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I am using Home 500 Plan of DATAONE. I d/l a lot of s/w, and movies as well frm torrent sites. Now from two days back i cudn't connect to net, each time i am trying to do so its showing Error 678. I have tried accessing my account from different pcs and its working fine. ADSL Link is always glowing. I cudn't disable my LAN connection, showing this connection cannot be terminated at this moment as some other account or user is accessing it.
I have Bit Defender Plus 10 AV + Zone Alarm Pro installed none detected any malicious stuff.
Pls help guys.

Choto Cheeta

Refer here,

BSNL said:
Problem : Error-678

Description : This is most common problems. It is due to poor connectivity. Problem can be anywhere between B.RAS - Tier 2 - DSLAM - Modem - PC of the customer.

Remedy : Switch off / Switch on Modem (Power Switch at the back of modem ) and wait for 2 minutes. Then retry.

If problem is not solved then Reset Modem [Back pin (in the hole) to be pressed in switched ON condition]

[Note : Link PC in black type Modem or WAN / LAN in white type Modem will go Off and then ON and system may be stable. Then retry.

If problem is still not solved then

a)Check link lamp in Black type Modem or WAN lamp in White Modem. If it is blinking, then it is line problem.

b)Check Modem to splitter connectivity.
i) Jack in & Jack out the cable of / to the modem and to the splitter
ii)Jack in & Jack out the telephone connection of the splitter.
If lamp is still blinking - then it is due to poor line condition / fault.
The case has to be referred to Area Broadband Team for attending the fault.


Is the modem properly configured
Set your PC'S config as

ip Address As
Subnet Maswk As
Default Gategay As
Prefferd DNS
Alternet DNS

Now config your router

Open your browser (preferably Internet Explorer ) and goto
Input as follows
(if you havent changed it)

Now goto Home->WAN Settings and there,(OR find something like that)
PVC Number - PVC-0
Wan Type - RFC2684Bridged
VPI/VCI - 0/35
Encap. - LLC

The configration steps differs form model to model but the values remain same
Now try connecting
Sometimes the problem might be from their side


thanx saurav and sumeet....
buddy, all of the subscribers from my local telephone exchange were gettin the same error for past few dayz
we moved together....
BSNL officials are lookin into dis
taken 1 day time for solution
lets c wat they do
seems it is a problem from their counterpart
all of us here havin same problems....
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