[c-nsp] Multicast and bridge-group on cat 6500

[Asbjorn Hojmark - Lists]

> I have 6506 with sup720bxl3, and configure  bridge between two
> SVI.
> 
> bridge irb

IRB is not supported in 12.2SX. See http://tinyurl.com/2ef8nw

You can bridge non-routable protocols (A.K.A fallback-bridging)
between SVIs (A.K.A. VLAN interfaces), but it's done in software
on the MSFC, it doesn't work for IP (routable, obviously), and
you'll need to configure all the standard L3 on both SVIs.

-A