Synchronization problem

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Edtech
Posts: 43
Joined: Tue Jul 31, 2012 12:21 pm

Synchronization problem

Post by Edtech »

Hi!

I have a lot of synchronization problems and my ISP ask to me to check if the problem is the modem. But I don't have another modem to test. How can I check if the problem is my 7800N or if it's the ISP ? For me it's not the modem because the connection is sometimes up during 3 or 4 weeks without problem and sometimes, the link is down each 5 minutes... BUt I want confirm this.
billion_fan
Posts: 5398
Joined: Tue Jul 19, 2011 4:30 pm

Re: Synchronization problem

Post by billion_fan »

Hi

Whats your line states??

You can find your line stats by following these steps

1. Login to the router web configuration page
2. Click on 'Advanced'
3. Click on 'Status'
4. Click on 'ADSL Status'

Capture the settings and post a picture here so we can investigate further.
Edtech
Posts: 43
Joined: Tue Jul 31, 2012 12:21 pm

Re: Synchronization problem

Post by Edtech »

Sorry for the late answer. The line is now OK. I change a lot of thing in my home (electricity wire, phone wire, etc.) and my ISP had check the line and the hardware int the other side.

I hope it's ok for a long time !
Edtech
Posts: 43
Joined: Tue Jul 31, 2012 12:21 pm

Re: Synchronization problem

Post by Edtech »

Hi!

My problem come back, I'm sure it's the ISP, but I have new errors in the trace:

