Looking for a new router - Page 5

Burble · 20-11-2006, 17:52

That ain't good. What stats do you get if you do a 'show dsl interface atm0'?

CliffyG · 21-11-2006, 09:18

Couldnt resync at all last night. Turned it off as the clicking was getting annoying. Turned it on this morning and synced straight away at 7600, noise levels etc are the same. I have a vague recollection about reading someting like this, problems during peak periods etc. I'm guessing it's going to die at around the same time tonight. Have to do some research at work today.

Burble · 21-11-2006, 10:21

I know what you mean about the clicking, it used to drive me nuts when my 877 did it every time it lost and regained sync.

Mark · 21-11-2006, 12:12

Is there an option to set target SNR or maximum sync rate on the Cisco kit? If the line is a bit borderline at peak times, helping the line training 'get things right' can yield a more stable line.

If you have these options, increase target SNR or decrease maximum sync rate (as appropriate) a little at a time until the line stabilises.

CliffyG · 21-11-2006, 12:26

There may well be through the command line but i've not noticed anything in SDM.

Mark · 21-11-2006, 12:43

I have to do it through my router's command line too, so that doesn't surprise me.

CliffyG · 21-11-2006, 12:46

Found some info about the dsl operating-mode causing instability. I have it left set to Auto and apparently setting to UK Ansi-dmt should sort it.

Mark · 21-11-2006, 13:39

Makes sense. Sort of.

CliffyG · 21-11-2006, 19:27

It appears to be sorted. I was surprised to see it working when i got in from work. I'd asked for Interleaving to be turned off last night (and completely forgotten about it) and they'd done it early this morning. Has been 1 blip all day since then.

Burble · 21-11-2006, 19:29

Good old interleaving. In theory a nice idea but in reality I've seen it cause so many problems.

The ADSL at my parents place has interleaving turned on for some reason (despite an 8128 sync rate, 15dB SNR & 24dB attenuation) and since it was enabled their DSL drops quite regularly. BT seem unwilling to turn it off for some reason though

21-11-2006, 09:18	#42
CliffyG Vodka Martini Join Date: Aug 2006 Location: Lower Cambourne Posts: 576	Couldnt resync at all last night. Turned it off as the clicking was getting annoying. Turned it on this morning and synced straight away at 7600, noise levels etc are the same. I have a vague recollection about reading someting like this, problems during peak periods etc. I'm guessing it's going to die at around the same time tonight. Have to do some research at work today. __________________

21-11-2006, 12:26	#45
CliffyG Vodka Martini Join Date: Aug 2006 Location: Lower Cambourne Posts: 576	There may well be through the command line but i've not noticed anything in SDM. __________________

21-11-2006, 12:46	#47
CliffyG Vodka Martini Join Date: Aug 2006 Location: Lower Cambourne Posts: 576	Found some info about the dsl operating-mode causing instability. I have it left set to Auto and apparently setting to UK Ansi-dmt should sort it. __________________

21-11-2006, 19:27	#49
CliffyG Vodka Martini Join Date: Aug 2006 Location: Lower Cambourne Posts: 576	It appears to be sorted. I was surprised to see it working when i got in from work. I'd asked for Interleaving to be turned off last night (and completely forgotten about it) and they'd done it early this morning. Has been 1 blip all day since then. __________________

20-11-2006, 17:52	#41
Burble Rocket Fuel Join Date: Jul 2006 Posts: 7,826	That ain't good. What stats do you get if you do a 'show dsl interface atm0'?

21-11-2006, 10:21	#43
Burble Rocket Fuel Join Date: Jul 2006 Posts: 7,826	I know what you mean about the clicking, it used to drive me nuts when my 877 did it every time it lost and regained sync.

21-11-2006, 12:12	#44
Mark Screaming Orgasm Join Date: Jul 2006 Location: Newbury Posts: 15,194	Is there an option to set target SNR or maximum sync rate on the Cisco kit? If the line is a bit borderline at peak times, helping the line training 'get things right' can yield a more stable line. If you have these options, increase target SNR or decrease maximum sync rate (as appropriate) a little at a time until the line stabilises.

21-11-2006, 12:43	#46
Mark Screaming Orgasm Join Date: Jul 2006 Location: Newbury Posts: 15,194	I have to do it through my router's command line too, so that doesn't surprise me.

21-11-2006, 13:39	#48
Mark Screaming Orgasm Join Date: Jul 2006 Location: Newbury Posts: 15,194	Makes sense. Sort of.

21-11-2006, 19:29	#50
Burble Rocket Fuel Join Date: Jul 2006 Posts: 7,826	Good old interleaving. In theory a nice idea but in reality I've seen it cause so many problems. The ADSL at my parents place has interleaving turned on for some reason (despite an 8128 sync rate, 15dB SNR & 24dB attenuation) and since it was enabled their DSL drops quite regularly. BT seem unwilling to turn it off for some reason though