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Two Public IPs Static Nat to one Internal Private IP?

Cisco had a feature in 6.3 that allowed for the mapping of two public IPs to a single private IP. Cisco TAC says that with version 7, that is not possible. I upgraded a customer to an ASA from a 515E that was using this feature and then it broke and their network is down. Is there anyway to be able to do this?

I am looking at this documentation and you can under static PAT configure a single IP address externally that maps to multiple servers internal but they have to be on different ports. http://www.cisco.com/en/US/docs/security/asa/asa71/configuration/guide/cfgnat.html

This customer has two web servers running on the same server with a single IP address. Is there a way to do this with a DNS name?

5 REPLIES

Re: Two Public IPs Static Nat to one Internal Private IP?

Hi,

You probably would need port Redirection forwarding.

Refer to this link and look into port redirection scenario.

http://www.cisco.com/en/US/products/hw/vpndevc/ps2030/products_tech_note09186a00804708b4.shtml#t11

New Member

Re: Two Public IPs Static Nat to one Internal Private IP?

hi patrick...

did you ever resolve this issue?...we actually ran into this when we upgraded our PIX to 7.X...

thanks in advance

New Member

Re: Two Public IPs Static Nat to one Internal Private IP?

So long ago now I think I had the customer map to two separate addresses.

New Member

Re: Two Public IPs Static Nat to one Internal Private IP?

man, thanks for the fast reply back...yeah, that is what i figured the only way to do it...

thanks again!

Re: Two Public IPs Static Nat to one Internal Private IP?

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