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VDE_SWITCH(1) FreeBSD General Commands Manual VDE_SWITCH(1)

vde_switch - Virtual Distributed Ethernet switch

vde_switch [ -hub ] [ -sock socketpath ] [ -tap interface ] [ -daemon ]

A vde_switch is a virtual switch for the vde architecture.
A vde network can include several vde_switches running on different (real) computers. vde_switches can be connected by vde cables (see vde_plug (1) ).
Supported architecture for VDE end nodes include: real linux boxes (through the tuntap interface), bochs, qemu and MPS virtual machines.
VDE is useful to create networks of heterogeneous virtual machines as well as as a general tunneling tool -- all the ethernet based protocols work by this kind of tunnel -- and also as a tool for mobility. In fact VDE creates an overlay network where users can keep their IP addresses despite of the change of IP addresses on the interfaces.

vde_switch needs root privileges to open a tap interface, can be run by users when no -tap option is specified.

-hub,
turn off the switch engine. It operates as a hub.
-sock socketpath ,
specify the UNIX socket to be used by local programs for joining the VDE. The default value is "/tmp/vde.ctl"
-tap interface ,
connect the specified tuntap interface to this vde_switch (needs root privileges)
-daemon,
Run as a daemon. Use syslog for logging.

vde_plug(1), vdeq(1). dpipe(1).

This code is based on uml_switch by Jeff Dike and others.
VDE is a project by Renzo Davoli <renzo@cs.unibo.it>
February 23, 2004 Virtual Distributed Ethernet
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