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How to use the extra /29 subnet that was routed to my dynamic ip address from my provider on DSL

Medium Priority
Last Modified: 2012-05-06
I'm currently using an Astaro Security Gateway as my firewall. It currently picks up it's external IP address dynamically, but it's always the same
I requested my ISP to assign me some more ip's so they "routed" a /29 to my external IP address
The problem I'm having is that the subnet they forwarded is completely different my external IP. so I'm not sure how I can use it to do NAT.

Any ideas what I have to do on my firewall in order to use this subnet??
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