Packet Velocity ASIC (PVA) Acceleration Table
Packet Velocity ASIC (PVA) Acceleration Table
Versions: 10.0.0 ? 11.1.0 Updated: 2/21/13
As Seen -> Feature
Load Balancing Modes
FastL4 Profile
Sub-Feature
Round-Robin Ratio Member Least Connection Member Observed Member Predictive Member Ratio Node Address Least Connection Node Address Fastest Node Address Observed Node Address Predictive Node Address Dynamic Ratio Fastest reset on timeout
In Virtual Server UI
PVA1
PVA2
PVA10
Full
Full
Full
Full
Full
Full
Assist Assist Assist
Assist Assist Assist
Assist Assist Assist
Assist Assist Assist
Assist Assist Assist
Full
Full
Full
Assist Assist Assist
Assist Assist Assist
Assist Assist Assist
None None None
Full*
Full
Full
UDP Profile TCP Profile HTTP Profile SSL Profile Non FastL4 Profiles
reassemble IP fragments idle timeout
None* None
Assist None None None None None
Full None None None None None
None
Full None None None None None
PVA1
Full Full Assist Assist Assist Assist Assist Full Assist Assist Assist None Full*
None
Assist None None None None None
In Packet Path
PVA2
PVA10
Full
Full
Full
Full
Assist
Assist
Assist
Assist
Assist
Assist
Assist
Assist
Assist
Assist
Full
Full
Assist
Assist
Assist
Assist
Assist
Assist
None
None
Full
Full
None
Full None None None None None
None
Full None None None None None
Notes
* Resets Server side only
*Will demote to software on receipt of valid first fragment
As Seen -> Feature
SNAT
Sub-Feature
General Wildcard Orig. Address (default SNAT) Network Origin Address
In Virtual Server UI
PVA1
PVA2
PVA10
Assist Assist Assist
Assist Assist Assist
Full*
Full*
Full
Rules Simple Persistence SSL persistence Other persistence IPv6 Connection Mirroring
Packet Filtering
VLAN SNAT origination
Assist
Specific SNAT origination
Full
Assist
Assist
None
Assist
None
FastL4
None
Non FastL4 Profiles
None
filter_established = TRUE, pf rule None exists
filter_established = FALSE, pf rule exists
Assist
Assist Full Assist Assist None Assist None None None None
Assist
Assist Full Assist Assist None Assist None Assist None None
Assist
Rate Limit Filter
None None None
SYN cookies Virtual Servers
Clone pool Connection Limit IP Forwarding Address Translation Port Translation
Full None Full Assist Full Full
Full None Full Assist Full Full
Full None Full Assist Full Full
PVA1
Assist Assist
Assist
Assist Assist Assist Assist None Assist None None None None
Assist
None
Full None Full Assist Full Full
In Packet Path
PVA2
PVA10
Assist
Assist
Assist
Assist
Assist
Assist
Assist Assist Assist Assist None Assist None None None None
Assist
Assist Assist Assist Assist None Assist None Assist None None
Assist
None
None
Full None Full Assist Full Full
Full None Full Assist Full Full
Notes
* up to 16 Virtual + SNAT Network addresses, then Assist
Requires TCP profile
First packet in flow handled by TMM, and the remainder handled by PVA Demotes all virtual servers if any rate limit filter is present.
As Seen -> Feature
RTSP Vlangroups NAT Pools
Sub-Feature
SNAT Pool Protocol = TCP Protocol = UDP Protocol = Other Protocol = All Protocols Service Port = All Ports FTP Data Support Wildcard Virtual with mask < /32
In Virtual Server UI
PVA1
PVA2
PVA10
Assist Assist Assist
Full
Full
Full
Assist Assist Assist
None None None
Full
Full
Full
Assist Assist Assist
Assist Assist Assist
Full*
Full*
Full
PVA1
Assist Full Assist None Full Assist Assist Full*
VLAN allow/deny Lists
Assist*
Assist*
Full (up to 8 lists, then Assist*)
Assist*
In Packet Path
Notes
PVA2
PVA10
Assist
Assist
Full
Full
Assist
Assist
None
None
Full
Full
Assist
Assist
Assist
Assist
Full*
Full
* Maximum 16 network
SNATS + Virtual
Servers, then demoted
to Assist.
Assist*
Full (up to 8 lists, then Assist*)
* Demotes all virtual servers to Assist. NOTE: vlangroup on list will demote for Columbia
Lasthop Pools Data Channel Control Channel Opaque Translucent Transparent
min_up_members min_active_members
None None None None*
None None None None*
None None None Assist
None* None* Assist
None* None* Assist
Full
Full
Full
Full
Full
Full
Full
Full
Full
None None None None*
None*
None*
Assist
Full Full
None None None None*
None*
None*
Assist
Full Full
None None None Assist
Assist
Assist
Assist
Full Full
* Demotes all virtual servers
* Demotes all virtual servers
* Demotes all virtual servers
Quietly demotes NAT connections to Assist
As Seen -> Feature
Sub-Feature
Allow SNAT/NAT = No IP TOS or Link QOS 0 "up" members Shared nodes
Action on Pool members Down
Vlan System
Connection Limits Reselect drop reject none Mac Masqerade Auto Last Hop (disabled)
Nodes
Connection Limits
In Virtual Server UI
PVA1
PVA2
PVA10
Full
Full
Full
Assist Assist Assist
Assist Assist Assist
Assist Assist Assist
Assist None None None Full Assist None
Assist None None None Full Full None
Assist None None None Full Full None
Assist Assist Assist
PVA1
Full Assist Assist Assist
Assist None None None Full Assist None
Assist
In Packet Path
PVA2
PVA10
Full
Full
Assist
Assist
Assist
Assist
Assist
Assist
Assist None None None Full Full None
Assist None None None Full Full None
Assist
Assist
Notes
PVA acceleration status will be demoted to assist for virtual servers that reference a pool with nodes that are shared across other pools, or two or more virtual servers that reference the same pool. Refer to SOL7834 for details.
Demotes all virtual servers to none when Auto Last Hop is disabled. Since the PVA does not perform IP routing tasks, when auto last hop is disabled, all traffic must be passed to software so that TMM can find next hop from next hop pool.
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