ADSL Link is very unstable, please help me

raddy

Regular
Messages
383
Location
Coimbatore
ISP
Reliance JioFiber
Hello Everybody

I hope some of you may recognize in this forum as a Happy BSNL Broadband user from Bangalore.

But not any more.

Since around 1 month, the connectivity is badly unstable.
The lack stability in the connectivity is very irregular.
We are living in an apartment and line man from BSNL checked the phone line twice.
He even replaced the wires joining the concealed wires for our apartment.
He closed the complaint himself by suggesting to check the concealed wires with an electrician.
I don't expect any issues in the concealed wiring, even if, the lack of stability should be consistent.

I have a Teracomm Type 2 router.

Here is the overview.

----------

System Information
Model NameT2-B-Gawv1.4U10Y-BI
Firmware Version10.4.3.12.12
DSL Firmware VersionE.25.41.64 A
Wireless Version1.20
System Up time01:19:57s
Internet Connection
DSL StatusConnected
Last Failed0x00000065
Downstream Data Rate3997 kbps
Upstream Data Rate494 kbps
Max Att Downstream Rate4264 kbps
Max Att Upstream Rate1140 kbps
SNR (Downstream)6.70 dB
SNR (Upstream)23.5 dB
Line Attentuation(Downstream)53.5 dB
Line Attentuation(Upstream)28.5 dB
Connected StandardADSL2+

 

essbebe

MODERATOR
Messages
9,794
Location
NA
ISP
BSNL
ATTN is high. Just un check ADSL2+ button. Save reboot and recheckSNR Attn values.
 

essbebe

MODERATOR
Messages
9,794
Location
NA
ISP
BSNL
Please also confirm problem solved or not. Whether connection stability improved.SNR expected to improve at least by 2 dB or 3 dB.
 
C

chetan31

which attenuation level should be check for line quality , is it local attenuation or remote line attenuation.

my data shows, pls suggest if it is best?
Remote Line Attn 24.5 dB
Local Line Attn 40.5 dB
 

essbebe

MODERATOR
Messages
9,794
Location
NA
ISP
BSNL
Check Remote SNR/ ( download ) Local SNR (upload ) ( above 10 dB)Attn usually remains same. Acceptable. values now. ( Below 30 dB preferred)
 


raddy

Regular
Messages
383
Location
Coimbatore
ISP
Reliance JioFiber
thanks essbebe and x760 for your quick reports, I didn't get email notifications of your replies.just now checked.I will now try disable Adsl2+ and let you know the results.
 

raddy

Regular
Messages
383
Location
Coimbatore
ISP
Reliance JioFiber
I have now disabled adsl2+.attn at this time was 56 and now it is 54 now.and in snr the biggest improvement observed.I am getting 9.24 as snr downstream values. I didnt get 9+ snr values for downstream at any point of time recently.since yesterday night, the connection became as stable somehow.but I expect the problems in peek hours, so I'll observe the results at the time and let you all know.
 

x720

Incoherent Poster
Messages
10,414
Location
Gurgaon | Mumbai
ISP
airtel, BSNL, MTNL
These values are still very bad, if you install the modem closest to the pair box, you can be certain of the concealed wire to a certain extent.
 

raddy

Regular
Messages
383
Location
Coimbatore
ISP
Reliance JioFiber
My connection speed and stability purely appears to be time bound.
My connection appeared to became stable since last night but it lasted only till today morning.
Now ADSL link disconnects every 5 minutes.
I was always getting 3+MBps since last night even in foreign servers such as Kuwait till today morning.
Now i am hardly getting 1MBps even in Chennai Servers.

Here is the current reading.

System Information
Model NameT2-B-Gawv1.4U10Y-BI
Firmware Version10.4.3.12.12
DSL Firmware VersionE.25.41.64 A
Wireless Version1.20
System Up time02:54:11s
Internet Connection
DSL StatusConnected
Last Failed0x00000000
Downstream Data Rate3993 kbps
Upstream Data Rate496 kbps
Max Att Downstream Rate4236 kbps
Max Att Upstream Rate1072 kbps
SNR (Downstream)6.50 dB
SNR (Upstream)23.5 dB
Line Attentuation(Downstream)54.5 dB
Line Attentuation(Upstream)28.5 dB
Connected StandardADSL2


Pleases suggest the course of action i can take, i am clueless as of now.

----------

My JTO is refusing to accept the problem i am experiencing to be a BSNL Network issue.
But, i think it cannot be a phone line issue either, if it is, how can the connectivity become unstable in day time only
 

x720

Incoherent Poster
Messages
10,414
Location
Gurgaon | Mumbai
ISP
airtel, BSNL, MTNL
From what I can gather some of the BSNL gateways have issues with them (insanely high latency), though I doubt that would affect snr values. For example, even when I'm connected to a faulty gateway my downstream SNR remains constant at 30.3 dB and attenuation at 1.8 dB. You could try emailing the NOC or complaining to your SSA's GM, both will result in some quick action.

O/o DGM ( Broadband,Multiplay,Admin),Bangalore - http://www.datanetwork.bsnl.co.in/aboutus.htm

What were your snr values before the issues started ?

Someone from BSNL just paid a visit, there is some issue at the NOC, he said they've forwarded the complaint, should get resolved today.

On my 2mbps plan :p
 

raddy

Regular
Messages
383
Location
Coimbatore
ISP
Reliance JioFiber
I am not sure what magic has happened since the email i sent to NOC and GM Broadband yesterday night.
As of now, the ADSL link has not dropped even once so far.
Speeds are rocking at 3+ MBps.
Latency is very very low.
Fingers crossed.

Still the latency and snr are bad.
So, there isn't any relation to the connection quality between these technical parameters?


System Information
Model NameT2-B-Gawv1.4U10Y-BI
Firmware Version10.4.3.12.12
DSL Firmware VersionE.25.41.64 A
Wireless Version1.20
System Up time19:29:52s
Internet Connection
DSL StatusConnected
Last Failed0x00000065
Downstream Data Rate3997 kbps
Upstream Data Rate499 kbps
Max Att Downstream Rate4196 kbps
Max Att Upstream Rate1038 kbps
SNR (Downstream)6.10 dB
SNR (Upstream)23.0 dB
Line Attentuation(Downstream)53.0 dB
Line Attentuation(Upstream)28.0 dB
Connected StandardADSL2

----------

One more crucial thing to note is.
Today power has not been cut even once.
If our apartment's generator provides the power, my router doesn't like that.
It would destabilize the ADSL Link.

Please share your ideas on possible solution for this problem.