ??? ???? 32 ???? External ?? ???? ??? ???.NM16A?: ????? Data ???? 16 ?? ???? ???? ???? Internal ?? ????. ??? ?? ??? ????? ??????? ??? ???? 16 ???? External ?? ???? ??? ???.NM-HDV-2E1?: ?????? ??? ????? 2 ?? E1 ?? ?? ???? ?? ???? ???? ???.????? ???? ????? ??? 200???? ????? ??????? ????? ?? ???? ?????? ???? VPN ? NAS ?????????? ????? ?? ???? ??????????? ???? ????? ???. ??????? ????????? ?????? ??? 200 ??? ????? ???????? ?? 24 ? 48 ????? ?????10/100 ??????? ?? ????? ?? 18? 26 ? 50? ????? ????? ???????? (1000/100/10) ?? ?? ??????????. PoE (????? Power on Ethernet) ?????? ??? 48 ????? ????? ???? ?? ????? ????? ????? ???????? ???? ?????? ????? ???. ?? ???? ???? ????????? ??? ????????? ?????? ???? ???????? ??????? ?? QoS? 802.1X port authentication? ???????? ?? ?????????? IPv4 ? IPv6 ? ????????? ?? ????????? ????????? ?? ???? ??? ????? ???.????????? ??? 200 ?? ????????? ???? 180 ???? ???? ??? SF 200-24 (?? 24 ????? ????? ????) ?? 950 ???? ???? ??? SG 200-50P ??????? ???????? ?? (PoE) ????? ?????? ?????. ??????? ????? ???? RV220W ???? ?????? ???? ????? ????? ????? ??? ??? ?? ?? ?????? ??? ?? ???? IPsec ?? SSL ???? ?????. ?? ???? ????????? ??? ????? ??????? ?? ??????? SPI+NAT? ?????????? ???? ?? ?????? ????? ??????? ?????????? ?? ????? ?? ????? ProtectLink Web ???? ?????? ????????? ????? ???????? (?? WAN ? ???? LAN ????? ???)? ????? IPv4/IPv6 ?? ???????? ???????? ?? 802.1q VLAN ?? ?????? inter-VLAN? ??????? RADIUS ????? ?? ????? 802.1x ? QoS ????? ?? ????? 802.1p ????? ???.?????????? 802.11n ?? ???? ????? ??? ??????? ??? ????? ?? ???? ????? ? ?? ???? ???? ?????? ????? ???. ??? ???? ????? ?????? ?? 64 ?????? ?????? ?? ???? SSID ? ?????? ????? SSID ?? VLAN ???????? ??????. ????? ????? ?? ??? ??? ??WDS Bridging/Repeating ??? ???????? ??????.????? ?????? ????? ????? Mozy Cloud Backup ????? ??? ??????? NAS ??? NSS300 ??? ???? ???? ?????? ???. ??????? ???? ??? ??????? ?????? Mozy ?? ???? ?????? ?? 145 ???? ???? 25 ???????? ?? ??? ???? ???????.???? ????? ??????? ????? ?? ???? ?????? ???? VPN ? NAS ?????????? ????? ?? ???? ??????????? ???? ????? ???. ??????? ????????? ?????? ??? 200 ??? ????? ???????? ?? 24 ? 48 ????? ?????10/100 ??????? ?? ????? ?? 18? 26 ? 50? ????? ????? ???????? (1000/100/10) ?? ?? ??????????. PoE (????? Power on Ethernet) ?????? ??? 48 ????? ????? ???? ?? ????? ????? ????? ???????? ???? ?????? ????? ???. ?? ???? ???? ????????? ??? ????????? ?????? ???? ???????? ??????? ?? QoS? 802.1X port authentication? ???????? ?? ?????????? IPv4 ? IPv6 ? ????????? ?? ????????? ????????? ?? ???? ??? ????? ???.????????? ??? 200 ?? ????????? ???? 180 ???? ???? ??? SF 200-24 (?? 24 ????? ????? ????) ?? 950 ???? ???? ??? SG 200-50P (50 ????? ???????? ?? PoE) ???? ?????? ?????. ??????? ????? ???? RV220W ???? ?????? ???? ????? ????? ????? ??? ??? ?? ?? ?????? ??? ?? ???? IPsec ?? SSL ???? ?????. ?? ???? ????????? ??? ????? ??????? ?? ??????? SPI+NAT? ?????????? ???? ?? ?????? ????? ??????? ?????????? ?? ????? ?? ????? ProtectLink Web ???? ?????? ????????? ????? ???????? (?? WAN ? ???? LAN ????? ???)? ????? IPv4/IPv6 ?? ???????? ???????? ?? 802.1q VLAN ?? ?????? inter-VLAN? ??????? RADIUS ????? ?? ????? 