[c-nsp] Control-Plane Filters/ACLs

Gert Doering gert at greenie.muc.de
Fri Dec 3 16:55:25 EST 2010


Hi,

On Fri, Dec 03, 2010 at 05:18:03PM +0000, Phil Mayers wrote:
> >Are there some templates or examples I can find? I haven't played
> >much with CoPP and don't hear a lot of accolades for doing this. The
> >other obvious question would be "does this run in hardware or in
> >software?". Hmm, doubt if the packet ASICs are processing ACL's.
> 
> Provided QoS is globally enabled with "mls qos", CoPP is done in 
> hardware[1] on 6500/sup720, by adding QoS policy-maps into the PFC/DFC 
> qos path.

You're sure you need mls qos for that?  I was under the impression that
CoPP is always done in hardware (as long as the specific rules permit).

But I have not extensively labbed this.

gert
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Gert Doering - Munich, Germany                             gert at greenie.muc.de
fax: +49-89-35655025                        gert at net.informatik.tu-muenchen.de
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