Chapter 9 Wireless
ZyWALL USG Series User’s Guide
286
9.3.4 Firmware
The Zyxel Device stores an AP firmware in order to manage supported APs. This screen allows the Zyxel
Device to check for and download new AP firmware when it becomes available on the firmware server.
All APs managed by the Zyxel Device must have the same firmware version as the AP firmware on the
Zyxel Device.
When an AP connects to the Zyxel Device wireless controller, the Zyxel Device will check if the AP has
the same firmware version as the AP firmware on the Zyxel Device. If yes, then the Zyxel Device can
manage it. If no, then the AP must upgrade (or downgrade) its firmware to be the same version as the
AP firmware on the Zyxel Device (and reboot).
The Zyxel Device should always have the latest AP firmware so that:
• APs don’t have to downgrade firmware in order to be managed
Max Station
Number
Enter the threshold number of stations at which an AP begins load balancing its
connections.
Traffic Level
Select the threshold traffic level at which the AP begins load balancing its connections
(
Low
,
Medium
,
High
).
The maximum bandwidth allowed for each level is:
•
Low
- 11 Mbps,
•
Medium
- 23 Mbps
•
High
- 35M bps
Disassociate
station when
overloaded
This function is enabled by default and the disassociation priority is always
Signal Strength
when you set
Mode
to
By Smart Classroom
.
Select this option to disassociate wireless clients connected to the AP when it becomes
overloaded. If you do not enable this option, then the AP simply delays the connection until
it can afford the bandwidth it requires, or it transfers the connection to another AP within its
broadcast radius.
The disassociation priority is determined automatically by the Zyxel Device and is as follows:
•
Idle Timeout
- Devices that have been idle the longest will be disassociated first. If none
of the connected devices are idle, then the priority shifts to
Signal Strength
.
•
Signal Strength
- Devices with the weakest signal strength will be disassociated first.
Note: If you enable this function, you should ensure that there are multiple APs
within the broadcast radius that can accept any rejected or kicked wireless
clients; otherwise, a wireless client attempting to connect to an overloaded
AP will be kicked continuously and never be allowed to connect.
AP List
Available
This lists the APs that do not belong to this group. Select the APs that you want to add to the
group you are editing, and click the right arrow button to add them.
Member
This lists the APs that belong to this group. Select any APs that you want to remove from the
group, and click the left arrow button to remove them.
OK
Click
OK
to save your changes back to the Zyxel Device.
Cancel
Click
Cancel
to close the window with changes unsaved.
Override Member AP
Setting
Click this button to overwrite the settings of all managed APs in this group with the settings
you configure here. All
Override Group
check boxes on the
AP Management
> Mgnt. AP List
> Edit AP List
screen for the APs in this group will be deselected.
Table 94 Configuration > Wireless > AP Management > AP Group > Add/Edit (continued)
LABEL
DESCRIPTION
Summary of Contents for USG110
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Page 195: ...195 PART II Technical Reference ...
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