I always set up tun. Tap is used by ethernet bridging in OpenVPN and introduces an unprecendented level of complexity that is simply not worth bothering with. Usually when a VPN needs to be installed, its needed now, and complex deployments don't come fast. The OpenVPN FAQ and the Ethernet Bridging HOWTO are excellent resources on this topic.

Apr 01, 2016 · (in OpenVPN FAQ) OpenVPN Routing (in Secure-Computing Wiki) NOTE: The remaining sections are mostly based on this email for dazo. Bridging vs. routing. This discussion needs to start with TAP vs TUN devices. You want TAP if: You want to transport non-IP based traffic, or IPv6 traffic on OpenVPN 2.2 or older releases You want to bridge Thomas -Balu- Walter said: > Hi, > > please send a Cc: to me in addition to the list. I am not subscribed and > this will make it easier for me to follow the thread and reply. > > I am playing around with the following openvpn-1.5_beta14 setup: > > Linux Windows 2K (behind Linux-NAT-Router) > remote openvpntest.example.com > dev tun dev tun > ifconfig 10.4.0.1 10.4.0.2 ifconfig Feb 11, 2016 · This post is a continuation of that post. So we already have a bridge configured (br0) running openvpn in TAP mode. Now we want to add a second listener in TUN mode for iOS. We will reuse the same key (hence we use duplicate-cn option in both server configs) The OpenVPN side is easy. OpenVPN will scan for .conf files in /etc/openvpn so just: My user is getting the dreaded "Waiting for TUN/TAP interface to come up" message. What can he do? Fri Apr 28 08:34:53 2017 OpenVPN 2.4.1 x86_64-w64-mingw32 [SSL (OpenSSL)] [LZO] [LZ4] [PKCS11] [AEAD] built on Mar 22 2017 Fri Apr 28 08:34:53 2017 Windows version 6.1 (Windows 7) 64bit Fri Apr 28 08:34:53 2017 library versions: OpenSSL 1.0.2k 26 Jan 2017, LZO 2.09 Enter Management Password Go to Start – All Programs – Tap-Windows (Windows XP, Vista & 7) or press Windows + Q, and look for Delete ALL TAP virtual ethernet adapters (Windows 8, 8.1, & 10) 2) Re-install the OpenVPN application by following the instructions in the link below: Please note that you must select constant X and specify tun or tap not both. As root add persistant interface, and permit user and/or group to manage it, the following create tunX (replace with your own) and allow user1 and group users to access it. openvpn --mktun --dev tunX --type tun --user user1 --group users

“Waiting for TUN/TAP interface to come up” in OpenVPN logs under windows 10 Posted by .pQd on 10 October 2015, 9:17 pm i run windows 10 on one of the computers, it also has a ‘dial up’ openvpn – started from openvpn gui. it worked fine for a few days but then i started to see repeting

Aug 03, 2018 · Remove any existing openvpn support hacks, such as the devfs pre-init command. Stop all of the jails that are using OpenVPN iocage stop Update your openvpn jail(s) to include the allow_tun=1 setting. FreeNAS should support this via UI eventually, but as of now I'm unaware of a way to do this with UI. This can be done by running: Feb 07, 2019 · Bridged OpenVPN Connections¶. The OpenVPN configurations discussed to this point have all been routed, using tun interfaces. This is the preferable method, but OpenVPN also offers the option of using tap interfaces and bridging clients directly onto the LAN or other internal network.

Trying to convert DD-WRT OpenVPN setup from TUN to TAP, having problems So Ive been hosting the OpenVPN client on my DD-WRT router, which is wired to my desktop. I've been able to connect to my desktop over the VPN, but now I'l like to convert it to TAP.

/dev/net/tun is character device not file nor directory. Check it with ls command: ls -lad /dev/net/tun It shall look like (notice first c): crw-rw-rw- 1 root root 10, 200 Feb 10 21:38 /dev/net/tun To fix unload tun module: rmmod tun remove /dev/net/tun directory if it exist (directory is marked with d instead of c): rmdir /dev/net/tun Reload 515 msg(M_WARN, "NOTE: your local LAN uses the extremely common subnet address 192.168.0.x or 192.168.1.x. Be aware that this might create routing conflicts if you connect to the VPN server from public locations such as internet cafes that use the same subnet." 1. Download and install the OpenVPN software from openvpn.net. Make sure to allow the TAP drivers to install when you receive the pop-up later on during the installation. Take a look at our complete step by step guide to installing the OpenVPN GUI if you need help with installation. 2. Download the OpenVPN configuration files from our website. 3. Jan 18, 2019 · The default value of link-mtu however is derived from tun-mtu and is bigger than 1500. tun-mtu. The actual MTU of OpenVPN tun/tap device. This defaults to 1500. You can only specify either link-mtu or tun-mtu and not both. The other one will be calculated internally by OpenVPN.