Re: Best practices IPv4/IPv6 BGP (dual stack)

["Paul S." <contact () winterei se>]

As precaution, you should always deny ipv6 unicast on v4 sessions, and 
vice versa.

On 5/3/2014 午後 03:01, Eugeniu Patrascu wrote:
> On Fri, May 2, 2014 at 10:44 PM, Deepak Jain <deepak () 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.