Nov 16 20:06:58 user kernel: Line 0: ADSL link down
Nov 16 20:06:58 user udhcpc: Broadcast a release
Nov 16 20:06:58 user udhcpc: Sending release...
Nov 16 20:06:58 user udhcpc: Entering released state
Nov 16 20:06:58 daemon radvd[495]: our AdvValidLifetime on br0 for 2001:41d0:fc86:ae00:: doesn't agree with fe80::204:edff:fe7f:63b6
Nov 16 20:06:58 daemon radvd[495]: our AdvPreferredLifetime on br0 for 2001:41d0:fc86:ae00:: doesn't agree with fe80::204:edff:fe7f:63b6
Nov 16 20:07:00 user kernel: Line 0: xDSL G.994 training
Nov 16 20:07:09 user kernel: Line 0: ADSL G.992 started
Nov 16 20:07:14 user kernel: Line 0: ADSL G.992 channel analysis
Nov 16 20:07:14 daemon UPNPD[8108]: ioctl(s, SIOCGIFADDR, ...): Cannot assign requested address
Nov 16 20:07:14 daemon UPNPD[8108]: Failed to get ip address for interface nas_0_8_35
Nov 16 20:07:15 daemon UPNPD[8108]: ioctl(s, SIOCGIFADDR, ...): Cannot assign requested address
Nov 16 20:07:15 daemon UPNPD[8108]: Failed to get ip address for interface nas_0_8_35
Nov 16 20:07:17 daemon UPNPD[8108]: ioctl(s, SIOCGIFADDR, ...): Cannot assign requested address
Nov 16 20:07:17 daemon UPNPD[8108]: Failed to get ip address for interface nas_0_8_35
Nov 16 20:07:20 user kernel: Line 0: ADSL G.992 message exchange
Nov 16 20:07:20 user kernel: Line 0: ADSL link up, Path 0, us=1112, ds=9302
Nov 16 20:07:21 daemon UPNPD[8108]: ioctl(s, SIOCGIFADDR, ...): Cannot assign requested address
Nov 16 20:07:21 daemon UPNPD[8108]: Failed to get ip address for interface nas_0_8_35
Nov 16 20:07:22 user udhcpc: Performing a DHCP renew
Nov 16 20:07:22 user udhcpc: Sending discover...
Nov 16 20:07:23 user udhcpc: Sending discover...
Nov 16 20:07:26 user udhcpc: Sending discover...
Nov 16 20:07:29 daemon UPNPD[8108]: ioctl(s, SIOCGIFADDR, ...): Cannot assign requested address
Nov 16 20:07:29 daemon UPNPD[8108]: Failed to get ip address for interface nas_0_8_35
Nov 16 20:07:35 user udhcpc: Sending discover...
Nov 16 20:07:36 user udhcpc: Sending discover...
Nov 16 20:07:37 user udhcpc: Sending select for 109.190.84.14...
Nov 16 20:07:37 user udhcpc: Lease of 109.190.84.14 obtained, lease time 600
Nov 16 20:07:37 user syslog: begin: interface: nas_0_8_35 go to up
Nov 16 20:07:37 daemon dnsmasq[90]: using nameserver 91.121.164.227#53
Nov 16 20:07:37 daemon dnsmasq[90]: using nameserver 91.121.161.184#53
Nov 16 20:07:38 daemon UPNPD[8108]: received signal 15, good-bye
Nov 16 20:07:40 daemon UPNPD[9278]: HTTP listening on port 2800
Nov 16 20:07:42 user syslog: end: interface: nas_0_8_35 go to up
Nov 16 20:07:43 user syslog: wan6Autod start..
Nov 16 20:07:47 user syslog: Hop limit : 64
Nov 16 20:07:47 user syslog: Stateful address conf. : Yes
Nov 16 20:07:47 user syslog: Stateful other conf. : No
Nov 16 20:07:47 user syslog: Router preference : medium
Nov 16 20:07:47 user syslog: Router lifetime : 1800 seconds
Nov 16 20:07:47 user syslog: Reachable time : 0 milliseconds
Nov 16 20:07:47 user syslog: Retransmit time : 0 milliseconds
Nov 16 20:07:47 user syslog: Source link-layer address :10-8C-CF-28-91-C0
Nov 16 20:07:47 user syslog: Prefix : 2001:41d0::7c2/128
Nov 16 20:07:47 user syslog: Valid time : 3600 seconds
