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Modem keeps disconnecting

Last response: in Networking
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October 21, 2012 3:36:13 PM

Hi

So my modem keeps disconnecting....
some times it lasts for some hours and then starts disconnecting every minute or so. Sometimes i just turn the computer on and it already starts his routine of disconnections.
this has been happening for about 2 moths.

what i have already done:
*got a new modem (dlink 500b > dlink 2730b)
*full virus/spyware scan
*disabling antivirus/firewall
*update network adapted driver
*configured a static ip address
*enabled DMZ host
*called the ISP: they said that everything was fine on their part and i should check the cable
*called the cable guys: said that everything was fine so i should check with the ISP
*ended the vicious circle.
*ask help on forums (in progress...)
*future plans: set everything on fire

--------------------------------------------------------------------------------------------------------
Statistics -- xDSL

Mode: ADSL2+
Traffic Type: ATM
Status: Up
Link Power State: L0

Downstream Upstream
Line Coding(Trellis): On On
SNR Margin (0.1 dB): 138 13
Attenuation (0.1 dB): 255 152
Output Power (0.1 dBm): 193 123
Attainable Rate (Kbps): 6,848 290

Path 0 Path 1
Downstream Upstream Downstream Upstream
Rate (Kbps): 2,272 373 0 0

MSGc (# of bytes in overhead channel message): 59 16 0 0
B (# of bytes in Mux Data Frame): 71 11 0 0
M (# of Mux Data Frames in FEC Data Frame): 1 16 0 0
T (Mux Data Frames over sync bytes): 1 3 0 0
R (# of check bytes in FEC Data Frame): 16 16 0 0
S (ratio of FEC over PMD Data Frame length): 1.0 16.0 0.0 0.0
L (# of bits in PMD Data Frame): 704 104 0 0
D (interleaver depth): 64 4 0 0
Delay (msec): 16.0 16.0 0.0 0.0
INP (DMT symbol): 5.81 2.46 0.0 0.0

Super Frames: 6,664 6,557 0 0
Super Frame Errors: 434 378 0 0
RS Words: 360,884 22,270 0 0
RS Correctable Errors: 8 2,869 0 0
RS Uncorrectable Errors: 0 0 0 0

HEC Errors: 24 4,233 0 0
OCD Errors: 0 0 0 0
LCD Errors: 0 0 0 0
Total Cells: 483,615 69,983 0 0
Data Cells: 11,202 1,339 0 0
Bit Errors: 0 355,296 0 0

Total ES: 10 86
Total SES: 10 47
Total UAS: 44 44


--------------------------------------------------------------------------------------------------------
System Log

