howto/wireguard.md
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@@ -48,7 +48,7 @@ $ ip link set <interface_name> up
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Mic92 uses this [script](https://github.com/Mic92/bird-dn42/tree/master/wireguard) to automate this
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-Maybe you should check the MTU to your peer with e.g. `ping -s 1472 <end_point_hostname_or_ip>`. If your output looks like `From gateway.local (192.168.0.1) icmp_seq=1 Frag needed and DF set (mtu = <MTU>)` substract `80` from the MTU and set it via `ip link set dev <interface_name> mtu <calculated_mtu>`
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+Maybe you should check the MTU to your peer with e.g. `ping -s 1472 <end_point_hostname_or_ip>`. If your output looks like `From gateway.local (192.168.0.1) icmp_seq=1 Frag needed and DF set (mtu = 1440)` substract `80` from the MTU and set it via `ip link set dev <interface_name> mtu <calculated_mtu>`
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## Testing
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