Show pageOld revisionsBacklinksBack to top This page is read only. You can view the source, but not change it. Ask your administrator if you think this is wrong. ====== VLAN Tagging ====== **General Information** VLAN tagging network interfaces. **Checklist** * Distro(s): Enterprise Linux 6/7 ---- ====== Ensure Kernel Module is Loaded ====== By default, the 8021q kernel module should be loaded. Double check. <code bash> lsmod | grep 8021q </code> If no results, load the module <code bash> modprobe 8021q </code> ---- ====== VLAN Tagging: ifcfg files ====== * Configure the regular network interface (parent) with very basic information<code bash> /etc/sysconfig/network-scripts/ifcfg-eth1 DEVICE=eth1 TYPE=Ethernet BOOTPROTO=none ONBOOT=yes </code> * Configure the virtual network interface as the name of the parent plus ".", then the VLAN ID. \\ Example: if the VLAN ID is 20<code bash> /etc/sysconfig/network-scripts/ifcfg-eth1.20 DEVICE=eth1.20 BOOTPROTO=none ONBOOT=yes IPADDR=10.1.2.3 NETMASK=255.255.255.0 GATEWAY=10.1.2.254 VLAN=yes </code> * Restart the nework service * EL7<code bash>systemctl restart network</code> * EL6<code bash>service network restart</code> ---- linux_wiki/vlan_tagging.txt Last modified: 2019/05/25 23:50(external edit)