Why do we need to assign ip for the D channel ISDN-PRI

Unanswered Question
Nov 15th, 2007

Why do we need to assign ip address to the D channel (signaling ) when we configure ISDN-PRI in the example below :

http://www.cisco.com/univercd/cc/td/doc/product/access/ap/ap_ts3/ap_ts3sw/apswisd.htm

<quote>

Step 1:Specify the D channel of the first Primary Rate Interface (PRI):

AS01(config)# interface Serial 0:23

AS01(config-if)#

Step 2: Assign an IP address and subnet mask to the interface:

AS01(config-if)# ip address 172.16.254.253

</quote>

Regards

I have this problem too.
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Paolo Bevilacqua Thu, 11/15/2007 - 14:35

You can assing one there, and / or on dialer interfaces. It depends on what you are doing.

These will be the address used by PPP when it runs on the B-channels.

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