Thread: Unable to connect to office VPN from home

Hello,
Can anyone help in resolving this issue? I have a DNA-A211-I modem from BSNL. My laptop has Windows XP SP2. Please help. I am connecting via wi-fi and using PPoE mode. Some suggest to change to Bridge mode, but I dont want to that.
Sometimes back it was working. But recently BSNL replaced that faulty modem with new one (Both DNA-A211-I modems). Now it has stopped working. I have no clue what could be the problem. Please help me.
Thanks a lot in advance.

@raj29shenoy

CONDITION

Some suggest to change to Bridge mode, but I dont want to that

.

1.Confirm you are able to surf the internet in WIFI mode
with different computers/ in your home desktop/ laptop. ( how many in local LAN ?)

2.

and using PPoE mode

PPP/PPPoE
meaning your connection is "ALWAYS ON "
You may have to do port forwarding to access VPN.

3.Confirm in the menu of the router VPN option is available or not.
4.
REF:
A.How to Set Up VPN Connections in Microsoft Windows XP

B.http://compnetworking.about.com/od/w...vpnconnect.htm


C. similar modem router
h t t p://chennai.bsnl.co.in/BBS/WA3002G4.htm

Sorry about off topic : Can somebody give a rough idea about what is VPN. Not necessary to post here if it is annoying please use visitor messaging in that case. Thought will be enlightening if asked in this thread.

Are you using any vendor VPN clients or windows? What is the error you get?

Originally Posted by meetdilip

Sorry about off topic : Can somebody give a rough idea about what is VPN. Not necessary to post here if it is annoying please use visitor messaging in that case. Thought will be enlightening if asked in this thread.

@meetdilip
VPN is a virtual private network.
Internet is a Public network where everyone is sending, transmitting and communicating with each other. So how to transfer data privately? one such method is VPN...building private network in public network.

When you say that "i connect through VPN to my office from my home"...it means ...you establish a private network between your home and office....private network in the sense..all VPN traffic are encrypted...

Thanks. Really simple enough to understand.

Only for reference !

O

@skap
over to you !

Some modems have an option in the "Security" menu that allow/disallow VPN connections. Check this out.

@essbebe:
1. I can surf the net in wifi mode with different laptops simultaneously. (me and my wife use laptop, she is the one who needs this VPN connection to connect to her office, i use it for personal use, so i dont need VPN)
2. I use PPP/PPPoE which means internet is always on. Can you tell me to which port i should port forward to? I have already port forwarded to port 49200 for the bittorrent.
3. I cannot find the VPn option in the router menu (but i am sure vpn can be used via this router as my earlier router was doing it (as told in the original post))

Originally Posted by raj29shenoy

2. I use PPP/PPPoE which means internet is always on. Can you tell me to which port i should port forward to? I have already port forwarded to port 49200 for the bittorrent.

what is the VPN software used? can you post results of "netstat -abn" command?

Originally Posted by skap

what is the VPN software used? can you post results of "netstat -abn" command?

I use Contivity VPN client from Nortel Networks.

Result of the command:
D:\>netstat -abn

Active Connections

Proto Local Address Foreign Address State PID
TCP 0.0.0.0:23 0.0.0.0:0 LISTENING 2328
[tlntsvr.exe]

TCP 0.0.0.0:135 0.0.0.0:0 LISTENING 332
c:\windows\system32\WS2_32.dll
C:\WINDOWS\system32\RPCRT4.dll
c:\windows\system32\rpcss.dll
C:\WINDOWS\system32\svchost.exe
-- unknown component(s) --
[svchost.exe]

TCP 0.0.0.0:445 0.0.0.0:0 LISTENING 4
[System]

TCP 0.0.0.0:1073 0.0.0.0:0 LISTENING 3188
[dsmcad.exe]

TCP 0.0.0.0:1581 0.0.0.0:0 LISTENING 3188
[dsmcad.exe]

TCP 0.0.0.0:2952 0.0.0.0:0 LISTENING 764
[ManagementAgentNT.exe]

TCP 0.0.0.0:2953 0.0.0.0:0 LISTENING 764
[ManagementAgentNT.exe]

TCP 0.0.0.0:3104 0.0.0.0:0 LISTENING 1004
[cam.exe]

TCP 0.0.0.0:3306 0.0.0.0:0 LISTENING 1760
[mysqld-nt.exe]

