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NAME

       vdeq  -  Virtual  Distributed  Ethernet  wrapper  for  QEMU/KVM virtual
       machines

SYNOPSIS

       vdeq    qemu    [    --mod    octalmode     ]     QEMU_OPTIONS     -net
       vde[,vlan=n][,sock=socketpath][,port=n] QEMU_OPTIONS
       vdeq     kvm     [     --mod     octalmode     ]    KVM_OPTIONS    -net
       vde[,vlan=n][,sock=socketpath][,port=n] KVM_OPTIONS
       vde{qemu_name}    [    --mod    octalmode    ]    QEMU_OPTIONS     -net
       vde[,vlan=n][,sock=socketpath][,port=n] QEMU_OPTIONS

OLD SYNOPSIS

       vdeq  qemu  [ --mod octalmode ] [ -sock socketpath [ ,socketpath [ ,...
       ] ] ] [ qemu_args ]
       vde{qemu_name} [ -sock socketpath  [  ,socketpath  [  ,...   ]  ]  ]  [
       qemu_args ]

DESCRIPTION

       vdeq  is  a  wrapper to start a QEMU/KVM virtual machine connected to a
       VDE network.  It uses the qemu/kvm  -tun-fd  parameter to  set  up  the
       connection with a vde_switch.

       The command
              vdeq qemu -b c -hda=sampledisk
       starts  a  qemu machine which boots from the sampledisk image and has a
       ne2000 ethernet interface connected to the  standard  vde_switch.   The
       command
              vdeq kvm -b c -hda=sampledisk
       starts  a  kvm  machine which boots from the sampledisk image and has a
       ne2000 ethernet interface connected to the standard vde_switch.

       It is also possible to create symbolic links to the vdeq executable  to
       have a simpler command. If the link has a name that begins with vde the
       remaining part of the name is taken as the qemu command. For example if
       vdeq is linked to vdeqemu:
              vdeqemu -b c -hda=sampledisk
       starts qemu as above. If vdeq is linked to vdekvm:
              vdekvm -b c -hda=sampledisk
       starts kvm with the same parameters.

       The   new  syntax  is  consistent  with  the  new  Qemu  0.8.0  network
       parameters.  Using vdeq is possible to specify a vde interface  in  the
       same  way as user,tap or socket interfaces.  The sock= parameter can be
       used to use a specific socket.  Please note that  what  qemu  names  as
       vlan  is  not  related  to  the  802.1q VLAN managed by the vde_switch.
       port= can be used to specify the port  of  the  switch,  otherwise  the
       first  allocatable  port is assigned.  The following command run a qemu
       VM with two ethernet interface connected to the standard switch and  to
       the switch with local socket "/tmp/my.ctl", port 10, respectively
              vde  qemu  -net  nic,vlan=0 -net nic,vlan=1 -net vde,vlan=0 -net
              vde,vlan=1,sock=/tmp/my.ctl,port=10
              vdeqemu -net nic,vlan=0 -net  nic,vlan=1  -net  vde,vlan=0  -net
              vde,vlan=1,sock=/tmp/my.ctl,port=10
       The  following  command  run  a  kvm  VM  with  two  ethernet interface
       connected to the standard switch and to the switch  with  local  socket
       "/tmp/my.ctl", port 10, respectively
              vde  kvm  -net  nic,vlan=0  -net nic,vlan=1 -net vde,vlan=0 -net
              vde,vlan=1,sock=/tmp/my.ctl,port=10
              vdekvm -net nic,vlan=0  -net  nic,vlan=1  -net  vde,vlan=0  -net
              vde,vlan=1,sock=/tmp/my.ctl,port=10

       The  old  syntax can be used with Qemu 0.8.0 but all the vde interfaces
       are assigned to vlan 0.
              vdeq qemu -sock /tmp/vde.ctl,/tmp/my.ctl -b c -hda=sampledisk
              vdeqemu -sock /tmp/vde.ctl,/tmp/my.ctl -b c -hda=sampledisk
       both start qemu with one  ethernet  interface  connected  both  to  the
       standard switch and to the switch with local socket "/tmp/my.ctl".

OPTIONS

       --mod  octalmode, specify the mode for comm socket.

       -sock  socketpath, specify the UNIX socket to be used by local programs
              for joining the VDE.  The default value is "/tmp/vde.ctl" It  is
              also  possible  to indicate several socketpath (comma separated,
              no blanks): in this case several  interfaces  are  defined.  The
              first socketpath is connected to the first ne2k interface and so
              on.

       -h, -help, --help
              print a Usage help.

NOTE

       Qemu has changed its syntax for networking (cvs  Nov.15  2005).   As  a
       temporary  solution  use vdeoq and vdeoqemu instead of vdeq and vdeqemu
       if you are running a qemu with the old syntax.
       By default qemu uses the same MAC address for every virtual machine, so
       if  you plan to use several instances of qemu be sure to explicitly set
       a different MAC address for each virtual machine. While generating your
       address  beware  to not use broadcast/multicast reserved MACs, ethernet
       rules say: the multicast bit is the low-order bit of  the  first  byte,
       which is "the first bit on the wire".  For example 34:12:de:ad:be:ef is
       an unicast address,  35:12:de:ad:be:ef  is  a  multicast  address  (see
       ETHERNET         MULTICAST         ADDRESSES         section         in
       http://www.iana.org/assignments/ethernet-numbers        for        more
       informations).

NOTICE

       Virtual Distributed Ethernet is not related in any way with www.vde.com
       ("Verband der Elektrotechnik, Elektronik und Informationstechnik"  i.e.
       the  German  "Association  for  Electrical,  Electronic  &  Information
       Technologies").

SEE ALSO

       vde_switch(1), vde_plug(1), vde_plug2tap(1), dpipe(1).

AUTHOR

       VDE is a project by Renzo Davoli <renzo@cs.unibo.it>



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