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problem with multiple alias on WAN

We have the following issue.

We're migrating from cisco asa to XG. The two firewall are installed side-by-side and we're moving published services on at time by removing the public ip address from the Cisco ASA and adding them as Alias on the WAN interface of the XG .

We ran into the following issue .

We started adding one alias to XG and all worked fine, after we created the rules on XG for publishing the server behind the ALIAS .

Then we added a new ALIAS to WAN interface but found that id didn't work.

After some research we found the on the cisco asa there was an ARP entry ( dynamic ) only for the primary WAN interface IP and the first Alias we created .

It looks like additional aliases didn't set the ARP .

Adding a static ARP on the CIsco asa for the additional ALIASES solved the issue , but it looks to me it should not be needed

thanks



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