877w Wont Sync

Unanswered Question
Jun 19th, 2009
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I have an issue with an Cisco 877w where is wont sync with the line card in a BT exchange. It goes into a repeating up / down cycle and has been doing this now for several days. I have tried multiple adsl firmware's but none have worked. does anyone have any ideas. I dont have the config avilable but the config was working for 3 weeks prior to this occuring.


00:13:09: ATM0: atmsar_bringup_interface: Interface and atm_db flags are UP

00:13:11: ATM: Repapulate, ATM0

00:13:11: ATM: PVC activated, ATM0 VCD 1 (0/38)

Jun 18 12:32:08: %LINK-3-UPDOWN: Interface ATM0, changed state to up

00:13:11: atmsar_atm_lineaction(ATM0): state=4

Jun 18 12:32:09: %LINEPROTO-5-UPDOWN: Line protocol on Interface ATM0, changed state to up

00:13:14: DSL(ATM0): Defect: LCDi: retraining

00:13:16: ATM0: atmsar_1a_setup_vc, vcinfo = 0x85A2FE48

00:13:16: ATM0 atmsar_vc_setup: vcd 1

00:13:16: Fill up paramaters for PVC 0/38[1] - Request for CoS 0 PCR 0 SCR 0 MCR 0 Available 832

00:13:16: Scheduler parameters for 0/38. Type UBR. PCR 832

00:13:16: Total scheduled bandwidth after configuringPVC 0/38 will be 0

00:13:16: atmsar_setup_cos(ATM0): vc:1 wred_name:- max_q:0

00:13:16: ATM0: VC setup successful (vcd = 1)

00:13:16: ATM: PVC activated, ATM0 VCD 1 (0/38)

00:13:16: atmsar_atm_lineaction(ATM0): state=0

00:13:16: atmsar_1a_teardown_vc(ATM0): vc:1 vpi:0 vci:38

00:13:16: ATM(): IP multicast cache invalidated for ATM0

00:13:16: ATM: PVC removed, ATM0 VCD 1 (0/38)

00:13:16: DSL: SM: [DMTDSL_SHOWTIME -> DMTDSL_RE_OPEN]

00:13:16: DSL(ATM0): Send ADSL_CLOSE command.

00:13:16: DSL(ATM0): Sent command 0x4

00:13:17: DSL(ATM0): Received response: 0x25

00:13:17: DSL(ATM0): Connection closed

00:13:17: DSL: SM: [DMTDSL_RE_OPEN -> DMTDSL_DO_OPEN]

00:13:17: DSL(ATM0): Send ADSL_OPEN command.

00:13:17: DSL(ATM0): Using subfunction 0x0

00:13:17: LOCAL:Max noise margin for power cutoff 31

00:13:17: DSL(ATM0): Sent command 0x6

00:13:18: DSL(ATM0): Received response: 0x22

00:13:18: DSL(ATM0): Open failed: Error in early non-CRC message or in first CRC-covered message -- retrying

00:13:18: DSL(ATM0): sleep 5 seconds

Jun 18 12:32:15: %LINK-3-UPDOWN: Interface ATM0, changed state to down

00:13:18: atmsar_atm_lineaction(ATM0): state=0

Jun 18 12:32:16: %LINEPROTO-5-UPDOWN: Line protocol on Interface ATM0, changed state to down

00:13:19: ATM0: atmsar_vc_dlcx

00:13:23: DSL(ATM0): Send ADSL_OPEN command.

00:13:23: DSL(ATM0): Using subfunction 0x0

00:13:23: LOCAL:Max noise margin for power cutoff 31

00:13:23: DSL(ATM0): Sent command 0x6

00:13:25: DSL(ATM0): 1: Modem state = 0x9

00:13:28: DSL(ATM0): 2: Modem state = 0x10

00:13:30: ATM0 atmsar_1a_shutdown: state=6

00:13:30: ATM0: atmsar_shutdown, newstate = 6

00:13:30: DSL: SET: [DMTDSL_DO_OPEN -> DMTDSL_STOP]

00:13:30: Resetting ATM0

00:13:30: DSL: SM: [DMTDSL_DO_OPEN -> DMTDSL_STOP]

Jun 18 12:32:29: %LINK-5-CHANGED: Interface ATM0, changed state to administratively down

00:13:32: atmsar_atm_lineaction(ATM0): state=6

00:13:35: DSL(ATM0): Sent command 0x4

00:13:35: DSL(ATM0): Received response: 0x24

00:13:35: DSL(ATM0): Unexpected response 0x24

00:13:35: DSL(ATM0): Sent command 0x4

00:13:35: DSL(ATM0): Received response: 0x25

00:13:35: DSL(ATM0): Connection closed

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Mistralol Fri, 06/19/2009 - 03:15
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Also the line is good and has been for several years. It was typically syncing at around 7mbit prior to this issue.


877w#show dsl interface atm 0

ATM0

Alcatel 20190 chipset information

Line not activated: displaying cached data from last activation

ATU-R (DS) ATU-C (US)

Modem Status: Showtime (DMTDSL_STOP)

DSL Mode: ITU G.992.1 (G.DMT) Annex A

ITU STD NUM: 0x01 0x1

Vendor ID: 'STMI' 'IFTN'

Vendor Specific: 0x0000 0x71B9

Vendor Country: 0x0F 0xB5

Chip ID: C196 (0)

DFE BOM: DFE3.0 Annex A (1)

Capacity Used: 99% 98%

Noise Margin: 14.5 dB 12.0 dB

Output Power: 20.0 dBm 11.0 dBm

Attenuation: 34.5 dB 16.0 dB

FEC ES Errors: 0 0

ES Errors: 42 26

SES Errors: 0 0

LOSES Errors: 0 0

UES Errors: 0 0

Defect Status: LCDi LOS LOF LCDi

Last Fail Code: None

Watchdog Counter: 0x13

Watchdog Resets: 0

Selftest Result: 0x00

Subfunction: 0x00

Interrupts: 28807 (0 spurious)

PHY Access Err: 0

Activations: 20

LED Status: OFF

LED On Time: 100

LED Off Time: 100

Init FW: init_3.0.33_nobist.bin

Operation FW: AMR-3.0.033.bin

FW Source: external

FW Version: 3.0.33


Interleave Fast Interleave Fast

Speed (kbps): 6208 0 832 0

Cells: 0 0 13297 0

Reed-Solomon EC: 0 0 194 196

CRC Errors: 397 0 195 209

Header Errors: 0 0 198 196

Total BER: 0E-0 0E-0

Leakage Average BER: 12288E-117 0E-0

ATU-R (DS) ATU-C (US)

Bitswap: enabled enabled

Dennis Mink Fri, 06/19/2009 - 06:47
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Here is your error:


00:13:18: DSL(ATM0): Open failed: Error in early non-CRC message or in first CRC-covered message -- retrying


checked some forums, cant find a straight answer,


try changing the dsl auto settings on the atm0 if.





Mistralol Fri, 06/19/2009 - 06:58
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I have tried unless i am missing something silly.


Currently the mode is


dsl operating-mode itu-dmt

instead of

dsl operating-mode auto


Anyone other mode except for itu-dmt will not sync at all or produce an obvious error like other end is not configured to same operating mode.





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