Linksys LAPAC1750 Bedienungsanleitung

L APAC1750

AC1750 Dual Band

Access Point

User Guide

Table of Contents

Linksys

CHAPTER 1 QUICK START GUIDE. . . . . . . . . . . . . . . . . . 1

Package Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

Physical Details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

Mounting Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

CHAPTER 2 ACCESS POINT SETUP . . . . . . . . . . . . . . . . . 3

Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

Setup Using a Web Browser . . . . . . . . . . . . . . . . . . . . . . .3

Setup Wizard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

User Accounts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Time Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Log Settings Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Management Access Screen . . . . . . . . . . . . . . . . . . . . . .8

SSL Certiﬁcate Screen. . . . . . . . . . . . . . . . . . . . . . . . . . .9

Network Setup Screen . . . . . . . . . . . . . . . . . . . . . . . . . 10

Advanced Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Basic Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

Security Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

Rogue AP Detection. . . . . . . . . . . . . . . . . . . . . . . . . . .19

Scheduler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Scheduler Association . . . . . . . . . . . . . . . . . . . . . . . . . 21

Connection Control . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Rate Limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

QoS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Workgroup Bridge . . . . . . . . . . . . . . . . . . . . . . . . . . . .23

Advanced Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

CHAPTER 3 OPERATION AND STATUS . . . . . . . . . . . . . .27

Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

System Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

LAN Status. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28

Wireless Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Wireless Clients. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30

Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Log View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

CHAPTER 4 ACCESS POINT MANAGEMENT . . . . . . . . . . .32

Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32

Firmware Upgrade. . . . . . . . . . . . . . . . . . . . . . . . . . . .32

Conﬁguration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33

Factory Default . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34

Reboot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Ping Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Packet Capture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Diagnostic Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

APPENDIX A TROUBLESHOOTING . . . . . . . . . . . . . . . . .37

Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37

General Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

APPENDIX B ABOUT WIRELESS LANS. . . . . . . . . . . . . . .38

Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38

Wireless LAN Terminology . . . . . . . . . . . . . . . . . . . . . . .38

Table of Contents

iii

Table of Contents

Linksys

APPENDIX C PC AND SERVER CONFIGURATION . . . . . . . .40

Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40

Using WEP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40

Using WPA2-PSK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Using WPA2-Enterprise . . . . . . . . . . . . . . . . . . . . . . . . .41

802.1x Server Setup (Windows 2000 Server) . . . . . . . . . . . 41

802.1x Client Setup on Windows XP. . . . . . . . . . . . . . . . .46

Using 802.1x Mode (without WPA). . . . . . . . . . . . . . . . . .49

Document Version: 1.0

All trademarks and trade names are the properties of their respective owners.

CHAPTER 1 Quick Start Guide

Linksys

CHAPTER 1 Quick Start Guide

Package Contents

• LinksysWirelessAccessPoint

• QuickStartGuide

• EthernetCable

• ACPowerAdapter

• CDwithDocumentation

• MountingBracket

• MountingKit

• CeilingMountBackPlate

• DrillingLayoutTemplate

Physical Details

There is one LED for the device.

LED

LED Color Activity Status

Green Blinking System is booting.

Solid System is normal; no wireless device

connected.

Blue Blinking Software upgrade in process.

Solid System is normal; at least one wireless

device connected.

Red Solid Booting process or update failed; hard

reset or service required.

Port and Button

Power Port - Connect the AC power adapter to this port.

NOTE: Use only the adapter that came with your access point.

Ethernet Port - Connect a wired network device to this port. This port supports

PoE (Power over Ethernet) with a PoE switch or PoE injector. LAPAC1750 can be

powered on from an 802.3at(PoE+) compliance source.

NOTE: When both PoE and AC power adapter are connected to access point,

device will get power from PoE as higher precedence.

Using Cat5e or better cable is highly recommended.

Reset Button - Press and hold this button for less than 15 seconds to power

cycle device. Press and hold for longer than 15 seconds to reset the device to

factory default settings.

