[c-nsp] QoS limiting on 10Ge ports

[Oliver Boehmer (oboehmer)]

MKS <mailto:rekordmeister at gmail.com> wrote on Tuesday, February 05, 2008
5:17 PM:

>> Wyatt Mattias Ishmael Jovial Gyllenvarg <> wrote on Tuesday,
>> February 05, 2008 9:58 AM: 
>> 
>>> Hi all
>>> 
>>> Im looking too limit a 10Ge too ~3Gb using policing.
>>> Platform is 650X/760X Sup32 10Ge PFC3 MSFC 2A.
>>> Is this possible at these speeds?
>> 
>> yes, it's done in hardware on the PFC3 without performance impact
>> (aside from dropping 7 Gbps if used at full rate ;-)
>> 
> Humm are you sure. The topic of the question was "QoS Limiting in
> 10Gb" 
> I know that you limit the traffic ignoring QoS (DSCP values) e.g.
> 
> policy-map 3GbE
>   class class-default
>    police cir 3000000000 bc 562500000 conform-action transmit
> exceed-action drop     violate-action drop
> 
> but how can you do it with a Diffserv policy, e.g. wred/wrr?

well, the question was for policing, and this is how to do it. 
What do you mean wrt DS policy? You can obviously also police traffic
based on DSCP using appropriate class-maps, so not sure what you mean..

tx,
	oli