On Tue, May 05, 2020 at 09:07:34AM +0100, Richard Chivers wrote: > Another 5 or so seconds later the same LS-Update comes in with the same seq > number. This appears to continue indefinitely. Our only fix appears to be > restarting ospfd on the routers. > > Does anyone have an idea what is going wrong here? > > Something we have considered being a problem is that we do have many > interfaces, we have 90 or so, so the LS-Update packets are quite large and > do get fragmented, as we are using a 1500mtu. >
Can you give more details about your network ? (config, number of speakers, number of routes ?) I could not reproduce it. Yet, I have a similar problem with ospf6d. I don't understand the details but changing prepare_ls_update() has an impact.
