[c-nsp] QoS limiting on 10Ge ports

[Oliver Boehmer (oboehmer)]

MKS <mailto:rekordmeister at gmail.com> wrote on Tuesday, February 05, 2008
5:56 PM:

>> 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.. 
> 
> Well yes, when you are basically fixing the bandwidth for each class
> (class-map) What I was trying to say is that it's not possible to run
> wrr or wred then the actual bandwidth behind the 10G is e.g. 3G.
> The purpose would be to allow priority traffic have priority and then
> let best effort fill the rest of the pipe

ah, you are referring to hierarchical QoS, where we drop BE before voice
when hitting the 3Gbit? Yes, this is not possible on "classical" 10GE
LAN ports, you'd need SIP or ES20 or the like for this, PFC-QoS can't do
this.

	oli