Hello, Networking is not my main speciality. Please be forgiving... ;) Long story short, I have set up a OpenVPN to be able to connect to our little company network. My configuration works fine (I am able to connect, ping, ssh, nslookup and copy files over Samba) as long as I connect as the only client. Now I tried to dial in with a second laptop at the same time and from the same network at home, things start to break... My fist question now: Is it fine to have two computers to dial in from the same network using redirect-gateway, to route all the IPv4 traffic? This is my configuration: [oconf=client] client nobind dev tun remote-cert-tls server remote sub.domain.cc 1194 udp -----BEGIN PRIVATE KEY----- ........ -----END PRIVATE KEY----- -----BEGIN CERTIFICATE----- ...... -----END CERTIFICATE----- -----BEGIN CERTIFICATE----- ..... -----END CERTIFICATE----- key-direction 1 # # 2048 bit OpenVPN static key # -----BEGIN OpenVPN Static key V1----- ..... -----END OpenVPN Static key V1----- redirect-gateway def1 [/oconf] I use the two following scripts to set DNS and search domain on connect and disconnect. connected.sh [code] #!/bin/bash # # how to pack the scripts for tunnelblick: https://groups.google.com/forum/#!topic/tunnelblick-discuss/x94iKzg5Z8g # services=$(networksetup -listnetworkserviceorder | grep 'Hardware Port') while read line; do sname=$(echo $line | awk -F "(, )|(: )|[)]" '{print $2}') sdev=$(echo $line | awk -F "(, )|(: )|[)]" '{print $4}') #echo "Current service: $sname, $sdev, $currentservice" if [ -n "$sdev" ]; then ifout="$(ifconfig $sdev 2>/dev/null)" echo "$ifout" | grep 'status: active' > /dev/null 2>&1 rc="$?" if [ "$rc" -eq 0 ]; then currentservice="$sname" fi fi done &1 rc="$?" if [ "$rc" -eq 0 ]; then currentservice="$sname" fi fi done

[Solved] OpenVPN setup works, but not for two simultanious clients.

OSILayer3.84

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TinCanTech

OSILayer3.84 wrote I tried to dial in with a second laptop at the same time and from the same network at home, things start to break..

You are probably using the same cert/key for both machines. If so use --duplicate-cn in the server to allow them to both connect at the same time.

See --duplicate-cn in The Manual v24x

Otherwise, generate a new cert/key pair for your second machine.

OSILayer3.84

TinCanTech wrote
OSILayer3.84 wrote I tried to dial in with a second laptop at the same time and from the same network at home, things start to break..
You are probably using the same cert/key for both machines. If so use --duplicate-cn in the server to allow them to both connect at the same time.

See --duplicate-cn in The Manual v24x

Otherwise, generate a new cert/key pair for your second machine.

You are right. That's the reason. Now I just have to figure out how to create the key & cert for my setup.
Thanks for the hint!