1. Can you check the MTUs of the wg0 ifaces on both systems? (ifconfig wg0) On Thu, 16 Jan 2025, Paul W. Rankin wrote:
utun4: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> mtu 1420 options=6460<TSO4,TSO6,CHANNEL_IO,PARTIAL_CSUM,ZEROINVERT_CSUM> inet 10.2.0.42 --> 10.2.0.42 netmask 0xffffff00 nd6 options=201<PERFORMNUD,DAD>
2. Can you also disable all those options (TSO4,TSO6,...) set on the Mac wg i/f? -RVP