ISDN Multilink ( Problem to bring 2nd channel up )

From: Yasser Aly (blackyeyes00@hotmail.com)
Date: Fri Jan 23 2004 - 20:49:57 GMT-3


Dear All,

  In the scenario I am working on, the task askes to bring both B channels
once the main link fails

I am having troubles in bringing the 2nd link up - sometimes it takes long
time to come up, sometimes it doesn't come up at all -. I have applied "
dialer load-threshold 1 either & ppp multilink " under the bri.

Would you kindly provide your thoughts for the following questions and
whether any would solve the problem:

1) Will it make a difference if I used under the BRI " dialer string
<remote_number> rather than using
dialer map ip <remote_ip> broadcast <remote_number> ?

2) The ISDN switch type is basic-ni. Do I need to define both SPID numbers ?
I heard before that it is generally speaking not needed at all to define the
2nd SPID number ?
Is this true, and if so then when to define the 2nd SPID number ?

3) Will it make a difference using dialer profiles than using Legacy DDR ?

Regards,
Yasser



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