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    P2P SSL/TLS TAP mode, second client disconnects the first causing ping-pong effect

    OpenVPN
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    • P
      PCooper last edited by

      I normally don't use TAP mode however this situation requires it, split DNS isn't an option as no DNS is involved all IOT type devices that I cannot change.

      With only one client connected everything works fine. When the second one connect I get errors and interrupted traffic on the first connection. then the cycle starts over again.

      Server Logs

      Dec 28 11:13:24 	openvpn 	39098 	TLS Error: local/remote TLS keys are out of sync: [AF_INET]172.20.9.254:56666 [0]
Dec 28 11:13:34 	openvpn 	39098 	TLS Error: local/remote TLS keys are out of sync: [AF_INET]172.20.9.254:56666 [0]
Dec 28 11:13:44 	openvpn 	39098 	TLS Error: local/remote TLS keys are out of sync: [AF_INET]172.20.9.254:56666 [0]
Dec 28 11:13:55 	openvpn 	39098 	TLS Error: local/remote TLS keys are out of sync: [AF_INET]172.20.9.254:56666 [0]
Dec 28 11:14:08 	openvpn 	39098 	peer info: IV_VER=2.4.6
Dec 28 11:14:08 	openvpn 	39098 	peer info: IV_PLAT=freebsd
Dec 28 11:14:08 	openvpn 	39098 	peer info: IV_PROTO=2
Dec 28 11:14:08 	openvpn 	39098 	peer info: IV_NCP=2
Dec 28 11:14:08 	openvpn 	39098 	peer info: IV_LZ4=1
Dec 28 11:14:08 	openvpn 	39098 	peer info: IV_LZ4v2=1
Dec 28 11:14:08 	openvpn 	39098 	peer info: IV_LZO=1
Dec 28 11:14:08 	openvpn 	39098 	peer info: IV_COMP_STUB=1
Dec 28 11:14:08 	openvpn 	39098 	peer info: IV_COMP_STUBv2=1
Dec 28 11:14:08 	openvpn 	39098 	peer info: IV_TCPNL=1
Dec 28 11:14:08 	openvpn 	39098 	[StationOne] Peer Connection Initiated with [AF_INET]172.20.9.254:32918
Dec 28 11:14:17 	openvpn 	39098 	TLS Error: local/remote TLS keys are out of sync: [AF_INET]172.20.10.254:1102 [0]
Dec 28 11:14:28 	openvpn 	39098 	TLS Error: local/remote TLS keys are out of sync: [AF_INET]172.20.10.254:1102 [0]
Dec 28 11:14:38 	openvpn 	39098 	TLS Error: local/remote TLS keys are out of sync: [AF_INET]172.20.10.254:1102 [0]
Dec 28 11:14:48 	openvpn 	39098 	TLS Error: local/remote TLS keys are out of sync: [AF_INET]172.20.10.254:1102 [0]
Dec 28 11:14:59 	openvpn 	39098 	TLS Error: local/remote TLS keys are out of sync: [AF_INET]172.20.10.254:1102 [0]
Dec 28 11:15:12 	openvpn 	39098 	peer info: IV_VER=2.4.6
Dec 28 11:15:12 	openvpn 	39098 	peer info: IV_PLAT=freebsd
Dec 28 11:15:12 	openvpn 	39098 	peer info: IV_PROTO=2
Dec 28 11:15:12 	openvpn 	39098 	peer info: IV_NCP=2
Dec 28 11:15:12 	openvpn 	39098 	peer info: IV_LZ4=1
Dec 28 11:15:12 	openvpn 	39098 	peer info: IV_LZ4v2=1
Dec 28 11:15:12 	openvpn 	39098 	peer info: IV_LZO=1
Dec 28 11:15:12 	openvpn 	39098 	peer info: IV_COMP_STUB=1
Dec 28 11:15:12 	openvpn 	39098 	peer info: IV_COMP_STUBv2=1
Dec 28 11:15:12 	openvpn 	39098 	peer info: IV_TCPNL=1
Dec 28 11:15:12 	openvpn 	39098 	[StationTwo] Peer Connection Initiated with [AF_INET]172.20.10.254:32691
Dec 28 11:15:20 	openvpn 	39098 	TLS Error: local/remote TLS keys are out of sync: [AF_INET]172.20.9.254:32918 [0]
Dec 28 11:15:30 	openvpn 	39098 	TLS Error: local/remote TLS keys are out of sync: [AF_INET]172.20.9.254:32918 [0]
Dec 28 11:15:40 	openvpn 	39098 	TLS Error: local/remote TLS keys are out of sync: [AF_INET]172.20.9.254:32918 [0]
Dec 28 11:15:50 	openvpn 	39098 	TLS Error: local/remote TLS keys are out of sync: [AF_INET]172.20.9.254:32918 [0]
Dec 28 11:16:01 	openvpn 	39098 	TLS Error: local/remote TLS keys are out of sync: [AF_INET]172.20.9.254:32918 [0]
Dec 28 11:16:18 	openvpn 	39098 	peer info: IV_VER=2.4.6
Dec 28 11:16:18 	openvpn 	39098 	peer info: IV_PLAT=freebsd
Dec 28 11:16:18 	openvpn 	39098 	peer info: IV_PROTO=2
Dec 28 11:16:18 	openvpn 	39098 	peer info: IV_NCP=2
Dec 28 11:16:18 	openvpn 	39098 	peer info: IV_LZ4=1
Dec 28 11:16:18 	openvpn 	39098 	peer info: IV_LZ4v2=1
Dec 28 11:16:18 	openvpn 	39098 	peer info: IV_LZO=1
Dec 28 11:16:18 	openvpn 	39098 	peer info: IV_COMP_STUB=1
Dec 28 11:16:18 	openvpn 	39098 	peer info: IV_COMP_STUBv2=1
Dec 28 11:16:18 	openvpn 	39098 	peer info: IV_TCPNL=1
Dec 28 11:16:18 	openvpn 	39098 	[StationOne] Peer Connection Initiated with [AF_INET]172.20.9.254:9535
Dec 28 11:16:25 	openvpn 	39098 	TLS Error: local/remote TLS keys are out of sync: [AF_INET]172.20.10.254:32691 [0]
Dec 28 11:16:35 	openvpn 	39098 	TLS Error: local/remote TLS keys are out of sync: [AF_INET]172.20.10.254:32691 [0]
Dec 28 11:16:45 	openvpn 	39098 	TLS Error: local/remote TLS keys are out of sync: [AF_INET]172.20.10.254:32691 [0]
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      • P
        PCooper @PCooper last edited by

        @pcooper I have client logs but the forum will not let me post them.

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