802.1x ? QoS ????? ?? ????? 802.1p ????? ???.?????????? 802.11n ?? ???? ????? ??? ??????? ??? ????? ?? ???? ????? ? ?? ???? ???? ?????? ????? ???. ??? ???? ????? ?????? ?? 64 ?????? ?????? ?? ???? SSID ? ?????? ????? SSID ?? VLAN ???????? ??????. ????? ????? ?? ??? ??? ??WDS Bridging/Repeating ??? ???????? ??????.????? ?????? ????? ????? Mozy Cloud Backup ????? ??? ??????? NAS ??? NSS300 ??? ???? ???? ?????? ???. ??????? ???? ??? ??????? ?????? Mozy ?? ???? ?????? ?? 145 ???? ???? 25 ???????? ?? ??? ???? ???????. Bottom of Form????? ?????? ????????eigrp?? ???? ?? ?????? ?????? EIGRP ???? ????:1. ???? ??????? - neighbor table2. ???? ???????? - topology table3. ???? ???????? - routing table??? ????? ??? ?? ???? ???? ???? ? ??? ????? ?? ?? ???? ?? ???????? ???? ??????? ???? ?? ???? ? ?? ????? ??? ????? ???? ?? ????? ?? ????.?? ?????? ?????? EIGRP ?? ?? ???? ???? ??????? ?? ???? ????? ?? ???:1. ????? ?? ???? ?????? ?? ???? ? alive ?????.2. ?????????? ??????? ?? ?? ?? ?? ????.?? ??? ??? ?? ??? ?? ???? ??? ???? ?????? ????? ?? ???? ??????? ??? ?? ??? . ??? ?? ???? ???????? ??? ?? ??? ? ?? ????? ?? ???? ???????? ??? ??? ?? ???.???? ?? ???? ???? ??????? ?? ?????? ?????? EIGRP ? ??? ????? ?? ???? ?? ???? Privilege ?????:Router-1#show ip eigrp neighbors?? ????? ??? ????? ???? ??????? ?? ?? ????? ???? ?? ???.(?? ?? ???? ?? ?????? ???????? ????? ?? ?????? ???? ???? ? ??? ?? ?? eigrp ???? ???? ??.)?? ?? ???? ?? ?????? ???????? ????? ?? ?????? ???? ???? ?? ? ??? ?? ?? ?????? ?????? eigrp ?? ???? ???? ??.?? ???? ??? ????? show ip eigrp neighbors ?? ??? ? ????? ???? ?? ??? ???.?? ?? ??? ???? ?? ??? ???? ??? ?? ???? ???? ?? ????? ????? ?? ??????.1. H:???????? ?? ???? Handle ??? ?? ?? ??? ????? ???? ??????? neighbor router ?? ??????? ?? ???. ?? ????? ??? 0 ???? ???? ??? ???.2. Address:???? ???? ????? ?? ?? ?? ???? ??????? ?????? ???. ?? ?? ????? ?? ?? 10.10.10.2 ???? ???? ??? ??? ?? ?? ???????? ????? ???? ?????? ???.3. Interface:???? ???? ????? ?? ???????? ????? ???? ???? ??? ?? ?????? ?? ?? ???? ?????? ?????? ?????? ???? ???.4. HoldTime :???? ???? ???? ?? ??? ????? ????.??????? ?? ?? ????? ?? EIGRP ?? ???? ??? ???? ????? ?? ??? ????? ????? ???? ????????? ????? ??? Hello ???????. ???? ????? 15 ????? ???? ????? ??? Hello ??? ?? ??? ? ??? ?? 15 ????? ????? Hello ?????? ?? ?? ???? ???? ?? ???? ?? ?????? ?? ?? ???? ??????? Down ??? ???. ?? ??? ???? 15 ????? ?? HoldTime ???????. ??????? ?? ?? ????? ?? ????? HoldTime ?? 15 ???? ????? ? ?? 11 ????? ???. ??? ?? ?? ???? ???. ????? ??? ?? ?????? ???? ?????? ?????? ???. ??? ?? ??? ???? ???? ????? ?? ??? ?? ???? ?????? ?????? ???.5. Uptime :??????? ??? ????? ??? ?? ??? ?????? UP ??? ???.6. SRTT:????? ?? ??? ????? ????.SRTT ???? Smooth Round Trip Timer ?? ????. ?? eigrp ???? ?? ?? ???? Reliable ??????? ?? ???. ???? ??? ???? ???? ???? ???? ????? Acknowledge ?? ????? ???? ?? ???? ?? ?????? ???? ???. ????? ??? ?? ????? ??? Hello ?? ???? ?? ????? ?? Ack ??????. ???? Reliable ??????? ???? ?? ??? ??? ??? ????? ????? ???? ?? ?? ??? ?????. ???? ??? RIP ???? ?? ?? 