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New Member

ISDN dial backup

I am trying to determine if there is a way to cause a, ISDN dial backup circuit to timeout if there is no interesting traffic sent for a period of time. That is, have the ISDN dial backup activated when it sees interesting traffic, and then deactivated after the interesting traffic subsides.

Any suggestions would be appreciated.

Dan

  • Other Network Infrastructure Subjects
4 REPLIES

Re: ISDN dial backup

The idle-timeout is designed for this purpose.

Dialer idle-timeout (under bri or dialer interface).

New Member

Re: ISDN dial backup

Thanks, Shanky.

Bronze

Re: ISDN dial backup

Another thing to keep in mind is you may want to explicitly define what traffic is interesting. You don't want un-wanted traffic triggering the line or keeping it nailed up (routing updates, etc).

http://www.cisco.com/warp/public/471/idle_timeout.html#7

This doc shows some examples of idle timers and specifying interesting traffic.

Daniel

New Member

Re: ISDN dial backup

Thank you, Daniel. I had considered creating the appropriate ACL to define interesting traffic and applying it to the dialer list. Thank you for the link.

Dan

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