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Activating port causes issues with web server and NAT publishing rules

I currently have my UTM device up and running well connected to one WAN circuit--a fiber line.    I am trying to get to the point where I can add a second WAN connection and do Uplink Balancing (have a post on this in the appropriate forum).  However, before I get to that point, simply putting in the new IP info on a new port and activating that port seems to cause all of my NAT publishing and web publishing rules to stop working.   As soon as I disable the port, everything starts working again.  Does anyone have any thoughts on this?

I have added additional networks/activated additional ports before, i.e. DMZ and it never causes any issues.   Not sure why in this case the problem is occurring.

Any thoughts would be greatly appreciated.

Thanks in advance. 



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  • Bob,

    At present I have the following:


    -A WAN connection with a /26 address
    -A DMZ network with a /24 address
    -A LAN Network with a /16 address


    all of these seem to work fine


    When I activate the interface in an attempt to spin up a second WAN connection with a /20 address everything seems to stop functioning.

    very puzzling, trying to get this going.

    any advice would be greatly appreciated.

    Thanks,
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