30 ????? ????? ?? ?????? ???? ?? ?? ???? Advertise ??? ? ?? ??? ???? ??? ????? ?? ????? ??? ?????. ???? ????? ??? ?? ?? ????? ? ???? ??? ???? ??? ??????? ?? ?? ?????.?? ???? ???????? ???? ???? ????? ????? ??? ?? ?? ??? ??? Acknowledge ????? ???? ????? ?? ????? ??????????? ?? ??? ???? ? ????? SRTT ???.EIGRP ?? ???? ??? ??? ???? ???? ??? ? ????? ?? ???? ?? ??? ?????? ?????? ???? ?? ??? ??? ???? ? ?? ????? ????? ?????? ??? ? ????? ??? ??? ?? ???? ???? ?? ????? ???.EIGRP ?? ?? ???? ??????? ?? ???. EIGRP ?? ??? ? Delay ? ??????? ???? ??? ???? ?? ?????? ?? ??? ? ????? ?? ????? ?? ?? ?????? ?? ??? ?? ???? ? ?? ?? ??? ????? ?? ???. ??? ??? ???? ???? SRTT ?? Smooth Round Trip Timer ?? ????.?? ??? ????? SRTT? ??????? ???? ????? ? ?????? ??? ?? ? ?? ?? ???? ?? ???? ?????? ?? ????.?7. RTO :??????? ?? ????? ?? ???.?? ?? SRTT ?? ????? ???? ? ????? ?? ??? ???. ?? ???? ??? ??? ???? ?? ?? ???? ??????? ?????? ??? ??? RTO ?? Retransmission Time Out ?? ??? ?? ???.RTO ?? ?? ???? ???? ?? ??? ???? ??? ??? ????? ??? ?? ??? Acknowledge ?? ???? ????? ????? ? ????? ?? ?? ????? ????? ?? ?????. ??? ???? ?? ??? ???? ????? ???.8. Q cnt:???????? ?? Queue Count ?? ???? ? ???? ????? ????? ??? ???? ??? ?? ?? ?? ?????? ????? ????? ?? ????? ?? ??? ???? ?????? ???? ?????? ???? ??? ??? ???? ???? ??? ????.9. Seq Num:??? ??????? ?? Sequence Number ?? ???? ? ????????? ????? ????? ???? ??? Update? Query ? Reply ??? ?? ?? ???? ?????? ?????? ??? ???.??. ??????? ?? ????? ?????????? ???? ??????? ?? ?? ?? ????? ?????. ?? ???? ??? ?? ?? ???? ?? ???? ??? ?? ?????? ??????? ?????? ?? ????.?? ???? ?? ????? ????? ?? ?????? ???? ?? ???? (????? 1)??? ?? ????? ??? ????? ???? ??????? ????? ????? ??.??? ???? ??? ?? ??? ???? ?? ??????? ???????? ?? ?? ???? ???? ??? ?? ????? (????? 2)???? ??? ????? ?? ??? ?? ???? ?? ???? ????(????? 3)??? ???? ??? ?? ??????? ???? ???????? ???? ??? ?? ?????? ??? ? ?????? ?? ??????? ???? ???????? ?? ?? ?? ???? ?? ???? ???? ?????? ? ??????? ????? ?? ????.(????? 4)???? ??? ??? ?? ??? ???? ?? ??????? ???????? ?? ???? ???? ??? ?? ????? (????? 5)???? ??? ??? ????? ?? ??? (Acknowledge) ?? ??????? ?? ??? ?? ???? ? ?? ??? ?? ???? ???????? ?? ?? ????? ?? ???(????? 6)? ?? ??? ???? ???????? ?? ?? ?? ???? ???? ???????? ????? ?? ???.cisco firewall-PIX515 ??????? ???????????? ????? ??? PIX515 ??? ?? ??? ??? ?? ??????? ?? ???? ??? ???? ?? ???? ? ?? ???? ?? ??????? ????? ?? ??? ??? ??????? ? ?????? ???????? ?? ????? ???? ????? ???? ???? ???? ??? ???? ? ????? ????? ?? ???? ??? ??????? ?? ?????? ??? ????? ?????? ???????? ?? ???.??????? ????? PIX515: ?? ?? ?????????? ????? RAM 32 MB???? ?? ?? 1U??????? ????? ??????? cisco PIX515 ??????? ????? ??? PIX515 ??? ?? ??? ??? ?? ??????? ?? ???? ??? ???? ?? ???? ? ?? ???? ?? ??????? ????? ?? ??? ??? ??????? ? ?????? ???????? ?? ????? ???? ????? ???? ???? ???? ??? ???? ? ????? ????? ?? ???? ??? ??????? ?? ?????? ??? ????? ?????? ???????? ?? ???.??? ??????? ?? ???? ?? ??? ?????? ???? ??????? ?? ?? ?? ?? ???? Restricted ? Unrestricted ????? ?? ??? ? ???? ?? ??? ??? ?????? ??????? ????? ?? ??? ????? ???? ?? ???? ? ?? ??? ???? ?? ????. ?? ??????? ?? ??? ??????? ?? ?????? ????? ?????? ??? ? ?????? ?????? ?? ??? ??? ?? ???? ???? ??? ?? ?????? ????? ?? ??? Unrestricted ????? ????? RAM ????? 