[c-nsp] Policy Based Routing on Cisco 6500

[Tim Stevenson]

Correct. See:
http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/ios/12.2SX/configuration/guide/layer3.html#wpmkr1033564

•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.


HTH,
Tim


At 05:01 AM 6/9/2009, Roland Dobbins proclaimed:

>On Jun 9, 2009, at 6:00 PM, Shine Joseph wrote:
>
> > I am wondering if there any performance issue with using PBR on a
> > Cisco 6500 with Sup720?
>
>I think (correction welcome) that it only works in hardware based upon
>matching an extended ACL - any attempt to do things like match on
>packet size, etc. results in software switching.
>
>PBR by its nature is operationally brittle and ugly; if there's
>another way to accomplish one's goal, it's generally best to pursue an
>alternate method, if at all possible.
>
>-----------------------------------------------------------------------
>Roland Dobbins <rdobbins at arbor.net> // 
><<http://www.arbornetworks.com>http://www.arbornetworks.com>
>
>          Unfortunately, inefficiency scales really well.
>
>                    -- Kevin Lawton
>
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Tim Stevenson, tstevens at cisco.com
Routing & Switching CCIE #5561
Technical Marketing Engineer, Cisco Nexus 7000
Cisco - http://www.cisco.com
IP Phone: 408-526-6759
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