188 CHAPTER 5: CONFIGURING WX SYSTEM AND ADMINISTRATIVE PARAMETERS
If the correct software image is already loaded on the WX, go to step 13.
Otherwise, select a software image from the list, and click Close.
This dialog box lists the images that are in the image repository. You must
add a system image to the repository for the image to appear in this list.
(To add an image to the repository, see “Managing WX System Files” on
page 369.)
To select a different image, click Reset to clear the image selected.
13 Click another item in the organizer list, select another page in the wizard,
or click Finish to save the changes and close the wizard.
Configuring VLANs A virtual LAN (VLAN) is a Layer 2 broadcast domain that can span multiple
wired or wireless LAN segments. Each VLAN is a separate logical network,
and, if you configure IP interfaces on the VLANs, MSS treats each VLAN
as a separate IP subnet.
You configure VLANs on a WX switch’s network ports by configuring
them on the WX switch itself. You configure a VLAN by assigning a name
and network ports to the VLAN. Optionally, you can assign VLAN tag
values on individual network ports. You can configure multiple VLANs on
a WX switch’s network port. Optionally, each VLAN can have an IP
address.
You do not need to configure VLANs on MAP access ports or wired
authentication ports, because the VLAN membership of these types of
ports is determined dynamically through the authentication and
authorization process. Users who require authentication connect through
WX ports that are configured for MAP access points or wired
authentication access. Users are assigned to VLANs automatically through
authentication and authorization mechanisms such as 802.1X.
By default, none of a WX switch’s ports are in VLANs. A WX switch
cannot forward traffic on the network until you configure VLANs and add
network ports to those VLANs.
VLANs, IP Subnets,
and IP Addressing
Generally, VLANs are equivalent to IP subnets. If a WX is connected to the
network by only one IP subnet, the WX must have at least one VLAN
configured. Optionally, each VLAN can have its own IP address. However,
no two IP addresses on the WX switch can belong to the same IP subnet.
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