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VCONFIG(8)                  System Manager's Manual                 VCONFIG(8)



NAME
       vconfig - VLAN (802.1q) configuration program.

SYNOPSIS
       vconfig [lots of long options]

DESCRIPTION
       The  vconfig  program allows you to create and remove vlan-devices on a
       vlan enabled kernel. Vlan-devices are virtual  ethernet  devices  which
       represents the virtual lans on the physical lan.

OPTIONS
       add [interface-name] [vlan-id]
              Creates   a   vlan-device  on  [interface-name].  The  resulting
              vlan-device will be called according to the  nameing  convention
              set.

       rem [vlan-device]
              Removes the named vlan-device.

       set_flag [vlan-device] 0 | 1
              When  1,  ethernet  header  reorders  are turned on. Dumping the
              device will appear as a common ethernet  device  without  vlans.
              When  0(default)  however,  ethernet  headers are not reordered,
              which results in vlan tagged packets when  dumping  the  device.
              Usually the default gives no problems, but some packet filtering
              programs might have problems with it.


       set_egress_map [vlan-device] [skb-priority] [vlan-qos]
              This flags that outbound packets with a particular  skb-priority
              should be tagged with the particular vlan priority vlan-qos. The
              default vlan priority is 0.


       set_ingress_map [vlan-device] [skb-priority] [vlan-qos]
              This flags that inbound packets with the particular vlan  prior-
              ity  vlan-qos  should  be queued with a particular skb-priority.
              The default skb-priority is 0.


       set_name_type VLAN_PLUS_VID |  VLAN_PLUS_VID_NO_PAD  |  DEV_PLUS_VID  |
       DEV_PLUS_VID_NO_PAD
              Sets  the way vlan-device names are created. Use vconfig without
              arguments to see the different formats.



       NOTES  VLAN will use Broadcom's NICE interface when the network  device
              supports  it.  This  is necessary, since usually the hardware of
              these devices already removes the vlan  tag  from  the  ethernet
              packet.  The  set_flag  option on vlan-devices created on such a
              physical network device  will  be  ignored.   Dumping  the  net-
              work-device will show only untagged(non-vlan) traffic, and dump-
              ing the vlan-devices will only show traffic  intended  for  that
              vlan, without the tags.

FILES
       /proc/net/vlan/config
       /proc/net/vlan/[vlan-device]


SEE ALSO
       ip(8), ifconfig(8)

AUTHORS
       This manual page was written by Ard van Breemen <ardATkwaak.net>
       The vlan patch is written by Ben Greear <greearbATcandelatech.com>



                                                                    VCONFIG(8)