From: Chris Lewis (chrlewiscsco@yahoo.com)
Date: Sat Dec 03 2005 - 14:35:09 GMT-3
Doyle covers this very well in his book. The short answer is extenable allows you to translate one outside address to multiple inside addresses.
For example you can have one IP address on the outside translated to multiple servers on the inside based off port ID, so with one external address you can have a separate internal address for HHTP (translates port 80 to only this server), a different server for SMTP and yet another for FTP.
Israel Gonzalez <israelgq@gmail.com> escribis:
Hello everybody,
Somebody can help me with this clarification? I was configuring static NAT
on a router and i noticed that there is an option called "extendable". I
looked this option in the doc cd but the explanation is not so clear. So I
would like to know if somebody can help to understand what is the difference
between using it and not using this option
ip nat inside source static tcp 192.168.1.2 80 10.103.1.1 80
ip nat inside source static tcp 192.168.1.2 80 10.103.1.1 80 extendable
Thanks!
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