Router A Router B Router C Router D Network Next Hop Next ...

[Pages:9]CIS--331

Solutions

Version 1

Test 1

Network 10.0.0.0 20.0.0.0 30.0.0.0 40.0.0.0 50.0.0.0 Default

Router A Next Hop

Direct Direct 20.0.0.1 20.0.0.1 10.0.0.1 10.0.0.1

Router B Next Hop 20.0.0.2

Direct Direct 30.0.0.2 20.0.0.2 20.0.0.2

Router C Next Hop 30.0.0.1 30.0.0.1

Direct Direct 30.0.0.1 30.0.0.1

Router D Next Hop

Direct 10.0.0.2 10.0.0.2 10.0.0.2 Direct 50.0.0.2

CIS--331

Solutions

Test 1

Version 1

5D 21 5C AD 42 5B 6B 7A 50 41 8F 58 08 00 45 38

00 72 92 11 32 EF E8 E1 BF 0A 7B B8 E4 46 6A AD

1B EA 5F DB 2B 06 25 AD 57 E5 40 DD 77 BF 6F 70

64 9D 90 EB C7 9A DA 19 F0 71 17 9A 18 1E CE C1

C0 34 D6 D7 0C FC AC E0 5A 10 86 40 EE C1 22 DD

85 07 29 DE AC A2 75 71 23 5F FA A2 6C F4 2C E6

63 A7 A6 5F FB A5 95 A3 1D DB 00 7D 41 11 F4 AF

68 3A 3D 31 B7 F5 04 77 40 A9 76 8B E2 26 20 5C

Destination Hardware Address 5D 21 5C AD 42 5B 01011101 00100001 01011100 10101101 01000010 01011011

Source Hardware Address

6B 7A 50 41 8F 58 01101011 01111010 01010000 01000001 10001111 01011000

Frame Type

08 00

00001000 00000000

Vers & Len

45

01000101

Type Of Service

38

00111000

Total Length

00 72

00000000 01110010

Ident

92 11

10010010 00010001

Flags & Fragment Offset

32 EF

00110010 11101111

Flags

More Fragments

Fragment Offset

12 EF

00010010 11101111

TTL

E8

11101000

Type

E1

11100001

Header Checksum

BF 0A

10111111 00001010

Source IP Address

7B B8 E4 46

01111011 10111000 11100100 01000110

Class

A

Network

7B

01111011

Host

B8 E4 46

10111000 11100100 01000110

Source IP Address (Decimal) 123 184 228 70

Destination IP Address

6A AD 1B EA

01101010 10101101 00011011 11101010

Class

A

Network

6A

01101010

Host

AD 1B EA

10101101 00011011 11101010

Destination IP Address

(Decimal)

106 173 27 234

Payload Data

5F DB 2B 06 25

01011111 11011011 00101011 00000110 00100101

CIS--331

Solutions

Version 2

Test 1

Network 10.0.0.0 20.0.0.0 30.0.0.0 40.0.0.0 50.0.0.0 Default

Router A Next Hop 30.0.0.1 30.0.0.1

Direct Direct 30.0.0.1 30.0.0.1

Router B Next Hop

Direct 10.0.0.2 10.0.0.2 10.0.0.2 Direct 50.0.0.2

Router C Next Hop 20.0.0.2

Direct Direct 30.0.0.2 20.0.0.2 20.0.0.2

Router D Next Hop

Direct Direct 20.0.0.1 20.0.0.1 10.0.0.1 10.0.0.1

CIS--331

Solutions

Test 1

Destination Hardware Address Source Hardware Address Frame Type

Vers & Len Type Of Service Total Length Ident Flags & Fragment Offset Flags Fragment Offset TTL Type Header Checksum Source IP Address Class Network Host Source IP Address (Decimal) Destination IP Address Class Network Host Destination IP Address (Decimal)

