 | Ethernet TAP driverTAP provides packet reception and transmission for user-space programs. |
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Ethernet TAP driver Description
TAP provides packet reception and transmission for user-space programs. TAP provides packet reception and transmission for user-space programs. It can be viewed as a simple Ethernet device, which instead of receiving packets from a physical medium, receives them from a user-space program and instead of sending packets via physical media, writes them to the user-space program.When a program opens /dev/tunX or /dev/tapX, driver creates and registers corresponding net device tunX or tapX. After a program closed above devices, driver will automatically delete tunXX or tapXX device and all routes corresponding to it.This package() contains two simple example programs that shows you how to use tun and tap devices. Both programs work like bridge between two network interfaces. br_select.c - bridge based on select system call. br_sigio.c - bridge based on async io and SIGIO signal. However the best example is VTun http://vtun.sourceforge.netWhat's New in This Release:· Massive Linux driver update: 2.4.x kernel support. New cloning interface, protocol indication. Statistics counting fixes.· Solaris driver update: Correct Ethernet header substitution.· Configure and Makefile updates. RPM package update.· Documentation update.
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