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ER605 Openvpn TCP client and RTSP UDP streams from IP cameras

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ER605 Openvpn TCP client and RTSP UDP streams from IP cameras

This thread has been locked for further replies. You can start a new thread to share your ideas or ask questions.
ER605 Openvpn TCP client and RTSP UDP streams from IP cameras
ER605 Openvpn TCP client and RTSP UDP streams from IP cameras
2024-10-28 19:20:38 - last edited 2024-11-01 16:40:58
Tags: #OpenVPN
Model: ER605 (TL-R605)  
Hardware Version: V2
Firmware Version: 2.2.6

 

Hi,

Archer ax23 openvpn TCP server with some IP cameras in its network (Tplink NC200-210-220-230)

 

 

ER605 as client + PC with ISPY video surveillance program.

 

RTSP streams work only in TCP mode, routing is working - I can Ping cameras, enter web interfaces. but cant see UDP video streams.

NOT on my pc nor on my mobile.

 

 

 

 

omada 605 blocks UDP traffic inside tcp tunnel?

TCP works:

 

I know that these cameras 100% support UDP streams.

 

If I connect to server directly from my PC with OpenVPN Connect everything works fine

 

 

If I connect to server from my Android mobile  OpenVPN Connect , UDP streams also work in Tinycammon program

 

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#1
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1 Accepted Solution
Re:ER605 Openvpn TCP client and RTSP UDP streams from IP cameras-Solution
2024-11-01 15:11:58 - last edited 2024-11-01 16:40:58

Disabling RTSP ALG in AX23 that is behind my er605 fixed problem

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#7
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5 Reply
Re:ER605 Openvpn TCP client and RTSP UDP streams from IP cameras
2024-10-29 00:52:10

Hi @YuriyB 

Thanks for posting in our business forum.

OVPN UDP or TCP only means how it communicates between two points. It does not matter what you have inside the tunnel.

 

You probably should Wireshark to find out if there is any traffic coming from the remote server as UDP. I don't think it blocks the traffic.

To further analysis this, I think you should paste some filtered Wireshark results to identify if the RTSP is even sending anything to the remote. 

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#3
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Re:ER605 Openvpn TCP client and RTSP UDP streams from IP cameras
2024-10-29 03:11:35 - last edited 2024-10-29 03:12:33

  @Clive_A  Hi thanks for reply and good idea with wireshark

 I can see TCP packets from ip camera

 

switch to UDP and... it just dont work

 

 

 

 

I dont know what is happening

 

but it work on openvpnconnect app 

 

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#4
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Re:ER605 Openvpn TCP client and RTSP UDP streams from IP cameras
2024-10-29 03:29:48

Hi @YuriyB 

Thanks for posting in our business forum.

What does it look like when you set RTSP in UDP? IP should be specified for the devices involved.

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#5
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Re:ER605 Openvpn TCP client and RTSP UDP streams from IP cameras
2024-11-01 14:59:13 - last edited 2024-11-01 14:59:55

  @Clive_A  Hi, I set TCP rtsp stream protocol and startted wireshark, filtered source 192.168.2.5 (source remote IP camera) and 192.168.18.8 my PC

PC is receiving TCP Packets 

but When set UDP transport protocol (right screen) I have no UDP packets receiving, it just stops 

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#6
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Re:ER605 Openvpn TCP client and RTSP UDP streams from IP cameras-Solution
2024-11-01 15:11:58 - last edited 2024-11-01 16:40:58

Disabling RTSP ALG in AX23 that is behind my er605 fixed problem

Recommended Solution
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#7
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