Internet Connection Drop Lease renewed

[Dag64]

Hello all,

My internet connection keeps dropping and happens at least once or twice a day.

I have tried the following

- Restarting the router

- Factory Reset

- Changing the cables

- Changing the filter

The following two examples appears in the logs, I have captured the relevant logs when the disconnection occurs.

syslog: Lease renewed 3600 rebind time:3060 ip 5.67.155.64
syslog: [281274.947000] Line 0: VDSL2 link down
syslog: [281276.698000] Line 0: xDSL G.994 training
syslog: Clear IP addresses. IP connection DOWN.
syslog: [281284.705000] Line 0: VDSL G.993 started
syslog: [281303.310000] Line 0: VDSL2 link up, Bearer 0, us=10753, ds=43998
syslog: [281303.316000] Line 0: VDSL2 link up, Bearer 1, us=0, ds=0
syslog: ptm0.1 - WAN link UP.
syslog: Received valid DHCP lease from server. Connection UP.
syslog: Connection Up. SNO/MAC/IP/SWVER/IPv6: [B242193D016588/A0BDCDEB4400/5.67.155.64/4.13.0704.R/2a02:c7e:31f9:ff00::1]

------------------------------------------------------------------------------------------

syslog: Lease renewed 3600 rebind time:3060 ip 5.67.155.64
syslog: TR69: Connect to Production ACS
syslog: TR69: Connection to ACS Complete
syslog: [294298.046000] Line 0: VDSL2 link down
syslog: [294300.009000] Line 0: xDSL G.994 training
syslog: Clear IP addresses. IP connection DOWN.
syslog: [294308.030000] Line 0: VDSL G.993 started
syslog: [294326.399000] Line 0: VDSL2 link up, Bearer 0, us=10559, ds=39999
syslog: [294326.404000] Line 0: VDSL2 link up, Bearer 1, us=0, ds=0
syslog: ptm0.1 - WAN link UP.
syslog: Received valid DHCP lease from server. Connection UP.
syslog: Connection Up. SNO/MAC/IP/SWVER/IPv6: 

From the router I can see the middle green light turning orange and flashing until it reconnects to the internet and goes green.

Any advice?

Thanks

[Chrisee]

@Dag64 IP lease renewals are a routine background process and happen regularly. In your case the hub is losing connection to the cabinet most likely being caused by the noise level on the line. The hub then renegotiates the connection automatically. This is pretty common fault as the recent bad weather does inevitably cause issues with some copper lines. The DLM system in the fibre cabinet will counts faults and line drops over a 24 hour period and will reset the connection's noise margin in the early hours if those counts go outside the pre-programmed limit for the line profile.

Given the automatic systems are designed to cope Openreach do not accept faukt reports until that system fails normally because the system has increased the noise margin to a level where the speed is below the minimum set for your line. If you have a black Sky hub you can see this by looking at the connection stats see Sky Hub statistics

[SusanJSD]

THis seems to be the issue I am having too...but between midnight and 8am today, my vdsl link has dropped eight times according to the maintenance logs stored in the router.... It has been reported and engineers have worked on it and SKy diagnostics say there's nothing wrong, but it still keeps dropping... and I have lost a job opportinity because of it. They sent an openreach engineer whi did line tests and that was found good back tothe 'green box' in the street... he checked the hub connections at the house and they weregood.. so where is the issue??.. I cannot get to speak with anyone from Sky because the 'bot' just takes me round and round. Luckily, I still have a fortnight left of the 'cancel' availability. BTW.. I did have a fewissues with my previous ISP, but NEVER like this.

[Chrisee]

@SusanJSD lease renewal is a background process and would not cause the hub to lose connection to the cabinet. I have answered another post of yours suggesting how to move forward. Note if there is, as seems possible, a line issue switching to another ISP using the same line will simply mean the problem moves with you. If you have a black Sky hub post your hub's connection stats as they help disgnose. Issues on VDSL connections Sky Hub statistics

You are best raising this with Sky over the phone but if you continue to have issues with calling them post again and a forum superuser can escalated you onto the forum chat service but that is not an ideal channel.

[SusanJSD]

Thank you for your reply Chrisee,

I get what you're saying with theproblem apssing one to another and I did have similar issue with TT but not anywhere near this amount of dropouts.// and Iwas always able to get through to a person when I needed help.. I have downloaded the maintenance logs on a daily basis si I will try and attach here but they can be and will be very long... I have pasted a section that contains just two dropouts and I do note that the times shown are GMT not BST.. ||Thank you.

[Chrisee]

@SusanJSD loss of connection overnight are often down to housekeeping and maintenance activity. If the cabinet DLM which counts line drops and errors detects a count above or below pre-programmed limit it will drop the connection adjust the noise margin up if errors are too high or down if errors are below a lower limit. This has a marginal affect on speed but is an unavoidable activity. The enemy of VDSL is electrical noise on the line which will cause data errors and if high enough cause the connection to drop.  The DLM system tries to optimise the connection. Openreach no longer intervene if the speed remains above the guaranteed minimum even if it drops below that doesnt mean they will do much until drops go above 10 per day.

The connection stats report generated by the black Sky hubs I linked to shows the noise margin which should be as low as possible but within a range of 3 to 6dB over 6dB indicates a fault condition. Unfortunately the white hubs do not generate the same report.

[JimM1]

@Dag64 Follow the instructions that chrisee supplied, your hub sync is erratic on the short post you put up so you may be having a line fault but swapping out the line filter may not be helping you either, time you had a new Master Socket they are far better than the cheap ADSL filters. Every on/off switching on your hub has the potential to HAMMER you down speed is sacrificed for stability....