Cannot connect to work intranet sites via VPN

Cannot connect to work intranet sites via VPN

Cannot connect to work intranet sites via VPN
Cannot connect to work intranet sites via VPN
2024-05-03 00:10:11
Tags: #VPN

Hi,

 

My old setup was a ZTE modem and the TP-Link Archer AX55 as the router (got this for better wifi).

 

My internet has dropping out all the time and I narrowed it down to the ZTE modem.

 

So, I swapped it out and purchased a TP-Link archer VR300 (and still have the TP-Link Archer AX55 as the router).

 

This solved the issue with my internet dropping out all the time.

 

However, now there is another issue. I work from home and when I try to use my companies VPN (through OpenVPN Connect) it connects ok, but I can't access my company intranet sites / backend systems which makes work a bit hard.

 

To try and isolate the issue I swapped back to the ZTE modem temporarily and the VPN worked fine.

 

So, this issue appears to be directly related to the TP-Link Archer VR300 (I removed TP-Link Archer AX55 temporarily and still had the same issue).

 

Can anyone please give me an insight into what might be causing this ?

 

Thanks,

 

Paul.

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Re:Cannot connect to work intranet sites via VPN
2024-05-03 10:22:19

  @theHypoSloth 

 

To isolate the issue with VR300 you could put it in a bridge mode and use the AX55 for building the PPPoE session  - details.

Thus you'll avoid double NAT in your local network and use AX55 as a primary router.

Other than that compare your ZTE modem internet settings with your VR300 internet settings.

If you can ping the IP addresses of the intranet sites but not their names, it seems like a DNS issue that you have.

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Re:Cannot connect to work intranet sites via VPN
2024-05-03 21:08:15

  @terziyski Thanks for the feedback, I will try that.

 

No, I can't ping the IP of the intranet sites when connected via VPN so doesn't appear to be a DNS issue. 

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Re:Cannot connect to work intranet sites via VPN
2024-05-07 09:55:50

  @theHypoSloth 

 

Hi, you may read this article to check your settings

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Re:Cannot connect to work intranet sites via VPN
2024-08-05 21:04:58

  @terziyski 

 

The problem went away by itself for a few months without me doing anything. It came back last week for some reason. Today I have changed the VR300 to bridge mode and put hte AX55 for building the PPOE session (I also changed the local lan to be 10.0.0.138, rather then 192.168.0.1) Unfortunately, it's the same result.

Any other thoughts ?

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#5
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Re:Cannot connect to work intranet sites via VPN
2024-08-05 21:06:09

  @Marvin_S Thanks.

 

I have personal computers / devices on the network as well as my work laptop. I don't really want my personal devices running through the work VPN.

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