BFD multihop with Junos

Ondrej Zajicek santiago at
Wed Mar 6 04:32:05 CET 2019

On Tue, Mar 05, 2019 at 05:21:44PM -0500, Arzhel Younsi wrote:
> Hi,
> I'm trying to setup BFD multihop session between Bird 1.6.3 and a Juniper MX router to fast failover eBGP multihop sessions.


I guess this could be strict src port checking in Juniper, see :

  BFD packets are sent with a dynamic source port number. Linux systems use
  by default a bit different dynamic port range than the IANA approved one
  (49152-65535). If you experience problems with compatibility, please
  adjust /proc/sys/net/ipv4/ip_local_port_range

And also:

Elen sila lumenn' omentielvo

Ondrej 'Santiago' Zajicek (email: santiago at
OpenPGP encrypted e-mails preferred (KeyID 0x11DEADC3,
"To err is human -- to blame it on a computer is even more so."

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