ZyXEL Communications NXC Series - What You Need to Know

Chapter 6 Monitor
NXC Series User’s Guide
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• The View Log screen (Section 6.17 on page 111) displays the NXC’s current log messages. You can
change the way the log is displayed, you can e-mail the log, and you can also clear the log in this
screen.
• The View AP Log screen (Section 6.18 on page 113) displays the NXC’s current wireless AP log
messages.
6.2 What You Need to Know
The following terms and concepts may help as you read through the chapter.
Rogue AP
Rogue APs are wireless access points operating in a network’s coverage area that are not under the
control of the network’s administrators, and can open up holes in a network’s security. See Chapter 20
on page 279 for details.
Friendly AP
Friendly APs are other wireless access points that are detected in your network, as well as any others that
you know are not a threat (those from neighboring networks, for example). See Chapter 20 on page 279
for details.
Bluetooth Low Energy
Beacon is Apple’s communication protocol on top of Bluetooth Low Energy wireless technology.
Beacons (Bluetooth radio transmitters) or BLE enabled devices broadcast packets to every device
around it to announce their presence. Advertising packets contain their iBeacon ID which mainly
consists of the UUID, major number, minor number and TX (transmit) power. The ID is used to distinguish
beacons in your network.
The universally unique identifier (UUID) is a 128-bit (16-byte) number which can be used to identify a
service, a device, a manufacturer or an owner. The 2-byte major number is to identify and distinguish a
group, and the 2-byte minor number is to identify and distinguish an individual.
For example, you can set all the beacons in one network to share the same UUID, the beacons in a
particular room to use the same major number, and each beacon in the room can have its own minor
number.
NETWORK A
ROOM X ROOM Y
BEACON 1 BEACON 2 BEACON 3
UUID EBAECFAF-DFE0-4039-BE5A-F030EED4303C
Major 10 10 20
Minor 121