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New Member

VPN between 2 dynamic ip

Hi,

I have 2 branch with dynamic ip connected to HQ with static ip , the connection between 2 branch and HQ is ok , but the problem I need establish VPN tunnel between 2 branches with dynamic ip , i try normal IPSec tunnel but no luck , only work if I add set peer the active ip on time .

As there any way to connect it via dynamic. Ip or it's possible via the HQ ?

Best Regards

Marwan Urabi

Sent from Cisco Technical Support iPhone App

2 REPLIES
Cisco Employee

VPN between 2 dynamic ip

Multiple ways exists. The most common would be to use DMVPN or NHRP in any other way to resolve dynamically the endpoints.

There are also solutions based on IPsec and dynamic DNS services example:

http://isamology.blogspot.com/2010/09/ios-lan-to-lan-with-two-dynamic-peers.html

New Member

Re: VPN between 2 dynamic ip

thanks Mr.Marcin.

it's support on all IOS router , the 2 branch have 1751 routers IOS 12.4 ?

for link you send it , i have same config at 2 branch , but not work , work only if i add one more set peer with IP no hostname

can you explain littlie sample for DMVPN

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