[c-nsp] PBR in hardware on RSP720

[Peter Rathlev]

On Wed, 2009-09-30 at 12:45 +0200, Rinse Kloek wrote:
> "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."
> 
> How do I have to read this rule ? Only if I use these 3 commands, the 
> traffic will be policy routed through the PFC ?

That is as I understand it yes.

> And what about other rules. It looks like other Policy Routing rules 
> don't even get processed. So the only way the get these rules matched
> is disabling mls ip on the interface where the route-map is set ?

That also seems right, though I thought it was "mls switching unicast";
the commands seem to enable/disable each other though.

The switch might process the traffic in software even without disabling
hardware switching, but that wouldn't always be a good idea, considering
the perfomance impact.

Regards,
Peter