hansome
12
handshake always happens, it has nothing to do with PersistentKeepalive which is used for heartbeat purpose(let the middlebox not drop the wireguard UDP connection).
Could you export and send me the full log to email handongming@gl-inet
By the way, you can tweak the MTU to smaller one(go to page VPN dashboard - WireGuard Client Options), and change PersistentKeepalive smaller, eg, 15(edit the configuration file)