In Linux, you can create a virtual network – aka. vlan. To create it you need to create a file under /etc/sysconfig/network-scripts/ directory. For example, if you want to create a virtual network for eth0, you need to create a file something like below. Here I created with a tag 0. $ cat /etc/sysconfig/network-scripts/ifcfg-eth0:0 DEVICE=”eth0:0″… Continue reading