[j-nsp] Mixing v4/v6 neighbors in BGP groups

Tom Beecher beecher at beecher.cc
Mon Jul 2 09:10:24 EDT 2018


In my view, the benefits of keeping them separate far outweigh the
additional effort of creating and managing the additional groups.

On Fri, Jun 29, 2018 at 11:01 AM, Rob Foehl <rwf at loonybin.net> wrote:

> Wondering aloud a bit...  I've seen plenty of cases where wedging parallel
> v4/v6 sessions into the same BGP group and letting the router sort out
> which AFI it's supposed to be using on each session works fine, and nearly
> as many where configuring anything family-specific starts to get ugly
> without splitting them into separate v4/v6 groups.  Are there any
> particularly compelling reasons to prefer one over the other?
>
> I can think of a bunch of reasons for and against on both sides, and
> several ways to handle it with apply-groups or commit scripts.  Curious
> what others are doing here.
>
> Thanks!
>
> -Rob
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