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New RED - Can't access LAN, just internet

Adrian Henderson

Trying to figure this out with the tech docs.   I finally got it connected and my tracert goes out the office WAN, great.  I can't ping the LAN IP of the RED from the firewall diags nor can I ping anything in the main office.  I set up a RED zone and firewall rule like in the guide.  

Also, how can I set DNS servers, DNS name to hand to the clients, or better yet, have the clients pull from the LAN server DHCP?  I'm hoping this is achievable.  



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  • 0

    Hello Adrian,

    Thank you for contacting the Sophos Community.

    Are the computers behind the RED able to reach out to the resources behind the XG? 

    Try to ping from a computer behind the XG the RED IP.

    Also make sure the subnet of the RED  isn’t overlapping with any other network in your Firewall.

    Regards,

  • 0 in reply to emmosophos

    From my tests, my laptop behind the RED could not ping servers, but the internet was working. 

    I just tried my laptop behind the XG and can ping the RED, but the latency is reporting sub 1ms so that doesn't seem right to me. I woudl expect over 20Ms.

    The RED subnet isn't overlapping.