bailout DLCB is NULL - Cisco Community

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Hi.

when i do a incoming call i can read this with the debug.

029998: Nov 17 15:21:26.761 PCTime: ISDN BR0/0/0 SERROR: L2_Go: at bailout DLCB is NULL

L2: sapi 0 tei 127 ces 0 ev 0x3

When is outgoing , using "isdn test call interface bri 0/0/0 948xxxxxx

030033: Nov 17 15:24:24.401 PCTime: ISDN BR0/0/0 SERROR: isdn_get_display_text_from_gtd: false ret

030034: Nov 17 15:24:24.401 PCTime: ISDN BR0/0/0 SERROR: isdn_get_mlpp_from_gtd: MLPP from GTD failed

030035: Nov 17 15:24:24.401 PCTime: ISDN BR0/0/0 CC: CCBRI_Go: source id 0x500, state 0, call id 0x0, event 0x1

030036: Nov 17 15:24:24.401 PCTime: ISDN BR0/0/0 CC: CCBRI_Go: call id 0x8004 callref 0x0 state 1 event 0x1 Src->HOST

030037: Nov 17 15:24:24.401 PCTime: ISDN BR0/0/0 CC: ie_in_out_msg: message 0x80 ie = 0 ie_allowed =1

030038: Nov 17 15:24:24.401 PCTime: ISDN BR0/0/0 CC: ie_in_out_msg: message 0x80 ie = 3 ie_allowed =1

030039: Nov 17 15:24:24.401 PCTime: ISDN BR0/0/0 CC: ie_in_out_msg: message 0x80 ie = 5 ie_allowed =1

030040: Nov 17 15:24:24.401 PCTime: ISDN BR0/0/0 CC: ie_in_out_msg: message 0x80 ie = 7 ie_allowed =1

030041: Nov 17 15:24:24.401 PCTime: ISDN BR0/0/0 CC: ie_in_out_msg: message 0x80 ie = 8 ie_allowed =1

030042: Nov 17 15:24:24.401 PCTime: ISDN BR0/0/0 CC: ie_in_out_msg: message 0x80 ie = 9 ie_allowed =0

030043: Nov 17 15:24:24.401 PCTime: ISDN BR0/0/0 CC: ie_in_out_msg: message 0x80 ie = 10 ie_allowed =0

030044: Nov 17 15:24:24.401 PCTime: ISDN BR0/0/0 CC: ie_in_out_msg: message 0x80 ie = 12 ie_allowed =1

030045: Nov 17 15:24:24.401 PCTime: ISDN BR0/0/0 CC: ie_in_out_msg: message 0x80 ie = 26 ie_allowed =0

030046: Nov 17 15:24:24.401 PCTime: ISDN BR0/0/0 CC: ie_in_out_msg: message 0x80 ie = 15 ie_allowed =1

030047: Nov 17 15:24:24.401 PCTime: ISDN BR0/0/0 CC: ie_in_out_msg: message 0x80 ie = 16 ie_allowed =1

030048: Nov 17 15:24:24.401 PCTime: ISDN BR0/0/0 CC: ie_in_out_msg: message 0x80 ie = 17 ie_allowed =1

030049: Nov 17 15:24:24.401 PCTime: ISDN BR0/0/0 CC: ie_in_out_msg: message 0x80 ie = 19 ie_allowed =1

030050: Nov 17 15:24:24.401 PCTime: ISDN BR0/0/0 CC: ie_in_out_msg: message 0x80 ie = 21 ie_allowed =0

030051: Nov 17 15:24:24.401 PCTime: ISDN BR0/0/0 CC: ie_in_out_msg: message 0x80 ie = 22 ie_allowed =1

030052: Nov 17 15:24:24.401 PCTime: ISDN BR0/0/0 CC: ie_in_out_msg: message 0x80 ie = 23 ie_allowed =1

030053: Nov 17 15:24:24.401 PCTime: ISDN BR0/0/0 CC: ie_in_out_msg: message 0x80 ie = 24 ie_allowed =1

030054: Nov 17 15:24:24.401 PCTime: ISDN BR0/0/0 CC: ie_in_out_msg: message 0x80 ie = 25 ie_allowed =1

030055: Nov 17 15:24:24.401 PCTime: ISDN BR0/0/0 CC: ie_in_out_msg: message 0x80 ie = 4 ie_allowed =1

