I am configuring Port Forwarding in Peplink BL 20 Firmware Version 6.3.1 build 3138
But not hapening. Same was working in earlier Peplink. I am doing same configuration .
Do you have any non default firewall rules?
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Also, please let us know WAN routing mode defined for your device. If WAN defined as IP forwarding, Port Forwarding/NAT mapping (inbound NAT) is not applicable
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