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vde_switch(1) [debian man page]

VDE_SWITCH(1)						      General Commands Manual						     VDE_SWITCH(1)

vde_switch - Virtual Distributed Ethernet switch SYNOPSIS
vde_switch [ -hub ] [ -sock commdirpath ] [ -mod octal-mode ] [ -group NAME ] [ -tap interface ] [ -daemon ] DESCRIPTION
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 proto- cols 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. vde-2 has several features: VLAN, Fast Spanning Tree Protocol, command line management (on console for foreground switches, on a terminal for daemonized switches). If a vde_switch run in foreground mode simply type return to have the prompt. For daemons there is the -M option to specify the management socket. Unixterm is the tool to start a terminal for the management. Type "help" at the prompt for a list of possible options. OPTIONS
-hub turn off the switch engine. It operates as a hub. -sock commdirpath specify the directory when comm socket are created. The default value is "/tmp/vde.ctl" -mod octalmode specify the octal permissions for the comm sockets. -group NAME specify the group owner for the comm socket. The default value is the current user's primary group -tap interface connect the specified tuntap interface to this vde_switch (needs root privileges) It is possible to specify several tap interfaces, comma separated. -daemon Run as a daemon. Use syslog for logging. -f rcfile rc file to set the initial switch configuration. This rc file has the same syntax of the command line interface. -h help. Please use it for a more complete list of options. vde_switch is a modular program, options vary depending of the compiled-in modules. NOTICE
Virtual Distributed Ethernet is not related in any way with ("Verband der Elektrotechnik, Elektronik und Informationstechnik" i.e. the German "Association for Electrical, Electronic & Information Technologies"). SEE ALSO
vde_plug(1), vde_plug2tap(1), vdeq(1), dpipe(1), unixterm(1). AUTHOR
VDE is a project by Renzo Davoli <> VDE started as an enhancement of uml_switch by Jeff Dike and others. VDE-2 has been almost completely rewritten but maybe some statements come from the historical source. So, some copyright and thanks also for Dike&Co. Virtual Distributed Ethernet December 6, 2006 VDE_SWITCH(1)

Check Out this Related Man Page

VDE_PCAPPLUG(1) 					      General Commands Manual						   VDE_PCAPPLUG(1)

vde_pcapplug - Virtual Distributed Ethernet libpcap cable SYNOPSIS
vde_pcapplug [OPTION]... interface DESCRIPTION
vde_pcapplug is a plug to be connected into a VDE switch. All the data that is catched by the plug is injected into interface and every- thing from that interface is sent in the switch. OPTIONS
-p, --port=portnum It is possible to decide which port of the switch to use. When this option is not specified the switch assigns the first available unused port (if any). It is possible to connect several cables in the same switch port: in this way all this cables work concur- rently. It means that packet can result as duplicate but no ARP table loops are generated. Is useful when vde is used for mobil- ity. Several physical interfaces can be used at a time during handoffs to prevent hichups in connectivity. -g, --group=group group ownership of the communication socket. For security when more want to share a switch it is better to use a unix group to own the comm sockets so that the network traffic cannot be sniffed. -m, --mod=octal-mode octal chmod like permissions for the comm sockets -s, --sock=socket specify the UNIX socket to be used by local programs for joining the VDE. The default value is "/tmp/vde.ctl". -d, --daemon start vde_plug2tap as a background process -P, --pidfile=pidfile put the process ID of vde_plug2tap in pidfile. Can be used with --daemon to store the PID for future killing. -h, --help show a brief help NOTICE
Virtual Distributed Ethernet is not related in any way with ("Verband der Elektrotechnik, Elektronik und Informationstechnik" i.e. the German "Association for Electrical, Electronic & Information Technologies"). SEE ALSO
vde_switch(1), vde_plug(1), vdeq(1), dpipe(1). AUTHOR
VDE is a project by Renzo Davoli <> Virtual Distributed Ethernet August 20, 2008 VDE_PCAPPLUG(1)

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