[c-nsp] IPv6 on MSFC2

[Oliver Boehmer (oboehmer)]

Church, Chuck <> wrote on Thursday, February 08, 2007 6:23 PM:

> Anyone,
> 
>     I understand that IPv6 is done in software on the MSFC2 on a Sup2.
> I've read that the forwarding performance is about 500,000 pps for
> software-switched CEF packets on this MSFC, and about 20,000 for
> process switched.  Anyone have an idea if IPv6 is done in CEF on this
> module? If so, does that 500,000 pps number seem realistic?  Assuming
> no features like NAT, QoS, ACLs, etc.  We've got several hundred of
> these in place for WAN connectivity, everything from DS-3 to OC-3 in
> FlexWANs, and some OSMs doing POS OC-12.  Almost all are just one WAN
> link, with ethernet connectivity down from there.  I'm thinking that
> the Sup2 will probably work for speeds up to OC-3, but want to make
> sure. 

I've seen tests with ~200kpps on Sup2, but then your MSFC CPU will be at
90+%, so not really something I'd do in production ;-)

Filling an OC3 with some IMIX packet distribution should work, however,
not sure about the Flexwan as this also needs to be checked here.

	oli