64MB ?? ???? ? ?? ??? Restricted ????? ????? RAM ????? 32MB ?? ????. ????? ????? ??? ????? ?? ??? ??? ??????? ??? 16MB ?? ????.??????? ?????????Cisco????? ???? ??2 FastEthernet?????? ????? ???? ?? ???? ?????6 FastEthernet?????? ????? ???? FastEthernet ?? ???? ?????6 FastEthernet????? PCI2???? ??????? 3DES VPN10Mbps(R)/63Mbps(UR)?????? ?????? ??????64000 (R) / 128000 (UR)???? ???????147Mbps???? ?? ??1U?????? ????? RAM32 MB?????? ????? RAM64 MB?????? ????? ???16 MB?????? ???16 MB???4.11 Kg?????4.37 x 42.72 x 29.97 cm:Cisco 7960G -???? ????????? ????? ???? ?????? ? ???????? ????. ???? ????? ????? ???????? ?? 6 ?? ????? PoE? ? ????? ???? ????? ????? ??????? ?? ???????? 7960 ?? ?? ????:?????? ?????? Full Duplex ???? ????? graphical 4-bit grayscale display (320 x 222)????? ??? VoIP 6 ????? VoIP???? RJ45 2 ???? RJ45???? ????? 7960G ???? ?? ?? 7960G ????? ??? ?? ??????? ???? ??? ??? 7900 ??? ???? ???. ??? ???? ????? ????????? ???? (full feature) ??? ? ??????? ?????? ? ???????? ???? ?? ??????? ?????. ??? ???? ????? ?? ???? ????? ???? ??? ?? 6 ?? ???? ?? ???????? ?????. Cisco 7960G ??????? PoE ?? ???????? ????? ? ?????? ???? ?? ?? ???? ???? ?????? ???.? ???? ??? ???? ????? ???? ???????? ? ?????? ?? ???? ?? ??????? ????? ????? ????? ????? ?????. ????? ???? ??? ???? ?? ?? ???? ?? ? ??? ??? (???? ????? ?????) ?? ????? ?? ???? ?? ?????. ???? ????? 7960 ? ??????? ???? ?????? ????:???? ????? 7960 ????? 6 ???? ???? ?????? ???? ?? ???? (Line) ???. ?? ???? ?? ?????? ???? ?? ????? ???? ?????? ???? ??? ?? ?? ????? ?? ???? ?? ?????? ???? ??? ? ?? ???? ????? ???? ???? ???. ??? ?????? ?? ?????? ?? ???? Cisco Call Manager (???? CUCM) ?????? ???? ??? ?? ???? ???? ?????? ????? ???? ????? (intercom) ? ?? ????? ???? ???? (speed dialing) ???? ??????? ???? ?????.? ????? ?? ????? ?? ???? ?? ?????? ???? ????? ?? ??? ???? ????? ???? ?????. ???? ???? ??? ???? ???????:??? ???? IP ????? ????? 4 ???? ??? (softkey) ??? ?? ??? ???? ????? ???? ?????. ??? ?????? ?? ?????? ?????? ???? ??? ?? ???? ????????? ????? ?????? ????? ????? ???? ???? ? … ??????? ????. ????? ?? ???????? ???? ??? ?????? ????? ????? ???? ???? Cisco Call Manager ???? ?????. ?? ????? ?? ???? ?? ????? ??? ????? ????? ?? ????????? VoIP ?? ???? ???? ????. ???? ????? 7960 ? ???????? ?? PoE??? ???? ????? ?????? ???? ?? ?? ??? ???? ??????.? ??? PoE ???????? ??? ???? ????? ??? ? ?? PoE ?????????. ???????? ????? ????? ?? ???????? PoE ????? ??????? ???? ? ?? ?? ???????? ?? ?? ????????? ???? In-Line ????? ?????? ?????. ???????? PoE ????? ?? ??????? ?? ???? ????? ????? ?? ???? ????? ???? ???? ????. ????? ?? ???? ???????? PoE ????? ???? ?????? ????. ???? ????? ???? ????? 7960??? ?? ???????? ???? ??? ???? VoIP ???? ????? ???? ?? ??? ?? ?? ???? ?????? (Pixel-based) ??? ? ?????? ??? ? ????? ?? ????? ???. ??? LCD ???? ? ???? ??? (4 ??? ????? 16 ??? ???? ??? ???????). ???? ????? Cisco 7960G ???? ???? ???? ??????? ???? (????? ???? ??????? ??? ???? ?????? ? …)? ??????? ???? ? ?????? ???? ??? ?? ??? ???? ? … ???? ??????? ???? ????. ????? ??? ???? ???? 7960 ?????7960 ????? 4 ?? ???? ??? (?? ????? 7940 ????? ????? ?? ?? ? 