Hi Ondrej, sorry, I missed your response (T., thank you for forwarding):
>> I am very certain somebody has experienced similar issues and solved them; I >> did not find any pointers - please throw them at me. If this is new or >> unsolved, >> please help me forward, I can get more output, naturally. > > Hi > > It might be useful if you enable 'debug all' for OSPFv3 in BIRD. Alright...sorry, I thought I had "all" on, but apparently didn't. Here's the output from that, shortened and edited to protect the innocent. (If you require the full output, I'll email it to you) Thank you for taking a look at this, Elmar. ======================================================================================= 2020-06-03 12:30:13.801 <TRACE> ospf2: HELLO packet received from nbr <router-1> on igb0 2020-06-03 12:30:16.899 <TRACE> ospf2: DBDES packet received from nbr <router-1> on igb0 2020-06-03 12:30:16.899 <TRACE> ospf2: length 28 2020-06-03 12:30:16.899 <TRACE> ospf2: router <router-1> 2020-06-03 12:30:16.899 <TRACE> ospf2: mtu 1500 2020-06-03 12:30:16.899 <TRACE> ospf2: imms I M MS 2020-06-03 12:30:16.899 <TRACE> ospf2: ddseq 147850133 2020-06-03 12:30:16.899 <TRACE> ospf2: Neighbor <router-1> on igb0 changed state from ExStart to Exchange 2020-06-03 12:30:16.899 <TRACE> ospf2: DBDES packet sent to nbr <router-1> on igb0 2020-06-03 12:30:16.899 <TRACE> ospf2: length 108 2020-06-03 12:30:16.899 <TRACE> ospf2: router <bird-ip> 2020-06-03 12:30:16.899 <TRACE> ospf2: mtu 1500 2020-06-03 12:30:16.899 <TRACE> ospf2: imms 2020-06-03 12:30:16.899 <TRACE> ospf2: ddseq 147850133 (a handful of LSAs) 2020-06-03 12:30:16.901 <TRACE> ospf2: DBDES packet received from nbr <router-1> on igb0 2020-06-03 12:30:16.901 <TRACE> ospf2: length 1228 2020-06-03 12:30:16.901 <TRACE> ospf2: router <router-1> 2020-06-03 12:30:16.901 <TRACE> ospf2: mtu 1500 2020-06-03 12:30:16.901 <TRACE> ospf2: imms M MS 2020-06-03 12:30:16.901 <TRACE> ospf2: ddseq 147850134 (more LSAs) 2020-06-03 12:30:16.901 <TRACE> ospf2: DBDES packet sent to nbr <router-1> on igb0 2020-06-03 12:30:16.901 <TRACE> ospf2: length 28 2020-06-03 12:30:16.901 <TRACE> ospf2: router <bird-ip> 2020-06-03 12:30:16.901 <TRACE> ospf2: mtu 1500 2020-06-03 12:30:16.901 <TRACE> ospf2: imms 2020-06-03 12:30:16.901 <TRACE> ospf2: ddseq 147850134 2020-06-03 12:30:16.903 <TRACE> ospf2: LSREQ packet sent to nbr <router-1> on igb0 2020-06-03 12:30:16.903 <TRACE> ospf2: length 736 2020-06-03 12:30:16.903 <TRACE> ospf2: router <bird-ip> (some LSRs) 2020-06-03 12:30:16.906 <TRACE> ospf2: LSREQ packet received from nbr <router-1> on igb0 2020-06-03 12:30:16.906 <TRACE> ospf2: length 52 2020-06-03 12:30:16.906 <TRACE> ospf2: router <router-1> (more LSRs) 2020-06-03 12:30:16.906 <TRACE> ospf2: LSUPD packet sent to nbr <router-1> on igb0 2020-06-03 12:30:16.906 <TRACE> ospf2: length 144 2020-06-03 12:30:16.906 <TRACE> ospf2: router <bird-ip> (some LSAs) 2020-06-03 12:30:16.906 <TRACE> ospf2: DBDES packet received from nbr <router-1> on igb0 2020-06-03 12:30:16.906 <TRACE> ospf2: length 28 2020-06-03 12:30:16.906 <TRACE> ospf2: router <router-1> 2020-06-03 12:30:16.906 <TRACE> ospf2: mtu 1500 2020-06-03 12:30:16.906 <TRACE> ospf2: imms I M MS 2020-06-03 12:30:16.906 <TRACE> ospf2: ddseq 147850135 2020-06-03 12:30:16.906 <RMT> ospf2: Bad DBDES packet from nbr <router-1> on igb0 - I-bit mismatch (7) =======================================================================================
