Re: [nsp] What is VXR

From: Jared Mauch (jared@puck.nether.net)
Date: Tue Nov 13 2001 - 12:21:52 EST


On Tue, Nov 13, 2001 at 06:08:05PM +0100, Gert Doering wrote:
> Hi,
>
> On Tue, Nov 13, 2001 at 05:51:20PM +0100, KF wrote:
> > VXR have TDM between PCI busses... there is big significant when bandwidth hungry PA's want to switch packets over this buses.
>
> AFAIR the TDM bus is only there for switching "time division" things,
> that's ISDN DS0's etc.
>
> The main difference performancewise is that the PCI bus can go faster
> in the VXRs (which causes incompatibilities for old revisions of certain
> PAs).

http://www.cisco.com/warp/customer/770/fn3028.shtml
http://www.cisco.com/warp/public/770/fn3028.shtml

        That will give you a list of the PAs and minimum revisions
that are supported in the VXR.

        Most notably there is no FDDI support in the VXR. These days
most people aren't using FDDI anymore but this is your warning :)

        - Jared

-- 
Jared Mauch  | pgp key available via finger from jared@puck.nether.net
clue++;      | http://puck.nether.net/~jared/  My statements are only mine.



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