Payload Data

Version 2

5A E7 4F 57 0B 9C 7A 0C ED D1 93 F5 08 00 45 7D

00 72 B6 21 2A 7A DF 28 8A 43 82 A3 81 FD 3C 2B

9E 56 4D 06 26 EE 1E 6A A4 A1 38 2E 41 42 BA 5D

FC 80 AD 8E 60 5E 30 14 9E 8A D5 76 5A E2 BF EE

03 E7 E5 4D 5F 55 DE C4 F7 8A 75 7D 80 B6 E9 E6

CB 19 C1 D5 D1 0F 0E 60 9B DC 15 F8 78 8E 5E 4F

29 B2 99 F5 A5 F1 04 17 74 52 8B A9 2E A6 57 8E

1B 84 35 C3 C4 BE 76 A5 21 EF 17 E6 4D 5A F9 92

5A E7 4F 57 0B 9C 01011010 11100111 01001111 01010111 00001011 10011100

7A 0C ED D1 93 F5 01111010 00001100 11101101 11010001 10010011 11110101

08 00

00001000 00000000

45

01000101

7D

01111101

00 72

00000000 01110010

B6 21

10110110 00100001

2A 7A

00101010 01111010

More Fragments

0A 7A

00001010 01111010

DF

11011111

28

00101000

8A 43

10001010 01000011

82 A3 81 FD

10000010 10100011 10000001 11111101

B

82 A3

10000010 10100011

81 FD

10000001 11111101

130 163 129 253

3C 2B 9E 56

00111100 00101011 10011110 01010110

A

3C

00111100

2B 9E 56

00101011 10011110 01010110

60 43 158 86 4D 06 26 EE 1E

01001101 00000110 00100110 11101110 00011110

CIS--331

Solutions

Version 3

Router A

Router B

Network

Next Hop

Next Hop

10.0.0.0

50.0.0.1

40.0.0.2

20.0.0.0

30.0.0.1

50.0.0.2

30.0.0.0

Direct

50.0.0.2

40.0.0.0

50.0.0.1

Direct

50.0.0.0

Direct

Direct

Default

30.0.0.1

50.0.0.2

Test 1

Router C Next Hop

Direct 40.0.0.1 40.0.0.1 Direct 40.0.0.1 40.0.0.1

Router D Next Hop 30.0.0.2

Direct Direct 30.0.0.2 30.0.0.2 20.0.0.2

CIS--331

Solutions

Test 1

Destination Hardware Address Source Hardware Address Frame Type

Vers & Len Type Of Service Total Length Ident Flags & Fragment Offset Flags Fragment Offset TTL Type Header Checksum Source IP Address Class Network Host Source IP Address (Decimal) Destination IP Address Class Network Host Destination IP Address (Decimal)

Payload Data

Version 3

B6 6D 32 97 44 2A 32 37 AA B4 CC 22 08 00 45 90

00 72 62 E6 47 2D AB 9F DE 8A D5 9D 29 EE B3 1A

82 EF C0 9B 2C 92 CF 63 BA 10 9E 51 AA 96 15 2F

7A 98 F4 9F BB 8A 1B 71 95 48 52 D6 C1 4E 8D 69

BC 4A AC 11 5B 21 C6 CC BB F5 5A B4 D5 93 18 3A

C5 EA 61 3B FD A6 4E C0 56 23 5A 14 5C 0D 6B 15

27 C6 73 C0 B8 90 F6 29 83 0C AF 71 60 DD 7C 52

2A 3C 67 69 9B AF CC D8 2C 72 E4 AD 1E 4F E5 2D

B6 6D 32 97 44 2A 10110110 01101101 00110010 10010111 01000100 00101010

32 37 AA B4 CC 22 00110010 00110111 10101010 10110100 11001100 00100010

08 00

00001000 00000000

45

01000101

90

10010000

00 72

00000000 01110010

62 E6

01100010 11100110

47 2D

01000111 00101101

Don't Fragment

07 2D

00000111 00101101

AB

10101011

9F

10011111

DE 8A

11011110 10001010

D5 9D 29 EE

11010101 10011101 00101001 11101110

C

D5 9D 29

11010101 10011101 00101001

EE

11101110

213 157 41 238

B3 1A 82 EF

10110011 00011010 10000010 11101111

B

B3 1A

10110011 00011010

82 EF

10000010 11101111

179 26 130 239 C0 9B 2C 92 CF

11000000 10011011 00101100 10010010 11001111

CIS--331

Solutions

Version 4

Test 1

Network 10.0.0.0 20.0.0.0 30.0.0.0 40.0.0.0 50.0.0.0 Default

Router A Next Hop

Direct 40.0.0.1 40.0.0.1 Direct 40.0.0.1 40.0.0.1

Router B Next Hop 30.0.0.2

Direct Direct 30.0.0.2 30.0.0.2 20.0.0.2

Router C Next Hop 40.0.0.2 50.0.0.2 50.0.0.2

Direct Direct 50.0.0.2

Router D Next Hop 50.0.0.1 30.0.0.1

Direct 50.0.0.1 Direct 30.0.0.1

CIS--331

Solutions

Test 1

Destination Hardware Address Source Hardware Address Frame Type

Vers & Len Type Of Service Total Length Ident Flags & Fragment Offset Flags Fragment Offset TTL Type Header Checksum Source IP Address Class Network Host Source IP Address (Decimal) Destination IP Address Class Network Host Destination IP Address (Decimal)

Payload Data

Version 4

36 55 46 38 CC EE D5 F0 F6 F3 B8 97 08 00 45 C7

00 72 88 5B 54 32 36 2C 25 EE 61 CC 69 40 38 5A

BE CC 2E 13 13 DE 31 DC B1 40 0D 0F AD 1E 4B A9

5D A7 05 93 85 3C 47 F2 F8 CB CA 13 54 27 C7 37

39 AA 56 5B 11 CA FC 28 B1 3D D9 41 04 8B 8D 56

CE 3A 91 92 14 8B 2A CA 4A 8B 36 18 CF 0F 6E AE

B9 39 25 D8 06 39 02 38 F1 31 2B 3A 1B 12 87 15

33 91 F0 5C 98 66 F2 91 57 E2 2A 6B 6F 70 BD 93

36 55 46 38 CC EE 00110110 01010101 01000110 00111000 11001100 11101110

D5 F0 F6 F3 B8 97 11010101 11110000 11110110 11110011 10111000 10010111

08 00

00001000 00000000

45

01000101

C7

11000111

00 72

00000000 01110010

88 5B

10001000 01011011

54 32

01010100 00110010

Don't Fragment

14 32

00010100 00110010

36

00110110

2C

00101100

25 EE

00100101 11101110

61 CC 69 40

01100001 11001100 01101001 01000000

A

61

01100001

CC 69 40

11001100 01101001 01000000

97 204 105 64

38 5A BE CC

00111000 01011010 10111110 11001100

A

38

00111000

5A BE CC

01011010 10111110 11001100

56 90 190 204 2E 13 13 DE 31

00101110 00010011 00010011 11011110 00110001

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