On Fri, Nov 9, 2018 at 2:34 PM Ben Pfaff <[email protected]> wrote: > > On Wed, Nov 07, 2018 at 11:01:20PM -0800, Han Zhou wrote: > > Now comes to my question. The time when all the GW BFD status went down > > matches perfectly with the time when the port number 65535 is used. > > However, I still didn't understand why would using the port number 65535 > > cause BFD status down on all tunnels (to other GWs and all hypervisors). > > Could someone help explain here, so that we are confident that there is no > > other potential problems? > > It's not obvious to me why it would cause a BFD problem. Is it > difficult to look into it?
It was on a live environment. It was recovered after quickly restart OVS. >From the logs I can't find out more hints. In a test environment I could reproduced the port number 65535 problem easily but it didn't triggered the tunnel BFD status down problem. I may try more to reproduce and debug, but in general what could cause all BFD status down (while network connection to the node is fine).
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