My 2 disconnects for the day as promised
http://i51.tinypic.com/2qs1enk.jpg
http://i55.tinypic.com/15fhois.jpg

Things are getting worse, it would hardly ever disconnect in the afternoon or early evening previously and it was rare to get 2 in such a short period of time.

Things also looking at the log seem to indicate its getting worse and SNR fluctuating more and more AFTER each resync (not before) happened now.

Especially the second resync, SNR nice and pretty stable before that happened, then definately more fluctuating in general upon resync than it was immediately before it happened.

How it disconnects is normal (if you can call it normal ), theres never any warning from SNR going completely nuts, it just drops.

See for the log file...
http://www.mediafire.com/?5c4845cz1vdmiv9

(Sorry couldnt use pastebin 500kb limit for non pro user on that)

Ive also noticed in general the upstream SNR tends to fluctuate alot more than the down generally, does this indicate anything???

Edited by deleted (Fri 18-Mar-11 02:48:35)

Upstream snr, fluctuating, from your post above,i would say is quite normal, mine when on annex m will do similar,where as if on annex a it's has less fluctuation,
I could also be relative to what speed you sync at after a re-boot, the nearer to the max for your line the less fluctuation as a guess,but i doubt that it's anything to worry about,
your problem is finding out what causes it to loose it's sync, the problem could be with be* s kit at the exchange, this as i have said should be checked out, but should it be found to be ok, then it's gotta be a line fault somewhere between your home and exchange, or interference from outside bt's line plant ect, assuming that everything that you have connected to your side of the bt master socket is free from faults, inc filters,adsl cable ,router's sky box telephone's and internal wired extensions,

Edited by tommy45 (Fri 18-Mar-11 04:57:03)

Full BeBox stats please

DSL Type: G.992.5 annex A

Bandwidth (Up/Down) [kbps/kbps]: 1,213 / 18,018

Data Transferred (Sent/Received) [kB/kB]: 0.00 / 0.00

Output Power (Up/Down) [dBm]: 12.4 / 18.5

Line Attenuation (Up/Down) [dB]: 9.5 / 20.0

SN Margin (Up/Down) [dB]: 10.1 / 9.4

Vendor ID (Local/Remote): TMMB / BDCM

Loss of Framing (Local/Remote): 45 / 0

Loss of Signal (Local/Remote): 5 / 0

Loss of Power (Local/Remote): 0 / 0

Loss of Link (Remote): 0

Error Seconds (Local/Remote): 0 / 0

FEC Errors (Up/Down): 0 / 31149

CRC Errors (Up/Down): 0 / 13

HEC Errors (Up/Down): 0 / 5

Though to be honest ive never trusted their accuracy, just seems very vague compared to other routers.

I agree those are re-sync's not router busies.

The amount of change in the downstream sync is small, which suggests no major (level) noise source has switched in. It would be useful if you could add upstream sync speed to the log.

Noise margins are expected to vary more from just before dusk to just after dawn so that doesn't worry me,

I wonder where the kettle is at the exchange? Flippant, but a serious thought behind it. Maybe a light switch controlling a lot of stuff where the lights don't cause a problem but the switch itself sparks hugely when operated.

The same could happen at home of course - a spark in a switch or plug being pulled out or inserted. Clearly it isn't anything that last for over seven seconds.

Have you got a static IP address, or dynamic?

In reply to a post by RobertoS:

I agree those are re-sync's not router busies.

The amount of change in the downstream sync is small, which suggests no major (level) noise source has switched in. It would be useful if you could add upstream sync speed to the log.

I dont think you can make the log show upstream sync also can you??? Unless im missing the option in routerstats lite?

In reply to a post by RobertoS:

Noise margins are expected to vary more from just before dusk to just after dawn so that doesn't worry me,

I wonder where the kettle is at the exchange? Flippant, but a serious thought behind it. Maybe a light switch controlling a lot of stuff where the lights don't cause a problem but the switch itself sparks hugely when operated.

Maybe exchange end something like that possible.... but i can say catagorically nothing in my home was being switched on or off at the times it lost sync. Especially light switches (especially on the 10.25am resync). Infact the morning one nothing else apart from the computer in the house was switched on which is electrical, well ok the fridge was on, other than that nothing, i wasnt even home. They can also get lost if they want me to turn that off for 3 more months of tests lol

In reply to a post by RobertoS:

The same could happen at home of course - a spark in a switch or plug being pulled out or inserted. Clearly it isn't anything that last for over seven seconds.

Yep agreed and as i stated it just happens no warning, it doesnt appear to be line noise in a conventional sense atleast. You normally see huge wobbles (if thats the way to describe things) to SNR before a connection drops if its line noise.

@Batboy as thats a resonable question im happy to answer
The connection is Dynamic IP. Ive considered a request for Static IP, but dont think it would help. If you or anyone knows if it may though and can explain why im definately all ears though .

Knowing my luck so far id probably request it and have it enabled before i got the ticket or email with the details id need to set in the router LOL. Also have little to no faith in the staff at the moment.

Anyways got to go do another shift at work, but thanks to people looking at this already, appreciated

Edited by deleted (Fri 18-Mar-11 09:55:00)

I don't know if it's as big a problem with BE as a dynamic address rarely changes, but when you lose sync, then a dynamic address means that the TCP stack would have to be torn down and rebuilt which means you would lose whatever connections you had, but a static IP would just pause and resume when sync was regained. So a static IP address would be better.

Aside from the LOF and LOS, something doesn't seem right with those stats, but cannot put a finger on it right now

Can you please upgrade the firmware for the 585v7 to v8.2.7.7 and post the stats again after a few hours INCLUDING the uptime
http://www.beusergroup.co.uk/technotes/index.php?tit...

Also, if you can go onto SamKnows and check the location of the exchange and try and have a look to see if there might be anything between you and the exchange such as roadworks

My hunch is still that it is something at the exchange

If you request a static IP, do it over the phone. That way, support can talk you through setting it up and you won't get caught out by losing connection to the Internet due to the change and having to find some alternative means to get online to get the details

I know from experience