On Fri, May 2, 2014 at 10:44 PM, Deepak Jain <dee...@ai.net> wrote: > > Between peering routers on a dual-stacked network, is it considered best > practices to have two BGP sessions (one for v4 and one for v6) between > them? Or is it better to put v4 in the v6 session or v6 in the v4 session? > > According to docs, obviously all of these are supported and if both sides > are dual stacked, even the next-hops don't need to be overwritten. > > I've done it separately. IPv4 with IPv4, IPv6 with IPv6. From my point of view it's a cleaner configuration to have things decoupled completely: management, debugging.
> Is there any community-approach to best practices here? Any FIB weirdness > (e.g. IPv4 routes suddenly start sucking up IPv6 TCAM space, etc) that > results with one solution over the other? > > None that I've noticed.