RE: [nsp] Traffic management for Colo centers

From: Imre Fitos (imre@one.net)
Date: Fri Dec 01 2000 - 19:34:44 EST


> On Thu, Nov 30, 2000 at 10:41:27PM -0500, Miguel A.L. Paraz wrote:
> > Hi,
> >
> > What IOS features would you recommend or have used for
> traffic management on
> > a small colo center:
> > - Generic Traffic Shaping
> > - Committed Access Rate
> > - Weighted Fair Class Based Queueing
> >
> > Can the small L3 Catalysts (only doing Fast Ethernet) do
> this, or would you
> > do it on a 72xx serving a L2 switch?
> >
> > Thanks for your experiences.
> >
>
> Generic traffic shaping would be the best thing I think. CAR
> isn't intended
> for customer traffic shaping, and probably wouldn't work too well.
> Don't know whether the L3 Catalysts can do these, but
> certainly when we
> looked at the features they didn't seem to support some other
> features that
> were important to us such as NAT.

I know that Catalyst 2948G-L3 switches do rate-limiting per interface,
and they can also route. Not sure why you would need CB-WFQ in a cheap
colo environment though.



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