You've confirmed you don't have the same loopback and router ID on both sides? This behavior sounds like that's the issue. They need to be different.
On Tue, Oct 11, 2022, 5:25 PM Nate Burke <n...@blastcomm.com> wrote: > I changed the RB4011 to a RB2009, and tried downgrading the RB4011 to > ROS6.49.6 from ROS7.5 and it's doing the exact same thing. I've tried > setting up an EoIP Tunnel across the F425, and changed the Router ID in > OSPF. Still doing the exact same thing. As soon as I enable the F425 > link, the Entire route table will flap between the Powerbridge and the > F425 even though the powerbridge is a cost of 20 higher than the F425. > If I disable the F425, everything is stable over the Powerbridge. Not > sure what else to try. > > On 10/6/2022 4:22 PM, Robert Haas wrote: > > Make sure you haven't duplicated your router id. > > > > > > > > -----Original Message----- > > From: AF <af-boun...@af.afmug.com> On Behalf Of Nate Burke > > Sent: Tuesday, October 4, 2022 1:58 PM > > To: AnimalFarm Microwave Users Group <af@af.afmug.com> > > Subject: [AFMUG] OSPF Pulling my hair out > > > > I have a site with a RB4011 connected via an old M5 Powerbridge, and an > EPMP PTP425. The 4011 is running ROSv7, everything else is on ROSv6. > Connecting to a CCR1036 and CCR1009 on the other ends of the radios. > > > > Everything was working perfectly for several months until a storm came > through, and now the F425 OSPF Session will not stay stable. The OSPF > Weights are set to prefer the F425 link. The OSPF neighbor never goes > down, Adjacency/state never change, but the RB4011 will update it's entire > routing table about every 5 seconds and flap back and forth between the > Powerbridge and the F425. The remote routers never update the route to the > 4011, it is stable over the F425. If I disable the > > F425 neighbor, everything is stable over the powerbridge. If I disable > the Powerbridge neighbor, the router will lose connectivity for a second > every 10 or 15 seconds, like it loses it's routing table. > > > > There is no packet loss across the F425 link, and it will Tik to Tik bw > test at 100MB sync no problem and no packet loss. I've even tried changing > ports on the 4011, plugging the F425 into a completely separate OSPF router > on the remote end. I've also put the traffic through a VLAN on the F425 to > see if the F425 was doing something weird with the packets. The F425 > radios on both ends have been power cycled. I've also updated ROS to the > latest 7beta, and no change. > > > > I'd think this is an issue with ROSv7/6 since the routing table keeps > updating, but the powerbridge link is always fine, so it feels like > something with the F425. Especially since it happened after a storm. > > But at the same time, how could a failure of the F425 be affecting > OSPF? When I do OSPF Logging on the 4011, nothing is looking out of the > ordinary. I guess I could try physically changing the 4011, but I've never > had a failure like that before. > > > > Mainly I just want to vent that I'm probably missing something stupid, I > just haven't been able to figure out what it is yet. > > > > > > > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com >
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