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Roaming, access points on the LAN about the change. An example is shown - records

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Chapter 6 Wireless LAN Many types of encryption use a key to protect the information in the wireless network. The longer the key, the stronger the encryption. Every wireless client in the wireless network must have the same key. 6.3 Roaming A wireless station is a device with an IEEE 802.11a/b/g compliant wireless interface. An access point (AP) acts as a bridge between the wireless and wired networks. An AP creates its own wireless coverage area. A wireless station can associate with a particular access point only if it is within the access point's coverage area. In a network environment with multiple access points, wireless stations are able to switch from one access point to another as they move between the coverage areas. This is known as roaming. As the wireless station moves from place to place, it is responsible for choosing the most appropriate access point depending on the signal strength, network utilization or other factors. The roaming feature on the access points allows the access points to relay information about the wireless stations to each other. When a wireless station moves from a coverage area to another, it scans and uses the channel of a new access point, which then informs the other access points on the LAN about the change. An example is shown in Figure 29 on page 62. With roaming, a wireless LAN mobile user enjoys a continuous connection to the wired network through an access point while moving around the wireless LAN. Enable roaming to exchange the latest bridge information of all wireless stations between APs when a wireless station moves between coverage areas. Wireless stations can still associate with other APs even if you disable roaming. Enabling roaming ensures correct traffic forwarding (bridge tables are updated) and maximum AP efficiency. The AP deletes records of wireless stations that associate with other APs (Non-ZyXEL APs may not be able to perform this). PLA450 User's Guide 61

Section	Page
PLA450 Series	1
User’s Guide	1
About This User's Guide	3
Document Conventions	4
Safety Warnings	6
Contents Overview	9
Table of Contents	11
List of Figures	15
List of Tables	19
Introduction	21
Getting to Know Your PLA450	23
1.1 Overview	23
1.1.1 Wireless LAN Application	23
1.1.2 HomePlug AV	23
1.2 Ways to Manage the PLA450	24
1.3 Good Habits for Managing the PLA450	24
1.4 LEDs	25
The WPS Button	27
2.1 Overview	27
2.2 Push Button Configuration	27
The ENCRYPT Button	29
3.1 ENCRYPT Button Overview	29
3.2 Set Up a HomePlug AV Network with ENCRYPT	29
3.3 Setting Up Multiple Networks	31
3.4 ENCRYPT Button Behavior	32
Introducing the Web Configurator	35
4.1 Web Configurator Overview	35
4.2 Accessing the Web Configurator	35
4.3 Resetting the PLA450	37
4.3.1 Procedure to Use the Reset Button	37
4.4 Navigating the Web Configurator	37
4.4.1 The Status Screen	37
4.4.2 Navigation Panel	40
4.4.3 Summary: Packet Statistics	41
4.4.4 Summary: Wireless Station Status	42
4.4.5 Summary: My HomePlug Network Status	42
Wireless Tutorial	47
5.1 Example Parameters	47
5.2 Configuring the PLA450	47
5.3 Configuring the Wireless Client	49
5.3.1 Connecting to a Wireless LAN	49
5.3.2 Creating and Using a Profile	52
Network	55
Wireless LAN	57
6.1 Wireless Network Overview	57
6.2 Wireless Security Overview	59
6.2.1 SSID	59
6.2.2 MAC Address Filter	59
6.2.3 User Authentication	59
6.2.4 Encryption	60
6.3 Roaming	61
6.3.1 Requirements for Roaming	62
6.4 Quality of Service	62
6.4.1 WMM QoS	63
6.5 WPS Overview	63
6.5.1 WPS Setup Using a PIN	64
6.5.2 How WPS Works	65
6.5.3 Limitations of WPS	67
6.6 General Wireless LAN Screen	68
6.6.1 No Security	69
6.6.2 WPA-PSK/WPA2-PSK	70
6.7 MAC Filter	71
6.8 Wireless LAN Advanced Screen	72
6.9 Quality of Service (QoS) Screen	74
6.9.1 Application Priority Configuration	76
6.10 WPS Screen	77
6.11 WPS Station Screen	78
LAN	81
7.1 LAN Overview	81
7.1.1 Factory LAN Defaults	81
7.1.2 IP Address	81
7.1.3 IP Address and Subnet Mask	82
7.2 LAN IP Screen	82
HomePlug AV	85
8.1 Overview	85
8.2 Privacy and Powerline Adapters	86
8.2.1 Setting Up a Private Powerline Network	87
8.2.2 Setting Up Multiple Powerline Networks.	87
8.3 Configuring Your HomePlug AV Devices	88
8.4 HomePlug AV QoS	91
8.4.1 QoS Based on IP or MAC Address	91
8.4.2 Mapping other QoS Priority Settings to HomePlug AV QoS	91
8.4.3 QoS Based on Traffic Type	92
Maintenance and Troubleshooting	95
System	97
9.1 System General Screen	97
9.2 Time Setting Screen	98
Logs	101
10.1 View Log	101
10.2 Log Settings	102
Tools	105
11.1 Firmware Upload Screen	105
11.2 Configuration Screen	107
11.2.1 Backup Configuration	107
11.2.2 Restore Configuration	107
11.2.3 Back to Factory Defaults	108
11.3 Restart Screen	109
Configuration Mode	111
Language	113
13.1 Selecting Language	113
Troubleshooting	115
14.1 Power, Hardware Connections, and LEDs	115
14.2 PLA450 Access and Login	116
14.3 Internet Access	117
14.4 Resetting the PLA450 to Its Factory Defaults	118
14.5 Wireless Troubleshooting	119
14.6 HomePlug AV Troubleshooting	119
14.7 ENCRYPT Button Problems	120
14.8 Advanced Features	121
Product Specifications and Wall- Mounting Instructions	123
Appendices and Index	127
Pop-up Windows, JavaScripts and Java Permissions	129
IP Addresses and Subnetting	135
Setting up Your Computer’s IP Address	143
15.0.1 Verifying Settings	158
Wireless LANs	159
Common Services	173
Legal Information	177
Customer Support	181

Match case Limit results 1 per page

Chapter 6 Wireless LAN

PLA450 User’s Guide

Many types of encryption use a key to protect the information in the wireless network. The

longer the key, the stronger the encryption. Every wireless client in the wireless network must

have the same key.

6.3

Roaming

A wireless station is a device with an IEEE 802.11a/b/g compliant wireless interface. An

access point (AP) acts as a bridge between the wireless and wired networks. An AP creates its

own wireless coverage area. A wireless station can associate with a particular access point

only if it is within the access point’s coverage area.

In a network environment with multiple access points, wireless stations are able to switch from

one access point to another as they move between the coverage areas. This is known as

roaming. As the wireless station moves from place to place, it is responsible for choosing the

most appropriate access point depending on the signal strength, network utilization or other

factors.

The roaming feature on the access points allows the access points to relay information about

the wireless stations to each other. When a wireless station moves from a coverage area to

another, it scans and uses the channel of a new access point, which then informs the other

access points on the LAN about the change. An example is shown in

Figure 29 on page 62

With roaming, a wireless LAN mobile user enjoys a continuous connection to the wired

network through an access point while moving around the wireless LAN.

Enable roaming to exchange the latest bridge information of all wireless stations between APs

when a wireless station moves between coverage areas. Wireless stations can still associate

with other APs even if you disable roaming. Enabling roaming ensures correct traffic

forwarding (bridge tables are updated) and maximum AP efficiency. The AP deletes records

of wireless stations that associate with other APs (Non-ZyXEL APs may not be able to

perform this).