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cisco : ip nat outside (ping issue)

By proxystub ·
Hi there

recently went from an ADSL internet service to an IPVPN internet service.

Having issues with pinging the global ip provided by the new ISP WHEN "ip nat outside" is applied to the outside interface on my 2811 router.

When i dont attempt to do translation of inside lan ips to the outside global ip ie there is no "ip nat outside" on the outside interface i can ping the golbal ip from the routers cli and from the internet.

Once i apply "ip nat outside" i cant ping the ip from the routers CLI or see it from the internet. However my lan ips can access the internet just fine.

anyone have similar problems ?

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Repost as 'Q&A'

by HAL 9000 Moderator In reply to cisco : ip nat outside (p ...

Try reposting this in the 'Q&A' forum. The 'Discussion' forum is for matters of general discussion, not specific problems in search of a solution. The 'Water Cooler' is for non-technical discussions. You can submit a question to 'Q&A' here:

http://www.techrepublic.com/forum/questions/post?tag=mantle_skin;content

There are TR members who specifically seek out problems in need of a solution. Although there is some overlap between the forums, you'll find more of those members in 'Q&A' than in 'Discussions' or 'Water Cooler'.

Be sure to use the voting buttons to provide your feedback. Voting a '+' does not necessarily mean that a given response contained the complete solution to your problem, but that it served to guide you toward it. This is intended to serve as an aid to those who may in the future have a problem similar to yours. If they have a ready source of reference available, perhaps won't need to repeat questions previously asked and answered. If a post did contain the solution to your problem, you can also close the question by marking the helpful post as "The Answer". .

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Need to create a route or anything?

by seanferd In reply to cisco : ip nat outside (p ...

In general, are you using this the right way for what you want to achieve? Don't forget to use the ios diagnostic commands (like show ip route) to see what is occurring.
http://www.cisco.com/en/US/tech/tk648/tk361/technologies_tech_note09186a0080094837.shtml
http://www.cisco.com/en/US/tech/tk648/tk361/technologies_configuration_example09186a0080093f8e.shtml
http://www.google.com/search?&q=%22ip+nat+outside%22

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