can you please help me I'm having an issue regarding SFP connection of the Sophos firewall, brand model xgs 2300 i implement sub interface in the SFP port of the firewall all the rules and policy are correct i even test the internet connection it is working fine but when I'm using sub interface i only get IP address but no internet connection but when i try to use ethernet connection as my sub interface it is working fine, I'm using 3rd party SFP port.
Image below are the SFP port i used connection from Sophos firewall to Unifi switch.
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