7911 ???? ?? ?? ????). ???????? ???? ??? ???? ????? ???? ?????? ? ???????? ?? ??????? ?????? ???? ??? ?????? ???? ????? ??????. ?? ???? ?? ????? ????? ???? ??? ???? ?? ?? ???? ??? ??? ?? ?? ?????? ???? ?? ?? ???? ??? ????? ????? ????? ???? ???. ???? ???? ??? ?????7960 ?? ???? ????? ???? ???? ?? ?? ??? ???? ???? ??????. ????? ?? ????? ???? ????? ???? ??? ??? ???? ?? ????? ???? ????? ????. ???? ???? ?? ?????? ?? ???? ??? ??? ???? ????? ???. ???? ??? ????? ????? ????? (Expansion Module)???? 7960 ????? ?? ???? ???? ????? ???. ??? ???????? ?? ???? ???? ????? Cisco Unified IP Phone 7914 Expansion Module ????? ??????? ?????? ???? ?? ?????? ????. ??? ????? 14 ???? ?? ???? ????? ????? ?? ??????? ???? ????? ???? ???? ????? ??? ???? ??????? ???. ??????? ?? ??? ????? ???? ???? ?? ??????? ??????.? ?????? ????? ?? ????? ?????? ???? ??? ???? ???? ?? ???? 7940 ????? ???. ?????? ?????? ???? ????? 7960???? ????? 7960G ????? ????? ?? ???? ???? ????? ??? ?? ?? ?? ?????? ????? ???? ????? ???? ??? ??? ?? ????? ???. ??? ???? ?????? ???? ?? ?? ????? 60 ???? ??????. ???? ???? ?? ???? ????????? ?? ???? ???? ???. ?????? ??? ???????? ?? ??? (kit) ???? ????? ???? ?? ????? ???? ????.? ??? ??? ???? ????? 1.6 ??????? ???. ???? ?????? ?? ???????? ?? ???? ????? ???? ?? ??? ?????. ???? 7960 ????? ?? ???? ?? ? ??? ??? ?? ?????????? ???? ???? ?? ???? ??? ???? ????? ?? ?? ???? ??? ??? ? ?? ???? ??? ????? ????? ???? ???. ????? ???? ??????? ????? ?? ????????? ???? ?? ???? ??????. ????? ??? ???? ???? ??? 7960 ????? ???? ????? ???? ???? 7960 ????? ???? ????? ???? ??? ?? ??? ?? ??? ????? Cisco ?? ?????? ?? ???.PoE ?? ????? ???? ??? ?? ?????? ?? ???? LAN ??? IP phone ?? ????? ???? ??????? ????. ??? ??? ?? ????? PoE ????? ????? ?????? ?? ??????? ??????.????? ????? ???? ???? 7960 ?? ????? ??? ?????? ?? ????? ??? ???. ????? ????? ??? ??????? Cisco???????? ?? ??????? ????? ??? ?? ?????? ?? ??????? ????? ?? ???? ????? ??? IP phone ??????? ????. ??????? ?? ??????? ????? ?? ??? ???? ?? ???? ??? ???? ?? ?? ???.?????? XML ?? ??????? ?? ?????? XML ?? ?????? ?? ??????? ??? ???? ????? ???? 7960 ??????? ????? ???? ??????? ???? ???? ?...??????? ?????????Cisco????? ???? ????6??? ????? ?????????? ???? ?????????? ????? ????????????? ???? ????????????? ??????????????? ??????????? ???? ?? ???? ???? ?????????????? ?????Yes??????? ??? ??????????? HD?????????? HD?????? ??? ????? ????G.711 a-law, G.711 mu-law, G.729a, Uncompressed Cisco wideband (16bits, 16kHz)???????????? ??????Full Duplex???? ????? ?????????? ?????????????? ????RJ11??? ????? ???? ?????GIF????? ?????? ????? ???????????? ???????? ????? ????????????20.32 x 26.67 x 15.24 cm????? ??? ??? ???? ???????????? ???? ????2???? ????? ???PoE and Adaptor???? ??????? ? ???Auto-provision, Phone??? ??? ?????????????? XML??????? ????? IPDHCP, Static???????? ?? ?????? SRTP:Cisco 7940G - ???? ???????? ???? ??? ?? ???????? ?????? ???? ????? ??? ?? ?? ?? ?? ????? ???????? ?? SIP ? SCCP? ??????? ????? ? ???????? ?? PoE ????? ??? ?? ???????? ??????? VoIP ????? ?????.Top of FormBottom of Form???? ?? ?? 7940G ????? ?? ?? ?????????? ?????? Full Duplex ???? ????? Graphical, Grayscale (320 x 222)????? ??? VoIP 2 ????? VoIP???? RJ45 2 ???? RJ45???? ????? 