Date/Time Facility Severity Message
Jan 1 00:00:07 user warn kernel: 0: 0x00000000 -> 0x00001f00
Jan 1 00:00:07 user warn kernel: Built 1 zonelists in Zone order, mobility grouping on. Total pages: 7874
Jan 1 00:00:07 user warn kernel: wait instruction: enabled
Jan 1 00:00:07 user warn kernel: Primary instruction cache 32kB, VIPT, 4-way, linesize 16 bytes.
Jan 1 00:00:07 user warn kernel: Primary data cache 32kB, 2-way, VIPT, cache aliases, linesize 16 bytes
Jan 1 00:00:07 user warn kernel: PID hash table entries: 128 (order: 7, 512 bytes)
Jan 1 00:00:07 user warn kernel: Mount-cache hash table entries: 512
Jan 1 00:00:07 user warn kernel: Total Flash size: 8192K with 128 sectors
Jan 1 00:00:07 user warn kernel: registering PCI controller with io_map_base unset
Jan 1 00:00:07 user warn kernel: registering PCI controller with io_map_base unset
Jan 1 00:00:07 user warn kernel: bio: create slab at 0
Jan 1 00:00:07 user warn kernel: PCI: Enabling device 0000:01:00.0 (0000 -> 0002)
Jan 1 00:00:07 user warn kernel: BLOG v2.1 Initialized
Jan 1 00:00:07 user warn kernel: pcieport-driver 0000:01:00.0: device [14e4:6328] has invalid IRQ; check vendor BIOS
Jan 1 00:00:07 user warn kernel: bcm963xx_mtd driver v1.0
Jan 1 00:00:07 user warn kernel: File system address: 0xb8010100
Jan 1 00:00:07 user warn kernel: brcmboard: brcm_board_init entry
Jan 1 00:00:07 user warn kernel: SES: Button Interrupt 0x1 is enabled
Jan 1 00:00:07 user warn kernel: SES: LED GPIO 0x8009 is enabled
Jan 1 00:00:07 user warn kernel: bcmxtmrt: Broadcom BCM6328B0 ATM/PTM Network Device v0.3 Mar 5 2012 17:46:51
Jan 1 00:00:07 user warn kernel: Broadcom Logger v0.1 Mar 5 2012 17:45:11
Jan 1 00:00:07 user warn kernel: Mirror/redirect action on
Jan 1 00:00:07 user warn kernel: u32 classifier
Jan 1 00:00:07 user warn kernel: input device check on
Jan 1 00:00:07 user warn kernel: Actions configured
Jan 1 00:00:07 user warn kernel: VFS: Mounted root (squashfs filesystem) readonly on device 31:0.
Jan 1 00:00:07 user warn kernel: pktflow: module license 'Proprietary' taints kernel.
Jan 1 00:00:07 user warn kernel: Disabling lock debugging due to kernel taint
Jan 1 00:00:07 user warn kernel: Broadcom Packet Flow Cache Char Driver v2.1 Mar 18 2010 21:39:51 Registered<242>
Jan 1 00:00:07 user warn kernel: NBUFF v1.0 Initialized
Jan 1 00:00:07 user warn kernel: Broadcom Packet Flow Cache learning via BLOG enabled.
Jan 1 00:00:07 user warn kernel: Created Proc FS /procfs/fcache
Jan 1 00:00:07 user warn kernel: Broadcom Packet Flow Cache registered with netdev chain
Jan 1 00:00:07 user warn kernel: Constructed Broadcom Packet Flow Cache v2.1 Mar 18 2010 21:39:50
Jan 1 00:00:07 user warn kernel: bcmxtmcfg: bcmxtmcfg_init entry
Jan 1 00:00:07 user warn kernel: adsl: adsl_init entry
Jan 1 00:00:07 user warn kernel: Broadcom BCM6328B0 Ethernet Network Device v0.1 Mar 5 2012 17:45:20
Jan 1 00:00:07 user warn kernel: dgasp: kerSysRegisterDyingGaspHandler: bcmsw registered
Jan 1 00:00:07 user warn kernel: map:0xf,eth3: MAC Address: 28:10:7B:93:25:E2,VPORT_ID:1 PHY_ID:1
Jan 1 00:00:07 user warn kernel: map:0x7,eth2: MAC Address: 28:10:7B:93:25:E2,VPORT_ID:2 PHY_ID:2
Jan 1 00:00:07 user warn kernel: map:0x3,eth1: MAC Address: 28:10:7B:93:25:E2,VPORT_ID:3 PHY_ID:3
Jan 1 00:00:07 user warn kernel: map:0x1,eth0: MAC Address: 28:10:7B:93:25:E2,VPORT_ID:4 PHY_ID:4
Jan 1 00:00:07 user warn kernel: PCI: Enabling device 0000:02:00.0 (0000 -> 0002)
Jan 1 00:00:07 user warn kernel: wl:srom not detected,using main memory mapped srom info(wombo board)
Jan 1 00:00:07 user warn kernel: wl:loading /etc/wlan/bcm4313_map.bin
Jan 1 00:00:07 user warn kernel: wl0: Broadcom BCM4313 802.11 Wireless Controller 5.60.120.3.cpe4.406.0
Jan 1 00:00:07 user warn kernel: dgasp: kerSysRegisterDyingGaspHandler: wl0 registered
Jan 1 00:00:11 user warn kernel: BcmAdsl_Initialize=0xC00D7234, g_pFnNotifyCallback=0xC00FF654
Jan 1 00:00:12 user warn kernel: pSdramPHY=0xA1FFFFF8, 0x4E2F6 0xDEADBEEF
