[j-nsp] MPLS fast convergence without link information

[David Ball]

On 29 December 2011 01:46, Mark Tinka <mtinka at globaltransit.net> wrote:
> On Thursday, December 29, 2011 03:49:25 PM Mark Smith wrote:

>> Which one of them (if any) is the best solution?
>
> We enable BFD on the IGP only. The IGP drives everything
> (iBGP, LDP, RSVP, e.t.c.). If that is stable, all other
> protocols will tend to be happier. That, for us, is the
> basic.
>

  Ditto.  We dialed our BFD down (up?) in our agg rings to around
150ms 'hellos' since we have MX80s which don't yet support
distribution of BFD to the PFE.  Any lower than that and we started to
see false positives, though YMMV.

David