DSL-2540U три года работал в режиме маршрутизатора на несколько компов, всё нормально. Но всему приходит конец! Прошел разрыв связи на ходу и лампа Internet погасла (не горит ни красным, ни зеленым), чего раньше не было. Ес-но, инета нет. Лампа синхронизации DSL горит - все нормально.
В режиме моста подключение происходит, но мост меня не устраивает (несколько компов).
Провайдер уверяет, что у него все в порядке, а неисправность в роутере, поэтому авторизация не проходит. Я сбросил настройки на заводские, все восстановил как было 3 года - ничего не помогло. Записал лог загрузки роутера
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Date/Time Facility Severity Message
Jan 1 00:00:11 user warn kernel: Built 1 zonelists
Jan 1 00:00:11 user warn kernel: Kernel command line: root=31:0 ro noinitrd
Jan 1 00:00:11 user warn kernel: brcm mips: enabling icache and dcache...
Jan 1 00:00:11 user warn kernel: Primary instruction cache 16kB, physically tagged, 2-way, linesize 16 bytes.
Jan 1 00:00:11 user warn kernel: Primary data cache 8kB 2-way, linesize 16 bytes.
Jan 1 00:00:11 user warn kernel: PID hash table entries: 32 (order 5: 256 bytes)
Jan 1 00:00:11 user warn kernel: Using 120.000 MHz high precision timer.
Jan 1 00:00:11 user warn kernel: Dentry cache hash table entries: 2048 (order: 1, 8192 bytes)
Jan 1 00:00:11 user warn kernel: Inode-cache hash table entries: 1024 (order: 0, 4096 bytes)
Jan 1 00:00:11 user info kernel: Memory: 6044k/7808k available (1264k kernel code, 1744k reserved, 187k data, 64k init, 0k highmem)
Jan 1 00:00:11 user warn kernel: Calibrating delay loop... 239.20 BogoMIPS
Jan 1 00:00:11 user warn kernel: Mount-cache hash table entries: 512 (order: 0, 4096 bytes)
Jan 1 00:00:11 user warn kernel: Checking for 'wait' instruction... unavailable.
Jan 1 00:00:11 user info kernel: NET: Registered protocol family 16
Jan 1 00:00:11 user warn kernel: Can't analyze prologue code at 8014aa34
Jan 1 00:00:11 user info kernel: PPP generic driver version 2.4.2
Jan 1 00:00:11 user info kernel: NET: Registered protocol family 24
Jan 1 00:00:11 user warn kernel: Using noop io scheduler
Jan 1 00:00:11 user warn kernel: bcm963xx_mtd driver v1.0
Jan 1 00:00:11 user warn kernel: brcmboard: brcm_board_init entry
Jan 1 00:00:11 user warn kernel: bcm963xx_serial driver v2.0
Jan 1 00:00:11 user info kernel: NET: Registered protocol family 2
Jan 1 00:00:11 user info kernel: IP: routing cache hash table of 512 buckets, 4Kbytes
Jan 1 00:00:11 user info kernel: TCP: Hash tables configured (established 512 bind 1024)
Jan 1 00:00:11 user info kernel: NET: Registered protocol family 1
Jan 1 00:00:11 user info kernel: NET: Registered protocol family 17
Jan 1 00:00:11 user notice kernel: Ebtables v2.0 registered
Jan 1 00:00:12 user info kernel: NET: Registered protocol family 8
Jan 1 00:00:12 user info kernel: NET: Registered protocol family 20
Jan 1 00:00:12 user info kernel: 802.1Q VLAN Support v1.8 Ben Greear
Jan 1 00:00:12 user info kernel: All bugs added by David S. Miller
Jan 1 00:00:12 user warn kernel: VFS: Mounted root (squashfs filesystem) readonly.
Jan 1 00:00:12 user info kernel: Freeing unused kernel memory: 64k freed
Jan 1 00:00:12 user warn kernel: Algorithmics/MIPS FPU Emulator v1.5
Jan 1 00:00:12 user warn kernel: atmapi: module license 'Proprietary' taints kernel.
Jan 1 00:00:12 user warn kernel: blaadd: blaa_detect entry
Jan 1 00:00:12 user warn kernel: adsl: adsl_init entry
Jan 1 00:00:12 user info kernel: Broadcom BCMPROCFS v1.0 initialized
Jan 1 00:00:12 user warn kernel: Broadcom BCM6338A2 Ethernet Network Device v0.3
Jan 1 00:00:12 user warn kernel: Config Ethernet Switch Through SPI Slave Select 0
Jan 1 00:00:12 user warn kernel: dgasp: kerSysRegisterDyingGaspHandler: eth0 registered
Jan 1 00:00:12 user warn kernel: eth0: MAC Address: 00:1E:58:08:2E:DF
Jan 1 00:00:12 user warn kernel: BcmAdsl_Initialize=0xC00673B8, g_pFnNotifyCallback=0xC007E4E4
Jan 1 00:00:12 user warn kernel: pSdramPHY=0xA07FFFF8, 0x20400984 0xAC100
Jan 1 00:00:12 user warn kernel: AdslCoreHwReset: AdslOemDataAddr = 0xA07FB114
Jan 1 00:00:12 user warn kernel: dgasp: kerSysRegisterDyingGaspHandler: dsl0 registered
Jan 1 00:00:12 user warn kernel: ip_tables: (C) 2000-2002 Netfilter core team
Jan 1 00:00:12 user warn kernel: ip_conntrack version 2.1 (61 buckets, 0 max) - 368 bytes per conntrack
Jan 1 00:00:12 user crit kernel: eth0 Link UP.
Jan 1 00:00:12 user warn kernel: ip_conntrack_pptp version 2.1 loaded
Jan 1 00:00:12 user warn kernel: ip_nat_pptp version 2.0 loaded
Jan 1 00:00:12 user warn kernel: ip_conntrack_h323: init
Jan 1 00:00:12 user warn kernel: ip_nat_h323: initialize the module!
Jan 1 00:00:12 user crit kernel: ADSL G.994 training
Jan 1 00:00:12 user info kernel: device eth0 entered promiscuous mode
Jan 1 00:00:12 user info kernel: br0: port 1(eth0) entering learning state
Jan 1 00:00:12 user info kernel: br0: topology change detected, propagating
Jan 1 00:00:12 user info kernel: br0: port 1(eth0) entering forwarding state
Jan 1 00:00:12 user info kernel: device nas_0_35 entered promiscuous mode
Jan 1 00:00:12 user info kernel: br0: port 2(nas_0_35) entering learning state
Jan 1 00:00:12 user info kernel: br0: topology change detected, propagating
Jan 1 00:00:12 user info kernel: br0: port 2(nas_0_35) entering forwarding state
Jan 1 00:00:12 user info kernel: device eth0 left promiscuous mode
Jan 1 00:00:12 user info kernel: br0: port 1(eth0) entering disabled state
Jan 1 00:00:12 user info kernel: device eth0 entered promiscuous mode
Jan 1 00:00:12 user info kernel: br0: port 1(eth0) entering learning state
Jan 1 00:00:12 user info kernel: br0: topology change detected, propagating
Jan 1 00:00:12 user info kernel: br0: port 1(eth0) entering forwarding state
Jan 1 00:00:12 user debug syslog: tftpd
Jan 1 00:00:13 user debug syslog: pppd
Jan 1 00:00:13 user debug syslog: ifconfig nas_0_35 mtu 1500
Jan 1 00:00:13 daemon notice pppd[281]: pppd 2.4.1 started by admin, uid 0
Jan 1 00:00:20 user crit kernel: ADSL G.992 started
Jan 1 00:00:24 user crit kernel: ADSL G.992 channel analysis
Jan 1 00:00:28 user crit kernel: ADSL G.992 message exchange
Jan 1 00:00:29 user crit kernel: ADSL link up, interleaved, us=252, ds=252
Jan 1 00:00:29 user warn kernel: ATM Soft SAR: ATM link connected.
Jan 1 00:00:30 user debug syslog: iptables -t nat -A PREROUTING -i br0 -d 192.168.1.1 -p udp --dport 53 -j DNAT --to 128.9.0.107
Jan 1 00:00:31 daemon notice pppd[281]: PPP: Start to connect ...
Jan 1 00:00:31 daemon crit pppd[281]: PPP server detected.
Jan 1 00:00:45 daemon notice pppd[281]: PPP: Start to connect ...
Jan 1 00:00:45 daemon crit pppd[281]: PPP server detected.
Jan 1 00:00:59 daemon notice pppd[281]: PPP: Start to connect ...
Jan 1 00:00:59 daemon crit pppd[281]: PPP server detected.
Jan 1 00:01:02 user crit kernel: eth0 Link DOWN.
Jan 1 00:01:02 user info kernel: br0: port 1(eth0) entering disabled state
Jan 1 00:01:04 user crit kernel: eth0 Link UP.
Jan 1 00:01:05 user info kernel: br0: port 1(eth0) entering learning state
Jan 1 00:01:05 user info kernel: br0: topology change detected, propagating
Jan 1 00:01:05 user info kernel: br0: port 1(eth0) entering forwarding state
Jan 1 00:01:13 daemon notice pppd[281]: PPP: Start to connect ...
Jan 1 00:01:13 daemon crit pppd[281]: PPP server detected.
Jan 1 00:01:27 daemon notice pppd[281]: PPP: Start to connect ...
Jan 1 00:01:27 daemon crit pppd[281]: PPP server detected.
и далее последние 2 строки повторяются.
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Вопрос: можно ли по этому логу определить где проблемы - в модеме или на сервере провайдера?

