OpenVPN Client issue

OpenVPN Client issue

OpenVPN Client issue
OpenVPN Client issue
Friday
Model: Archer MR600  
Hardware Version: V5
Firmware Version: 1.5.0 0.9.1 v0001.0 Build 251231 Rel.54154n

When i try to upload a ovpn file with a cert and key block i get a Error code 1, but with the same settings section and the cert block removed, only the ca + key block left it imports without any Error code 1.

 

This leads me to suspect that this model only supports username and password auth and not cert key pair for auth, can any one comfirm this?

 

This works:

client

dev tun

proto udp

remote REDACTED

port 444

keepalive 10 60

comp-lzo no

auth SHA1

cipher AES-128-GCM

verb 3

<ca>

-----BEGIN CERTIFICATE-----

...

-----END CERTIFICATE-----

</ca>

<key>

-----BEGIN PRIVATE KEY-----

...

-----END PRIVATE KEY-----

</key>

 

But adding below to the end of the file fails:

<cert>
-----BEGIN CERTIFICATE-----

...

-----END CERTIFICATE-----
</cert>

 

I have checked the file with a hex editor and the cert and key section has no white space, the whole file is UTF-8 and line endings is LF.

 

Total file size is 5638 bytes.

 

I have check the cert with OpenSSL and its good. The issue date is earlier today. It matches with the CA. 

 

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#1
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2 Reply
Re:OpenVPN Client issue
Yesterday - last edited 14 hours ago

  @ConorL 

Hi, 
Update on June 9, 2026.

 

The Archer MR600 V5 has released official firmware v1.7.0 Build 260518. It's recommended to update to the new firmware and check if it helps.
Firmware download link: https://static.tp-link.com/upload/firmware/2026/202606/20260605/Archer_MR600v5_1.7.0_Build_260518.zip
Upgrade instructions: How to upgrade the firmware of TP-Link 5G/4G Routers

 

Best Regards

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#2
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Re:OpenVPN Client issue
6 hours ago - last edited 6 hours ago

Thanks for replying to me. I upgraded to the latest from your post but i now get the error below:

 

Error code: 4500
Invalid file size. Please check your file and try again.

 

checking its file size in Linux gives:

stat -c %s /home/pi/test.ovpn
5448
 

Firmware: 1.7.0 0.9.1 v0001.0 Build 260518 Rel.67803n

Hardware: Archer MR600 v5.0 00000001

Model version: EG060KEAAAR01A13M2G_BAF

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#3
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