> I have two wireguard endpoints that has different opinions about when the > last handshake was made: > > interface: wg0 > public key: PauftxCvmti7CDDZ9yj6EKZ+r9zQj6gjb9hvP1whzwQ= > private key: (hidden) > listening port: 17395 > > peer: s5dnr91F06+AQ/3o5urOM5Dc1f0gzHOsGjwD+AEmwDA= > endpoint: 192.168.201.24:17395 > allowed ips: 192.168.26.197/32, 192.168.201.38/32 > latest handshake: 8 hours, 42 minutes, 30 seconds ago > transfer: 260.73 GiB received, 313.35 GiB sent > > And: > > interface: wg0 > public key: s5dnr91F06+AQ/3o5urOM5Dc1f0gzHOsGjwD+AEmwDA= > private key: (hidden) > listening port: 17395 > > peer: PauftxCvmti7CDDZ9yj6EKZ+r9zQj6gjb9hvP1whzwQ= > endpoint: 192.168.201.23:17395 > allowed ips: 192.168.26.200/32, 192.168.201.249/32 > latest handshake: 2 minutes, 15 seconds ago > transfer: 282.13 GiB received, 276.13 GiB sent > > It is not possible to send data through the tunnel in both directions only > in one direction. > > It is pretty easy to repeat this situation: > Send UDP packets through the tunnel at a speed that wireguard cannot keep up > with. I expect packet loss in this case but not that the tunnel is "partially > closed". > > Any ideas? > > Best regards, > Mats Loman
Adding more information: One side: . . . [71254.512872] wireguard: wg0: Receiving handshake initiation from peer 2 (192.168.201.48:17395) [71254.512939] wireguard: wg0: Sending handshake response to peer 2 (192.168.201.48:17395) [71254.527580] wireguard: wg0: Keypair 1399 destroyed for peer 2 [71254.527642] wireguard: wg0: Keypair 1400 created for peer 2 [71284.585205] wireguard: wg0: Receiving handshake initiation from peer 2 (192.168.201.48:17395) [71284.585267] wireguard: wg0: Sending handshake response to peer 2 (192.168.201.48:17395) [71284.592697] wireguard: wg0: Keypair 1400 destroyed for peer 2 [71284.592715] wireguard: wg0: Keypair 1401 created for peer 2 [71314.024610] wireguard: wg0: Receiving handshake initiation from peer 2 (192.168.201.48:17395) [71314.024671] wireguard: wg0: Sending handshake response to peer 2 (192.168.201.48:17395) [71314.032095] wireguard: wg0: Keypair 1401 destroyed for peer 2 [71314.032113] wireguard: wg0: Keypair 1402 created for peer 2 [71344.744295] wireguard: wg0: Receiving handshake initiation from peer 2 (192.168.201.48:17395) [71344.744356] wireguard: wg0: Sending handshake response to peer 2 (192.168.201.48:17395) [71344.751780] wireguard: wg0: Keypair 1402 destroyed for peer 2 [71344.751799] wireguard: wg0: Keypair 1403 created for peer 2 [71362.663988] wireguard: wg0: Receiving handshake initiation from peer 2 (192.168.201.48:17395) [71362.664048] wireguard: wg0: Sending handshake response to peer 2 (192.168.201.48:17395) [71362.671474] wireguard: wg0: Keypair 1403 destroyed for peer 2 [71362.671493] wireguard: wg0: Keypair 1404 created for peer 2 The other side: . . . [71974.055151] wireguard: wg0: Sending handshake initiation to peer 12 (192.168.201.47:17395) [71974.076684] wireguard: wg0: Receiving handshake response from peer 12 (192.168.201.47:17395) [71974.076775] wireguard: wg0: Keypair 1427 destroyed for peer 12 [71974.076789] wireguard: wg0: Keypair 1429 created for peer 12 [71974.076815] wireguard: wg0: Sending keepalive packet to peer 12 (192.168.201.47:17395) [72004.134540] wireguard: wg0: Retrying handshake with peer 12 (192.168.201.47:17395) because we stopped hearing back after 15 seconds [72004.134650] wireguard: wg0: Sending handshake initiation to peer 12 (192.168.201.47:17395) [72004.155991] wireguard: wg0: Receiving handshake response from peer 12 (192.168.201.47:17395) [72004.156080] wireguard: wg0: Keypair 1428 destroyed for peer 12 [72004.156094] wireguard: wg0: Keypair 1430 created for peer 12 [72004.156121] wireguard: wg0: Sending keepalive packet to peer 12 (192.168.201.47:17395) [72025.894170] wireguard: wg0: Retrying handshake with peer 12 (192.168.201.47:17395) because we stopped hearing back after 15 seconds [72025.894294] wireguard: wg0: Sending handshake initiation to peer 12 (192.168.201.47:17395) [72025.915688] wireguard: wg0: Receiving handshake response from peer 12 (192.168.201.47:17395) [72025.915779] wireguard: wg0: Keypair 1429 destroyed for peer 12 [72025.915794] wireguard: wg0: Keypair 1431 created for peer 12 [72025.915820] wireguard: wg0: Sending keepalive packet to peer 12 (192.168.201.47:17395) [72041.893912] wireguard: wg0: Retrying handshake with peer 12 (192.168.201.47:17395) because we stopped hearing back after 15 seconds [72041.894025] wireguard: wg0: Sending handshake initiation to peer 12 (192.168.201.47:17395) [72041.915460] wireguard: wg0: Receiving handshake response from peer 12 (192.168.201.47:17395) [72041.915551] wireguard: wg0: Keypair 1430 destroyed for peer 12 [72041.915566] wireguard: wg0: Keypair 1432 created for peer 12 [72041.915591] wireguard: wg0: Sending keepalive packet to peer 12 (192.168.201.47:17395) /Mats Loman