L2TP VPN Issues

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L2TP VPN Issues

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L2TP VPN Issues
L2TP VPN Issues
2023-05-30 20:14:56 - last edited 2023-07-03 08:01:08
Tags: #fw 1.3.0
Model: ER7206 (TL-ER7206)  
Hardware Version: V1
Firmware Version: 1.3.0

Hello,
I am experiencing the following issue after updating fw to 1.3.0 ( all was ok with ER7206(UN)_V1_1.2.1 Build 20220512)

 

My setup is as follows:

 

Main Site A: ER7206 v1.0 running FW 1.3.0
- Site2Site VPN - Manual IPSec (Responder) to VPN Manual IPSec on remote site B (Initiator)
- Site2Site VPN - Manual IPSec (Responder) to VPN Manual IPSec on remote site C (Initiator)

- L2TP Server for Client-to-Site VPN

 

Remote Site B: R605 v1.0 running FW 1.2.1

- Site2Site VPN - Manual IPSec (Initiator) to VPN Manual IPSec on main site A (Responder)

 

Remote Site C: R605 v1.0 running FW 1.2.1

- Site2Site VPN - Manual IPSec (Initiator) to VPN Manual IPSec on main site A (Responder)

 

Local LAN on Main Site A can see both remote LANs on Site B and Site C

Lan on Site B can see Lan on Site A

Lan on Site C can see Lan on Site A

 

When site A was running ER7206(UN)_V1_1.2.1 Build 20220512 I could perform the following operation:

 

E.g. Use my laptop travelling with a 4g hotspot and connect using L2TP Client to Site A L2TP Server

With this setup my laptop:

- could see both Main Site A and remote Sites B and C all at the same time

- could access the internet routing all traffic to Site A WAN

 

After upgrading Site A to fw 1.3.0, while main Site A still can see remote Site B and C like before if I am at home, an offsite laptop 4g VPN connection to Site A L2TP Server can only see Site A LAN (no more access  to Site B and C).

 

In addition, internet access from laptop connected to L2TP Server on site A does not work. On this last issue I was able to fix it by adding Primary and Secondary DNS information into L2TP VPN Server on Site A, see below:

 

 

These DNS settings are listed as "optional", with previous fw V1_1.2.1 I had these fields empty and internet connection from my laptop was ok.

 

Any help appreciated

Thanks

 

 

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Re:L2TP VPN Issues-Solution
2023-05-31 07:56:01 - last edited 2023-07-03 08:01:08

Hello @Skandal,

 

Based on your description, this issue seems like has been fixed on the Beta firmware as below, you may upgrade to it and test it again.

ER7206 V1_1.3.1_Build 20230525 Beta Firmware For Trial (Released on May 30th, 2023)

Best Regards! >> Omada EAP Firmware Trial Available Here << >> Get the Latest Omada SDN Controller Releases Here << *Try filtering posts on each forum by Label of [Early Access]*
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Re:L2TP VPN Issues-Solution
2023-05-31 07:56:01 - last edited 2023-07-03 08:01:08

Hello @Skandal,

 

Based on your description, this issue seems like has been fixed on the Beta firmware as below, you may upgrade to it and test it again.

ER7206 V1_1.3.1_Build 20230525 Beta Firmware For Trial (Released on May 30th, 2023)

Best Regards! >> Omada EAP Firmware Trial Available Here << >> Get the Latest Omada SDN Controller Releases Here << *Try filtering posts on each forum by Label of [Early Access]*
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fw 1.3.0
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