7940G ???? ??? ??? 7900 ???? ????? ???? ??????? ???? ?? ????? ??? ???. ?? ??? ??? ???? ????? 7940 ???? ???????? ?? ???????? ?? ?? ???????? ????? ?? ?? ????? ??? ????? ??? ???. ????? ???? ???? 7940 ????? ?? ?? ???? ?? ? ??? ??? (?? ???? ????? ?????) ?? ????? ????? ?? ???? ???????. ???? ??? ???? ????? ???? ????? ?? ?? ??????? ???? ????? ??????? ?????? ?? ??? ????? ????? ??????? ?????? ????? ?? ???. ?????? ?? ???? ???? ??? ???? ????? ????? ???? ???! ???????? ??? ???? ????? 7940 ??? ???? cisco ????????? ??? ?? ????: ??? ???? ??? ?? ?? ???? ????? ?????. ??? ???????? ?? ????? ???? ????? ?? ?? ?????? ???? ? ?? ?? ??? ?? ???? ???? ????? ???? ???? ??????? ???? (????? ?? ??????? ????-????) ??????? ?? ????? ???? ???? ???????? hands free ???????? ?? ???? (7940 ???? ?? ?? ???? ???? ???? ???) ??????? ???? ?????? (?????? ????? ??? ? ?????) ?????? ???? ?? ??????? ???? ? ??????? ?????????? ???? ? ??????? ???? ????? 7940: ???? ????? 7940 ????? ????? ?? ?? ???? ???. ??? ???????? ?? ????? ???? ????? ?? ?? ??? ???? ?????? ???? ? ??? ?? ?? ???? "?? ????" ??? ???? (??? ???? ???? ???????) ?? ???? ?? ??? ?? ?? ?? ???? ???? ?? ???? ????. ?????? ???????? ??? ?? ?? ???? ?? ?? ???? ????????? ???? (????? ???? ????? ?????? ???? ? ...) ??????? ????. ????? ?? ????? Cisco 7940G ????? 4 ???? ??? (soft key) ??? ?? ??? ??????? ???? ????. ?????? ?? ???? ? ?????? ?? ??? ?? ???? ?????? ?? ?????? ???? Cisco Call Manager (???? ???? ?? ??? ??? ?? ???? ?????? ??? ????) ????? ?????. ???? ????? ???? 7940: ???? ????? 7940 ????? ????? ???? ????? ???? ???. ??? ???? ????? ???? ? ???? ? ?????? ??? ?? ??????? ???? ????? ????? ? ??? ???? ??????? ???? ????. ??????? ???? ????? ??? ???? ??????? ????? ? ???? ?? ?????? ?? ??? ???? ????? ??? ???? ????? ???. ?????? ????? ? ????? ?? ????? ?? ?????? ?? ????? ??????? ??? ??? ????? ????? ????? ???. ???? ????? 7940G ? ????? ?????: Cisco 7940G ????? ?? ????? ?? ????? ????? ???. ?? ???? ?? ???? ????? ?? ??? ???? ????? ???? ???. ?? ???? ???? ?? ??? ???? ???? ????? ?? ??? ???? ????? ???? ?? ????? ???? (??????? ????? ?????) ??????? ????? ? ????? ?? ?????? ???? ????? ?? ???????? ?? ???? ??????? ???. ?? ??? ????? ?? ??????? ???? ???? ? ???? ??? ???? ??????? ???? ???? ?????.? Cisco 7940 ? ????????? ?? ????: ???? ????? 7940 ????? ?? ???? ???? ?? ???? ??? ???? ???. ?? ????? ???? ????? ?? ???? ????? ??? ??? ?? ????? ???? ????? ?????. ????? ???? ???? ?? ?????? ?? ???? ????? ????? ??? ?? ??? ???? ???? ????? ????? ???. ???? ????? 7940 ? ???????? ?? PoE: ???? ????? 7940 ??????? ???? ?? ?? ???? ???? ???? ?????? ???. ???? ??? ????? ???????? Cisco In-Line Power ??????? ?????. ??? ???????? ?? PoE ????????? ?????? ??? ? ???? ??? ?? ???????? PoE ????? ???? ????? ??? ???? ?? ?? ???? ??????? ???. ????? ???? ????? ??? PoE ?? ??? ?? ???? ????? ?? ???? ?? ?????. ????? ???? ????? ??? PoE ????? ???? ?? ?????? ????. ???????? ?????? ???? 7940 ?????: ?? ??? ?????? ??? ???? ???? ?? ???? ????? ???? ?? ?? ??????? ?? ?? ?????? ????? ???? ????? ???? ??? ??? ?? ????? ???. ???? ?? ?????? ?? ???? ?????? ??????? ??? ??? ???? ??? ?? ????? ?? ???? ???? ?? ????? 60 ???? ????? ???. ????? ??? ???? ???? ???? ????? 