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NAT POOL

Posted on 2011-03-18
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Last Modified: 2012-08-13
I know how to do a one for one static NAT on a cisco asa...But, how do I do a Nat Pool on a Cisco ASA for a /27 subnet?
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Question by:cisco_pro30
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7 Comments
 
LVL 35

Expert Comment

by:Ernie Beek
ID: 35166382
You mean from the in- to the outside or vice versa? You want outgoing traffic to be natted to multiple publics?
Could you elaborate?
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Author Comment

by:cisco_pro30
ID: 35166411
I have a inside /27 subnet that I want natted to one ouside address.  so one public natted to mutiple private (inside addresses)
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LVL 35

Accepted Solution

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Ernie Beek earned 2000 total points
ID: 35166546
Well, you can't NAT one public address to multiple private addresses. You can forward ports on a single public address to multiple private addresses though. If that's what you're looking for then use:
static (inside,outside) tcp outside_ip port_number inside_ip port_number netmask 255.255.255.255

So, for example forward WWW to one host and RDP to another:

static (inside,outside) tcp 1.2.3.4 80 192.168.1.1 80 netmask 255.255.255.255
static (inside,outside) tcp 1.2.3.4 3389 192.168.1.2 3389 netmask 255.255.255.255
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Author Comment

by:cisco_pro30
ID: 35166637
This was exactly what I was looking for...Thank you
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Author Closing Comment

by:cisco_pro30
ID: 35166642
Perfect answer
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LVL 35

Expert Comment

by:Ernie Beek
ID: 35166653
You're welcome. Don't forget to open the ports for the public address in the access-list as well :)
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LVL 35

Expert Comment

by:Ernie Beek
ID: 35166660
Thx, for the points :)
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