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Can't get to DMZ servers when internet goes down

Josh Rogalski

We have a DMZ subnet off of our XG 550.  When our internet connection goes down, internal clients cannot get to the web servers located on that DMZ. If you do a tracert, it is attempting to send the traffic out the other internet connection and get to the webservers from outside for some reason. 

Any suggestions for this?  We have no static route to the DMZ on the XG since the internal clients should be able to get to that direct attached subnet.  I have a second internet connection so I can force my traffic out the secondary and replicate this issue at will.  I have a ticket open with Sophos support and they are investigating as well but I figured I would throw it out on the forum and see if a routing expert has any ideas on it.  Thank you all!



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  • 0 in reply to Josh Rogalski

    Hi Josh,

    does the traffic to the DMZ need to go to the internet, you could setup an FQDN in the XG using the internal address of the server, do not tick advertise on WAN and create a rule to allow the traffic between the subnets.

    Ian

    XG115W - v19.5.1 mr-1 - Home

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