TCP 0.0.0.0:3389 0.0.0.0:0 LISTENING 1440
-- unknown component(s) --
c:\windows\system32\rpcss.dll
C:\WINDOWS\system32\svchost.exe
-- unknown component(s) --
[svchost.exe]

TCP 0.0.0.0:4105 0.0.0.0:0 LISTENING 1004
[cam.exe]

TCP 0.0.0.0:4728 0.0.0.0:0 LISTENING 3896
[caf.exe]

TCP 0.0.0.0:5556 0.0.0.0:0 LISTENING 1832
[SBMGRNT.EXE]

TCP 0.0.0.0:6129 0.0.0.0:0 LISTENING 1460
[DWRCS.EXE]

TCP 0.0.0.0:8192 0.0.0.0:0 LISTENING 1488
[RouterNT.exe]

TCP 0.0.0.0:8193 0.0.0.0:0 LISTENING 1488
[RouterNT.exe]

TCP 0.0.0.0:8194 0.0.0.0:0 LISTENING 1488
[RouterNT.exe]

TCP 127.0.0.1:1097 0.0.0.0:0 LISTENING 3564
[alg.exe]

TCP 127.0.0.1:62514 0.0.0.0:0 LISTENING 1164
[cvpnd.exe]

TCP 192.168.4.200:139 0.0.0.0:0 LISTENING 4
[System]

TCP 127.0.0.1:1106 127.0.0.1:4105 ESTABLISHED 2648
[cfsmsmd.exe]

TCP 127.0.0.1:1109 127.0.0.1:4105 ESTABLISHED 3896
[caf.exe]

TCP 127.0.0.1:1117 127.0.0.1:4105 ESTABLISHED 3700
[ccnfagent.exe]

TCP 127.0.0.1:1123 127.0.0.1:4105 ESTABLISHED 3896
[caf.exe]

TCP 127.0.0.1:1124 127.0.0.1:4105 ESTABLISHED 2900
[cfnotsrvd.exe]

TCP 127.0.0.1:1130 127.0.0.1:4105 ESTABLISHED 2900
[cfnotsrvd.exe]

TCP 127.0.0.1:1132 127.0.0.1:4105 ESTABLISHED 2900
[cfnotsrvd.exe]

TCP 127.0.0.1:1133 127.0.0.1:4105 ESTABLISHED 2900
[cfnotsrvd.exe]

TCP 127.0.0.1:1134 127.0.0.1:4105 ESTABLISHED 2152
[ccsmagtd.exe]

TCP 127.0.0.1:1141 127.0.0.1:4105 ESTABLISHED 2152
[ccsmagtd.exe]

TCP 127.0.0.1:1142 127.0.0.1:4105 ESTABLISHED 2152
[ccsmagtd.exe]

TCP 127.0.0.1:1146 127.0.0.1:4105 ESTABLISHED 2520
[amswmagt.exe]

TCP 127.0.0.1:1148 127.0.0.1:4105 ESTABLISHED 3896
[caf.exe]

TCP 127.0.0.1:1150 127.0.0.1:4105 ESTABLISHED 3176
[cfftplugin.exe]

TCP 127.0.0.1:1151 127.0.0.1:4105 ESTABLISHED 3896
[caf.exe]

TCP 127.0.0.1:1152 127.0.0.1:4105 ESTABLISHED 3176
[cfftplugin.exe]

TCP 127.0.0.1:1153 127.0.0.1:4728 ESTABLISHED 3176
[cfftplugin.exe]

TCP 127.0.0.1:1154 127.0.0.1:4105 ESTABLISHED 3896
[caf.exe]

TCP 127.0.0.1:1183 127.0.0.1:4105 ESTABLISHED 2648
[cfsmsmd.exe]

TCP 127.0.0.1:2944 127.0.0.1:2945 ESTABLISHED 1488
[RouterNT.exe]

TCP 127.0.0.1:2945 127.0.0.1:2944 ESTABLISHED 1488
[RouterNT.exe]

TCP 127.0.0.1:2949 127.0.0.1:2950 ESTABLISHED 764
[ManagementAgentNT.exe]

TCP 127.0.0.1:2950 127.0.0.1:2949 ESTABLISHED 764
[ManagementAgentNT.exe]

TCP 127.0.0.1:4105 127.0.0.1:1151 ESTABLISHED 1004
[cam.exe]

