Off the top of my head, I would try two things.

First set the idle-timeout value to it's highest value and define ALL
traffic to be interesting under the Dialer-List statements.  This should
keep the line up if you have ANY traffic flowing across the line.  You could
then setup a ping statement that sends one ping packet every 5 minutes or so
just to make sure some traffic is flowing.

I would also play with using the ISDN line as a backup interface.  With the
backup commands you can set the line to never go down once established.
Pick an interface, set the ISDN line as the backup to that interface.  Then
shutdown the interface, which will bring up the ISDN line.  Once the ISDN
connection is established you can restore the original interface.   You may
want to try backing up a loopback interface that you then place in shutdown
mode.  Have no idea if you can backup a loopback interface but it would be
interesting to try.

Of course both of these solutions are based upon the premise that there is
not a more elegant way by simply telling the router to "idle-timeout never"
or some other simple command I have not investigated.

Take care,

Paul Borghese


-----Original Message-----
From: Nahrajieh D.Anggaon <[EMAIL PROTECTED]>
To: Groupstudy. com (E-mail) <[EMAIL PROTECTED]>
Date: Wednesday, July 05, 2000 1:12 PM


>Hello,
>
>How do you disable "dialer idle-timeout" and set the DDR connection
>permanently? I want to permanently connect a DDR call to the isp for
>internet access. I read an info from CCO that say that if you use "no
dialer
>idle-timeout", the idle timeout will default to 120 seconds. I issued show
>dialer on the router and I can see that the dialer 0 has idle timeout set
to
>"120 seconds".
>How do I disable it? And get permanent connection.
>
>My isdn connection to the isp is not stable. So, I want that once connected
>using DDR, the connection will not timeout or be permanent.
>
>Any help is highly appreciated....
>
>Thanks a lot.
>
>Ajie
>
>
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