[nsp] Any plans for unicast RPF on Catalyst 4000/SupIII?

[sthaug at nethelp.no]

> Assuming implementation is similar to that on the cat6/sup2, the biggest
> problem will be the 1/2 reduction of tcam entries. On that platform its
> pretty painful going down to 128k entries, but on the cat4, that would
> take it down to 64k.

Note that on the 6500/7600 platform, Sup720 does *not* show the same
halving of usable TCAM entries that Sup2/PFC2 does, according to the
documentation.

Steinar Haug, Nethelp consulting, sthaug at nethelp.no