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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