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D-Link DWL-8500AP Product Manual - Page 53

Prohibiting the SSID Broadcast, Cipher Suites, Use Global RADIUS, Server Settings, RADIUS IP

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4 Configuring Access Point Security Table 14. WPA Enterprise Field Cipher Suites Use Global RADIUS Server Settings RADIUS IP RADIUS Key Enable RADIUS accounting Description Select the cipher suite you want to use: • TKIP • CCMP (AES) • TKIP and CCMP (AES) By default both TKIP and CCMP are selected. When both TKIP and CCMP are selected, client stations configured to use WPA with RADIUS must have one of the following: • A valid TKIP RADIUS IP address and RADIUS Key • A valid CCMP (AES) IP address and RADIUS Key By default each VAP uses the global RADIUS settings that you define for the AP at the top of the VAP page. • To use the global RADIUS server settings, make sure the check box is selected. • To use a separate RADIUS server for the VAP, clear the check box and enter the RADIUS server IP address and key in the following fields. If the Use Global RADIUS Server Settings check box is cleared, enter the RADIUS IP in the text box. The RADIUS IP is the IP address of the RADIUS server. If the Use Global RADIUS Server Settings check box is cleared, enter the RADIUS Key in the text box. The RADIUS Key is the shared secret key for the RADIUS server. The text you enter will be displayed as "*" characters to prevent others from seeing the RADIUS key as you type. You can use up to 63 standard alphanumeric and special characters. The key is case sensitive, and you must configure the same key on the AP and on your RADIUS server. If the Use Global RADIUS Server Settings check box is cleared, click the Enable RADIUS accounting check box to track and measure the resources a particular user has consumed, such as system time, amount of data transmitted and received, and so on. NOTE: After you configure the security settings, you must click Update to apply the changes and to save the settings. Changing some access point settings might cause the AP to stop and restart system processes. If this happens, wireless clients will temporarily lose connectivity. We recommend that you change access point settings when WLAN traffic is low. Prohibiting the SSID Broadcast The column to the left of the Security modes allows you to enable or disable the SSID broadcast. You can suppress (prohibit) the SSID broadcast to discourage stations from automatically discovering your access point. When the broadcast SSID of the AP is suppressed, the network name is not displayed in the list of available networks on a client station. Instead, the client must have the exact network name configured in the supplicant before it is able to connect. Configuring Virtual Access Point Security 53

Section	Page
Unified Access Point (AP) Administrator’s Guide	1
Table of Contents	3
List of Figures	7
List of Tables	9
About This Document	11
Document Organization	11
Audience	11
Document Conventions	11
Online Help, Supported Browsers, and Limitations	12
Overview of the D-Link Access Point	15
Features and Benefits	16
IEEE Standards Support	16
Wireless Features	16
Security Features	17
Networking	17
Maintainability	17
Access Point Hardware	18
Preparing to Install the Access Point	19
Default Settings for the Unified Access Points	19
Administrator’s Computer Requirements	21
Wireless Client Requirements	22
Dynamic and Static IP Addressing on the AP	23
Recovering an IP Address	23
Discovering a Dynamically Assigned IP Address	23
Using the Reset Button	23
Installing the Access Point	25
Installing the Unified Access Point	25
Viewing Basic Settings	29
Using the CLI to View the IP Address	30
Configuring the Ethernet Interface	31
Using the Web UI to configure Ethernet Settings	31
Using the CLI to Configure Ethernet Settings	33
Configuring IEEE 802.1X Authentication	34
Using the Web UI to Configure 802.1X Authentication Information	35
Using the CLI to Configure 802.1X Authentication Information	36
Verifying the Installation	36
Configuring Access Point Security	39
Understanding Security on Wireless Networks	39
Choosing a Security Mode	39
Comparing Security Modes	40
When to Use Unencrypted (No Security)	40
When to Use Static WEP	40
When to Use IEEE 802.1X	41
When to Use WPA Personal	42
When to Use WPA Enterprise	42
Enabling Station Isolation	43
Configuring Virtual Access Point Security	43
None (Plain-text)	45
Static WEP	45
Static WEP Rules	48
Example of Using Static WEP	48
IEEE 802.1X	49
WPA Personal	50
WPA Enterprise	52
Prohibiting the SSID Broadcast	53
Managing the Access Point	55
Setting the Wireless Interface	55
Using the 802.11h Wireless Mode	57
Configuring Radio Settings	58
Configuring Virtual Access Points	62
Controlling Access by MAC Authentication	66
Configuring a MAC Filter List on the AP	66
Configuring MAC Authentication on the RADIUS Server	67
Configuring Load Balancing	68
Configuring Access Point Services	69
Configuring Quality of Service (QoS)	69
Understanding QoS	69
QoS and Load Balancing	69
802.11e and WMM Standards Support	70
QoS Queues and Parameters to Coordinate Traffic Flow	70
QoS Queues and Diff-Serve Code Points (DSCP) on Packets	70
EDCF Control of Data Frames and Arbitration Interframe Spaces	71
Random Backoff and Minimum / Maximum Contention Windows	72
Packet Bursting for Better Performance	73
Transmission Opportunity (TXOP) Interval for Client Stations	73
802.1p and DSCP tags	73
Configuring QoS Settings	75
Enabling the Network Time Protocol Server	79
Enabling or Disabling a Network Time Protocol (NTP) Server	80
Maintaining the Access Point	81
Managing the Configuration File	81
Resetting the Factory Default Configuration	82
Saving the Current Configuration to a Backup File	83
Restoring the Configuration from a Previously Saved File	83
Rebooting the Access Point	85
Upgrading the Firmware	85
Configuring the Access Point for Managed Mode	87
Transitioning Between Modes	87
Configuring Managed Access Point Settings	88
Viewing Managed AP DHCP Information	89
Viewing Access Point Status	91
Viewing Interface Status	91
Ethernet (Wired) Settings	92
Wireless Settings	92
Viewing Events Logs	92
Configuring Persistent Logging Options	93
Configuring the Log Relay Host for Kernel Messages	94
Example of Using Linux syslogd	94
Enabling or Disabling the Log Relay Host on the Events Page	95
Viewing Transmit and Receive Statistics	95
Viewing Client Association Information	97
Link Integrity Monitoring	98
Viewing Neighboring Access Points	98
Wireless Client Settings and RADIUS Server Setup	101
Accessing Wireless Client Security Settings	102
Configuring a Client to Access an Unsecure Network	104
Configuring Static WEP Security on a Client	104
Configuring WPA/WPA2 Personal on a Client	106
Using an External Authentication Server	108
Configuring IEEE 802.1X Security on a Client	108
IEEE 802.1X Client Using EAP/TLS Certificate	108
Configuring WPA/WPA2 Enterprise (RADIUS)	111
WPA/WPA2 Enterprise (RADIUS) Client Using EAP/PEAP	111
WPA/WPA2 Enterprise (RADIUS) Client Using EAP-TLS Certificate	113
Configuring the RADIUS Server for Authentication	116
Obtaining a TLS-EAP Certificate for a Client	119
Configuring the RADIUS Server for VLAN Tags	122
CLI for AP Configuration	125
How to Access the Access Point CLI	125
Telnet Connection to the AP	125
SSH Connection to the AP	126
Commands and Syntax	127
Using the get Command	128
Using the set Command	128
Using the add Command	129
Using the remove Command	129
Additional CLI Commands	130
Getting Help on Commands at the CLI	130
Tab Completion	130
Keyboard Shortcuts	131
Interface Naming Conventions	132
Saving Configuration Changes	133
Access Point CLI Commands	134
Configuring Basic Settings	134
Status	135
Ethernet Settings	136
Wireless Interface	137
Radio Settings	138
Virtual Access Points	139
Set Security to Static WEP	140
Set Security to IEEE 802.1X	142
Set Security to WPA/WPA2 Personal (PSK)	143
Set Security to WPA/WPA2 Enterprise (RADIUS)	144
Managed Access Point	146
IEEE 802.1X Supplicant Authentication	147
Quality of Service	147
Time	149
System Management	150
CLI Classes and Properties Reference	150

