Incoming connection rejected

[Julien Sansonnens]

Hi Max,
There was indeed a problem with the netmask, so BIRD did not consider the
peer as directly connected.
thanks for your help.
Julien


2018-04-25 23:33 GMT+02:00 Maximilian Wilhelm <max at rfc2324.org>:

> Anno domini 2018 Julien Sansonnens scripsit:
>
> Hi,
>
> > I'm having a hard time trying to peer with some router over GRE tunnel.
> I'm
> > using bird 1.6.4
> > I have many GRE tunnels and BGP sessions is working fine on all of the
> them
> > except one.
> >
> > Session is locked on "Idle" state.
> > Here are my logs:
> >
> > 2018-04-25 15:22:00 <TRACE> carl: Waiting for fd00:1111::2 to become my
> > neighbor
> > 2018-04-25 15:22:02 <TRACE> carl: Incoming connection from fd00:1111::2
> > (port 32967) rejected
> [...]
> > I can ping6 f d00:1111::2 withou problem. Tunnel looks OK to me.
>
> > tcpdump: verbose output suppressed, use -v or -vv for full protocol
> decode
> > listening on peer-carl, link-type LINUX_SLL (Linux cooked), capture size
> > 262144 bytes
> > 15:26:59.597762 IP6 fd00:1111::2.47991 > fd00:1111::1.bgp: Flags [S], seq
> [...]
>
> How are the IPs configured on the tunnel? Did you configure fd00:1111::2/64
> and fd00:1111::1/64 or are both IPs /128 with a peer IP/route to the
> other side? I've seen this issue with the latter configuration.
>
> Best
> Max
> --
> Alles sollte so einfach wie möglich gemacht sein.
> Aber nicht einfacher.  (Einstein)
>
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