[190306] in North American Network Operators' Group

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Re: 1GE L3 aggregation

daemon@ATHENA.MIT.EDU (David Charlebois)
Wed Jun 22 20:52:45 2016

X-Original-To: nanog@nanog.org
In-Reply-To: <67f9874e-3194-fad2-e39b-af9c67aa875f@seacom.mu>
From: David Charlebois <dcharlebois@gmail.com>
Date: Wed, 22 Jun 2016 16:04:31 -0400
To: nanog@nanog.org
Errors-To: nanog-bounces@nanog.org

Hello
I'm curious about the overall recommendation when selecting a small class
BGP router for IPv6 (with 1gig ports). We can see the current IPv4 routing
table is around 615k routes and the IPv6 routing table is sitting around
~31k routes.

In our case, we advertise a single /24 from our head office to 2 upstream
providers. The routing is %100 for redundancy.

Somebody mentioned that the Brocade CER-RT was once a best seller. Brocade
are now offering the CER 4X-RT version at 256K IPv6 routes supported (1.5M
IPv4 routes). We don't have immediate plans for IPv6, but I do foresee this
in a few year. Question is - is 256k IPv6 routes suitable?

Thanks
Dave

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