Hello, In my case, I change routing protocol from OSPF to RIP. While waiting for the fix. ECMP is broken too using OSPF Bird 2.15. Thanks. On 19/03/2024 11:54:58, Dmitry Melekhov <dm@belkam.com> wrote: Hello! Just upgraded and got: Mar 19 08:07:46 hohr-vpn-1 bird[1523831]: Started Mar 19 08:07:54 hohr-vpn-1 bird[1523831]: MyOSPF: Unexpected case in next hop calculation Mar 19 08:07:54 hohr-vpn-1 bird[1523831]: MyOSPF: Cannot find next hop for LSA (Type: 2002, Id: 192.168.222.221, Rt: 192.168.22.178) Mar 19 08:07:54 hohr-vpn-1 bird[1523831]: MyOSPF: Unexpected case in next hop calculation etc. on all hosts I upgraded. All of them is alma 9. Downgrade to 2.14 solved problem. Is there fix for this or workaround? Thank you! [9b1182b0-1b47-42f7-a2ae-5adefd415248]