network TUNnel, simulates a network layer device and operates in layer 3 carrying IP packets. • TAP, namely network TAP, simulates a link layer device and operates in layer 2 carrying Ethernet frames. • TUN is used with routing. TAP can be used to create a user space network bridge.
Introduction https://kean.blog/post/network-extensions-into • How Does VPN Work? https://kean.blog/post/networking-101 • VPN, Part 1: VPN Pro fi les https://kean.blog/post/vpn-con fi guration-manager • VPN, Part 2: Packet Tunnel Provider https://kean.blog/post/packet-tunnel-provider