CHAPTER 1 Quick Start Guide

Linksys

Mounting Guide

To avoid overheating, do not install your access point if ambient temperatures

exceed 104°F (40°C). Install on a flat, stable surface, near the center of your

wireless coverage area making sure not to block vents on the sides of the device

enclosure.

Wall Installation

1. Position drilling layout template at the desired location.

2. Drill four screw holes on the mounting surface. If your Ethernet cable is

routed behind the wall, mark Ethernet cable hole as well.

3. Secure the mounting bracket on the wall with anchors and screws.

4. If your Ethernet cable is routed behind the wall, cut or drill the Ethernet

cable hole you marked in Step 2. Feed the Ethernet cable through the hole.

5. Connect the Ethernet cable and/or AC power adapter to your device.

6. Slide the device into the bracket. Turn clockwise until it locks into place.

Ceiling Installation

1. Select ceiling tile for mounting and remove tile.

2. Position drilling layout template at the desired location.

3. Drill four screw holes and Ethernet cable hole on the surface of ceiling tile.

4. Place back plate on the opposite side of ceiling tile. Secure mounting

bracket to the ceiling tile with flathead screw and nut. Route the Ethernet

cable through the Ethernet cable hole.

5. Replace tile in ceiling.

6. Connect the Ethernet cable and/or AC power adapter to your device

7. Slide the device into the bracket. Turn access point clockwise until it locks.

IMPORTANT

Improper or insecure mounting could result in damage to the device or personal

injury. Linksys is not responsible for damages caused by improper mounting.

CHAPTER 2 Access Point Setup

Linksys

CHAPTER 2 Access Point Setup

Overview

This chapter describes the setup procedure to connect the wireless access point

to your LAN, and configure it as an access point for your wireless stations.

Wireless stations may also require configuration. For details, see Appendix C -

Wireless Station Configuration.

The wireless access point can be configured using a Web browser.

Setup using a Web Browser

Your browser must support JavaScript. The configuration program has been

tested on the following browsers:

• Firefox3.5orlater,Chrome8orlater,Safari5orlater

• InternetExplorer7orlater

Setup Procedure

Make sure device is powered on before you continue setup. If LED light is off,

check that AC power adapter, or PoE cable, is properly connected on both ends.

Access device’s browser-based setup:

1. Use the included cable to connect the access point to your network via a

network switch or router.

2. Open a web browser on a computer connected to your network. Enter the

IP address of your access point. By factory default, the IP address will be

assigned by a DHCP server (usually the network router). If there is no DHCP

server on your network, the default IP address is 192.168.1.252/255.255.255.0.

Note: Use a computer hardwired to the same network as your access point for

browser-based setup access. Access to browser-based setup via WiFi is disabled

by default.

3. Type in default username: “admin”, and password: “admin”.

4. Click Log in to launch the browser-based setup and follow the on-screen

instructions

Figure 1: Password Dialog

IF YOU CAN’T CONNECT:

It is likely that your PC’s IP address is incompatible with the wireless

access point’s IP address. This can happen if your LAN does not

have a DHCP Server. If there is no DHCP server in your network, the

access point will fall back to its default IP address: 192.168.1.252,

with a network mask of 255.255.255.0.

Or, if your PC’s IP address is not compatible with this, you must

change your PC’s IP address to an unused value in the range

192.168.1.1 ~ 192.168.1.254, with a network mask of 255.255.255.0.

See Appendix A - Windows TCP/IP for details for this procedure.

CHAPTER 2 Access Point Setup

Linksys

Setup Wizard

The first time you connect to the wireless access point, run the Setup Wizard to

configure the device.

1. Click the Quick Start link on the main menu

Figure 2: Setup Wizard

2. On the first screen, click Launch.

3. Set the password on the Device Password screen, if desired.

4. Configure the time zone, date and time for the device on System Settings

screen.

Figure 3: Setup Wizard - System Settings

5. On the IPv4 Address screen (Figure 4) configure the IP address of the device

then click Next. If you want to configure more than 4 SSIDs, please go to

Configuration → Wireless → Basic Settings. The access point supports up

to 8 SSIDs per radio.