030056: Nov 17 15:24:32.401 PCTime: ISDN BR0/0/0 CC: CCBRI_Go: source id 0x300, state 1, call id 0x8004, event 0x341

030057: Nov 17 15:24:32.401 PCTime: ISDN BR0/0/0 CC: CCBRI_Go: call id 0x8004 call ref 0x3 state 6 event 0x91 Src->L3

030058: Nov 17 15:24:32.401 PCTime: ISDN BR0/0/0 **ERROR**: host_disconnect_ack: Unfound B-channel on Disconnect_Ack call id 0x8004

I check this with 4 ISDN terminal's

thanks

Alfonso

8 Replies 8

Which exact IOS is this?

If you deconfigure MGCP completely, can you make "test call" ?

Cisco IOS Software, 3800 Software (C3825-SPSERVICESK9-M), Version 12.4(3h), RELEASE SOFTWARE (fc2)

Technical Support: http://www.cisco.com/techsupport

Copyright (c) 1986-2007 by Cisco Systems, Inc.

Compiled Wed 25-Jul-07 19:43 by stshen

ROM: System Bootstrap, Version 12.4(13r)T, RELEASE SOFTWARE (fc1)

MUTILVACISCO3825 uptime is 1 day, 5 hours, 45 minutes

System returned to ROM by reload at 12:28:18 PCTime Fri Nov 16 2007

System restarted at 11:30:43 PCTime Fri Nov 16 2007

System image file is "flash:c3825-spservicesk9-mz.124-3h.bin"

About the other custion, when i deconfigure MGCP, then "test call" have the same error.

Hi,

Please upgrade to 12.4(17) mainline, or 12.4(11)XJ4, and try again.

Hi.

I upgrade to 12.4(17).

Now no error's en BRI interface, but have a new problem.

Then i do incoming call, the ip phone ring only 2 times and stop.

TEI for layer 2 is all time Up, Down, up down.

I wait your notices

Regrdas

Alfonso

Hi,

As I said before, that circuit appears defective to me.

You can enable "debug isdn q921" and "debug isdn q931", when making or receiving a call. Chances are, it will show again that the switch is disconnecting layer2.

hi.

debug :

001470: *Nov 19 21:24:51.739 PCTime: ISDN BR0/0/0 Q921: User RX <- UI sapi=0 tei=127

001471: *Nov 19 21:24:51.739 PCTime: ISDN BR0/0/0 Q931: SETUP pd = 8 callref = 0x27

Sending Complete

Bearer Capability i = 0x8890

Standard = CCITT

Transfer Capability = Unrestricted Digital

Transfer Mode = Circuit

Transfer Rate = 64 kbit/s

Channel ID i = 0x89

Calling Party Number i = 0x0183, '948741712'

Plan:ISDN, Type:Unknown

Called Party Number i = 0xA1, '948290007'

Plan:ISDN, Type:National

001472: *Nov 19 21:24:53.863 PCTime: ISDN BR0/0/1 Q921: User TX -> RRp sapi=0 tei=68 nr=0

001473: *Nov 19 21:24:53.867 PCTime: ISDN BR0/0/1 Q921: User RX <- RRp sapi=0 tei=68 nr=0

001474: *Nov 19 21:24:53.867 PCTime: ISDN BR0/0/1 Q921: User TX -> RRf sapi=0 tei=68 nr=0

001475: *Nov 19 21:24:53.875 PCTime: ISDN BR0/0/1 Q921: User RX <- RRf sapi=0 tei=68 nr=0

001476: *Nov 19 21:24:55.971 PCTime: ISDN BR0/0/0 Q921: User RX <- UI sapi=0 tei=127

001477: *Nov 19 21:24:55.971 PCTime: ISDN BR0/0/0 Q931: SETUP pd = 8 callref = 0x27

Sending Complete

Bearer Capability i = 0x8890

Standard = CCITT

Transfer Capability = Unrestricted Digital

Transfer Mode = Circuit

Transfer Rate = 64 kbit/s

Channel ID i = 0x89

Calling Party Number i = 0x0183, '948741712'

Plan:ISDN, Type:Unknown

Called Party Number i = 0xA1, '948290007'

