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Multiple IP addresses to single WAN adapter

Ed R
Hello All,

I have a DSL line with single IP address directly to my UTM9 (UTM is doing the PPPoE). Now I want to route an extra subnet to the same WAN adapter, a so called routed IPv4 subnet (see ExtraIP - Extra publieke IP addressen voor uw servers of Internet verbinding). How do I have to configure this in my UTM?

Thanks in advance.
Regards, Ed.


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  • 0
    Hi, you have 2 choices:

    1. add all of the extra addresses to the WAN NIC as 'Additional Addresses'
    Then you have to DNAT each address into your DMZ if you have incoming traffic on them.

    2. put the new subnet in a (new) DMZ.

    I strongly prefer #2 as it does not need any NAT or MASQ at all.

    Barry
  • 0 in reply to BarryG
    Hi Barry,

    Thanks for your reply. I missed that button (Additional Addresses) in the past. So I can set the extra subnet here and connect it to tha WAN adapter, that's easy. However you recommend to create a new DMZ and put the subnet in. How can I do that?

    Thanks.

    Ed.
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  • 0 in reply to BarryG
    Hi Barry,

    Thanks for your reply. I missed that button (Additional Addresses) in the past. So I can set the extra subnet here and connect it to tha WAN adapter, that's easy. However you recommend to create a new DMZ and put the subnet in. How can I do that?

    Thanks.

    Ed.
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