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UTM 9.3 would not work with my production network

Good day folks, i have this challenge trying to integrate utm 9.3 trail version at least for 30 days for testing purpose. I finished installation on a vm, the plan to test on my production network which have cisco managed switch. The switch is configured with dhcp on three vlans. The switch connect to a cisco router as its default gateway. However this time i want to replace the router with a utm 9.3 appliance. Configured the basic settings on the appliance including the default gateway of the router now on the appliance. Plugged in the appliance on the network hoping for the best but unfortunately my internal network cannot access the internet. Thought that being on a vm could be the problem hence i installed on a physical box but i got same result. Tried all troubleshooting procedures yet to no avail. Even tried the bridge mode, same thing. How do i get this to work without altering my existing network configuration? Thank you



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  • Hi, Lawrence, and welcome to the UTM Community!

    The two most common errors are not creating a masquerading rule and not assigning the default gateway to the external interface. Any luck with either of those?

    Cheers - Bob
     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
  • Hi, Balfson, there is a masquerading rule as "internal network - external network". Is that what you mean? As for default gateway, i have assigned to the external interface i.e the router's address. So i don't know what i have not done right.
  • If the problem isn't evident from looking at the Firewall log, 'Use rich formatting and insert a picture of your interfaces.

    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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  • If the problem isn't evident from looking at the Firewall log, 'Use rich formatting and insert a picture of your interfaces.

    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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