ZyXEL NWA1123-NI User Guide - Page 96
VLAN Screen, IEEE 802.1Q Tag
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Chapter 8 VLAN VLAN also increases network performance by limiting broadcasts to a smaller and more manageable logical broadcast domain. In traditional switched environments, all broadcast packets go to each and every individual port. With VLAN, all broadcasts are confined to a specific broadcast domain. IEEE 802.1Q Tag The IEEE 802.1Q standard defines an explicit VLAN tag in the MAC header to identify the VLAN membership of a frame across bridges. A VLAN tag includes the 12-bit VLAN ID and 3-bit user priority. The VLAN ID associates a frame with a specific VLAN and provides the information that devices need to process the frame across the network. 8.3 VLAN Screen Use this screen to set up the VLAN for managing the NWA. Click Network > VLAN to display the screen as shown. Figure 44 Network > VLAN The following table describes the labels in this screen. Figure 45 Network > VLAN LABEL DESCRIPTION 802.1Q VLAN Select this to enable VLAN tagging on the NWA. Management VLAN Select this to enable VLAN management. Only traffic tagged with the management VLAN ID can access the NWA. At least one device in your network must belong to the VLAN specified below in order to manage the NWA. Management VLAN ID Enter a number from 1 to 4094 to define the NWA's management VLAN group. Apply Click Apply to save your changes. Cancel Click Cancel to begin configuring this screen afresh. 96 NWA1120 Series User's Guide