No Way to keep the connection stable - OpenVPN

[velainur]

Hi,

The addon is working all nice, but, when the virtual interface is up, then i lose my gateway and the vpn gets broken.

This is the routing table at the very beginning, when the vpn is connected:

RaspberryPi:~ # route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
0.0.0.0 192.168.46.56 0.0.0.0 UG 0 0 0 wlan0
192.168.46.0 0.0.0.0 255.255.255.0 U 0 0 0 wlan0
192.168.46.56 0.0.0.0 255.255.255.255 UH 0 0 0 wlan0
0.0.0.0 255.255.255.0 U 0 0 0 tap0

then, some seconds later, i get this and the vpn becomes unuseable:

RaspberryPi:~ # route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
0.0.0.0 0.0.0.0 255.255.255.255 UH 0 0 0 tap0
0.0.0.0 0.0.0.0 0.0.0.0 U 0 0 0 tap0
169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 tap0
192.168.46.0 0.0.0.0 255.255.255.0 U 0 0 0 wlan0
192.168.46.56 0.0.0.0 255.255.255.255 UH 0 0 0 wlan0
0.0.0.0 255.255.255.0 U 0 0 0 tap0

Any clues? Where these 3 routes came from? (im using route-nopull and route-noexec)
I only want to get the routing table as i get connected, i guess some post-script is stabbing me.
I already checked that, as L2 VPN, there is no DHCP server in the same segment.

This VPN is used with some other clients, with no issue at all. (OpenWRT devices)
I already checked the ovpn log files (server and client) and everything seems working, they said its connected, but, when i lost the gateway inside the Rpi, the vpn becomes unusuable. (for the RPi client)

TIA

Regards,

More info:
vpn manager service version: 7.0.4
RPi3 with Libreelec 20

[Zomboided]

The addon isn't doing anything here - it's "just" starting the ovpn that's been supplied or downloaded. It'll see whether things are connected and try reconnecting, but I don't sense that's what's happening here. And optionally you can have a script that runs as part of the up/down, but again, this is all openvpn that's driving that. You need to debug what openvpn is doing, which I can't help with. Try running openvpn via the CLI with an ovpn file and turn up the verb setting to see what's going on.

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On Sun, Jan 14, 2024 at 1:13 AM velainur ***@***.***> wrote: Hi, The addon is working all nice, but, when the virtual interface is up, then i lose my gateway and the vpn gets broken. This is the routing table at the very beginning, when the vpn is connected: RaspberryPi:~ # route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 0.0.0.0 192.168.46.56 0.0.0.0 UG 0 0 0 wlan0 192.168.46.0 0.0.0.0 255.255.255.0 U 0 0 0 wlan0 192.168.46.56 0.0.0.0 255.255.255.255 UH 0 0 0 wlan0 0.0.0.0 255.255.255.0 U 0 0 0 tap0 then, some seconds later, i get this and the vpn becomes unuseable: RaspberryPi:~ # route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 0.0.0.0 0.0.0.0 255.255.255.255 UH 0 0 0 tap0 0.0.0.0 0.0.0.0 0.0.0.0 U 0 0 0 tap0 169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 tap0 192.168.46.0 0.0.0.0 255.255.255.0 U 0 0 0 wlan0 192.168.46.56 0.0.0.0 255.255.255.255 UH 0 0 0 wlan0 0.0.0.0 255.255.255.0 U 0 0 0 tap0 Any clues? Where these 3 routes came from? (im using route-nopull and route-noexec) I only want to get the routing table as i get connected, i guess some post-script is stabbing me. I already checked that, as L2 VPN, there is no DHCP server in the same segment. This VPN is used with some other clients, with no issue at all. (OpenWRT devices) I already checked the ovpn log files (server and client) and everything seems working, they said its connected, but, when i lost the gateway inside the Rpi, the vpn becomes unusuable. TIA Regards, — Reply to this email directly, view it on GitHub <#411>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AECJZZPLAXZANMF4AUKHFGTYOMWLLAVCNFSM6AAAAABBZWRSKKVHI2DSMVQWIX3LMV43ASLTON2WKOZSGA4DANJTG42TANA> . You are receiving this because you are subscribed to this thread.Message ID: ***@***.***>

[velainur]

Ok, i have done more tests...

If i use the openvpn from the cli (without the addon), i get the same issue.

I tried then to use the same ovpn file in another ubuntu and everything is stable... so i understand there must be a kodi process which breaks me.

Laptop Ubuntu Distro - OpenVPN 2.5.9 x86_64-pc-linux-gnu [SSL (OpenSSL)] [LZO] [LZ4] [EPOLL] [PKCS11] [MH/PKTINFO] [AEAD] built on Sep 29 2023
Rpi Kodi distro - OpenVPN 2.5.8 armv7ve-libreelec-linux-gnueabihf [SSL (OpenSSL)] [LZO] [LZ4] [EPOLL] [AEAD] built on Jul 15 2023

i dont think it could be a openvpn version... but... cannot be sure.

Since your addon is no the problem... i cannot ask you more help, with it, but... as a better user of this element... do you think how can i check this?

Regards,