no increase in ip profile - why

hi there

last Saturday i had a power cut and when power came back my router re synced at 3900kbps and then dropped the ip profile to 3000, i always get just over 4000kpbs when i re sync late at night (stay sycned at this all the time for weeks on end)

when i got back in late last Sunday night i re synced my line has had a sync of 4032kbps for 80 hours and counting, but my ip profile is still 3000kbps , this should have increased to 3500 by now.

am i right in thinking it takes up 72 hrs for your profile to catch up with your sync?

what could cause the delay such as the one i am seeing,


many thanks

It's meant to take up to 5 days now to get the profile raised automatically. Large percentage changes are meant to happen faster.

In reply to a post by john2007:

It's meant to take up to 5 days now to get the profile raised automatically.

i assume this is quite recent , i wounder why it is now up to 5 days instead of 3 ?
so hopefully within the next 2 days i should see an increase

many thanks

I'm a bit surprised it hasn't already increased. It's worth waiting a couple of days before complaining. Are you sure you haven't had any other bad syncs recently? That would restart the 5 day period.

In reply to a post by john2007:

Are you sure you haven't had any other bad syncs recently? That would restart the 5 day period.

i am sure its been at 3500 for months and months, apart from the one mentioned in my first post

John2007 is quite right.

It changed in August 2008, see this page for a fuller explanation of how it works.

Amazingly most large ISP help desks are as unaware of the change as you were .

(Edit - There is a trick you can employ if you have a small increase expected like yourself, and have courage . Only worth doing though during the first day, certainly not now in your case, and needs a router where you can tweak the noise margin.)

Edited by RobertoS (Thu 28-Apr-11 09:18:55)

After 8 day my ip profile has not increased , so seems like i have a stuck ip profile?

i have rung isp (post office) they said the only thing that can be done is a snr reset, is that correct?

won't that put me in a new 10 day training period?, and is there a chance i would not get my ip profile of 3500 back?

is there anything else that can be done besides an snr reset?
many thanks

Could you post your current stats? See http://kitz.co.uk/adsl/frogstats.php

(Edit, seeing john's post made while I typed mine - a look at the stats now, including the error figures would be worthwhile first. End of edit).

Last thing to try is to turn the router off for at least 20 minutes. I suggest 30. Sometimes that can trigger it, and if it works it would be immediate.

If that fails then an snr reset by the Post Office is the way it usually gets sorted these days, though that is a bit of a sledgehammer to crack a nut. Yes, it does do a new 10-day training period, but in your case that isn't a worry. For more info on what it does see this page on my website.

As long as your sync is 4000+ then you will get the 3500kbps profile back.

Good luck, and let us know how things go.

Edited by RobertoS (Tue 03-May-11 08:30:54)

hi there

these are my current line stats
Port Status TxPkts RxPkts Collisions Tx B/s Rx B/s Up Time
WAN PPPoA 6510728 11935308 0 1575 13805 59:59:06
LAN 10M/100M 6676259 3638271 0 19684 1281 59:59:25
WLAN 11M/54M 5487349 3033276 0 14979 810 59:59:15

ADSL Link Downstream Upstream
Connection Speed 4416 kbps 448 kbps
Line Attenuation 39 db 10.5 db
Noise Margin 8 db 23 db

not sure if i have posted the error stats above?, have a netgear dg834g if someone could tell me how to find them

many thanks

I see at some point you have disconnected/reconnected. 2.5 days ago? Any particular reason, and have you done several?

If it is an 834Gv4 then instructions, to get the full stats, either use DMT or make sure telnet is enabled if you are on Vista or Win 7, then:-

Netgear instructions are:-

(Before you can telnet into a Netgear router you need to enter the following in your browser URL bar:-

http://192.168.0.1/setup.cgi?todo=debug

That opens a window empty except for �Debug Enabled�. You can close that window immediately).

telnet 192.168.0.1
adslctl info --stats

There is also the possibility with those stats that an snr reset will take you up to a 4000kbps IP Profile.

Has there been a history of instability?

In reply to a post by RobertoS:

I see at some point you have disconnected/reconnected. 2.5 days ago? Any particular reason, and have you done several?

oh yes i forgot i disconnected Sunday night (8.47 pm)for about 3 mins to see if that would push the ip profile up, but did not but gave a sync increase

i have no instability on my line been at 3.5 profile and just over 4000 sync for the last 4 yrs are so.

i have v3 of the router

many thanks

For v3

http://192.168.0.1/setup.cgi?todo=debug

From a command prompt

telnet 192.168.0.1

then

cat /proc/avalanche/avsar_modem_stats

exit

hi there

i copied "http://192.168.0.1/setup.cgi?todo=debug" into my browser address bar, entered the admin and password, then got a page saying debug enable!

opened cmd typed "telnet 192.168.0.1" and got the following

C:\Users\Home User>telnet 192.168.0.1
'telnet' is not recognized as an internal or external command
operable program or batch file.

i must be doing something wrong , many thanks

Windows?

