How to Configure a Mac VLAN

This step-by-step guide explains how to configure a mac vlan. It covers the required setup, the main actions, and the checks that help prevent common problems.

NetworkAdministrators - Business administrators, especially those who are most Windows-friendly, may not know that Mac OS X Snow Leopard systems can be configured to create virtual local area networks (VLANs). ).Apple has provided support for the IEEE 802. 1Q standard within Mac OS .

Configure VLAN settings

To execute a VLAN inside Mac OS X, you must know the administrator username and password. When there are system administrator certificates in hand, open System Preferences And select Network In the Internet & Wireless section . If the lock in the lower left corner of Network applet is locked, double-select it, provide the system administrator's username and password and select OK To activate the changes.

When the Network applet is opened and unlocked to enable changes, select the appropriate network location (default options are AirPort, Ethernet and FireWire), or you can create a new location.

With the correct network location highlighted within the Network preferences applet, create a VLAN interface by clicking on the device icon in the lower part of the window. Scroll down to the bottom of the pop-up window and select Manage Virtual Interfaces .

If you later need to edit VLAN settings, double-select the corresponding VLAN from within the network interfaces listed in the Network preferences console. When all VLAN settings are configured correctly, select the Apply Button. Then save and activate the changes.

VLANs will try to join an existing network using DHCP, by default. If you need to specify network settings manually, mark VLAN inside the network interfaces listed and select Manually From the Configure IPv4 Drop-down menu. You then need to provide the IP address, subnet mask, router, DNS server and search domains.