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37

-Wireless Settings

Beacon Interval:

The 802.11A/G ACCESS POINT broadcasts beacon frames

regularly to announce its existence. The beacon Interval specifies how often
beacon frames are transmitted in time unit of milliseconds. The default value is

100

, and a valid value should be between 1 and 65,535.

RTS Threshold:

RTS/CTS frames are used to gain control of the medium for

transmission. Any unicast (data or control) frames larger than specified RTS
threshold must be transmitted following the RTS/CTS handshake exchange
mechanism. The RTS threshold should have a value between 256-2347 bytes,
with a default of

2347

. 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

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Содержание CA8-4 PRO

Страница 1: ...IEEE802 11 A G Access Point User Guide V3 March 2008...

Страница 2: ...rieval 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 Windows 2000 are...

Страница 3: ...tween the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for h...

Страница 4: ...IC IP 12 2 Install the 802 11 A G Access Point 13 2 1 What s in the box 13 2 2 Connect the cables 13 2 3 Configuration steps 14 2 4 Set up a wireless client as a DHCP client 15 2 5 Front panel 17 2 6...

Страница 5: ...s 41 Wireless Settings 42 3 3 5 4 Client Infrastructure Mode Settings 43 Wireless Settings 43 3 3 5 5 Client Adhoc Mode Settings 44 Wireless Settings 45 3 3 5 6 WISP Router Mode Settings 46 Wireless S...

Страница 6: ...gs 67 IP Routing Settings 69 Dynamic DNS Settings 70 3 4 System Tools 71 3 4 1 Firmware Upgrade 71 3 4 2 Configuration Save and Restore 72 3 4 3 Factory Default 72 3 4 4 Reboot System 73 3 5 What if y...

Страница 7: ...growing security concerns in a wireless LAN environment different levels of security can be enabled in the 802 11A G ACCESS POINT To disable SSID broadcast to restrict association to only those clien...

Страница 8: ...A2 WPA2 PSK WPA AUTO and WPAPSK AUTO Extensive monitoring capability such as event logging traffic error statistics monitoring Support of remote logging Easy configuration and monitoring through the u...

Страница 9: ...d an Infrastructure BSS The 802 11A G ACCESS POINT further provides bridging functions between the wireless network and the wired LAN network When multiple access points are connected to the same LAN...

Страница 10: ...he WDS Repeater mode can also support wireless stations simultaneously WDS Wireless Router WDS Repeater 1 3 3 WDS Bridge Mode When configured to operate in the Wireless Distribution System WDS Bridge...

Страница 11: ...n wirelessly access the other network s services such as Internet Client Mode User can access Internet AP Mode Router Cable Modem 1 3 5 Client Adhoc Mode In Client Adhoc mode 802 11A G ACCESS POINT is...

Страница 12: ...are connected to 802 11A G ACCESS POINT wirelessly With IP sharing function the stations can share Internet connection via 802 11A G ACCESS POINT Moreover more than one ISP can be set for the availab...

Страница 13: ...bnet depending on the existing network settings if there is any or user s preferences 1 4 2 AUTOMATIC IP The 802 11A G ACCESS POINT can also be configured to obtain an IP address automatically from a...

Страница 14: ...CCESS POINT 2 1 What s in the box The 802 11A G ACCESS POINT package contains the following items One 802 11A G ACCESS POINT One 5V DC power adapter with a barrel connector One CD of the 802 11A G ACC...

Страница 15: ...d with a factory default private IP address of 192 168 1 1 and a network mask of 255 255 255 0 Therefore during the system installation time you need to build an isolated environment with the 802 11A...

Страница 16: ...o the 802 11A G ACCESS POINT either directly or through an external LAN switch and have TCP IP installed and configured to obtain an IP address automatically from a DHCP server in the network In the c...

Страница 17: ...window Bindings Tab both Client for Microsoft Networks and File and printer sharing for Microsoft Networks should be selected Gateway Tab All fields should be blank DNS Configuration Tab Disable DNS s...

Страница 18: ...abel LAN WLAN POWER SOLID Link is active Link is active Power OFF No Wireless connection No LAN connection No Power FLASH XMT RCV Data XMT RCV Data N A Link is active has lower FLASH frequency than XM...

Страница 19: ...et Explorer From a PC that has been configured as described in Chapter 2 enter the IP address of the 802 11A G ACCESS POINT as the URL in your browser e g http 192 168 1 1 The IP address of your PC mu...

Страница 20: ...e configuration session 3 1 Setup wizard The Setup Wizard will guide you through a series of configuration screens to set up the basic functionality of the device Every time you modify the settings re...

Страница 21: ...in the standard private IP address range and it is an essential security feature of the device Because of this private IP address the device can no longer be accessed seen from the Internet Gateway IP...

Страница 22: ...t be the same for all devices in the wireless network i e in the same BSS Several access points on a network can have the same SSID The SSID length is up to 32 characters The default SSID is wlan Disa...

Страница 23: ...The available channels are different from country to country and for different WLAN mode Security Policy You can select different security policy to provide association authentication and or data encr...

