[c-nsp] 6500 SUP720 High Latency and Jitter issues

[Voll, Scott]

ACLs are done in HW it's only if you put log at the end of your ACL that
it becomes SW switched.

Ie.

Access-list 101 permit ip any any log

Scott

PS.  That's why if you do a show access-list you don't see counters
working.... it's done in HW.

-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of matthew zeier
Sent: Wednesday, May 25, 2005 10:23 AM
To: Simon Leinen
Cc: Dan Benson; Lupi,Guy; cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] 6500 SUP720 High Latency and Jitter issues



> 
> As Ian Cox said on this list, turning a 7600 into a 7200 (by forcing
> it do to software forwarding) is never a good idea.  But it's easy to
> do so by accident, and hard to find out after the fact why it
> happened.

How is that "accidentally" done?  ACLs?

I ran into a performance issues eons ago on a 6500 (sup2/msfc2) running
BGP 
and ACLs on three interfaces - the knee jerk reaction was to rip out BGP
so I 
never had a good opportunity to debug futher.  I'm right now planning on

flipping BGP back up but if ACLs are going to impact me, that might be 
something good to know in advance.


--
matthew zeier, Sr. Network Engineer  | "Nothing in life is to be feared.
InteleNet Communications, Inc.       |  It is only to be understood."
(949) 784-7904                       |       - Marie Curie

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