----- Original Message ----- | On Thu, Sep 29, 2011 at 5:35 PM, Michael Crilly <mrcrilly at gmail.com> | wrote: | > Not sure if someone has asked this previously, but have you got the | > 8021q | > kernel module installed and loaded? | | That seems to have happened by itself - and I now see that if the | NetworkManager service is not running the 5.x style ifcfg- files work | with ifup/ifdown. But I still haven't found the documentation | describing that requirement or what the new entries that might be in | the ifcfg-* files mean. | | -- | Les Mikesell | lesmikesell at gmail.com Yes, the 8021q module will load automatically when it sees any ifcfg-* entry that contains <ifname>.<vlandid> or for hosts with ifcfg-vlan<id> and the VLAN_NAME_TYPE=VLAN_PLUS_VID_NO_PAD. Below is the configuration that I use for my VLANs for KVM. # configure a bridge device for NAT VLAN support /etc/sysconfig/network-scripts/ifcfg-NAT DEVICE=NAT BOOTPROTO=none ONBOOT=yes TYPE=Bridge USERCTL=no IPV6INIT=no NM_CONTROLLED=no # configure a VLAN for NAT /etc/sysconfig/network-scripts/ifcfg-vlan303 VLAN_NAME_TYPE=VLAN_PLUS_VID_NO_PAD DEVICE=vlan303 PHYSDEV=em1 BOOTPROTO=none VLAN=yes ONBOOT=yes BRIDGE=NAT NM_CONTROLLED=no TYPE=Ethernet Is there a specific option that you are trying to get information on? -- James A. Peltier IT Services - Research Computing Group Simon Fraser University - Burnaby Campus Phone : 778-782-6573 Fax : 778-782-3045 E-Mail : jpeltier at sfu.ca Website : http://www.sfu.ca/itservices http://blogs.sfu.ca/people/jpeltier I will do the best I can with the talent I have