crypto isakmp key 1234 hostname DYNDNSNAME no-xauth

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Jul 31st, 2006
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I'm trying to establish a VPN Tunnel with a router having a dynamic IP. I'm using DDNS.


Using

"crypto isakmp key xxx hostname xxx no-xauth"

in my central cisco router (2811, IOS 12.4) i always get the error

"No pre-shared Key with (IPADDRESS of the router)"


If I use "

crypto isakmp key 1234 address (IPADDRESS of the router) no-xauth"

everything works fine.


Seems like the cisco is not resolving the DNS. But when I do a telnet on the cisco and a ping at DYNDNSNAME the Hostname is resolved and the ping works fine.


Any idea why it won't work?


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bbaley Fri, 08/04/2006 - 05:44
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Try debugging the crypto and provide some debugg information

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