Friday, August 14, 2009

802.1q configuration on Linux

My environment: RH FC8 x86_64

1. Make sure the 802.1q module is added to the kernel 

modprobe 8021q

2. Add a subinterface.  In this example 170 is the 802.1q VLAN ID.

vconfig add eth0 170

3. Create the NIC configuration file

/etc/sysconfig/network-scripts/ifcfg-eth0.170

DEVICE=eth0.170
BOOTPROTO=none
IPADDR=192.168.170.1
NETMASK=255.255.255.0

4. Restart the network service

/etc/init.d/network restart

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