[c-nsp] sup2t XL with non XL linecards

[Aled Morris]

On 22 November 2012 08:14, Gert Doering <gert at greenie.muc.de> wrote:

> Hi,
>
> On Wed, Nov 21, 2012 at 06:23:18PM -0800, . . wrote:
> > The linecard will just be doing l2 switching, and any l3 that needs the
> routes
> > will be going to the supervisor, that's fine, just don't want the
> supervisor to
> > fall back to non XL mode.
>
> That's not the way the 6500 architecture works.  There is no distinction
> between "L2" and "L3" switching - both is done by PFC/DFC, and if your
> line card has a DFC, it needs to match what the supervisor has.
>
>
>
It's worth emphasising the words Gert used:

IF YOUR LINE CARD HAS A DFC

i.e. if any line card has a non-XL DFC, you should replace it with a CFC so
that it doesn't force the sup PFC to operate in non-XL mode

Aled