I think telnet is an optional program you need to add/install from the control panel (at least that's my memory). Alternatively I'm sure there are free telnet client programs available on the www.

Try putty http://www.chiark.greenend.org.uk/~sgtatham/putty/ if you can't enable the Windows version.

many thanks , stats below , do they look ok ? . many thanks


AR7 DSL Modem Statistics:
--------------------------------
[DSL Modem Stats]
US Connection Rate: 448 DS Connection Rate: 4416
DS Line Attenuation: 39 DS Margin: 6
US Line Attenuation: 21 US Margin: 23
US Payload : 727775232 DS Payload: 408626
00
US Superframe Cnt : 13277752 DS Superframe Cnt: 132777
US Transmit Power : 0 DS Transmit Power: 0
LOS errors: 0 SEF errors: 0
Errored Seconds: 0 Severely Err Secs: 0
Frame mode: 3 Max Frame mode: 0
Trained Path: 1 US Peak Cell Rate: 1056
Trained Mode: 3 Selected Mode: 1
ATUC Vendor Code: 54535443 ATUC Revision: 2
Hybrid Selected: 3 Trellis: 1
Showtime Count: 1 DS Max Attainable Bit Rate: 4416 kbps
BitSwap: 1 US Max Attainable Bit Rate: n/a
Annex: AnxA psd_mask_qualifier: 0x0000
Power Management Status: L0 DS HLINSC: 0
US ACTPSD: -345 DS ACTPSD: -355
Total init. errors: 0 Total init. timeouts: 0
Showtime init. errors: 0 Showtime init. timeouts: 0
Last showtime init. errors: 0 Last showtime init. timeouts: 0
ATUC ghsVid: b5 00 54 53 54 43 00 00
T1413Vid: 00 00 T1413Rev: 00 VendorRev: 00
ATUR ghsVid: b5 00 54 53 54 43 00 00
T1413Vid: 00 00 T1413Rev: 00 VendorRev: 00

[Upstream (TX) Interleave path]
CRC: 19 FEC: 272 NCD: 0
LCD: 0 HEC: 680

[Downstream (RX) Interleave path]
CRC: 653 FEC: 811443 NCD: 0
LCD: 0 HEC: 0

[Upstream (TX) Fast path]
CRC: 0 FEC: 0 NCD: 1
LCD: 0 HEC: 0

[Downstream (RX) Fast path]
CRC: 0 FEC: 0 NCD: 0
LCD: 0 HEC: 0

[ATM Stats]
[Upstream/TX]
Good Cell Cnt: 15161984
Idle Cell Cnt: 223336504

Tx Packets Dropped Count: 0
Tx Bad Packets Count: 0

[Downstream/RX)]
Good Cell Cnt: 353566056
Idle Cell Cnt: 1997343843
Bad Hec Cell Cnt: 3683
Overflow Dropped Cell Cnt: 0
Rx Packets Dropped Count: 0
Rx Bad Packets Count: 0


[SAR AAL5 Stats]
Tx PDU's: 6825242
Rx PDU's: 12503204
Tx Total Bytes: 401551913
Rx Total Bytes: 3791118701
Tx Total Error Counts: 0
Rx Total Error Counts: 188


[OAM Stats]
Near End F5 Loop Back Count: 0
Near End F4 Loop Back Count: 0
Far End F5 Loop Back Count: 0
Far End F4 Loop Back Count: 0
SAR OAM Ping Response Drop Count=0
#
#

They look fine to me as long as your router has been up for several days (if it was several minutes I'd be concerned about the error counts).

One last question. Have you tried getting the stats from the test socket within modernish BT master sockets? You'd normally expect to sync a little bit higher with a 39dB attenuation.

hi there i only have the one socket an i am permanently plugged into the test socket , so the above stats are from the test socket many thanks

In that case I'd ask your ISP to do the SNR reset. Good luck!

just thought i would try one last speed test before ringing the post office , and my ip profile has decided to increase to 3500 many thanks to you both for your help, much appreciated

The wonders of the BT Profiling system!

