Routes from FRR disappear - back on FRR restart
Re: Found 6 issues with FRR/OSPF in pfSense 2.5.1
@hempfieldtech I think I have an issue similar to yours!
Intermittently, I have problems with routes added by FRR disappearing from the routing table.
If I restart FRR (FRR Zebra, from Service status Widget on dashboard) the routes are added again.
I have IPSec with VTI running, FRR used for routing. In parallel, I have an l2tp connection to another server.
At least one reason for routes disappearing is the L2TP connection going up again - which happens once in a while.
Any ideas? Which logs would help? Anything to look for in the logs?
I am on 21.05.1 (
21.05.1-RELEASE (amd64) built on Wed Aug 04 09:50:13 EDT 2021 FreeBSD 12.2-STABLE)
Similar issues on another firewall running 2.4.5-p1 (
2.4.5-RELEASE-p1 (amd64) built on Tue Jun 02 17:51:54 EDT 2020 FreeBSD 11.3-STABLE)
@mi8088 When this behavior occurs, do you see the routes you expect listed in Zebra, but not in Diagnostics | Routes? That seems to be what is happening to me and it seems to get triggered by a WAN/gateway outage. When things come back up, the routes do not get placed back into the system routing table, but they are listed in Zebra as inactive.
@mdomnis Sorry for the late reply! I haven't experience this issue anymore since upgrading to 21.05.2. However, I have also removed the L2TP connection since I no longer need it. I think that is the same behaviour I saw, but I can no longer confirm it.