Write to tun/tap   invalid argument (code=22)

Write to tun/tap invalid argument (code=22)

Fix tun/tap error while connecting to pia vpn for android

Wednesday, January 3rd, 13:55:43 openvpn system[2097]: PUSH: Control message received: ‘PUSH REPLY,redirect-gateway def1,dhcp-option DNS,dhcp-option DNS,sndbuf 393216,rcvbuf 393216,route-gateway,topology subnet,ping 10,ping-restart 120,ifconfig 255.255.192,ifconfig 45.74. ‘
I’m not sure what the route is about, and why are there two default gateways – that doesn’t seem right. Also, and are not in the same subnet (with a netmask).

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WRRWRWRFri Mar 2 22:47:03 2012 us=101880 WRRWRWRFri Mar 2 22:47:03 2012 us=101880 PUSH: Control message received: ‘PUSH REPLY,dhcp-option DNS,dhcp-option DNS,redirect-gateway def1,route-gateway,ping 10,ping-restart 160,ifconfig,ifconfig,ifconfig 178.
us=101984 Fri Mar 2 22:47:03 2012 DISCLAIMER: The second argument to —ifconfig must be an IP address because you’re using —dev tun with a point-to-point topology. You’re using something that looks like a netmask ( (use —ifconfig-nowarn to silence this warning)

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4 February 21:19:43 openvpn[1072]: client/ r daemon.notice [client] SENT CONTROL: ‘PUSH REPLY,route,dhcp-option DNS,redirect-gateway def1,route,topology net30,ping 15,ping-restart 60,ifconfig’ (status=1) ‘PUSH REPLY,route,dhcp-option DNS 192
UPDATE: Many thanks for your assistance. VPN is now operational (not sure why, but I had to wait about 5 minutes after connecting to get it to work; maybe it’s due to the limitations of my router, such as a lack of CPU/MEM) My guess is that you will see the echo request but not the echo reply. This suggests that the packets are not being redirected back to the remote endpoint. In the server config file, you must also correct the routes.

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I’ve tried everything I can think of to get OpenVPN to work on Ubuntu 16.04 but have had no success.

How to fix failed to open \efi\boot\mmx64.efi – not found

I get the errorOptions error with terminal: In CA, there is an unrecognized alternative or missing parameter(s). ovpn:15 Toronto: compress (2.3.10)
For more detail, type —support.
And when I use Network Manager, I get a slew of config errors, followed by one final error:
Dec 19 19:57:55 odroid NetworkManager[2212]: nm-openvpn-Message: openvpn[5005] started Dec 19 19:57:58 odroid nm-openvpn[5005]: —bus-name org.freedesktop.NetworkManager.openvpn.Connection 3 —tun — tun0 1500 1569 odroid nm-openvpn[5005]: /usr/lib/Network init level 1 QA Engineer at PIA 2 years ago, 2 years ago, 2 years ago, 2 years ago, 2 years ago, 2 years ago, 2 Since Ubuntu 16.04 comes with an older version of OpenVPN that doesn’t support the newer options in our config files, you’re most likely experiencing this problem. If you search after running updates (run openvpn -version to see the version you’re on) and you’re still on a version lower than 2.4, I’d suggest reinstalling OpenVPN directly from their official repositories: apt-get uninstall openvpn sudo

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