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Multiple Static NAT Statements for the Same Inside Address

I'm looking to provide access to the same VPN device for our corporate users from two different ISPs. What I am wanting to do is to configure one inside address with two static NAT statements on a 3620 router running Enterprise IOS (12.1(3)T)-- one each per an ISP address. So, my router has Serial 0 connected to 1.1.1.0/24 and Serial 1 connected to 2.2.2.0/24. The third internal interface is connected to 192.168.1.0/24. I want address 1.1.1.2 to map to 192.168.1.2 and address 2.2.2.2 to map to 192.168.1.2. Is there a way to make this happen with IP NAT statements? I keep getting "192.168.1.2 already mapped (192.168.1.2 -> 1.1.1.2)" when I apply more than one inside static statement. Any suggestions would be greately appreciated!!!

TIA! Dustin

  • Other Network Infrastructure Subjects
3 REPLIES
New Member

Re: Multiple Static NAT Statements for the Same Inside Address

I was trying to do the same thing. I finally found that the function is supported in a later version of IOS.

Unfortunatly, my 4000 would not run the version, so I did not pursue it, but I beleive it might have been 12.1.4 or something like that.

New Member

Re: Multiple Static NAT Statements for the Same Inside Address

Any chance you kept links or other notes describing how to implement it?

New Member

Re: Multiple Static NAT Statements for the Same Inside Address

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