Thanks Henning for answering,

While using nexthop, I see $peerfibn1 as the variable ip address in the
"nexthop" colomn but route, prio gateway or Iface are empty for this hop.

With show rib, I see both in gateway and aspath but AS22652 don't have the
valid and selected flag. Is the're something else or it seem like a problem
on the carrier side ?

2015-05-10 14:37 GMT-04:00 Henning Brauer <[email protected]>:

> * Michel Blais <[email protected]> [2015-05-07 17:59]:
> > I have 2 BGP peer from different provider (AS5769 and AS22652). It's
> happen
> > 2 times that I was not able to ping my neighbor ($peervid1) at AS5769
> > connected to em1 but still able to ping AS22652 neighbor on em1
> > ($peerfibn1). The bug is that when it's happen, I don't have any external
> > routes in the RIB. If I check neighbors via "bgpclt show", I see that
> > AS22652 is connected since last collomn show a number while last collone
> of
> > AS5769 will show in alternace "active" or "connecting".
>
> sounds like your routes from AS22652 aren't considered valid, could be
> due to the nexthop. bgpctl show rib & show nexthops should give clues.
>
> --
> Henning Brauer, [email protected], [email protected]
> BS Web Services GmbH, http://bsws.de, Full-Service ISP
> Secure Hosting, Mail and DNS. Virtual & Dedicated Servers, Root to Fully
> Managed
> Henning Brauer Consulting, http://henningbrauer.com/

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