>> BT have identified your line as a chronic flapper.
Thanks for that chris
- Now things are beginning to make sense
That would explain why the problem taking so long to get the IP profile back up.. and why at times its still showing at 135 eg.
The reason why the 2100 is playing up at times also now makes sense.. the 105 is good at obtaining a sync when a lot of other routers cant.
The attenuation bouncing all over the place re your first post (now that we know it isnt your router) means there is something weird going on with the phyical condition of the line.
I did look at your stats and wonder why the large difference between the upstream and downstream atten.. but got distracted by the 2272 figure.
It would appear that even with the Capped C marker that BT have put on it to try and stabilise.. it looks like its still having problems at times.. and that there will be times when the SNR Margin is just too low for the 2100 to be able to sync.
Although the BT DLM has tried to correct this automatically, this also would appear to have failed and the line still has a fault on it somewhere.
Therefore as chris says something happened on the 11th of Aug which has messed up your line. Hopefully the engineer can find out what it is.