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Atheros IEEE 802.11a/g WLAN Router, Руководство пользователя

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38

2432 bytes, with a default value of 2432. A value of zero activates the RTS/CTS handshake before 
every transmission. It is recommended that this value does not deviate from the default too much. 

Fragmentation: 

When the size of a unicast frame exceeds the fragmentation threshold, the frame will 

be fragmented before transmission. The threshold should have a value of 256-2346 bytes, with a 

default value of 

2346

. If you experience a high packet error rate, you should slightly decrease the 

Fragmentation Threshold. 

DTIM Interval: 

The 802.11a/g Router buffers packets for stations that operate in the power-saving 

mode. A Delivery Traffic Indication Message (DTIM) contains information on which power-

conserving stations have packets waiting to be received. The DTIM interval specifies how often 
beacon frames should contain DTIMs. It should have a value between 1 and 65535, with a default 

value of 

3

. 

 

RADIUS Settings 

RADIUS (Remote Access Dial In Service) servers provide centralized authentication services to 
wireless clients. Up to two RADIUS servers can be defined, one acting as a primary, and the other 

acting as a backup.  

Enable Primary Server

: To configure the primary server, check the “Enable Primary Server” box, 

and configure the following parameters: 

Содержание IEEE 802.11a/g WLAN Router

Страница 1: ...IEEE 802 11a g WLAN Router USER S GUIDE VERSION 1 0 JUN 2003...

Страница 2: ...ored in a retrieval system or transmitted in any form or by any means whether electronic mechanical photocopying recording or otherwise without the prior writing of the publisher Windows 95 98 and Win...

Страница 3: ...A G ROUTER 12 BASIC CONFIGURATION OF THE 802 11A G ROUTER 13 LOGGING ON 14 SETUP WIZARD 14 ADVANCED SETTINGS 22 OPERATIONAL MODE 22 PASSWORD SETTINGS 23 SYSTEM MANAGEMENT 24 SNMP SETTINGS 26 DHCP SERV...

Страница 4: ......

Страница 5: ...ger the browser screen and steps needed to configure your 802 11a g Router for specific applications It gives easy to follow instructions for quick Internet access and provides a guide to basic 802 11...

Страница 6: ...service using its public IP address It means a remote user can access the server by using the 802 11a g Router s IP address Upon receiving a request the 802 11a g Router will re direct the request to...

Страница 7: ...acy of your data Support of Access Control List to allow you to grant deny access to from specified wireless stations using MAC addresses Provisioning of centralized authentication through RADIUS Serv...

Страница 8: ...etup Wizard for easy configuration installation Setting Up the device The 802 11a g Router can be managed by a local PC on either the wired or wireless LAN network To do this the 802 11a g Router must...

Страница 9: ...followed by steps of how to connect and power up your 802 11a g Router Finally it describes how to configure a Windows PC to communicate with your 802 11a g Router What s in the Box The 802 11a g Rout...

Страница 10: ...external Ethernet hub or switch with auto sensing 2 1 RJ 45 WAN connector for connecting to Internet via ADSL Cable modem 3 1 RJ 45 DMZ connector for connecting to an internal DMZ network or a PC 4 1...

Страница 11: ...11a g Router reflect the operational status of the unit 802 11a gRouterLEDDescription Label LAN WAN DMZ WLAN POWER Steady Green Link is active Link is active Link is active Power OFF No LAN connectio...

Страница 12: ...devices on both LANs except for the Web servers are configured to obtain their IP addresses automatically Depending on whether there is a separate DHCP server available in your LAN environment networ...

Страница 13: ...licking the Network icon 4 Check your list of Network items If TCP IP is already installed proceed to step 5 Otherwise You may need your Windows CD to complete the installation of TCP IP Click the ADD...

Страница 14: ...re required to set a static IP address is not too much different from the procedure required to set to obtain IP addresses dynamically except that at the end of step 7 instead of selecting obtain IP a...

Страница 15: ...nism is generally preferred for its ease of use The Internet Explorer 6 0 and up are supported The 802 11a g Router is designed so that all basic configuration may be invoked through the a standard We...

Страница 16: ...in Characters you type as your password will be echoed back as a string of asterisks for security reasons After you enter the password clicking the LOG ON button will begin the password verification...

Страница 17: ...ddress and a subnet mask automatically from a DHCP server on the local network If you choose to assign a static IP address manually check the button that says Assign static IP to this device and then...

Страница 18: ...n a fixed IP address It is strongly recommended that you select the manual static IP address C O N F I G U R E T H E I S P P R O F I L E In the following configuration screen as with the usual convent...

Страница 19: ...el provided by your ISP PPTP Remote IP Address the IP address of the remote side of the PPTP tunnel provided by your ISP User Name the username of your ISP account Password the password of your ISP ac...

Страница 20: ...eless network The SSID must be the same for all devices in the wireless network Several Routers on a network can have the same SSID The SSID can be up to 30 characters long Disable SSID Broadcasting A...

Страница 21: ...u can select Disable WEP Key to disable encryption or select one of four WEP keys to transmit receive data in the wireless network You can enter a Passphrase a key of up to 30 alphanumerical character...

Страница 22: ...R D A N D SA V E Y O U R S E T T I N G S After stepping through the Wizard s pages you can press the FINISH button for your modification to take effect This will also cause your new settings to be sav...

