WireGuard 修复MTU过低，导致网速下降，修改WG服务器端MTU值，默认值 MTU = 1420

Wireguard/wgmtu.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+
+echo -e "WireGuard 修复MTU过低，导致网速下降，修改WG服务器端MTU值，默认值 MTU = 1420"
+read -p "请输入数字: " num
+
+if [[ ${num} -ge 1200 ]] && [[ ${num} -le 1500 ]]; then
+   mtu=$num
+else
+   mtu=1420	
+fi
+	
+wg-quick down wg0
+sed -i "s/MTU = .*$/MTU = ${mtu}/g"  /etc/wireguard/wg0.conf
+
+wg-quick up wg0