x SuSE Linux 13.1-RELEASE x
x SuSE Linux 13.1-RELEASEx
IFCFG-VLAN(5) Network configuration IFCFG-VLAN(5)
NAME
ifcfg-vlan - virtual LAN interface configuration
SYNOPSIS
/etc/sysconfig/network/ifcfg-*
Virtual LANs (802.1q)
To setup a vlan interface you need a configuration file that contains
at least the mandatory
ETHERDEVICE
variable with the real interface used for the virtual LAN.
It may contain the optional
VLAN_PROTOCOL
variable that may be set to one of the supported protocols:
"ieee802-1Q", "ieee802-1ad".
Further, it may contain the optional
VLAN_ID
variable that specifies the VLAN ID.
By default and when the VLAN_ID variable is not set, the number at the
end of the interface name is the VLAN ID.
Preferably the interface name and the configuration file follow the
VLAN interface name schemes (types), that is either:
ifcfg-name.<VLAN-ID> (e.g. ifcfg-eth0.42)
or
ifcfg-vlan<VLAN-ID> (e.g. ifcfg-vlan42)
The ifcfg-name.<VLAN-ID> scheme is default on Linux. Note also, that
the ifcfg-vlan<VLAN-ID> scheme makes it impossible to use same VLAN-ID
on more than one interface (e.g. ifcfg-eth0.42 and ifcfg-eth1.42).
The VLAN-ID can be also 0-padded (e.g. ifcfg-vlan0042 or ifcfg-
eth0.0042).
Also in case of custom names, trailing digits are interpreted as VLAN-
ID by default (e.g. ifcfg-dmz42). When VLAN_ID is set in the config,
the interface name can have any name (e.g. ifcfg-foobar).
Note: The drawback of custom interface names and VLAN_ID usage is, that
a rename of the interface is required and that they violate the vlan
name scheme.
An ifcfg- file for the interface specified by ETHERDEVICE must also be
provided. In the most basic case, it should at least contain START-
MODE='auto'.
The rest of the VLAN interface IP and routes configuration do not dif-
fer from ordinary interfaces. See also man ifcfg and man routes for
details.
EXAMPLES
Sets up eth0.3 vlan interface on top of eth0:
ifcfg-eth0.3
STARTMODE='auto'
ETHERDEVICE='eth0'
IPADDR='192.168.3.27/24'
Sets up vlan3 vlan interface on top of eth0:
ifcfg-vlan3
STARTMODE='auto'
ETHERDEVICE='eth0'
IPADDR='192.168.3.27/24'
Sets up lan1 vlan interface with ID 42 on top of eth0:
ifcfg-lan1
STARTMODE='auto'
ETHERDEVICE='eth0'
VLAN_ID='42'
IPADDR='192.168.3.27/24'
BUGS
Please report bugs at <http://www.suse.de/feedback>
AUTHOR
Mads Martin Joergensen <mmj@suse.de>
Marius Tomaschewski <mt@suse.de>
SEE ALSO
routes(5), ifcfg(5), wicked(8).
wicked January 2014 IFCFG-VLAN(5)
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