Merci pour les infos.
Je vais donc attendre 1 semaine et retenter une synchro en débranchant plusieurs minutes (il est clair que je n'attendais pas 3 min avant de rebrancher)... Par contre, le zyxel n'est pas très bavard sur les erreurs, j'ai FEC/CRC/HEC, contrairement à mon ancien routeur où j'avais tout.
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xDSLFwVersion: FwVer:5.10.6.0_A_A60901 HwVer:T14.F7_0.0
Line State: Up
Modulation: ITU G.992.5(ADSL2PLUS) ,G.998.4
Annex Mode: ANNEX_A
=============================================================================
TPSTC type: ATM TC
near-end interleaved channel bit rate: 0 kbps
near-end fast channel bit rate: 10270 kbps
far-end interleaved channel bit rate: 1011 kbps
far-end fast channel bit rate: 0 kbps
near-end FEC error fast: 3727421
near-end FEC error interleaved: 0
near-end CRC error fast: 4410
near-end CRC error interleaved: 0
near-end HEC error fast: 59729
near-end HEC error interleaved: 0
far-end FEC error fast: 0
far-end FEC error interleaved: 0
far-end CRC error fast: 0
far-end CRC error interleaved: 0
far-end HEC error fast: 0
far-end HEC error interleaved: 0
DSL uptime :1 day, 6:50, 5 secs
DSL activetime :0 min, 13 secs
Downstream:
relative capacity occupation: 100%
noise margin downstream: 13.6 dB
output power upstream: 11.3 dbm
attenuation downstream: 29.7 dB
Upstream:
relative capacity occupation: 100%
noise margin upstream: 6.2 dB
output power downstream: 0.0 dbm
attenuation upstream: 19.5 dB
Bit table:
carrier load: number of bits per tone
tone 0- 31: 00 00 00 09 bc dd ee ee ee ee ee ed dd dc cb 98
tone 32- 63: 14 45 66 77 89 9a aa ab bb bb bb bb bb bb bb bb
tone 64- 95: bb ba bb b0 aa aa aa aa aa aa aa aa aa aa aa aa
tone 96-127: a9 99 99 99 99 99 99 08 88 98 88 88 88 89 98 80
tone 128-159: 89 99 99 99 99 99 99 89 99 99 99 99 88 98 88 99
tone 160-191: 89 88 88 88 88 88 88 88 88 88 88 88 88 88 08 80
tone 192-223: 88 88 88 88 88 88 88 88 88 88 88 88 88 88 88 88
tone 224-255: 88 78 88 78 87 77 77 77 77 70 77 77 77 77 77 77
À titre de comparaison, la ligne de mes parents avec le même routeur toujours fonctionnel, relié au même DSLAM et une longueur de ligne quasi identique à 20 m près :
~# /etc/init.d/dsl_control status
ATU-C Vendor ID: Infineon 130.182
ATU-C System Vendor ID: 00,00,30,30,30,30,00,00
Chipset: Lantiq-VRX200
Firmware Version: 5.8.0.11.1.1
API Version: 4.17.18.6
XTSE Capabilities: 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0
Annex: A
Line Mode: G.992.5 (ADSL2+)
Profile:
Line State: UP [0x801: showtime_tc_sync]
Forward Error Correction Seconds (FECS): Near: 3490583 / Far: 700
Errored seconds (ES): Near: 15969 / Far: 81
Severely Errored Seconds (SES): Near: 781 / Far: 0
Loss of Signal Seconds (LOSS): Near: 0 / Far: 6
Unavailable Seconds (UAS): Near: 48 / Far: 48
Header Error Code Errors (HEC): Near: 551771 / Far: 131
Non Pre-emtive CRC errors (CRC_P): Near: 0 / Far: 0
Pre-emtive CRC errors (CRCP_P): Near: 0 / Far: 0
Power Management Mode: L0 - Synchronized
Latency [Interleave Delay]: 8.0 ms [Interleave] 4.0 ms [Interleave]
Data Rate: Down: 17.078 Mb/s / Up: 1.023 Mb/s
Line Attenuation (LATN): Down: 32.4 dB / Up: 15.9 dB
Signal Attenuation (SATN): Down: 30.5 dB / Up: 15.9 dB
Noise Margin (SNR): Down: 4.2 dB / Up: 10.7 dB
Aggregate Transmit Power (ACTATP): Down: 19.9 dB / Up: 12.4 dB
Max. Attainable Data Rate (ATTNDR): Down: 17.360 Mb/s / Up: 1.180 Mb/s
Line Uptime Seconds: 1194973
Line Uptime: 13d 19h 56m 13s