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How to publish static ARP entries with multiple WAN subnets from ISP

JSeiler

Hi Everyone

Working on a bit of an odd situation here.  Trying to find out a way to set up multiple subnets on the WAN interface for NAT.  I have tried all the usual items such as 'additional interfaces', vlans and just directly creating the D/SNAT statements and nothing works.  What the ISP is telling me is that they need a different MAC address for each of the addresses outside what is assigned to the WAN intererface.  

IE: First range is 12.12.12.x /24, with the UTM at 12.12.12.12.  All addresses work fine on this network for NAT.  But I need to create an address in the second network of 14.14.14.x /24, and here is where the problem.  

They provided a link below to the sonicwall setup, but I see no way to create a radomly generated MAC address for this new entry. 

 

https://www.sonicwall.com/support/knowledge-base/configuring-multiple-wan-subnets-using-static-arp-with-sonicos-enhanced/170503911164326/

 

Thoughts?

 

Thanks



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