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Need help with nonat

 
 
evolution.of.rod@gmail.com
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      11-14-2005
I have a network that will be doing PAT on the pix to get to the
internet. The internal addresses are controlled by our network, so I
want to route the internal block away from PAT when they are accessing
our VOIP system and not the internet. VOIP will not work through NAT in
this scenario...so I need it to bypass NAT altogether and just access
172.16.100.1/24 directly.

right now

ip address 64.x.x.x 255.255.255.252
ip address inside 172.16.1.1 255.255.255.0
global (outside) 1 interface
nat (inside) 1 0.0.0.0 0.0.0.0 0 0
route outside 0.0.0.0 0.0.0.0 64.x.x.x 1

This allows all traffic internall to be PATd to 64.x.x.x and go out to
the internet.
Let's say the VoIP server is on the 172.16.100.1/24 network.

How can I get all traffic from 172.16.1.1.24 to go direct to
172.16.100.1/24 without being NATd. Just direct access?

Any help would be greatly appreciated.

 
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Walter Roberson
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      11-14-2005
In article <(E-Mail Removed) .com>,
<(E-Mail Removed)> wrote:
[PIX]

;VOIP will not work through NAT in
;this scenario...so I need it to bypass NAT altogether and just access
;172.16.100.1/24 directly.

>How can I get all traffic from 172.16.1.1.24 to go direct to
>172.16.100.1/24 without being NATd.


access-list voip_nonat_acl permit ip 172.16.1.0 255.255.255.0 172.16.100.0 255.255.255.0
nat (inside) 0 access-list voip_nonat_acl
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Is there any thing whereof it may be said, See, this is new? It hath
been already of old time, which was before us. -- Ecclesiastes
 
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