Restart OpenVPN after changing wireless settings

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fyi
DD-WRT User


Joined: 01 May 2009
Posts: 105

PostPosted: Fri Dec 08, 2017 19:28    Post subject: Restart OpenVPN after changing wireless settings Reply with quote
I'm running OpenVPN server in Bridge (TUN) server mode in r33772 build. Whenever I changed the wireless settings remote clients would lose the ability to reach the local network even though they could connect to and authenticate with the VPN server.

I'm not sure what is causing this but I suspect it may have to do with bridging.

As a workaround, I created a cron job that runs periodically to detect wireless settings changes and restart the OpenVPN service so I can get back onto the local network.

I would be grateful if the devs could add the openvpnserver service to the list of services that are started if the user changed the wireless settings and if the OpenVPN server mode is Bridge(TUN) mode.

BTW it's not necessary to restart openvpnserver service if the OpenVPN server mode is Router(TUN) mode.

This issue appears to be around for years.
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jxm
DD-WRT Guru


Joined: 23 Jul 2017
Posts: 733
Location: Brisbane, Australia

PostPosted: Fri Dec 08, 2017 22:47    Post subject: Reply with quote
Bridge mode is TAP mode, not TUN mode. You have made two references to Bridged (TUN) mode and one reference to Routed (TUN) mode. I hope you took more care when you set up your server and client(s).
fyi
DD-WRT User


Joined: 01 May 2009
Posts: 105

PostPosted: Fri Dec 08, 2017 23:11    Post subject: Reply with quote
I couldn't even copy the radio labels correctly from the GUI Embarassed Thanks for the correction, jxm.

Corrected problem description:
The OpenVPN setup that requires restarting openvpnserver if wireless is changed is "Bridge(TAP)" mode. The "Router(TUN)" mode does not require a restart if wireless is changed.
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