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ADSL PPoE failover to ISDN

Has anyone configure the ADSL PPoE failover to isdn line b4 on an C1721.Cud pls advise and post config will be appreciated.

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Re: ADSL PPoE failover to ISDN

You can use the following link to configure ISDN as backup and it will work

http://www.cisco.com/warp/public/123/backup-main.html

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