Re: [nsp] ATM and 7500's

From: Siva Valliappan (svalliap@cisco.com)
Date: Fri Mar 09 2001 - 01:17:50 EST


IRB is supported on the PA-A2 in 12.1()T land for the 7200. but we
also support RBE for in this code and platform and PA.... ;)
can you provide additional details on how it's broken?

thank you
.siva

>
> Depends on what you're using it for. ATM adapters work fine in 75xx's,
> but if you're planning on DSL termination, especially with bridging
> or otherwise involving lots of PVC's and sub-interfaces, you really
> don't want it on your 7500. An RSP4 or RSP8 is a good thing to have
> if you want to try that, otherwise a 7206 is a good front end, and
> recent IOS deals with some of the performance/scaling issues.
>
> Also, if you're going the 7500 route, the AIP will work but is a
> fairly limited interface, it supports only a limited number/range
> of PVC's and doesn't support CBIT-PLCP framing. The PA-A3 is the
> good guy interface, but requires a dedicated VIP-2/20-40 or VIP2/50,
> in a 7206 you'd want a NPE-200/250/300 to avoid running out of SRAM.
>
> Any of you Cisco folks know why IRB is broken or not supported on
> the PA-A2 aka PA-ATM-CES in 12.1T-land?
>
> George
>
> > From cisco-nsp-request@puck.nether.net Thu Mar 8 19:20:54 2001
> > Date: Thu, 8 Mar 2001 19:01:22 -0500
> > X-From_: mherbst@cccoe.k12.ca.us Thu Mar 8 19:01:21 2001
> > Received-Date: Thu, 8 Mar 2001 19:01:20 -0500
> > X-Sender: mherbst@mail.cccoe.k12.ca.us
> > Old-Date: Thu, 08 Mar 2001 16:03:29 -0800
> > To: Cisco-nsp@puck.nether.net
> > From: Mike Herbst <mherbst@cccoe.k12.ca.us>
> > Old-X-Envelope-To: cisco-nsp
> > Resent-From: jared@puck.nether.net
> > Resent-Date: Thu, 8 Mar 2001 19:18:24 -0500
> > Resent-To: cisco-nsp@puck.nether.net
> > Subject: [nsp] ATM and 7500's
> > X-Mailing-List: <cisco-nsp@puck.nether.net> archive/latest/5620
> > X-Loop: cisco-nsp@puck.nether.net
> > Precedence: list
> > Resent-Sender: cisco-nsp-request@puck.nether.net
> >
> > Hello
> >
> > I wanted to ask if anyone has heard of any problems with putting an ATM
> > adapter into a 7507? I am upgrading my equipment and trying to decide
> > whether I should buy a new 7206 and put my ATM connection there or put it
> > in my existing 7507.
> >
> >
> > Thank You,
> >
> >
>



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