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Community Member

Simple NAT Translations

The situation: I was told to use this ASA 5505 and set it up to do simple NAT traslations between the LAN and the server. I need to be able to configure several NAT translations, and looking for best method to do so.

What i need to do is translate these IPS like such:

172.16.1.13<>10.10.10.10

172.16.1.13<>10.10.10.11

172.16.1.221<>10.10.10.10

172.16.1.221<>10.10.10.11

Obviously, im having conflicting IPs and its not letting me set up the translations.

Do I need to set up a global pool, if so how would I do that?

Also, the IP of the device was changed to 16.1.44, so its not letting me use any ips underneath the range.

2 REPLIES
Cisco Employee

Re: Simple NAT Translations

Hi,

You can try to configure policy nat. That way you can map the same internal host to two different ip addresses. Here is the link with the explanation. I hope it helps

http://www.cisco.com/en/US/products/ps6120/products_configuration_example09186a008046f31a.shtml

thanks,

Itzcoatl Espinosa

Re: Simple NAT Translations

i have question if you have the same ip 10.10.10.10 maped to

two diffrent IPs how the ASA will kow which IP to which IP need to be maped

this is only valed if you use statc PAT

for example www traffic to 10.10.10.10 will translated to 172.16.1.13

and smtp traffic to 10.10.10.10 will translated to 172.16.1.221

in this case you can do it and more reasnable

good luck

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