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Bonded ADSL - Lots of CRC and header errors

at:2008-07-22 02:23:08   Click: 9
Hi All Getting intermittent failures using a 1760 router with 2 adsl wics. Looks to me line like one of the lines has a noise problem? Perhaps someone could confirm this for me? sh dsl int atm 0/0 ATM0/0 Alcatel 20150 chipset information ATU-R (DS) ATU-C (US) Modem Status: Showtime (DMTDSL_SHOWTIME) DSL Mode: ITU G.992.1 (G.DMT) Annex A ITU STD NUM: 0x01 0x1 Vendor ID: 'ALCB' 'TSTC' Vendor Specific: 0x0000 0x0000 Vendor Country: 0x00 0xB5 Capacity Used: 34% 93% Noise Margin: 11.5 dB 5.0 dB Output Power: 20.0 dBm 10.5 dBm Attenuation: 62.0 dB 30.5 dB Defect Status: None None Last Fail Code: Handshake or init message invalid or had bad CRC Selftest Result: 0x00 Subfunction: 0x15 Interrupts: 1370 (0 spurious) PHY Access Err: 0 Activations: 6 LED Status: ON LED On Time: 100 LED Off Time: 100 Init FW: embedded Operation FW: embedded SW Version: 3.8131 FW Version: 0x1A04 Interleave Fast Interleave Fast Speed (kbps): 0 576 0 160 Cells: 0 3378 0 593597 Reed-Solomon EC: 0 0 28 31 CRC Errors: 0 2394 27 2183 Header Errors: 0 1235 39 517 Bit Errors: 0 0 BER Valid sec: 0 0 BER Invalid sec: 0 0 and ADSL 1/0 router#show dsl int atm 1/0 ATM1/0 Alcatel 20150 chipset information ATU-R (DS) ATU-C (US) Modem Status: Showtime (DMTDSL_SHOWTIME) DSL Mode: ITU G.992.1 (G.DMT) Annex A ITU STD NUM: 0x01 0x1 Vendor ID: 'ALCB' 'TSTC' Vendor Specific: 0x0000 0x0000 Vendor Country: 0x00 0xB5 Capacity Used: 99% 61% Noise Margin: 4.0 dB 21.0 dB Output Power: 20.0 dBm 12.0 dBm Attenuation: 20.0 dB 10.0 dB Defect Status: None None Last Fail Code: None Selftest Result: 0x00 Subfunction: 0x15 Interrupts: 2658 (0 spurious) PHY Access Err: 0 Activations: 2 LED Status: ON LED On Time: 100 LED Off Time: 100 Init FW: embedded Operation FW: embedded SW Version: 3.8131 FW Version: 0x1A04 Interleave Fast Interleave Fast Speed (kbps): 6848 0 448 0 Cells: 50919 0 2505436 0 Reed-Solomon EC: 346 0 0 0 CRC Errors: 4 0 0 0 Header Errors: 3 0 0 0 Bit Errors: 0 0 BER Valid sec: 0 0 BER Invalid sec: 0 0 Any ideas? Perhaps a filter problem? Any help would be appreciated. Anthony

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