IPSec / Crypto applied on ISDN Backup does not work

Unanswered Question
Jun 14th, 2008
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Hi,


When the Crypto Map with IPSec configuration is applied on the Dialer Interfaces between two Locations (Branch & Data Center) - I have noticed Branch Location's ISDN Dialer interface configured as the Backup for its E1 Leased Line is not establishing the Backup connection to the Data Center. The problem here is after the Crypto Map is applied on the Dialer Interface and when the Primary Leased Line fails, the Branch never places a call to the Data Center (verified on the Data Center router - sh isdn active / sh isdn history). Hence no IP / Layer 3 connectivity.


But when the Crypto Map is removed from the Dialer Interfaces. It all works fine, Branch successfully places a call to the Data Center and then IP Connectivity for forwarding the traffic.


Attached are the configuration of ISDN Backup and the IPSec / Crypto Map configuration of Branch & Data Center.


Please, REQUEST some one to help me solve this problem.


Regards,

Keshava Raju.



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keshavahp Tue, 06/17/2008 - 22:27
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Hi,


Please can anyone help me solving this problem.


Regards,

Keshava Raju

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