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"unknown session id" from bird on centrallog hosts
Closed, ResolvedPublic

Description

Both centrallog hosts are showing these repeated messages in their /var/log/syslog:

Nov 19 11:00:16 centrallog2001 bird: bfd1: Bad packet from 208.80.153.193 - unknown session id (2246144715)
Nov 19 11:00:18 centrallog2001 bird: bfd1: Bad packet from 208.80.153.193 - unknown session id (2246144715)
Nov 19 11:00:20 centrallog2001 bird: bfd1: Bad packet from 208.80.153.193 - unknown session id (2246144715)
Nov 19 11:00:21 centrallog2001 bird: bfd1: Bad packet from 208.80.153.193 - unknown session id (2246144715)
Nov 19 17:32:04 centrallog1001 bird: bfd1: Bad packet from 208.80.154.197 - unknown session id (2212523836)
Nov 19 17:32:04 centrallog1001 bird: bfd1: Bad packet from 208.80.154.197 - unknown session id (2212523836)
Nov 19 17:32:05 centrallog1001 bird: bfd1: Bad packet from 208.80.154.197 - unknown session id (2212523836)
Nov 19 17:32:05 centrallog1001 bird: bfd1: Bad packet from 208.80.154.197 - unknown session id (2212523836)
Nov 19 17:32:05 centrallog1001 bird: bfd1: Bad packet from 208.80.154.197 - unknown session id (2212523836)

Event Timeline

Restricted Application added a project: Operations. · View Herald TranscriptNov 19 2019, 5:32 PM
Restricted Application added a subscriber: Aklapper. · View Herald Transcript
ayounsi claimed this task.Nov 19 2019, 5:32 PM
ayounsi closed this task as Resolved.Nov 19 2019, 6:08 PM

Clearing the BFD session on the router and restarting bird solved the issue.
If it happen again please reopen and I'll investigate it more.