Geekzone: technology news, blogs, forums
Welcome Guest.
You haven't logged in yet. If you don't have an account you can register now.

2463 posts

Uber Geek
+1 received by user: 735

Lifetime subscriber

Topic # 198517 12-Jul-2016 11:53
Send private message

Troubleshooting something weird for a client...


Two temporary work sites are using a TP-Link Archer MR200 4G Router with a 2Degrees SIM card.  One laptop is normally connected via cable, plus a networked printer/scanner.


Client starts a VPN connection from within Windows 7 using the baked in WIndows VPN software to a Cyberoam VPN Firewall at the Head Office end.  At this point, for troubleshooting reasons, we start a constant ping to the internal web server (which runs a custom web application that has no security - hence the VPN being required to access it instead of it being available directly across the internet).  The ping responds fine.


If you then try to access the web application via FF or IE, the traffic across the VPN stops.  The ping stops, and the browser times out when trying to access the internal web server over the VPN.  Internet access is fine (as the 'use default gateway on remote network' is unticked ion the VPN properties).  Disconnect the VPN and try again...  same things happens.  Disconnect the VPN again, use Chrome, and it all works fine.  The ping keeps going, and the application works fine.


If the guy tethers the laptop to his iPhone, the VPN works fine and he can use any browser.


A case has been logged with TP-Link, but to be honest I'm not expecting much of a response.


Any ideas or suggestions would be appreciated.

"4 wheels move the body.  2 wheels move the soul."

“Don't believe anything you read on the net. Except this. Well, including this, I suppose.” Douglas Adams

Create new topic
448 posts

Ultimate Geek
+1 received by user: 85

  Reply # 1590278 12-Jul-2016 12:54
Send private message

That's an unusual situation. I can't see that it would affect it but have you checked/cleared the lan/proxy settings in the browser(s)?




If after starting the connection and the ping, you then open the browser you can surf anywhere you like until you open the web app over the VPN at which point you lose connectivity to the VPN? Does connectivity resume if you close the browser? Can you still surf the net after this issue?





BDFL - Memuneh
61746 posts

Uber Geek
+1 received by user: 12407

Lifetime subscriber

  Reply # 1590288 12-Jul-2016 13:24
Send private message

Some browsers use their own network settings, other browsers use the system settings. Perhaps your system is set to use a proxy or to automatically look for proxy settings? Open Internet Explorer | Settings |  Connections | LAN Settings and check it:


Create new topic

Twitter »

Follow us to receive Twitter updates when new discussions are posted in our forums:

Follow us to receive Twitter updates when news items and blogs are posted in our frontpage:

Follow us to receive Twitter updates when tech item prices are listed in our price comparison site:

Geekzone Live »

Try automatic live updates from Geekzone directly in your browser, without refreshing the page, with Geekzone Live now.

Are you subscribed to our RSS feed? You can download the latest headlines and summaries from our stories directly to your computer or smartphone by using a feed reader.

Alternatively, you can receive a daily email with Geekzone updates.