Just out of interest, post the URL of what samknows says about byour exchange.

hi there

i am on a market 1 exchange ( live in a small village) so no cheap packages as such (no llu),

although i am very happy with the Post Office with home phone and broadband extra for 26.05 a month, no one can come close to them in terms of price,features and usage on a market 1 exchange. i have never seen slow speeds in the year or so i have been with them even at peak times.

once again many thanks

well over night my sync dropped to 3964 which means i now have a profile of 3000 again

i re booted this morning at 7.27 am with a sync of 5088

her are my current stats, wounder why i had a reduction in sync over night ? , many thanks

AR7 DSL Modem Statistics:
--------------------------------
[DSL Modem Stats]
US Connection Rate: 448 DS Connection Rate: 5088
DS Line Attenuation: 39 DS Margin: 8
US Line Attenuation: 21 US Margin: 23
US Payload : 25922160 DS Payload: 5092992
6
US Superframe Cnt : 712887 DS Superframe Cnt: 712888
US Transmit Power : 0 DS Transmit Power: 0
LOS errors: 0 SEF errors: 0
Errored Seconds: 0 Severely Err Secs: 0
Frame mode: 3 Max Frame mode: 0
Trained Path: 1 US Peak Cell Rate: 1056
Trained Mode: 3 Selected Mode: 1
ATUC Vendor Code: 54535443 ATUC Revision: 2
Hybrid Selected: 3 Trellis: 1
Showtime Count: 1 DS Max Attainable Bit Rate: 5088 kbps
BitSwap: 1 US Max Attainable Bit Rate: n/a
Annex: AnxA psd_mask_qualifier: 0x0000
Power Management Status: L0 DS HLINSC: 0
US ACTPSD: -345 DS ACTPSD: -360
Total init. errors: 0 Total init. timeouts: 0
Showtime init. errors: 0 Showtime init. timeouts: 0
Last showtime init. errors: 0 Last showtime init. timeouts: 0
ATUC ghsVid: b5 00 54 53 54 43 00 00
T1413Vid: 00 00 T1413Rev: 00 VendorRev: 00
ATUR ghsVid: b5 00 54 53 54 43 00 00
T1413Vid: 00 00 T1413Rev: 00 VendorRev: 00

[Upstream (TX) Interleave path]
CRC: 3 FEC: 204 NCD: 0
LCD: 0 HEC: 204

[Downstream (RX) Interleave path]
CRC: 16 FEC: 53110 NCD: 0
LCD: 0 HEC: 0

[Upstream (TX) Fast path]
CRC: 0 FEC: 0 NCD: 1
LCD: 0 HEC: 0

[Downstream (RX) Fast path]
CRC: 0 FEC: 0 NCD: 0
LCD: 0 HEC: 0

[ATM Stats]
[Upstream/TX]
Good Cell Cnt: 540045
Idle Cell Cnt: 12265019

Tx Packets Dropped Count: 0
Tx Bad Packets Count: 0

[Downstream/RX)]
Good Cell Cnt: 10610402
Idle Cell Cnt: 134818515
Bad Hec Cell Cnt: 129
Overflow Dropped Cell Cnt: 0
Rx Packets Dropped Count: 0
Rx Bad Packets Count: 0


[SAR AAL5 Stats]
Tx PDU's: 212515
Rx PDU's: 382483
Tx Total Bytes: 15937294
Rx Total Bytes: 499476563
Tx Total Error Counts: 0
Rx Total Error Counts: 1


[OAM Stats]
Near End F5 Loop Back Count: 0
Near End F4 Loop Back Count: 0
Far End F5 Loop Back Count: 0
Far End F4 Loop Back Count: 0
SAR OAM Ping Response Drop Count=0
#
#

The overnight re-sync is odd. If it happens again, please get the stats before rebooting.

Do you know whether you have a static or dynamic IP address?

It might be useful to download RouterStats and keep track of what your noise margin is doing. Set it to save graphs, and set the sampling interval to the lowest, I think that is 5 seconds. Setting it to log to file is a good idea too.

The good news is that your 5088kbps connection will get an IP Profile of 4000kbps if it is stable.

hi there i just had a look at my starts as my internet was running slow , here they are

ADSL Link Downstream Upstream
Connection Speed 5088 kbps 448 kbps
Line Attenuation 39 db 10.5 db
Noise Margin 0 db 23 db

the noise margin of 0 db looks concerning ? does this mean the router is due to re sync itself at a lower sync rate? , many thanks

just done a re sync here are the stats

ADSL Link Downstream Upstream
Connection Speed 4128 kbps 448 kbps
Line Attenuation 38 db 10.5 db
Noise Margin 5 db 24 db

this is the kind of sync rate ( the low four thousands) i get when it will stay at that for weeks and weeks with no problems

Yes, you have a highly variable noise margin, so may be best (for now) settling for the 4000+ mark to get a 3500kbps profile.

It would be a good idea to install RouterStats as I suggested. That is really good for spotting patterns in the variation, and may even give a clue to the cause. It could very well be something under your control and easily fixed, so you could get a 4000 or 4500 profile. A line the length of yours ought to be able to.