Hi Rubens, Thanks for the answer, do you have any doc or url for the information below?
-rendo- On Mon, Aug 11, 2008 at 10:09 AM, Rubens Kuhl Jr. <[EMAIL PROTECTED]> wrote: > It depends on whether the policy route will be only processed by the > SUP/RSP-720 or not. > > Although the following text is from the Cat IOS (ISBU) not 7600 IOS > (ERBU), my understanding is it reflects what PFC3x can do and can't do > in hardware: > > "The Policy Feature Card (PFC) and any Distributed Feature Cards > (DFCs) provide hardware support for policy-based routing (PBR) for > route-map sequences that use the match ip address, set ip next-hop, > and ip default next-hop PBR keywords. > > When configuring PBR, follow these guidelines and restrictions: > –The PFC provides hardware support for PBR configured on a tunnel > interface. > –The PFC does not provide hardware support for PBR configured with the > set ip next-hop keywords if the next hop is a tunnel interface. > –If the RP address falls within the range of a PBR ACL, traffic > addressed to the RP is policy routed in hardware instead of being > forwarded to the RP. To prevent policy routing of traffic addressed to > the RP, configure PBR ACLs to deny traffic addressed to the RP. > –Any options in Cisco IOS ACLs that provide filtering in a PBR > route-map that would cause flows to be sent to the RP to be switched > in software are ignored. For example, logging is not supported in ACEs > in Cisco IOS ACLs that provide filtering in PBR route-maps. > –PBR traffic through switching module ports where PBR is configured is > routed in software if the switching module resets. (CSCee92191) > –Any permit route-map sequence with no set statement will cause > matching traffic to be processed by the RP. " > > If you manage to keep within these boundaries, CPU load will be as if > there were no PBR at all. Otherwise, you will either eat up a > signification port of RSP720 pps capacity, or kill a SUP720. > > > Rubens > > > On Sun, Aug 10, 2008 at 11:47 PM, rendo <[EMAIL PROTECTED]> wrote: > > Hi, > > > > I'm looking for any cisco documentation or maybe your experiences > regarding > > the impact of implementing policy based routing in 76xx platrform. I have > a > > plan to put around 5-10 source based routing, each source goes to the > same > > outgoing interface but with different IP next-hop. The projected > throughput > > will be around 1 Gbps. > > > > I guess there are some impacts on CPU load and memory as well, so if > anyone > > here has anything to share, it would be great. > > > > Thanks in advance. > > > > -rendo- > > _______________________________________________ > > cisco-nsp mailing list cisco-nsp@puck.nether.net > > https://puck.nether.net/mailman/listinfo/cisco-nsp > > archive at http://puck.nether.net/pipermail/cisco-nsp/ > > > _______________________________________________ cisco-nsp mailing list cisco-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/