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Disabling NAT Cisco 887VAG

Hi 
 
The attached config is configured on our cisco 887VAG. We are able to establish  connect with our ISP (Vodafone Ghana) when NAT is enable on the ATM0.1 interface. But are not able to establish connection when NAT is disabled using the  same configuration.
 
We want to use the device as ADSL modem only, without any NAT configuration. The public IP issued by our ISP is197.251.215.81/29. We want to use 197.251.215.81/29 to establish a WAN connection with our ISP, while the others (197.251.215.82 –197.251.215.86) will be use on our dedicated servers.
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Duplicate posts.  Go here:

Duplicate posts.  


Go here:  http://supportforums.cisco.com/discussion/12193801/disabling-nat

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