Страница 23: ...on screens for more changes Note If you change the router s IP address to a different IP network address space as soon as you click on FINISH you will no longer be able to communicate with your 802 11...

Страница 24: ...s you start to use your 802 11a g Router Operational Mode Before you start to use the device you need to select the operational mode to be wireless AP only or both Internet gateway and wireless AP Wir...

Страница 25: ...Password Settings button to enter the Password Settings screen enter the current password followed by the new password twice The entered characters will appear as asterisks If you forgot the password...

Страница 26: ...allows you to designate special port numbers other than the standard 80 and 23 respectively for http or telnet for remote management It also allows you to specify the duration of idle time inactivity...

Страница 27: ...in attempt with an invalid password it will create a log in the system log table To be able to remotely view such system log events you need to check the Enable Syslog box configure the IP address of...

Страница 28: ...ages that 802 11a g Router sends to remote management stations System Name A name that you assign to your 802 11a g Router It is an alphanumeric string of up to 30 characters System Location Descripti...

Страница 29: ...option allows the 802 11a g Router to assign IP addresses to DHCP client devices on your wired or wireless LAN to obtain IP addresses automatically If you want the Router to act as a DHCP server and...

Страница 30: ...28 You can delete a mapping by selecting the corresponding entry and press the DELETE SELECTED button DHCP Table Press this button will cause the screen to jump to DHCP client table page...

Страница 31: ...search through an internal address translation table to perform address translation function If a match cannot be found the data will be forwarded to a special device for processing An additional feat...

Страница 32: ...case the HTTP service will be mapped to a port of the Router You can add a virtual server mapping by 1 selecting the service name such as HTTP FTP TELNET SMTP POP3 CUSTOM 2 enter the public port numbe...

Страница 33: ...rver on the Internet Other clients can using the corresponding protocol join the game by checking with the server and deciding if to join the game A client can leave the game at any time If the initia...

Страница 34: ...ed ports You need to specify the port numbers in the router that joining clients can use to communicate with the initiating client again based on instructions provided by your application user manual...

Страница 35: ...MAC addresses will be allowed forwarded Enable DENY address control list When this radio button is selected only packets received from the wireless LAN interface with the configured MAC addresses wil...

Страница 36: ...u need to select whether the filtering rule should apply to packets outbound for the Internet or inbound from the Internet Source IP address you can select Any Single IP or a Network of source IP addr...

Страница 37: ...802 11g Router User s Guide 35...

Страница 38: ...ork traffic is directed to a specific destination on the network whether it is the LAN or WAN For instance you can configure the 802 11a g Router to route traffic from a computer 192 168 1 100 on the...

Страница 39: ...on Interval specifies how often beacon frames are transmitted in time unit of milliseconds Its default value is 100 a valid value should be between 1 and 1000 RTS Threshold RTS CTS frames are used to...

Страница 40: ...al The 802 11a g Router buffers packets for stations that operate in the power saving mode A Delivery Traffic Indication Message DTIM contains information on which power conserving stations have packe...

Страница 41: ...ter During EAP authentication the 802 11a g Router relays authentication messages between the RADIUS server and clients being authenticated Server IP The IP address of the RADIUS server Port Number Th...

Страница 42: ...work The 802 11a g Router implements the dynamic DNS feature so that each time it is booted it will re register its domain name to IP address mapping with DynDNS org the standards organization that pr...

Страница 43: ...he hostname domain name registered with DynDNS org by you Username the username required to log in to the domain name server maintained by DynDNS org Password the password required to log in to the do...

Страница 44: ...s How to view the system log How to upgrade your 802 11a g Router firmware How to save or restore configuration changes How to reboot your 802 11a g Router What if you forgot the password How to View...

Страница 45: ...screen along with the log level the severity level of messages that are being displayed a low number such as 2 means critical and the uptime the amount of time since the 802 11a g Router was last res...

Страница 46: ...software that controls your 802 11a g Router s operation Normally this is done when a new version of firmware offers new features that you want or solves problems you have encountered when using the c...

Страница 47: ...te you need to reset the system to have the new firmware take effect Note It is recommended that you do not upgrade your 802 11a g Router if you are happy with its operation How to Save or Restore Con...

Страница 48: ...raffic What if you Forgot the Password If you forgot the password the only way to recover is to clear the device configuration and return the unit to its original state as shipped from the factory You...

Страница 49: ...command Note that the entered password is case sensitive This password may also be changed using the browser based GUI configuration utility The password entered will be echoed as asterisks After the...

Страница 50: ...e current CLI command input If an interactive mode is entered the system will prompt for each required parameter such as select regulatory domain fcc fcc etsi france spain japan enter channel number 1...

Страница 51: ...d blanks Names representing filters and MAC addresses should be up to 30 characters in length password and SNMP community read write strings are up to 15 characters in length When the password and SNM...

Страница 52: ...WAN 1 x RJ45 for DMZ 1 x Reset Button 1x External Antenna 1x embedded antenna 9 x LED 1 x Power 2 x WLAN 1 x WLAN LINK ACT 4 x LAN LINK ACT 1 x DMZ LINK ACT DHCP Server Build in DHCP server Support s...

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