7940???? ??? ???? ?? ???????? ?? ?? ??? ?? ??? ????? ??????? ?? ???? ????? ?????. ???? ????? 7940 ????????? ????? ????? STP ? ?????? ??? ????? ????? ?? ???????? ?????. ??? ??? ????? ????? ??? ????? ?? ?????? ?? ????? ???????? ??????? ??? ???? ?? ?? ??? ??? ? ?? ???? Call Manager ????? ????. ?? ???? ?? ????? ????? ???? ??? ???? ????? ?? ?? ???? ??? ??? ?? ?? ???? ???????? ?? ??? ???? ?? ??? ???? ????? ???. ???? ???? ????? 7940 ?? ????? ?? ??????? ?????????? ???? ???? 7940 ????? ?? ?? ??????? ????? ????? ?? ???? ???????. ????? ?? ???? ????? ???? ??? ???????? ??? ???? ??? ??? ???????? ???? ? ?? ????? ?? ??? ???? ?????? ??????? ??? ?? ??????? ??????? ???????? ?? ?? ??? ???????. ????????? ????? ???? ???? ????? 7940 ?? ?????? ??? ???? ? ?? ?????? ?? ????? ?? ????. ????? ??? ???? ???? VoIP 7940G ????? ???? ????? ???? ???? ????? 7940 ????? ???? ????? ???? ??? ?? ??? ?? ??? ????? Cisco ?? ?????? ?? ???.PoE ?? ????? ???? ??? ?? ?????? ?? ???? LAN ??? IP phone ?? ????? ???? ??????? ????. ??? ??? ?? ????? PoE ????? ????? ?????? ?? ??????? ??????.????? ????? ???? ???? ????? 7940 ?? ????? ??? ?????? ?? ????? ??? ???. ????? ????? ??? ??????? Cisco???? HD ???? HD ??? ?? ?????? ??? ???? ??? ????? ???? Cisco ???.?????? XML ?? ??????? ?? ?????? XML ?? ?????? ?? ??????? ??? ???? ????? ???? ????? 7940 ??????? ????? ???? ??????? ???? ???? ?...??????? ?????????Cisco????? ???? ????2??? ????? ?????????? ???? ?????????? ????? ????????????? ???? ????????????? ??????????????? ??????????? ???? ?? ???? ???? ?????????????? ?????Yes??????? ??? ??????????? HD?????????? HD??????????????? ??????Full Duplex???? ????? ?????????? ?????????????? ????RJ11??? ????? ???? ?????GIF???? ????? ?????Grayscale graphical (pixel-based)???? ??? ??? ????????????, ????? ???, ??? ???, ????, ??? ????????? ?????? ????? ???????????? ???????? ????? ????????????20.32 x 26.67 x 15.24 cm????? ??? ??? ???? ???????????? ???? ????2???? ????? ???PoE and Adaptor???? ??????? ? ???Auto-provision, Phone???????? ?? ?????? SRTP???:Cisco 7911G - ???? VoIP ????????? ???? ????? ?? ???????? ?? ?? ?? ????? PoE? ? ???? ???? ???. ????? ???? ??????? ?? ???????? ???? ????? ? ??? ?????.:Cisco 7911G ?? ?? ?????????? ?????? Full Duplex ???? ????? Graphical monochrome, 192 x 64 pixels ????? ??? VoIP 1 ????? VoIP???? RJ45 2 ???? RJ45???? ???? ????? 7911. Cisco 7911G ??? 7900 ??????? ??? ???? ????? ???? ????????? ????? ????? ??? ???. ??? 7911 ??? ??? ??????? ???? ???? ??? ??? ??? ??? ?? ???? ???????? ?? ??????? ?? ? ????? ????? ??? ???. ??? ???? ?? ?? ???? ?? ???????? ????? .? ??? ???? ?? ???????? ??? ???? ???????? ?? PoE ????????? ? PoE ????? ??? (???????? Cisco inline). ?????? ????? 7911 ????? ?????? XML ???.? ?? ???? ?? ????? ????? ???? ??? ???? ?? ?? ???? ??? ??? ?? ?? ???? ???????? ?????? ?? ?? ?? ????? ??? ??????? ?? ???? ??? ???? ???? ??????? ????!Cisco 7911G ? ??????? ??? (Softkeys):????? ???? ??????? ??? 7900 ?????? 7911 ????? 4 ???? ??? ??? ?? ?? ??? ???? ????? ????? ??? ???. ?? ??????? ?? ??? ?????? ?????? ?? ????????? ????? ?????? ????? ???????? ????? ???? ???? ? … ??????? ????. ??????? ?? ?? ??? ??? ?????? ??????? ?? ???? ????? ?? ?? ????? ??? ????. ??? ???????? ?? ????? ???????? ??? ????? ??? ????? ????? ?? ???? ?? ????? ????. ??????? ???? ????: ????? ???? ??????? ?????? ??? 