Plan:ISDN, Type:National

001478: *Nov 19 21:24:57.371 PCTime: ISDN BR0/0/0 Q921: User RX <- UI sapi=0 tei=127

001479: *Nov 19 21:24:57.371 PCTime: ISDN BR0/0/0 Q931: SETUP pd = 8 callref = 0x26

Sending Complete

Bearer Capability i = 0x9090A3

Standard = CCITT

Transfer Capability = 3.1kHz Audio

Transfer Mode = Circuit

Transfer Rate = 64 kbit/s

Channel ID i = 0x8A

Progress Ind i = 0x8483 - Origination address is non-ISDN

Calling Party Number i = 0x0183, '948187558'

Plan:ISDN, Type:Unknown

Called Party Number i = 0xA1, '948290007'

Plan:ISDN, Type:National

001480: *Nov 19 21:24:58.855 PCTime: ISDN BR0/0/1 Q921: User RX <- DISCp sapi=0 tei=68

001481: *Nov 19 21:24:58.855 PCTime: %ISDN-6-LAYER2DOWN: Layer 2 for Interface BR0/0/1, TEI 68 changed to down

001482: *Nov 19 21:24:58.855 PCTime: ISDN BR0/0/1 Q921: User TX -> UAf sapi=0 tei=68

001483: *Nov 19 21:24:58.859 PCTime: ISDN BR0/0/1 Q921: L2_EstablishDataLink: sending SABME

001484: *Nov 19 21:24:58.859 PCTime: ISDN BR0/0/1 Q921: User TX -> SABMEp sapi=0 tei=68

001485: *Nov 19 21:24:58.871 PCTime: ISDN BR0/0/1 Q921: User RX <- UAf sapi=0 tei=68

001486: *Nov 19 21:24:58.871 PCTime: %ISDN-6-LAYER2UP: Layer 2 for Interface BR0/0/1, TEI 68 changed to up

001487: *Nov 19 21:25:01.143 PCTime: ISDN BR0/0/1 Q921: User RX <- UI sapi=0 tei=127

001488: *Nov 19 21:25:01.143 PCTime: ISDN BR0/0/1 Q931: SETUP pd = 8 callref = 0x0F

Sending Complete

Bearer Capability i = 0x8890

Standard = CCITT

Transfer Capability = Unrestricted Digital

Transfer Mode = Circuit

Transfer Rate = 64 kbit/s

Channel ID i = 0x89

Calling Party Number i = 0x0183, '948741712'

Plan:ISDN, Type:Unknown

Called Party Number i = 0xA1, '948291374'

Plan:ISDN, Type:National

001489: *Nov 19 21:25:01.147 PCTime: ISDN BR0/0/1 Q921: User TX -> INFO sapi=0 tei=68, ns=0 nr=0

001490: *Nov 19 21:25:01.147 PCTime: ISDN BR0/0/1 Q931: RELEASE_COMP pd = 8 callref = 0x8F

Cause i = 0x80C1 - Bearer capability not implemented

001491: *Nov 19 21:25:01.163 PCTime: ISDN BR0/0/1 Q921: User RX <- RR sapi=0 tei=68 nr=1

001492: *Nov 19 21:25:01.487 PCTime: ISDN BR0/0/0 Q921: User RX <- UI sapi=0 tei=127

001493: *Nov 19 21:25:01.487 PCTime: ISDN regards

Hi,

for the first call, the switch is disconnecting L2 without apparent reason:

001480: *Nov 19 21:24:58.855 PCTime: ISDN BR0/0/1 Q921: User RX <- DISCp sapi=0 tei=68

The last call was placed for "unrestricted digital" so I don know who was being called, but if a voice device, is normal that the switch responds "bearer capability no implemented".

Sorry if I can help you more, but it seems to me there is MGCP involved and that makes everything more difficult.

i have more information.

0x82E6333033 - Recovery on timer expiry

Now, this is de q931 debug

| Q.931 message = 08013A05A104038090A31801816C0B0183393438323335323530700AA13934383135333130387D029181

000204: *Nov 20 09:22:15.471 PCTime: ISDN BR0/0/0 Q931: RX <- DISCONNECT pd = 8 callref = 0x3A

Cause i = 0x82E6333033 - Recovery on timer expiry

000205: *Nov 20 09:22:15.471 PCTime:

can you help me again??

Regards

alfonso

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