Jan 1 00:00:12 user warn kernel: *** PhySdramSize got adjusted: 0x7AB04 => 0x90698 ***
Jan 1 00:00:12 user warn kernel: AdslCoreSharedMemInit: shareMemAvailable=457024
Jan 1 00:00:12 user warn kernel: AdslCoreHwReset: pLocSbSta=80e88000 bkupThreshold=1600
Jan 1 00:00:12 user warn kernel: AdslCoreHwReset: AdslOemDataAddr = 0xA1F711A8
Jan 1 00:00:12 user warn kernel: dgasp: kerSysRegisterDyingGaspHandler: dsl0 registered
Jan 1 00:00:14 user crit kernel: Line 0: xDSL G.994 training
Jan 1 00:00:15 user crit kernel: eth3 Link UP 100 mbps full duplex
Jan 1 00:00:30 user crit kernel: Line 0: ADSL G.992 started
Jan 1 00:00:34 user crit kernel: Line 0: ADSL G.992 channel analysis
Jan 1 00:00:39 user crit kernel: Line 0: ADSL G.992 message exchange
Jan 1 00:00:39 user crit kernel: Line 0: ADSL link up, Bearer 0, us=477, ds=2272
Jan 1 00:00:39 user warn kernel: bcmxtmcfg: XTM Link Information, portid = 0, State = UP, Service Support = ATM
Jan 1 00:00:39 user warn kernel: bcmxtmrt: MAC address: 28 10 7b 93 25 e4
Jan 1 00:00:39 user warn kernel: [DoCreateDeviceReq.2300]: register_netdev
Jan 1 00:00:39 user warn kernel: [DoCreateDeviceReq.2302]: register_netdev done
Jan 1 00:00:39 user warn kernel: bcmxtmcfg: Connection UP, LinkActiveStatus=0x1, US=477000, DS=2272000
Jan 1 00:00:59 user crit kernel: Line 0: ADSL link down
Jan 1 00:00:59 user warn kernel: bcmxtmcfg: XTM Link Information, portid = 0, State = DOWN, Service Support = ATM
Jan 1 00:00:59 user warn kernel: bcmxtmcfg: Connection DOWN, LinkActiveStatus=0x0
Jan 1 00:01:02 user crit kernel: Line 0: xDSL G.994 training
Jan 1 00:01:17 user crit kernel: Line 0: ADSL G.992 started
Jan 1 00:01:22 user crit kernel: Line 0: ADSL G.992 channel analysis
Jan 1 00:01:26 user crit kernel: Line 0: ADSL G.992 message exchange
Jan 1 00:01:26 user crit kernel: Line 0: ADSL link up, Bearer 0, us=373, ds=2272
Jan 1 00:01:26 user warn kernel: bcmxtmcfg: XTM Link Information, portid = 0, State = UP, Service Support = ATM
Jan 1 00:01:27 user warn kernel: bcmxtmrt: MAC address: 28 10 7b 93 25 e4
Jan 1 00:01:27 user warn kernel: [DoCreateDeviceReq.2300]: register_netdev
Jan 1 00:01:27 user warn kernel: [DoCreateDeviceReq.2302]: register_netdev done
Jan 1 00:01:27 user warn kernel: bcmxtmcfg: Connection UP, LinkActiveStatus=0x1, US=373000, DS=2272000
Jan 1 00:01:27 daemon crit syslog: PPP server detected.
Jan 1 00:01:27 daemon crit syslog: PPP session established.
Jan 1 00:01:27 daemon crit syslog: PPP LCP UP.
Jan 1 00:01:30 daemon crit syslog: Received valid IP address from server. Connection UP.
Jan 1 00:01:31 user warn kernel: Netfilter messages via NETLINK v0.30.
Jan 1 00:01:31 user warn kernel: nf_conntrack version 0.5.0 (496 buckets, 1984 max)
Jan 1 00:05:58 daemon crit syslog: Clear IP addresses. PPP connection DOWN.
Jan 1 00:05:58 daemon crit syslog: Clear IP addresses. Connection DOWN.
Jan 1 00:06:06 daemon crit syslog: PPP server detected.
Jan 1 00:06:06 daemon crit syslog: PPP session established.
Jan 1 00:06:06 daemon crit syslog: PPP LCP UP.
Jan 1 00:06:12 daemon crit syslog: Received valid IP address from server. Connection UP.
Oct 21 12:33:09 user crit kernel: Line 0: ADSL link down
Oct 21 12:33:09 user warn kernel: bcmxtmcfg: XTM Link Information, portid = 0, State = DOWN, Service Support = ATM
Oct 21 12:33:09 user warn kernel: bcmxtmcfg: Connection DOWN, LinkActiveStatus=0x0
Oct 21 12:33:11 user crit kernel: Line 0: xDSL G.994 training
Oct 21 12:33:13 daemon crit syslog: Clear IP addresses. PPP connection DOWN.
Oct 21 12:33:13 daemon crit syslog: Clear IP addresses. Connection DOWN.
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thank you.

More about : modem disconnecting

October 21, 2012 8:21:21 PM

make sure you have filters on everything connected to the phone line. Sky or Virgin Box, Alarm SYstem, Phones, Answer Machines, external ringers, modems etc.
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