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Sup 720-3CXL/2T-XL Multiple Full BGP Feeds Question

Hi guys,

 

I'm looking at moving away from some Cisco 7201s to a few 6503s with either Sup 720-3CXL, or the 2T-XL.  I'd keep the 7201s and use them as route reflectors by the way.  My question is, with the Sup engines at max memory, how many full BGP feeds can I expect to have on a single chassis?  I've noticed the 7201 has a ton of extra memory with just one feed, so it seems like it could handle 2 or 3 full feeds, least that's the way it looks when I check the FIB/RIB on them.

 

Does anyone have experience with this?  Is there a different recommendation?  I know some of the higher end ASRs, but they're out of budget.  I am a bit confused since the routing table is supposed to be like 500k+ routes, but I don't show that many from my current feeds, and there looks to be plenty more ram free.  I don't want to really do any filtering either to band-aid the router.

 

Thanks!

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Just bumping this up to see

Just bumping this up to see if anyone has any info on this...