Nov 16 20:07:47 user syslog: Pref. time : 3600 seconds
Nov 16 20:07:47 user syslog: dhcp6c restart..
Nov 16 20:07:51 daemon radvd[9568]: version 1.0 started
Nov 16 20:07:51 daemon radvd[495]: our AdvValidLifetime on br0 for 2001:41d0:fc86:ae00:: doesn't agree with fe80::204:edff:fe7f:63b6
Nov 16 20:07:51 daemon radvd[495]: our AdvPreferredLifetime on br0 for 2001:41d0:fc86:ae00:: doesn't agree with fe80::204:edff:fe7f:63b6
Nov 16 20:07:51 user syslog: dhcp6s restart..
Nov 16 20:07:54 daemon radvd[9753]: version 1.0 started
Nov 16 20:07:54 daemon radvd[495]: our AdvValidLifetime on br0 for 2001:41d0:fc86:ae00:: doesn't agree with fe80::204:edff:fe7f:63b6
Nov 16 20:07:54 daemon radvd[495]: our AdvPreferredLifetime on br0 for 2001:41d0:fc86:ae00:: doesn't agree with fe80::204:edff:fe7f:63b6
Nov 16 20:07:54 daemon radvd[9753]: our AdvValidLifetime on br0 for 2001:41d0:fc86:ae00:: doesn't agree with fe80::204:edff:fe7f:63b6
Nov 16 20:07:54 daemon radvd[9753]: our AdvPreferredLifetime on br0 for 2001:41d0:fc86:ae00:: doesn't agree with fe80::204:edff:fe7f:63b6
Nov 16 20:07:54 daemon radvd[9753]: our AdvValidLifetime on br0 for 2001:41d0:fc86:ae00:: doesn't agree with fe80::204:edff:fe7f:63b6
Nov 16 20:07:54 daemon radvd[9753]: our AdvPreferredLifetime on br0 for 2001:41d0:fc86:ae00:: doesn't agree with fe80::204:edff:fe7f:63b6
Nov 16 20:07:54 user syslog: dhcp6s restart..
Nov 16 20:08:10 daemon radvd[9753]: our AdvValidLifetime on br0 for 2001:41d0:fc86:ae00:: doesn't agree with fe80::204:edff:fe7f:63b6
Nov 16 20:08:10 daemon radvd[9753]: our AdvPreferredLifetime on br0 for 2001:41d0:fc86:ae00:: doesn't agree with fe80::204:edff:fe7f:63b6
Nov 16 20:08:10 daemon radvd[9753]: our AdvValidLifetime on br0 for 2001:41d0:fc86:ae00:: doesn't agree with fe80::204:edff:fe7f:63b6
Nov 16 20:08:10 daemon radvd[9753]: our AdvPreferredLifetime on br0 for 2001:41d0:fc86:ae00:: doesn't agree with fe80::204:edff:fe7f:63b6
Nov 16 20:08:10 daemon radvd[495]: our AdvValidLifetime on br0 for 2001:41d0:fc86:ae00:: doesn't agree with fe80::204:edff:fe7f:63b6
Nov 16 20:08:10 daemon radvd[495]: our AdvPreferredLifetime on br0 for 2001:41d0:fc86:ae00:: doesn't agree with fe80::204:edff:fe7f:63b6
Nov 16 20:08:22 user syslog: web: logout (timeout)
Nov 16 20:08:24 user syslog: web: ::ffff:192.168.1.101 login
Nov 16 20:08:26 daemon radvd[9753]: our AdvValidLifetime on br0 for 2001:41d0:fc86:ae00:: doesn't agree with fe80::204:edff:fe7f:63b6
Nov 16 20:08:26 daemon radvd[9753]: our AdvPreferredLifetime on br0 for 2001:41d0:fc86:ae00:: doesn't agree with fe80::204:edff:fe7f:63b6
Nov 16 20:08:26 daemon radvd[9753]: our AdvValidLifetime on br0 for 2001:41d0:fc86:ae00:: doesn't agree with fe80::204:edff:fe7f:63b6
Nov 16 20:08:26 daemon radvd[9753]: our AdvPreferredLifetime on br0 for 2001:41d0:fc86:ae00:: doesn't agree with fe80::204:edff:fe7f:63b6
Nov 16 20:08:26 daemon radvd[495]: our AdvValidLifetime on br0 for 2001:41d0:fc86:ae00:: doesn't agree with fe80::204:edff:fe7f:63b6
Nov 16 20:08:26 daemon radvd[495]: our AdvPreferredLifetime on br0 for 2001:41d0:fc86:ae00:: doesn't agree with fe80::204:edff:fe7f:63b6

