Thread: Help Regarding Adsl link

Hi guys i have a type 2 nokia siemens modem, and im in home 500 plan, throughout the day im getting good conectivity but after 12 midnight my adsl link constantly does of every 5 or ten minutes , again in the morning it works fine , i have tried rebooting the modem , switching it on and off during that time have you please suggest me what to do ? My SNR margin during night is 7.3,21 and on another day it was 7.1 , 20 ,,, please help me out
thanks

1.
Your line SNR is bad. d/l 7.3 u/l 21 Attn ?
2.
Are you using Desktop or Laptop in WiFi mode ?
3.
Post daytime SNR ATTN d/l U/L etc.
Copy/paste possible here.
or screen shot of the page as Jpg annexure.

Status SHOWTIME
Mode G.DMT
Type Interleave

Downstream Upstream
Rate (Kbps) 2042 484
SNR Margin (dB) 6.7 21.0
Attenuation (dB) 56.0 28.5
Attainable Rate (Kbps): 2422 1168
Output Power (dBm) 12.1 19.1
Super Frames 23363 23362
Super Frame Errors 42 10


i took these data on 21.11.09 at 10.10AM
i am using desktop, im not using the wi-fi just the ethernet.

Check your telephone junction:
Check cable joints/connectors for rusting/blackening/oxidization/
high resistance contacts.
Ensure Rj11 short cables are used.

Register complaint
reg Broadband
Inform Telephoneworking OK.
No cracklng noise/"hissing"
Bell ringing sound normal.

i checked the cables given at my home, nothing seems to be wrong so i ve called the bsnl linemen to check the connection, thanks.

Hi , the guys from bsnl came and checked the cables n the line and they said that there s nothing wrong with the wiring .. but still i have the same snr values wat shud i do next ??????

also it would be really nice if you could tell me if i need to tweak the settings in my modem,, its the new type 2 modem provided by bsnl , nokia siemens networks 1600. . thanks in advance

the snr value that i checked on 21/11/09 is 6.6,16 at 9.53 PM

SL2_141 ADSL MODEM (Type-B) CONNECTION
check setup. ADSL splitter.
Same modem similar to yours.

the adsl connection is similar to the diagram provided in the link that u have given me sir

can you tell me in what mode should i connect ? there are various settings

h t t p ://tinypic.com/r/b84ql0/6

h t t p://i46.tinypic.com/b84ql0.png

Probably you are far away from the exchange.
Telephone line Ok for voice calls,
but BB signals are badly attenuated.
Call JTO on 23rd and ask for remedial action.
or change the modem/router.

Please drop "sir' here.

this is my current status at 10.45 pm h t t p://i47.tinypic.com/2m6abl0.png

alrite ill leave the sir part . . .

could u plz tell me about the modem settings based on the screenshots that i have posted ??

http://i46.tinypic.com/b84ql0.png
uncheck Box Annexe M enabled.
Uncheck SRA enabled.
Save Reboot .wait for two minutes.

2.http://i47.tinypic.com/2m6abl0.png
seems snr has improved. above 10 db. D/L.
you should be at least 5 to 7 Km from the exchange .confirm.
But ATTN should reduce. less than 30 db acceptable.

3. Feedback: on above.
copy/paste this data ( No edit )
In computer
Start run type cmd Ok
New window
type ipconfig /all

http://i19.tinypic.com/6kqygzt.jpg
see these settings.

Microsoft Windows [Version 6.1.7600]
Copyright (c) 2009 Microsoft Corporation. All rights reserved.



Windows IP Configuration

Host Name . . . . . . . . . . . . : Jackal
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No

Ethernet adapter Local Area Connection 2:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Bluetooth PAN Network Adapter
Physical Address. . . . . . . . . : 00-03-0D-00-00-01
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes

Ethernet adapter Bluetooth Network Connection:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Bluetooth Device (Personal Area Network)
Physical Address. . . . . . . . . : 11-11-11-11-11-11
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes

Ethernet adapter Local Area Connection:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Intel(R) PRO/100 VE Network Connection
Physical Address. . . . . . . . . : 00-19-D1-EF-47-73
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::952f:a5b8:b5b6:1629%11(Preferred)
IPv4 Address. . . . . . . . . . . : 192.168.1.163(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 192.168.1.1
DHCPv6 IAID . . . . . . . . . . . : 234887633
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-12-7D-DD-29-00-19-D1-EF-47-73

DNS Servers . . . . . . . . . . . : 156.154.70.22
156.154.71.22
NetBIOS over Tcpip. . . . . . . . : Enabled

Tunnel adapter Teredo Tunneling Pseudo-Interface:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
IPv6 Address. . . . . . . . . . . : 2001:0:d5c7:a2d6:34dc:1d5b:8a36:da8a(Pref
erred)
Link-local IPv6 Address . . . . . : fe80::34dc:1d5b:8a36:da8a%14(Preferred)
Default Gateway . . . . . . . . . : ::
NetBIOS over Tcpip. . . . . . . . : Disabled

Tunnel adapter isatap.{476AA8CD-755E-44E1-B55A-DC4454D4A672}:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter #4
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes

Tunnel adapter isatap.{FE64765E-5E96-40A0-9AC0-F2F6D432DB5B}:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter #5
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes

Tunnel adapter isatap.{C0E1F6A2-28F9-4008-B74C-092896A5ABB4}:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter #6
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes

are you telling me to check all the options in the dsl settings in the modem other than sra ??

im sending you the screenshots of my latest setting and the response, plz tell me wat to do next. . .
1. h t t p://i47.tinypic.com/2s7g8s0.jpg
2. h t t p://i48.tinypic.com/2rglw6a.jpg

(a)
CHANGE the DNS to 208.67.220.220
and 208.67.222.222 in the TCp/IP page
(b)
as well as in Modem ( see under DNS)
Disable IPv6 in TCp/Ip properties page.

(c)Also change to Obtain IP address automatically.
in TCP/IP settings page.

DNS Servers . . . . . . . . . . . : 156.154.70.22
156.154.71.22

IP Address Country Region City Latitude/
Longitude ZIP Code Time Zone
156.154.71.22 UNITED STATES VIRGINIA STERLING 39.0099
-77.4271 20166 -04:00
Net Speed ISP Domain
DSL NEUSTAR INC SPEAKEASY.NET
The other DNS is also same.

IPv4 Address. . . . . . . . . . . : 192.168.1.163(Preferred

seems Ok.

i called the bsnl guys and they changed my connection these are the values that i am getting now, are they ok, kindly inform me
Status SHOWTIME
Mode G.DMT
Type Interleave

Downstream Upstream
Rate (Kbps) 2042 484
SNR Margin (dB) 27.2 27.0
Attenuation (dB) 49.0 27.5
Attainable Rate (Kbps): 7545 1367
Output Power (dBm) 12.1 19.1
Super Frames 22478 22418
Super Frame Errors 0 0

Attenuation (dB) 49.0 27.5

May have intermittent connections.
Should reduce from 49 db. d/l

feedback on other post awaited regarding DNS

well i use the open dns servers and they seem to work pretty good, how can i reduce the attenuation now ??

Post speed test result from this website.

from which website ?

Speedtest.net - The Global Broadband Speed Test

Airtel
requires only about 2.6 MB/ for each test.
or
http://speedtest.gorge.net/speed/ mini test
or
http://speedtest.gorge.net/2mspeedtest.asp needs about 2 MB.
or
speedtest.net will need about 15MB for each test.

with various tests im getting an average of 180-210 kilo bytes persecond speed, its a good speed, i was able to download stuff for around 4 GB last night, thanks for your help.