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•
DHCP Option 82: When this option is enabled and an AP receives a DHCP request from a
wireless client, the AP will encapsulate additional information (such as VLAN ID, AP name,
SSID and MAC address) into the DHCP request packets before forwarding them to the
DHCP server. The DHCP server can then use this information to allocate an IP address to
the client from a particular DHCP pool based on these parameters. See also
82"
on
page 162
for information on enabling this option for Ethernet ports.
•
Force DHCP: Enable this option to force clients to obtain a valid IP address from DHCP
within the specified number of seconds. This prevents clients configured with a static IP
address from connecting to the WLAN. Additionally, if a client performs Layer 3 roaming
between different subnets, in some cases the client sticks to the former IP address. This
mechanism optimizes the roaming experience by forcing clients to request a new IP
address.
•
Grace Period: Allows disconnected users a grace period after disconnection, during which
clients will not need to re-authenticate, on any WLAN that requires authentication.
•
Client Tx/Rx Statistics: Enable this option to ignore unauthorized client statistics and report
only statistics from authorized clients in device view and other reports. This can be useful
for service providers who are more interested in accounting statistics (after authorization)
than in all wireless client statistics. For example, a Hotspot WLAN can be configured to
allow unauthorized clients to connect and traverse any walled garden web pages without
adding to transmission statistics (until after authorization).
•
Client Fingerprinting: When this option is enabled ZoneDirector will attempt to identify
client devices by their Operating System, device type and Host Name, if available. This
makes identifying client devices easier in the Dashboard, Client Monitor and Client Details
screens.
•
Service Schedule: Use the Service Schedule tool to control which hours of the day, or days
of the week to enable/disable WLAN service. For example, a WLAN for student use at a
school can be configured to provide wireless access only during school hours. Click on a
day of the week to enable/disable this WLAN for the entire day. Colored cells indicate
WLAN enabled. Click and drag to select specific times of day. You can also disable a WLAN
temporarily for testing purposes, for example.
NOTE: This feature will not work properly if ZoneDirector does not have the correct time. To
ensure ZoneDirector always maintains the correct time, configure an NTP server and point
ZoneDirector to the NTP server's IP address, as described in
page
45.
NOTE: WLAN service will be enabled and disabled based on ZoneDirector's system time, and
not the time zone where the access point is located. These may be different local times if
ZoneDirector and the access points are in different time zones.
Managing a Wireless Local Area Network
Creating a WLAN
"DHCP Option
"Setting the System Time"
on
121
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Troubleshooting