The problem with the AdvValidLifetime was here just before the problem come back. I don't known if it's linked...
billion_fan
Posts: 5398
Joined: Tue Jul 19, 2011 4:30 pm

Re: Synchronization problem

Post by billion_fan »

Edtech wrote:Hi!

My problem come back, I'm sure it's the ISP, but I have new errors in the trace:

Nov 16 20:06:58 user kernel: Line 0: ADSL link down
Nov 16 20:06:58 user udhcpc: Broadcast a release
Nov 16 20:06:58 user udhcpc: Sending release...
Nov 16 20:06:58 user udhcpc: Entering released state
Nov 16 20:06:58 daemon radvd[495]: our AdvValidLifetime on br0 for 2001:41d0:fc86:ae00:: doesn't agree with fe80::204:edff:fe7f:63b6
Nov 16 20:06:58 daemon radvd[495]: our AdvPreferredLifetime on br0 for 2001:41d0:fc86:ae00:: doesn't agree with fe80::204:edff:fe7f:63b6
Nov 16 20:07:00 user kernel: Line 0: xDSL G.994 training
Nov 16 20:07:09 user kernel: Line 0: ADSL G.992 started
Nov 16 20:07:14 user kernel: Line 0: ADSL G.992 channel analysis
Nov 16 20:07:14 daemon UPNPD[8108]: ioctl(s, SIOCGIFADDR, ...): Cannot assign requested address
Nov 16 20:07:14 daemon UPNPD[8108]: Failed to get ip address for interface nas_0_8_35
Nov 16 20:07:15 daemon UPNPD[8108]: ioctl(s, SIOCGIFADDR, ...): Cannot assign requested address
Nov 16 20:07:15 daemon UPNPD[8108]: Failed to get ip address for interface nas_0_8_35
Nov 16 20:07:17 daemon UPNPD[8108]: ioctl(s, SIOCGIFADDR, ...): Cannot assign requested address
Nov 16 20:07:17 daemon UPNPD[8108]: Failed to get ip address for interface nas_0_8_35
Nov 16 20:07:20 user kernel: Line 0: ADSL G.992 message exchange
Nov 16 20:07:20 user kernel: Line 0: ADSL link up, Path 0, us=1112, ds=9302
Nov 16 20:07:21 daemon UPNPD[8108]: ioctl(s, SIOCGIFADDR, ...): Cannot assign requested address
Nov 16 20:07:21 daemon UPNPD[8108]: Failed to get ip address for interface nas_0_8_35
Nov 16 20:07:22 user udhcpc: Performing a DHCP renew
Nov 16 20:07:22 user udhcpc: Sending discover...
Nov 16 20:07:23 user udhcpc: Sending discover...
Nov 16 20:07:26 user udhcpc: Sending discover...
Nov 16 20:07:29 daemon UPNPD[8108]: ioctl(s, SIOCGIFADDR, ...): Cannot assign requested address
Nov 16 20:07:29 daemon UPNPD[8108]: Failed to get ip address for interface nas_0_8_35
Nov 16 20:07:35 user udhcpc: Sending discover...
Nov 16 20:07:36 user udhcpc: Sending discover...
Nov 16 20:07:37 user udhcpc: Sending select for 109.190.84.14...
Nov 16 20:07:37 user udhcpc: Lease of 109.190.84.14 obtained, lease time 600
Nov 16 20:07:37 user syslog: begin: interface: nas_0_8_35 go to up
Nov 16 20:07:37 daemon dnsmasq[90]: using nameserver 91.121.164.227#53
Nov 16 20:07:37 daemon dnsmasq[90]: using nameserver 91.121.161.184#53
Nov 16 20:07:38 daemon UPNPD[8108]: received signal 15, good-bye
Nov 16 20:07:40 daemon UPNPD[9278]: HTTP listening on port 2800
Nov 16 20:07:42 user syslog: end: interface: nas_0_8_35 go to up
Nov 16 20:07:43 user syslog: wan6Autod start..
Nov 16 20:07:47 user syslog: Hop limit : 64
Nov 16 20:07:47 user syslog: Stateful address conf. : Yes
Nov 16 20:07:47 user syslog: Stateful other conf. : No
Nov 16 20:07:47 user syslog: Router preference : medium
Nov 16 20:07:47 user syslog: Router lifetime : 1800 seconds
Nov 16 20:07:47 user syslog: Reachable time : 0 milliseconds
Nov 16 20:07:47 user syslog: Retransmit time : 0 milliseconds
Nov 16 20:07:47 user syslog: Source link-layer address :10-8C-CF-28-91-C0
Nov 16 20:07:47 user syslog: Prefix : 2001:41d0::7c2/128
Nov 16 20:07:47 user syslog: Valid time : 3600 seconds
Nov 16 20:07:47 user syslog: Pref. time : 3600 seconds
Nov 16 20:07:47 user syslog: dhcp6c restart..
