Solved: HWIC-3G-GSM - Cisco Community

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Hello,

I want to configure a router 1841 with a HWIC-3G-GSM to do a backup of the primaire line. This backup 3G will be used with a ipec tunnel to an other router 1841. The ip address of the 3G is a dynamic ip address, there is a system like dynamic Dns to make a Ipsec Tunnel with a dynamic ip address?

Thanks and regards

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Accepted Solutions

Yes. You to apply both of these configs:

http://www.cisco.com/en/US/docs/ios/12_3/12_3y/12_3ya8/gt_ddns.html

and

http://www.cisco.com/en/US/docs/ios/12_3t/12_3t4/feature/guide/gtrlres.html

Hope this helps, please rate post if it does!

View solution in original post

3 Replies 3

Yes. You to apply both of these configs:

http://www.cisco.com/en/US/docs/ios/12_3/12_3y/12_3ya8/gt_ddns.html

and

http://www.cisco.com/en/US/docs/ios/12_3t/12_3t4/feature/guide/gtrlres.html

Hope this helps, please rate post if it does!

Thanks.

You can also setup aggressive mode ipsec tunnels.

http://kkocaer.wordpress.com/2008/05/17/3g-cisco-hwic-with-wan-backup/

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