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IPSec/GRE tunnel static-dynamic?

We use IPSec/GRE tunnels for some remote sites. We're now looking at deploying some smaller SOHO setups, however some of these sites will have dynamic IP addresses.

Does anyone have any config docs or is it possible to do a GRE/IPSec tunnel with the hub router as static and spoke router dynamic? It's important that we can use EIGRP across the tunnel thus requiring a GRE tunnel.

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Re: IPSec/GRE tunnel static-dynamic?

Hi,

There ia a way with Dynamic Multipoint VPN:

http://cisco.com/en/US/products/ps6350/products_configuration_guide_chapter09186a0080455c71.html

Another way is to use the Easy VPN server-Client connection type. Adding GRE over it, will ensure the keepalives will keep the tunnel up:

http://cisco.com/en/US/products/ps6635/products_white_paper09186a008063d0d7.shtml

Please rate if this helped.

Regards,

Daniel

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