Chapter 8 VLAN
NWA1120 Series User’s Guide
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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.
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