[nsp] Colo design question

[sthaug at nethelp.no]

> > >XL switches are low end switches with a very very limited QOS capability.
> > With just the queue structure of 2q1t with the >threshold of 100% for each
> > queue and even that is not configurable. The CoS of 0-3 maps to the Queue #1
> > and 4-7 maps to >Queue #2 . Queue #2 is serviced before Queue#1 as long as
> > there are some packets in queue 2. Thats all what this switch >can do.
> > >there is absolutely no policing options on the XL.
> 
> Perhaps one of the cisco folks can verify this and translate it into lay
> terms.  Documentation on CIO definitely says the 3550 can do per-port
> policing.  I have a number of these in service and tested policing through
> them before deployment.  The ones I have are WS-C3550-48.  Actually, I
> think the confusion may be the discontinued 3500XL series vs the 3550's
> that replaced them.

Yes. The paragraph above explicitly talks about the XL series. 3550 is
a completely different (much better) kind of animal.

Steinar Haug, Nethelp consulting, sthaug at nethelp.no