ISDN connectivity

Unanswered Question
Feb 25th, 2009
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Hi,


We have a new ISDN router Cisco 3845 connecting to Cisco 7600 Leased line router.We would like to use ISDN as backup.I have attached the network diagram.


Query:

1.Referring to diagram, what is the best way to configure interface A&B and C&D.Is it better to create an L3 port-channel or do we create the bridge group between A&B and C&D ?

2.How the routing will take place when the Leased line will go down if we use bridging between 3845 & 7600?


Rgds./Sack

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paolo bevilacqua Wed, 02/25/2009 - 13:30
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No, you never use bridging for backup.


Configuring backupo correctly can be tricky and require professionality.

Recommend you hire a certified/experienced person for the job.

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