TCP 127.0.0.1:4105 127.0.0.1:1134 ESTABLISHED 1004
[cam.exe]

TCP 127.0.0.1:4105 127.0.0.1:1106 ESTABLISHED 1004
[cam.exe]

TCP 127.0.0.1:4105 127.0.0.1:1130 ESTABLISHED 1004
[cam.exe]

TCP 127.0.0.1:4105 127.0.0.1:1146 ESTABLISHED 1004
[cam.exe]

TCP 127.0.0.1:4105 127.0.0.1:1150 ESTABLISHED 1004
[cam.exe]

TCP 127.0.0.1:4105 127.0.0.1:1117 ESTABLISHED 1004
[cam.exe]

TCP 127.0.0.1:4105 127.0.0.1:1154 ESTABLISHED 1004
[cam.exe]

TCP 127.0.0.1:4105 127.0.0.1:1132 ESTABLISHED 1004
[cam.exe]

TCP 127.0.0.1:4105 127.0.0.1:1142 ESTABLISHED 1004
[cam.exe]

TCP 127.0.0.1:4105 127.0.0.1:1133 ESTABLISHED 1004
[cam.exe]

TCP 127.0.0.1:4105 127.0.0.1:1109 ESTABLISHED 1004
[cam.exe]

TCP 127.0.0.1:4105 127.0.0.1:1141 ESTABLISHED 1004
[cam.exe]

TCP 127.0.0.1:4105 127.0.0.1:1183 ESTABLISHED 1004
[cam.exe]

TCP 127.0.0.1:4105 127.0.0.1:1148 ESTABLISHED 1004
[cam.exe]

TCP 127.0.0.1:4105 127.0.0.1:1124 ESTABLISHED 1004
[cam.exe]

TCP 127.0.0.1:4105 127.0.0.1:1123 ESTABLISHED 1004
[cam.exe]

TCP 127.0.0.1:4105 127.0.0.1:1152 ESTABLISHED 1004
[cam.exe]

TCP 127.0.0.1:4728 127.0.0.1:1153 ESTABLISHED 3896
[caf.exe]

TCP 192.168.4.200:2951 192.168.4.200:8194 ESTABLISHED 764
[ManagementAgentNT.exe]

TCP 192.168.4.200:2953 192.168.4.200:2954 ESTABLISHED 764
[ManagementAgentNT.exe]

TCP 192.168.4.200:2954 192.168.4.200:2953 ESTABLISHED 1488
[RouterNT.exe]

TCP 192.168.4.200:8194 192.168.4.200:2951 ESTABLISHED 1488
[RouterNT.exe]

UDP 0.0.0.0:445 *:* 4
[System]

UDP 0.0.0.0:3002 *:* 3896
[caf.exe]

UDP 0.0.0.0:1481 *:* 3204
[OUTLOOK.EXE]

UDP 0.0.0.0:4104 *:* 1004
[cam.exe]

UDP 127.0.0.1:1025 *:* 1272
[lsass.exe]

UDP 127.0.0.1:2457 *:* 3204
[OUTLOOK.EXE]

UDP 127.0.0.1:2839 *:* 5816
[iexplore.exe]

UDP 127.0.0.1:62514 *:* 1164
[cvpnd.exe]

UDP 127.0.0.1:123 *:* 1216
c:\windows\system32\WS2_32.dll
c:\windows\system32\w32time.dll
ntdll.dll
C:\WINDOWS\system32\kernel32.dll
[svchost.exe]

UDP 127.0.0.1:1444 *:* 2068
[iexplore.exe]

UDP 127.0.0.1:1101 *:* 288
[winlogon.exe]

UDP 192.168.4.200:123 *:* 1216
c:\windows\system32\WS2_32.dll
c:\windows\system32\w32time.dll
ntdll.dll
C:\WINDOWS\system32\kernel32.dll
[svchost.exe]

UDP 192.168.4.200:137 *:* 4
[System]

UDP 192.168.4.200:138 *:* 4
[System]

Originally Posted by skap

Are you using any vendor VPN clients or windows? What is the error you get?

I use Contivity VPN client from Nortel Networks. Error I get is "Login failure due to: Remote host not responding"

i cldnt get clue from this.!

Do port triggering for UDP 500 and let us know.


:excl: didn't your IT admin give you any instructions?

also if you see any simple option like "Enable IPSec" in your modem, you can enable that and try. That will solve all issues with VPN.

