[c-nsp] L3 Switch as a BGP Gateway

Scott Granados scott at granados-llc.net
Mon Jun 27 15:07:38 EDT 2011


Probably memory and entries in the routing table being the limiters.

Remember (not sure on the 3750) but many devices fall short of the 350+ K routes needed to install a full table.

On Jun 27, 2011, at 11:59 AM, Jason Greenberg wrote:

> Can someone advise me as to why a 3750 L3 Switch (Metro Model) wouldn't outperform a 7300 series router as a multi-homed BGP gateway?  ISRs and Enterprise class routers are still quite a bit more expensive than the L3 Switches, but I'm starting to not understand why.   I understand that L3 switches are less feature rich on the routing end, but suppose that our ASAs are doing most of the complicated filtering.    I know it doesn't sound "right" to have a 3750G used in this manner, but I am having a hard time finding any real reason why not to do it.
> 
> Thanks,
> 
> Jay
> 
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