RE: serial channels not available = busy signal after cold boot

From: Dave VanAuken (dave@hawk-systems.com)
Date: Thu May 24 2001 - 15:06:24 EDT


The AS5300 was only down for about 5 seconds... he waltzed in, said
"what does this do" turned it off, then back on... sounds like a bad
joke doesn't it.

Here is the output from "debug isdn q921" during an attempted call.
I deleted the NAS config file from below for size consideration, you
can retrieve it from the previous post if needed.

Greek to me, any ideas?

May 24 13:03:07.007: ISDN Se0:23: TX -> RRp sapi = 0 tei = 0 nr = 26
May 24 13:03:07.015: ISDN Se0:23: RX <- RRf sapi = 0 tei = 0 nr =
26
May 24 13:03:17.015: ISDN Se0:23: TX -> RRp sapi = 0 tei = 0 nr = 26
May 24 13:03:17.023: ISDN Se0:23: RX <- RRf sapi = 0 tei = 0 nr =
26
May 24 13:03:19.299: ISDN Se0:23: RX <- INFOc sapi = 0 tei = 0 ns =
26 nr =
26 i =
0x080202670504038090A21803A983866C0C218339303537323539303834700BA13930
35
37323833333839
May 24 13:03:19.299: ISDN Se0:23: TX -> RRr sapi = 0 tei = 0 nr =
27
May 24 13:03:19.299: %ISDN-6-CHAN_UNAVAILABLE: Interface Se0:23
Requested Channe
l 6 is not available
May 24 13:03:19.303: ISDN Se0:23: TX -> INFOc sapi = 0 tei = 0 ns =
26 nr =
27 i = 0x080282675A080380AC18
May 24 13:03:19.311: ISDN Se0:23: RX <- RRr sapi = 0 tei = 0 nr =
27
May 24 13:03:29.311: ISDN Se0:23: TX -> RRp sapi = 0 tei = 0 nr = 27
May 24 13:03:29.319: ISDN Se0:23: RX <- RRf sapi = 0 tei = 0 nr =
27

>-----Original Message-----
>From: Scott Madley [mailto:scott.madley@cbeyond.net]
>Sent: Thursday, May 24, 2001 2:46 PM
>To: George Robbins; cisco-nsp@puck.nether.net; dave@hawk-systems.com
>Subject: RE: serial channels not available = busy signal
>after cold boot
>
>
>That is probably what happened. LEC's like to turn circuits
>down after 20 or
>so minutes of failure.
>
>Do a debug isdn q.921, that will give you the appropriate D
>channel debug
>information, and more then likely help you out with
>determing the root-cause
>of the problem.
>
>-Scott
>
>> -----Original Message-----
>> From: George Robbins [mailto:grr@shandakor.tharsis.com]
>> Sent: Thursday, May 24, 2001 2:40 PM
>> To: cisco-nsp@puck.nether.net; dave@hawk-systems.com
>> Subject: Re: serial channels not available = busy signal
>> after cold boot
>>
>>
>> Check with the telco to make sure that they didn't turn down the
>> ISDN BRI interface when there was an apparent circuit problem.
>>
>> Check that your t1 controlllers show up and not looped.
>>
>> George
>>



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