Originally Posted by skap

i cldnt get clue from this.!

Do port triggering for UDP 500 and let us know.


:excl: didn't your IT admin give you any instructions?

also if you see any simple option like "Enable IPSec" in your modem, you can enable that and try. That will solve all issues with VPN.

I have done the port forwarding to UDP 500. But how to do the port triggering?

There was a simple option in the modem to enable IPv6, which I have enabled, but no success

not IPV6...IPSec orelse VPN..if you find these option...enable them..
or do you have anywhere IPSEC/L2TP/PPTP pass through?

what was your old modem before replacement? was it same DNA-A211-I modem?

Originally Posted by skap

not IPV6...IPSec orelse VPN..if you find these option...enable them..
or do you have anywhere IPSEC/L2TP/PPTP pass through?

what was your old modem before replacement? was it same DNA-A211-I modem?

yes it was same DNA-A211-I. I am not able to find IPSEC/L2TP/PPTP pass through anywhere

yes it was same DNA-A211-I. I am not able to find IPSEC/L2TP/PPTP pass through anywhere

@raj29shenoy

try 192.168.1.1/main.html
or
192.168.1.1/index1.html

previously also did you connect through PPPOE mode in modem?
did you check if any port is blocked in your windows firewall or any other software?

Originally Posted by essbebe

@raj29shenoy

try 192.168.1.1/main. h t m l
or
192.168.1.1/index1.html[

192.168.1.1/main. h t m l just shows the main page as in 192.168.1.1 and 92.168.1.1/index1. h t m l just shows a blank page.

Originally Posted by skap

previously also did you connect through PPPOE mode in modem?
did you check if any port is blocked in your windows firewall or any other software?

previously too I was using PPPoE mode. How to check if any port is blocked by the windows firewall or any other software. Sorry for too many questions, but i am little unfamiliar with these topics. Thanks for ur support

You can find port checker tool from portforward.com

Originally Posted by raj29shenoy

How to check if any port is blocked by the windows firewall or any other software. Sorry for too many questions, but i am little unfamiliar with these topics. Thanks for ur support

Disabling the Firewall Using the Control Panel

1. From the Start menu, select Control Panel, then select Windows Firewall.
2. Select Off, then click Ok.

Disable and check !

simple it is just go through your router configuration and select UPnP option as enabled.....and then try connecting to ur office VPN it will 110% work....

@raj29shenoy
My earlier post.

try 192.168.1.1/main.html
or
192.168.1.1/index1.html

correction:
Please try 192.168.1.1/html/index1.html

Guys,

any luck! I am also facing the same issue...

Thanks in advance

Guys ,

I had a DNA A211 modem which got damged and i have purchased terracom Type2 from BSNL. I can connect to Internet using PPPOE @4MBPS speed at home

But i cant access any of the office network resources when connected on VPN


Any suggestions. I strongly feel that some setting on the Modem should be enabled . Where as my office network connects fine using one of my friends old bsnl modem

Help !!

Thanks
Srini

(A)(B9B)From Post No 20:
simple it is just go through your router configuration and select UPnP option as enabled.....and then try connecting to ur office VPN it will 110% work....
(B)
For teracom model settings details etc ;see my signature link Teracom.
(C)
Presume you use a Dialer to connect to VPN network.

more on feedback.

Friends,

This great Teracom TYPE2 Modem doesnt have the option so called "UPNP"in any of the settings when i get into the Router..

yes , I have seen this option in other brand modems lilke Siemens /Dlink

I have escalated this to Terracom Nodia team and BSNL Hyderabad team.

No one has any clue why its not connecting.

Infact the BSNL Team here has given me 2 NEW Terracom Modems for testing and none will connect to my office network. (I mean Intranet) and Internet works at 4MBPS.

Just to add... when i say (VPN) its a simple connectivity s/w given by company and i have been using this on my laptop and desktop for 3yrs with NO single issue with my old modem .

For testing purpose, i have removed all the BSNL modems and connected my laptop with the Reliance WIFI USB High speed modem and also the TATAPhoton wifi an d it connects in less than 30 seconds. (Can access Internet and my Office Intranet )Happily .

I played much with my laptop like enabling, disabling Firewalls, added and removed the DNS/ WINS for testing, Uninstalled and Reinstalled TCPIP, My vpn software etc ... nothing work !!


Any suggestions for me

Thanks
Srini