E1 conenction is showing Deactivated

[sankarapuv]

HI

I need a help in E1 conenction is showing Deactivated.

Here is the scenario, where E1 conenction is connected to a pbx using Qsig.

The output are showing as below

Global ISDN Switchtype = primary-qsig

ISDN Serial2/0:15 interface

        dsl 0, interface ISDN Switchtype = primary-qsig

         **** Slave side configuration ****

    Layer 1 Status:

        DEACTIVATED

Layer 2 Status:

        TEI = 0, Ces = 1, SAPI = 0, State = TEI_ASSIGNED

    Layer 3 Status:

        0 Active Layer 3 Call(s)

#sh controller E1

E1 2/0 is up.

  Applique type is Channelized E1 - balanced

  Description: VOIP|Ericsson MD110|E1 ISDN|Y|||EQU-1-3-00|||V13|

  No alarms detected.

Any help is more appriciated.

Thanks

venkat.

[Suresh Subramanian]

Venkat,

you can follow this document to troubleshoot the T1/E1

http://www.cisco.com/en/US/tech/tk713/tk628/technologies_tech_note09186a00800a754a.shtml

HTH

~ Suresh

[sankarapuv]

Thanks Suresh, i followed the documents, but no luck, Even we check the cable connectivity its good,

[Aman Soi]

Hi Venkat,

Is your EPABX side configured for Master?

please check.

Can u  share the VG config ?

regds,

aman

[sankarapuv]

HI Aman,

Yest PBX side is configured as MASTER, i am sorry due to some restrictions i cannot paste all the configuration here.

[Aman Soi]

Hi,

What is the router model u areusing and protocol [H.323/MGCP]?

if possible, please share controller and serial config.

regds,

aman

[sankarapuv]

version is Version 15.1(4)M1 - H.323.

sh controller E1

E1 2/0 is up.

  Applique type is Channelized E1 - balanced

  Description: VOIP|Ericsson MD110|E1 ISDN|Y|||EQU-1-3-00|||V13|

  No alarms detected.

  alarm-trigger is not set

  Framing is CRC4, Line Code is HDB3, Clock Source is Line.

  International Bit: 1, National Bits: 11111

  Linestate Debounce is disabled

  Active xconns: 0

  Data in current interval (642 seconds elapsed):

     0 Line Code Violations, 0 Path Code Violations

     0 Slip Secs, 2 Fr Loss Secs, 0 Line Err Secs, 0 Degraded Mins

     2 Errored Secs, 0 Bursty Err Secs, 1 Severely Err Secs, 0 Unavail Secs

  Total Data (last 24 hours)

     15397 Line Code Violations, 0 Path Code Violations,

     177 Slip Secs, 0 Fr Loss Secs, 3 Line Err Secs, 0 Degraded Mins,

     177 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 2294 Unavail Secs

Serial2/0:15 is down, line protocol is down

  Hardware is VXB-2TE1+

  Description: VOIP|Ericsson MD110|E1 ISDN|Y|||EQU-1-3-00|||V13|

  MTU 1500 bytes, BW 64 Kbit/sec, DLY 20000 usec,

     reliability 255/255, txload 1/255, rxload 1/255

  Encapsulation HDLC, crc 16, loopback not set

  Keepalive set (10 sec)

  Last input 00:13:20, output never, output hang never

  Last clearing of "show interface" counters 2d14h

  Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0

  Queueing strategy: weighted fair

  Output queue: 0/1000/64/0 (size/max total/threshold/drops)

     Conversations  0/1/16 (active/max active/max total)

     Reserved Conversations 0/0 (allocated/max allocated)

     Available Bandwidth 48 kilobits/sec

  5 minute input rate 0 bits/sec, 0 packets/sec

  5 minute output rate 0 bits/sec, 0 packets/sec

     10 packets input, 50 bytes, 0 no buffer

     Received 0 broadcasts (0 IP multicasts)

     0 runts, 0 giants, 0 throttles

     0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort

     10 packets output, 50 bytes, 0 underruns

     0 output errors, 0 collisions, 0 interface resets

[Aman Soi]

Hi,

Can u try changing the CRC-4 to framing no-crc-4?

If possible, try changing from H.323 to MGCP?please refer the DOC.

http://www.cisco.com/en/US/solutions/collateral/ns340/ns414/ns728/ns784/703946.pdf

regds,

aman

[sankarapuv]

Hi Aman,

Thanks for helping, yes i tried changing from CRC4 - no CRC4, however no luck.

I cannot change from H.323 to MGCP, there is no Cisco call manager. and router is in production can do that now.

[Marc Richter]

Well "Serial2/0:15 is down, line protocol is down" indicates that there's not even the Layer 1 working. So are you really sure the cables are working properly?

Do you have a loopback cable to test the interface card, so we're sure the card is working properly?

If there'd been CRC4 errors the E1 2/0 would be down too.

[sankarapuv]

Thanks Marc,

Yes i did the loopback cable test to on the interface card, here is the logs i took from voice gateway.

Jun 14 03:36:26.008 UTC: ISDN Se2/0:15 Q921: L2_EstablishDataLink: sending SABME

Jun 14 03:36:26.008 UTC: ISDN Se2/0:15 Q921: User TX -> SABMEp sapi=0 tei=0

Jun 14 03:36:26.008 UTC: ISDN Se2/0:15 Q921: User RX <- BAD FRAME(0x00017F)

Jun 14 03:36:27.008 UTC: ISDN Se2/0:15 Q921: User TX -> SABMEp sapi=0 tei=0

Jun 14 03:36:27.008 UTC: ISDN Se2/0:15 Q921: User RX <- BAD FRAME(0x00017F)

Jun 14 03:36:28.004 UTC: ISDN Se2/0:15 Q931: L3_ShutDown: Shutting down ISDN Layer 3

Jun 14 03:36:28.004 UTC: ISDN Se2/0:15 Q931: Ux_DLRelInd: DL_REL_IND received from L2

[Aman Soi]

Hi,

Can u share the output of network-clock from router?

regds,

aman

[sankarapuv]

sh network-clocks

Priority 1 clock source: not configured

Priority 2 clock source: not configured

Priority 3 clock source: not configured

Priority 4 clock source: not configured

Priority 5 clock source: Local oscillator

Current clock source:Local oscillator, priority:5

[paolo bevilacqua]

You need to configure ISDN network side, thing for which you can search about.

[sankarapuv]

Hi Paolo,

i configured the controller as the isdn network side i didnt find any changes.