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Sophos UTM - No internet after restart

Aren Kern

Hello,

First time poster so forgive any mistakes but I am having trouble whenever I restart my UTM.  If I do a restart, my devices on the network cannot access the internet.  It will show me "State = Down, Link = Up".  There is nothing wrong with my cable modem.  I usually solve this by restarting and restarting the UTM over the course of a day or so, and one of those times it comes back up.  Is there any way I can check what is going on?  Anyone have any ideas?

I should state that this is a new issue.  I had my UTM and cable modem in a different part of the house and never had an issue after a restart.  But did some re-arranging and moved the location. This only started once I moved both the cable modem and the UTM.  (I can't see why that would cause an issue)

I am using:

  • Sophos UTM 9.703.3 - on an old min-pc (Zotac)
  • One internal NIC (eth0) - connects to switch
  • External NIC (eth1) - via USB port connects to cable modem (TPLINK)

 

Thanks!



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    Hi Aren and welcome to the UTM Community!

    This sounds like a problem between the cable modem and the outside world.  I'd first try unscrewing both ends of the cable connecting it to the wall and then reconnecting it. No luck?  Try a different cable.  Still no luck?  Try moving the setup back to where you had it.  Still no luck?  Go around the Cox modem and replace it with a Motorola.  Please let us know if any of that worked.

    Cheers - Bob

     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
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  • 0

    Hi Aren and welcome to the UTM Community!

    This sounds like a problem between the cable modem and the outside world.  I'd first try unscrewing both ends of the cable connecting it to the wall and then reconnecting it. No luck?  Try a different cable.  Still no luck?  Try moving the setup back to where you had it.  Still no luck?  Go around the Cox modem and replace it with a Motorola.  Please let us know if any of that worked.

    Cheers - Bob

     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
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