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Sophos XG dropping internet connection randomly

So recently we got a new internet service provider and since then the internet will just go down twice a day or so. On the WAN link manager, it shows that the connection is down, but after a reboot, it will come back up again.

Where would I start investigating the problem?

I am not the most technically savvy and I was kinda put in charge of managing this. Your assistance would be greatly appreciated.



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  • FormerMember
    0 FormerMember

    Hi ,

    Thank you for reaching out to the Community! 

    First of all, I would suggest you configure the gateway failover rule to ping the gateway AND ping or establish a TCP connection to an external IP address, for example, 8.8.4.4 or 1.1.1.1. If the firewall can't ping the gateway and ping or establish a TCP connection on port 80 to 8.8.8.4.4, the gateway is considered down. 

    You could also check the dgd logs on the firewall. If the gateway goes down due to the ISP/modem/cable/interface issue, it will be logged in the dgd logs. 

    Run the following command from the Advanced Shell: awk '/Dead/' dgd.log and share the output. 

    Thanks,

Reply
  • FormerMember
    0 FormerMember

    Hi ,

    Thank you for reaching out to the Community! 

    First of all, I would suggest you configure the gateway failover rule to ping the gateway AND ping or establish a TCP connection to an external IP address, for example, 8.8.4.4 or 1.1.1.1. If the firewall can't ping the gateway and ping or establish a TCP connection on port 80 to 8.8.8.4.4, the gateway is considered down. 

    You could also check the dgd logs on the firewall. If the gateway goes down due to the ISP/modem/cable/interface issue, it will be logged in the dgd logs. 

    Run the following command from the Advanced Shell: awk '/Dead/' dgd.log and share the output. 

    Thanks,

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