HE Tunnel via wireguard

[Pedro Buffon]

Hi guys, so i currently trying to configure up an HE tunnel via wireguard toa Debian 12 system, wireguard already working. the following is a systemd service file that i`m using after researching:

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[Unit]
Description=he.net IPv6 tunnel
After=network.target
[Service]
Type=oneshot
RemainAfterExit=yes
ExecStart=/usr/bin/ip tunnel add he-ipv6 mode sit remote <Server IPv4 Address> local <Here i use the gateway from wireguard on the server> ttl 255
ExecStart=/usr/bin/ip link set he-ipv6 up mtu 1480
ExecStart=/usr/bin/ip addr add <Client IPv6 Address> dev he-ipv6
ExecStart=/usr/bin/ip -6 route add ::/0 dev he-ipv6
ExecStop=/usr/bin/ip -6 route del ::/0 dev he-ipv6
ExecStop=/usr/bin/ip link set he-ipv6 down
ExecStop=/usr/bin/ip tunnel del he-ipv6
[Install]
WantedBy=multi-user.target
I have a backup Mikrotik router, the same configuration there works like a charm, i only can`t manage to make it work on debian 12.