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RedHat 9 (Linux i386) - man page for vconfig (redhat section 8)

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VCONFIG(8)									       VCONFIG(8)

       vconfig - VLAN (802.1q) configuration program.

       vconfig [lots of long options]

       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  physi-
       cal lan.

       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.  Usu-
	      ally  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 priority vlan-qos should
	      be queued with a particular skb-priority. The default skb-priority is 0.

	      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 network-device will show only
	      untagged(non-vlan)  traffic,  and  dumping  the vlan-devices will only show traffic
	      intended for that vlan, without the tags.


       ip(8), ifconfig(8)

       This manual page was written by Ard van Breemen <ard@kwaak.net>
       The vlan patch is written by Ben Greear <greearb@candelatech.com>

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