[c-nsp] 6509 w/WS-X6K-S2-MSFC2 vs 72xx/NPE-G2

[TCIS List Acct]

Justin M. Streiner wrote:
> On Tue, 13 Mar 2007, TCIS List Acct wrote:
> 
>> Right now, we are looking at upgrading to the NPE-G2 at the core, or, going to
>> 6509 w/WS-X6K-S2-MSFC2's and the FlexWan module for the DS-3 and OC-3 PA's.
>> Pricing for the 6509 in this config seems to be comparable or less than a -G2,
>> so I was looking for any pros/cons to the two different platforms.  We will be
>> taking full BGP feeds, running CEF, and have a few small ACLs, nothing fancy.
> 
> How many full BGP feeds would you be handling?  One of the big limitations 
> of the Sup2s that drove many people to upgrade to the Sup720/3BXLs was the 
> maximum size of the TCAM table in the Sup2.  With a full BGP feed floating 
> around 200k routes, this is definitely a concern.  I need to look up the 
> table size, but I could see that being a show-stopper for you.
> 
> If you opt for the 720, don't forget that you need a Fan Tray 2 and you 
> may need to upgrade to the 3000W power supplies if you haven't already. 
> That upgrade may require pulling 208V/20A or 30A circuits to feed the 
> supplies.
> 
> jms

At most we would take three BGP feeds from our transit providers, probably just 
one or two to start with customer routes from the others.

--Mike