Nov 16 20:07:51 daemon radvd[9568]: version 1.0 started
Nov 16 20:07:51 daemon radvd[495]: our AdvValidLifetime on br0 for 2001:41d0:fc86:ae00:: doesn't agree with fe80::204:edff:fe7f:63b6
Nov 16 20:07:51 daemon radvd[495]: our AdvPreferredLifetime on br0 for 2001:41d0:fc86:ae00:: doesn't agree with fe80::204:edff:fe7f:63b6
Nov 16 20:07:51 user syslog: dhcp6s restart..
Nov 16 20:07:54 daemon radvd[9753]: version 1.0 started
Nov 16 20:07:54 daemon radvd[495]: our AdvValidLifetime on br0 for 2001:41d0:fc86:ae00:: doesn't agree with fe80::204:edff:fe7f:63b6
Nov 16 20:07:54 daemon radvd[495]: our AdvPreferredLifetime on br0 for 2001:41d0:fc86:ae00:: doesn't agree with fe80::204:edff:fe7f:63b6
Nov 16 20:07:54 daemon radvd[9753]: our AdvValidLifetime on br0 for 2001:41d0:fc86:ae00:: doesn't agree with fe80::204:edff:fe7f:63b6
Nov 16 20:07:54 daemon radvd[9753]: our AdvPreferredLifetime on br0 for 2001:41d0:fc86:ae00:: doesn't agree with fe80::204:edff:fe7f:63b6
Nov 16 20:07:54 daemon radvd[9753]: our AdvValidLifetime on br0 for 2001:41d0:fc86:ae00:: doesn't agree with fe80::204:edff:fe7f:63b6
Nov 16 20:07:54 daemon radvd[9753]: our AdvPreferredLifetime on br0 for 2001:41d0:fc86:ae00:: doesn't agree with fe80::204:edff:fe7f:63b6
Nov 16 20:07:54 user syslog: dhcp6s restart..
Nov 16 20:08:10 daemon radvd[9753]: our AdvValidLifetime on br0 for 2001:41d0:fc86:ae00:: doesn't agree with fe80::204:edff:fe7f:63b6
Nov 16 20:08:10 daemon radvd[9753]: our AdvPreferredLifetime on br0 for 2001:41d0:fc86:ae00:: doesn't agree with fe80::204:edff:fe7f:63b6
Nov 16 20:08:10 daemon radvd[9753]: our AdvValidLifetime on br0 for 2001:41d0:fc86:ae00:: doesn't agree with fe80::204:edff:fe7f:63b6
Nov 16 20:08:10 daemon radvd[9753]: our AdvPreferredLifetime on br0 for 2001:41d0:fc86:ae00:: doesn't agree with fe80::204:edff:fe7f:63b6
Nov 16 20:08:10 daemon radvd[495]: our AdvValidLifetime on br0 for 2001:41d0:fc86:ae00:: doesn't agree with fe80::204:edff:fe7f:63b6
Nov 16 20:08:10 daemon radvd[495]: our AdvPreferredLifetime on br0 for 2001:41d0:fc86:ae00:: doesn't agree with fe80::204:edff:fe7f:63b6
Nov 16 20:08:22 user syslog: web: logout (timeout)
Nov 16 20:08:24 user syslog: web: ::ffff:192.168.1.101 login
Nov 16 20:08:26 daemon radvd[9753]: our AdvValidLifetime on br0 for 2001:41d0:fc86:ae00:: doesn't agree with fe80::204:edff:fe7f:63b6
Nov 16 20:08:26 daemon radvd[9753]: our AdvPreferredLifetime on br0 for 2001:41d0:fc86:ae00:: doesn't agree with fe80::204:edff:fe7f:63b6
Nov 16 20:08:26 daemon radvd[9753]: our AdvValidLifetime on br0 for 2001:41d0:fc86:ae00:: doesn't agree with fe80::204:edff:fe7f:63b6
Nov 16 20:08:26 daemon radvd[9753]: our AdvPreferredLifetime on br0 for 2001:41d0:fc86:ae00:: doesn't agree with fe80::204:edff:fe7f:63b6
Nov 16 20:08:26 daemon radvd[495]: our AdvValidLifetime on br0 for 2001:41d0:fc86:ae00:: doesn't agree with fe80::204:edff:fe7f:63b6
Nov 16 20:08:26 daemon radvd[495]: our AdvPreferredLifetime on br0 for 2001:41d0:fc86:ae00:: doesn't agree with fe80::204:edff:fe7f:63b6

The problem with the AdvValidLifetime was here just before the problem come back. I don't known if it's linked...

If you have IPv6 enabled please disbale it
Edtech
Posts: 43
Joined: Tue Jul 31, 2012 12:21 pm

Re: Synchronization problem

Post by Edtech »

I have reset the 7800N, set it again (with IPv6) and it's work now.

A technician of my ISP came today and my installation is OK (in the house). The problem for the synchronization is on the line outdoor, but in France, the ISP isn't that which manage the line. I hope the guy come this week to check it...
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