[c-nsp] Sup720 CoPP, limits on CPU performance

Peter Kranz pkranz at unwiredltd.com
Tue Mar 23 14:48:56 EDT 2010


If somebody comes up with a 'best-practices' COP example for the 6500
chassis, I'm sure it would be very useful for several people.

-Peter

-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Saku Ytti
Sent: Tuesday, March 23, 2010 6:58 AM
To: cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] Sup720 CoPP, limits on CPU performance

On (2010-03-23 09:20 -0400), Chris Griffin wrote:

> Because on the PFC3B, mls HWRL glean traffic is subject to the 
> outbound ACL of the input interface.  If it didn't have this "feature" 
> we would use the glean rate limiter.  Its far easier for us to track 
> interface IPs than it is to re-write all of our outbound ACLs to 
> account for inbound glean traffic.

That is nasty, 'luckily' for me egress ACL are no-no anyhow, as they'll
create aggregate labels and cause egress IP lookup, which would break
hub+spoke VRF config, which is fairly typical in my network.

--
  ++ytti
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