Figure 4: Setup Wizard - IPv4

6. Set the SSID information on the Wireless Network screen. Click Next.

Figure 5: Setup Wizard - Wireless Network

7. On the Wireless Security Screen (Figure 6) configure the wireless security

settings for the device. Click Next. If you are looking for security options that

are not available in the wizard, go to Configuration →Wireless →Security

page. The access point supports more sophisticated security options there.

CHAPTER 2 Access Point Setup

Linksys

Figure 6: Setup Wizard - Wireless Security

8. On the Summary screen, check the data to make sure they are correct and

then click Submit to save the changes.

Figure 7: Setup Wizard - Summary

9. Click Finish to leave the wizard.

Figure 8: Setup Wizard - Finish

User Accounts

Click User Accounts on the Administration menu to manage user accounts. The

access point supports up to five users: one administrator and four normal users.

Figure 9: User Accounts

CHAPTER 2 Access Point Setup

Linksys

Data - User Accounts Screen

User Account Table

User Name Enter the User Name to connect to the access

point’s admin interface. User Name is effective

once you save settings.

User Name can include up to 63 characters. Special

characters are allowed.

User Level Only administrator account has Read/Write

permission to the access point’s admin interface.

All other accounts have Read Only permission.

New Password Enter the Password to connect to the access point’s

admin interface.

Password must be between 4 and 63 characters.

Special characters are allowed.

Confirm New Password Re-enter password.

Time Screen

Click Time on the Administration menu to configure system time of the device.

Figure 10: Time Screen

Data - Time Screen

Time

Current Time Display current date and time of the system.

Manually Set date and time manually.

Automatically When enabled (default setting) the access point will get the

current time from a public time server.

Time Zone Choose the time zone for your location from the drop-down

list. If your location observes daylight saving time, enable

“Automatically adjust clock for daylight saving changes.”

Start Time Specify the start time of daylight saving.

End Time Specify the end time of daylight saving.

Offset Select the adjusted time of daylight saving.

NTP

NTP Server 1 Enter the primary NTP server. It can be an IPv4 address or a

domain name.

Valid characters include alphanumeric characters, “_”, “-”

and “.”. Maximum length is 64 characters.

NTP Server 2 Enter the secondary NTP server. It can be an IPv4 address or

a domain name.

Valid characters include alphanumeric characters, “_”, “-”

and “.”. Maximum length is 64 characters.

CHAPTER 2 Access Point Setup

Linksys

Log Settings Screen

The logs record various types of activity on the access point. This data is useful

for troubleshooting, but enabling all logs will generate a large amount of data

and adversely affect performance.

Figure 11: Log Settings Screen

Data - Logs Screen

Log Types

Log Types Select events to log. Checking all options increase the

size of the log, so enable only events you believe are

required.

Email Alertt

Email Alert Enable email alert function.

SMTP Server Enter the email server that is used to send logs. It can

be an IPv4 address or a domain name.

Valid characters include alphanumeric characters, “_”,

“-” and “.”. Maximum length is 64 characters.

Data Encryption Enable if you want to use data encryption.

Port Enter the port for the SMTP server. The port is a value

from 1 to 65535 and default is 25.

Username Enter the Username to log in to your SMTP server.

The Username can include up to 32 characters. Special

characters are allowed.

Password Enter the Password to log in to your SMTP server.

The Password can include up to 32 characters. Special

characters are allowed.

Email Address for Logs Enter the email address the log messages are to be

sent to.

Valid characters include alphanumeric characters, “_”,

“-”, “.” and “@”. Maximum length is 64 characters.

Log Queue Length Enter the length of the queue: up to 500 log messages.

The default is 20 messages. When messages reach the

set length the queue will be sent to the specified email

address.

Log Time Threshold Enter the time threshold (in seconds) used to check if

the queue is full. It’s a value from 1 to 600 and default

is 600 seconds.

Syslog

Syslog Notification Enable Syslog notification.

IP Type Select the IP type of the syslog server: IPv4 or IPv6.

Server IP Address Enter the IPv4 or IPv6 address of syslog server here.

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