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We have an XTM 515 Firewall in our company and are in Lync 2013 implementation phase.

For the Edge Server we need 3 different IP addresses. Our ISP provided 8 addresses in 2 different subnets. For example:

The router configuration provides all IP addresses of the net on interface 1 to the XTM.

The second Network is routed to the first IP address of Interface 1 (

Now we want to assign all public IPs of to the EDGE Server config.

Do you have a configuration example for this Scenario?

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If you have two separate blocks from your ISP, setup another interface as External and assign that block to it. Then setup your 1-to-1 forwarding to your internal servers. –  DanBig Dec 4 '13 at 16:36

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