Match case Limit results 1 per page

Configuring Virtual Access Point Security

Configuring Access Point Security

NOTE:

After you configure the security settings, you must click

Update

to apply the

changes and to save the settings. Changing some access point settings might

cause the AP to stop and restart system processes. If this happens, wireless

clients will temporarily lose connectivity. We recommend that you change

access point settings when WLAN traffic is low.

Prohibiting the SSID Broadcast

The column to the left of the Security modes allows you to enable or disable the SSID

broadcast. You can suppress (prohibit) the SSID broadcast to discourage stations from

automatically discovering your access point. When the broadcast SSID of the AP is

suppressed, the network name is not displayed in the list of available networks on a client

station. Instead, the client must have the exact network name configured in the supplicant

before it is able to connect.

Cipher Suites

Select the cipher suite you want to use:

•

TKIP

•

CCMP (AES)

•

TKIP and CCMP (AES)

By default both TKIP and CCMP are selected. When both TKIP and

CCMP are selected, client stations configured to use WPA with RADIUS

must have one of the following:

•

A valid TKIP RADIUS IP address and RADIUS Key

•

A valid CCMP (AES) IP address and RADIUS Key

Use Global RADIUS

Server Settings

By default each VAP uses the global RADIUS settings that you define for

the AP at the top of the VAP page.

•

To use the global RADIUS server settings, make sure the check box is

selected.

•

To use a separate RADIUS server for the VAP, clear the check box and

enter the RADIUS server IP address and key in the following fields.

RADIUS IP

If the Use Global RADIUS Server Settings check box is cleared, enter the

RADIUS IP in the text box.

The

RADIUS IP

is the IP address of the

RADIUS

server.

RADIUS Key

If the Use Global RADIUS Server Settings check box is cleared, enter the

RADIUS Key in the text box.

The

RADIUS Key

is the shared secret key for the RADIUS server. The text

you enter will be displayed as “*” characters to prevent others from seeing

the RADIUS key as you type.

You can use up to 63 standard alphanumeric and special characters. The

key is case sensitive, and you must configure the same key on the AP and

on your RADIUS server.

Enable RADIUS

accounting

If the Use Global RADIUS Server Settings check box is cleared, click the

Enable RADIUS accounting

check box to track and measure the resources

a particular user has consumed, such as system time, amount of data

transmitted and received, and so on.

Table 14.

WPA Enterprise

Field

Description