Hi
quote : This goes completely against all the advice that modems should be left switched on 24/7 for DLM to take care of things?
You don't mention your SNR margin .
If your last resynch was done during a noisy period then your synch rate would have been lower than optimum synch for your (target) snr margin and attenuation . If the noise decreased allowing your SNR margin to go up then you manually resynching would result in an increase in synch rate with the (target) Snr margin applied by the DLM .
This situation is not normally resolved by the DLM .
quote It also seems to suggest that DLM initiated IP Profiles can actually get "stuck".
Don't know bout 21cn but yes its possible
http://www.kitz.co.uk/adsl/IPprofile.htm
Regards Jeff
Cheers jefbb,
Page 15 already. I really hope we don't end up filling up any more pages.
There should still hopefully be room on page 15 for me to report a successful outcome tomorrow.
One of the problems is that we just can't see our connection stats so I have absolutely no idea what my SNR & attenuation levels are at any given time.
I have read that a resync during daylight hours is preferred as lines typically become "noisy" in the evenings.
However, my own limited experience with FTTC is that (for whatever reason) whenever the modems have resynced in the evenings, the speeds have been higher than when resyncing during daylight hours.
This also appears to contradict current advice.
By far, the vast majority of resync events have not been initiated by me.
Plusnet have advised me to hang on for 10-14 days & the speeds should increase automatically via DLM, assuming the line is stable.
The fact that the various modems have been incapable of hanging on to a connection for that length of time (apart from the first couple of weeks), seems to clearly suggest a line instability issue that just needs "fixing".
Monday's engineers thought they had tracked it down & "fixed" it.
Whenever I have checked my phone line recently, at the same time the modems are attempting to automatically reconnect following an uninitiated disconnection, I have heard the crackling on the phone (even since Monday's "fix").
Just as an experiment, I turned off the modem today for a few minutes then turned it back on again, whilst listening to the phone.
All the way through to being able to browse the internet again, the phone was completely silent.
However, my IP profile dropped from over 20 Mb back down to less than 15 Mb. That was around lunchtime.
There is a known issue with the BT modems overheating & being unable to maintain connections.
In my case, I believe this known issue may have mis-led both Plusnet & BT into thinking the modems have been the problem.
I have told them on a number of occasions that any modems I have used have only ever felt "a bit warm", definitely not hot.
Hopefully all will be revealed tomorrow when BT will be testing "everything" & resetting my profile to the full 40 Mb.
Going off when FTTC was first installed, I would expect around 35 Mb (ish) by the time it reaches my house after travelling for around 820m or so.
If nothing else, I will be able to obtain my connection stats from the engineer's JDSU & compare them with the last time they were obtained.
Paul.