User's Manual

NWA1121-NI User’s Guide 98
CHAPTER 8
VLAN
8.1 Overview
This chapter discusses how to configure the NWA1121-NI ’s VLAN settings.
Figure 44 Management VLAN Setup
In the figure above, to access and m anage the NWA1121-NI from com puter A, the NWA1121-NI
and switch B’s ports to which com puter A and the NWA1121-NI are connected should be in the
sam e VLAN.
8.1.1 What You Can Do in This Chapter
The VLAN screens let you set up the NWA1121-NI ’s mangem ent VLAN (Section 8.3 on page 99).
8.2 What You Need to Know
Introduction to VLANs
A Virtual Local Area Network (VLAN) allows a physical network to be partitioned into multiple logical
networks. Devices on a logical network belong to one group. A device can belong t o m ore than one
group. With VLAN, a device cannot directly talk to or hear from devices that are not in the same
group(s); the traffic m ust first go through a router.
In Multi-Tenant Unit (MTU) applications, VLAN is vital in providing isolation and security among the
subscribers. When properly configured, VLAN prevents one subscriber from accessing the network
resources of another on the sam e LAN, thus a user will not see the printers and hard disks of
another user in the same building.
A
B