PAT using a network number?

Unanswered Question
Feb 12th, 2007

What does it mean when you have a network number as the PAT address?

Will it work?

I have this problem too.
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rleivaoc Mon, 02/12/2007 - 22:55

What are you trying to do on the firewall? Can you give more details?

huangedmc Tue, 02/13/2007 - 18:14

I'm not trying to change anything, but just want to understand why our NAT/PAT is set up this way by my predecessors:

global (outside) 1 128.230.236.1 - 128.230.236.254

global (outside) 1 128.230.236.0

I understand the first line is for NAT, and the second is for PAT. What I don't understand is why you can use a network address as the PAT IP.

Can anyone please explain? thanks.

huangedmc Wed, 02/14/2007 - 15:59

"Using network address is not possible with Global."

I know.

The entry is there already, and I'm asking how in hell could someone have done it on the Pix w/o getting rejected.

huangedmc Sat, 02/17/2007 - 07:14

Turns out that PAT IP isn't a network address after all...after double checking the netmask, it's a valid IP address in the middle of a really large subnet.

Nevermind.

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