[nsp] mls in the core?

[Stephen J. Wilcox]

On Tue, 3 Dec 2002, Jared Mauch wrote:

> On Tue, Dec 03, 2002 at 10:14:38PM +0000, Stephen J. Wilcox wrote:
> > Hi,
> >  recent topics on mls has me wondering.
> > 
> > Has anyone experience - live or lab - of running multilayer switching in the
> > network core?
> > 
> > What I mean by this is where you may have multiple gig-e links which you would
> > usually plug in to a big router- gsr or whatever that is also running a full bgp
> > table possibly with many peers.
> > 
> > What about if you stick a 7xxx on as the router engine and sit a 6xxx underneath
> > with the gig links in and configure the pair to run mls?
> > 
> > The 6xxx has a much higher throughput and I'd assume be able to really take a
> > beating, as the packets dont go thro the engine the 7xxx doesnt need a huge cpu
> > and expensive gig line cards - a single GE or possible FE should do.
> > 
> > Any thoughts? The incentive behind this is of course to avoid buying a very
> > expensive 12000 router loaded with gig ports. (Btw is anyone using and happy
> > with gig line cards on 7xxx?)
> 
> 	can you just configure your 6000 as a 6500 w/ sup and mfsc2
> to make it be a 'router'?

Possibly.. but the MSFC IOS tends to be quite limited and I need to check this
but I didnt think they could hold enough memory to run the bgp and i thought the
cpu were only R5000?

With a 7200/7500 you'd have no limitation on features...

Steve