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Losing DHCP Gateway

Larnel Hight

This problem started with 17.5.0 GA.  The firewall is handling DHCP for my lan.  Users have started to lose the default gateway(the Firewall) randomly throughout the day.  I have to either reset the switch or the desktop network adapter in order to regain internet connectivity.  This does NOT happen to all users at the same time.

I updated to XG 115 SFOS 17.5.5 MR5 but the problem still exists.  This actually introduced another problem of not being able to access the gui from Sophos Central, but that's not as pressing.  Any thoughts on this would be appreciated.

Thanks

Larnel



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    Throwing my info here because it's happening to me. Copied a backup to a new hardware, with the latest firmware and I now have this issue which I did NOT have before on 16.0.5

    Imported backup to XG105w rev 3 (SFOS 17.5.7 MR-7) from previous hardware XG105 rev2 16.0.5

    This is honestly turning me away from Sophos XG this is disgusting.

    It's as if the development team is in shambles and run by 2 people, and one is working on other stuff.

    Almost all computers at a client site (45) lost their default gateway this morning and they had to reboot all of them. We have all kinds of models, HP, Dell, Lenovo etc. The only computers that it didn't happen for were one I had a fixed IP on and another that is a Lenovo desktop (DHCP). 98% are Windows 10, latest build. The one that kept the default gateway the Lenovo is also Windows 10 latest build though.

  • 0 in reply to apalm123

    I should also add that just maybe, it is maybe related, but at 6am this morning, I also got an email alert: What happened: Firewall lost connection to Sophos Central.

    But that shouldn't make default gateway dissapear on client machines. and the internet was up just fine when everyone got in around 8-8:30 but the computers weren't connecting because of the default gateway issue.

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  • 0 in reply to apalm123

    I should also add that just maybe, it is maybe related, but at 6am this morning, I also got an email alert: What happened: Firewall lost connection to Sophos Central.

    But that shouldn't make default gateway dissapear on client machines. and the internet was up just fine when everyone got in around 8-8:30 but the computers weren't connecting because of the default gateway issue.

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