7911G ?? ????? ?? LED ???? ???? ???? ???? ?? ???? ???? ???? ????? ???.???? ?????:???? ????? ???? 7911 ?? ??? ? ?? ??????? 192 ?? 64 ????? ???. ??? ???? ????? ?? ?? ???? Scrol ???? ???? ?? ?????? ?????? ?? ????? ??? ?? ????? ???. ?????? ???????? ???? ?? ?? ???? ?????? XML ????? ???? ?????? ?? ?????? ?? ??? ???? ?? ??? ????. ??? ???? XML ???? (text-based) ?? ???????? ????? ? ?????? ??????? XML ???? ?? ??? ???????? ???. ????? ??? ???? ???? 7911 ???????? ???? ???? ????? ?? ?? ???? ???. ???????? ???? ?? ????? ???????? ??? ?? ?????? ???? ?? ?? ???? ?????? ????? ????? ???.? ???? ???? ??? ???? ???? ????? ?? ?? ?????? ?? ???? ??? 7940 ? 7960 ????? ???. ?? ??? ???? ??? ???? PoE ????????? ?? ??? ???????? ?????. ???? ???? ????? ??? PoE ??? ??? ????? ???????? ?? ??? ????? ??? ????? ????? ???? ?????? ????. ????? ????? 7911G ?? ????? 7912G??? 7911G ??? ??????? ???? ?? 7912G ???. ???????? ??? 7911G ??? ???? ?????? ???? ????? ???????? ????? ??. ?????? 7911G ????????? IEEE ???? PoE ?? ???????? ????? (IEEE 802.3af) ?? ???? ?? 7912 ???? ??? ????? ???? PoE ?? ???????? ????? (???????? Cisco Inline).? ??? 7911G ?? ????? ? ??????? ????? ??? ???????? ???. ?????? ????? ??? ??? ?? ??? ?? ?? ???? ??? ??????: ? ?Cisco IP Phone 7912G Cisco IP Phone 7911G IEEE 803.af Power Over Ethernet (PoE)NoYesEnhanced Memory and ApplicationsNoYesEnhanced Security FeaturesNoYesLCD Resolution192 x 64 pixels192 x 64 pixelsCisco Inline PowerYesYes???? ???? ?? ? ??? ??? 7911 ?????? ?? ?????????? ???? ???? 7911 ?? ?? ???? ????? ?????? ?? ????? ????? ?? ???? ???????. ??? ?? ???? ??? ???? ????? ???? ??? ?? ?? ?? ???? ?????? ????. ????? ?? ??? ?? ??? ?????? ?? ????? ???? ??? ???? ?? ?? ??????? ????? ????? ?? ???? ?? ?????. ????? ??? ???? ???? ???? 7911 PoE ?? ????? ???? ??? ?? ?????? ?? ???? LAN ??? IP phone ?? ????? ???? ??????? ????. ??? ??? ?? ????? PoE ????? ????? ?????? ?? ??????? ??????.????? ????? ???? ????? 7911 ?? ????? ??? ?????? ?? ????? ??? ???. ????? ????? ??? ??????? Cisco?????? XML ?? ??????? ?? ?????? XML ?? ?????? ?? ??????? ??? ???? ????? ????? 7911 ??????? ????? ???? ??????? ???? ???? ?...??????? ?????????Cisco????? ???? ????1??? ????? ?????????? ???? ?????????? ????? ????????????? ???? ????????????? ??????????????? ??????????? ???? ?? ???? ???? ?????????????? ?????Yes??????? ??? ??????????? HD?????????? HD?????? ??? ????? ????G.711 a-law, G.711 mu-law, G.729a, G.729b, G.729ab, iLBC???????????? ??????Full Duplex???? ????? ?????????? ????????????? ????? ???? ?????GIF????? ?????? ????? ???????????? ???????? ????? ????????????20.3 x 17.67 x 15.2 cm????? ??? ??? ???? ???????????? ???? ????2???? ????? ???PoE and Adaptor???? ??????? ? ???Auto-provision, Phone??? ??? ?????????????? XML??????? ????? IPDHCP, Static???????? ?? ?????? SRTP???****************************************************************************************************************************************************************?????farco-eng.irkhublink.ir ................
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