"DSL-2540U три года работал в режиме маршрутизатора на несколько компов, всё нормально"
УТОЧНЕНИЕ: Конечно расрывы связи были (редко), но роутер восстанавливал соединение. Перед последним за несколько часов были такие разрывы с промежутком в час или два примерно.

И вот ещё параметры связи (может поможет что то определить):
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Mode: ADSL2+

Line Coding: Trellis On
Status: No Defect
Link Power State: L0

Downstream Upstream
SNR Margin (dB): 33.8 32.0
Attenuation (dB): 25.0 11.9
Output Power (dBm): 11.8 0.0
Attainable Rate (Kbps): 9184 324
Rate (Kbps): 252 252

MSGc (number of bytes in overhead channel message): 33 75
B (number of bytes in Mux Data Frame): 0 7
M (number of Mux Data Frames in FEC Data Frame): 16 16
T (Mux Data Frames over sync bytes): 14 1
R (number of check bytes in FEC Data Frame): 16 16
S (ratio of FEC over PMD Data Frame length): 1.8824 14.2222
L (number of bits in PMD Data Frame): 136 81
D (interleaver depth): 8 1
Delay (msec): 3 3

Super Frames: 332650 332648
Super Frame Errors: 0 1
RS Words: 11351690 1413754
RS Correctable Errors: 0 0
RS Uncorrectable Errors: 0 N/A

HEC Errors: 0 0
OCD Errors: 0 0
LCD Errors: 0 0
Total Cells: 3182660 3173652
Data Cells: 88156 26158
Bit Errors: 0 0

Total ES: 0 1
Total SES: 0 0
Total UAS: 21 349