Страница 24: ...l of messages that are being displayed lower is severer and the uptime which is the amount of time since the 802 11A G ACCESS POINT was boot up 3 2 2 WIRELESS CLIENT TABLE The wireless client table li...

Страница 25: ...s Point and Adhoc stations in your environment detected by the 802 11 A G Access Point You can click the REFRESH button to get latest environment information Site Survey list will indicate the followi...

Страница 26: ...changing your password from the default factory setting this is highly recommended for security purposes 3 3 1 PASSWORD SETTINGS The default factory password is password To change the password press...

Страница 27: ...nd automatically show an icon on the screen Then a user can double click the icon to access this device directly without having to find out its IP address Syslog Syslog is an IETF Internet Engineering...

Страница 28: ...you to configure SNMP parameters including the system name the location and contact information System Name A name that you assign to your 802 11a g Router It is an alphanumeric string of up to 30 cha...

Страница 29: ...gn a specific name and IP address for your SNMP trap manager A trap manager is a remote SNMP management station where special SNMP trap messages are generated by the router and sent to in the network...

Страница 30: ...list When selected data traffic from only the specified devices in the table will be allowed in the network Enable DENY address control list When selected data traffic from the devices specified in th...

Страница 31: ...erate in one of the following modes as mentioned previously in Chapter 1 1 Access Point 2 WDS Repeater 3 WDS Bridge 4 Client Infrastructure 5 Client Adhoc 6 WISP Router 7 Gateway AP Router 3 3 5 1 Acc...

Страница 32: ...ce The beacon Interval specifies how often beacon frames are transmitted in time unit of milliseconds The default value is 100 and a valid value should be between 1 and 65 535 RTS Threshold RTS CTS fr...

Страница 33: ...100 Age Out Timer Set the age out time The default is 5 min Slottime Set slottime to Short and Long or Long Only Transmit Power Transmit power output depends upon the size and RF characteristics becau...

Страница 34: ...Policy can be adjust VLAN VLAN stands for Virtual Local Area Network It is a technique allows one or more physical LAN routers or APs to deliver packets as if they were a single physical router or AP...

Страница 35: ...oves audio video and voice applications transmitted over wireless networks WMM adds prioritized capabilities to wireless networks and optimizes the performance when multiple concurring applications To...

Страница 36: ...AC Filtering Settings and or the Radius server During the authentication phase of a wireless station the MAC address filter table is searched for a match against the wireless client s MAC address to d...

Страница 37: ...mpt Period The number of times the 802 11A G ACCESS POINT should attempt to contact the primary server before giving up Enter the information for a second RADIUS server in case that there are 2 on you...

Страница 38: ...tween 1 and 65 535 RTS Threshold RTS CTS frames are used to gain control of the medium for transmission Any unicast data or control frames larger than specified RTS threshold must be transmitted follo...

Страница 39: ...he range of user limitation is from 1 to 100 Age Out Timer Set the age out time The default is 5 min Slottime Set slottime to Short and Long or Long Only Transmit Power Transmit power output depends u...

Страница 40: ...MM defines quality of service QoS in wireless networks WMM improves audio video and voice applications transmitted over wireless networks WMM adds prioritized capabilities to wireless networks and opt...

Страница 41: ...G ACCESS POINT as described in Chapter 3 2 3 MAC Filtering Settings and or the Radius server During the authentication phase of a wireless station the MAC address filter table is searched for a match...

Страница 42: ...igured in the RADIUS server The shared secret can contain up to 64 alphanumeric characters RADIUS Server Reattempt Period The number of times the 802 11A G ACCESS POINT should attempt to contact the p...

Страница 43: ...ation When the size of a unicast frame exceeds the fragmentation threshold it will be fragmented before the transmission It should have a value of 256 2346 bytes with a default of 2346 If you experien...

Страница 44: ...n Wireless Settings RTS Threshold RTS CTS frames are used to gain control of the medium for transmission Any unicast data or control frames larger than specified RTS threshold must be transmitted foll...

Страница 45: ...ience a high packet error rate you should slightly decrease the Fragmentation Threshold Transmit Power Transmit power output depends upon the size and RF characteristics because that will determine th...

Страница 46: ...from the default too much Fragmentation When the size of a unicast frame exceeds the fragmentation threshold it will be fragmented before the transmission It should have a value of 256 2346 bytes wit...

Страница 47: ...Settings RTS Threshold RTS CTS frames are used to gain control of the medium for transmission Any unicast data or control frames larger than specified RTS threshold must be transmitted following the...

Страница 48: ...utput depends upon the size and RF characteristics because that will determine the number of APs channels and need for antennas AckTimeOut 11a 11g Turbo 11g The AckTimeOut determines how long the prog...

Страница 49: ...address Multiple DMZ Select a DMZ type and then enter the local DMZ IP address Note A DMZ server is a common term used to describe the default virtual server If the DMZ server is selected Internet tra...

Страница 50: ...more applications running on server computers on the LAN that may be accessed by any Internet user Internet data destined for the specified public port will be directed to the specified private port n...

Страница 51: ...ts and are not easy to work behind a firewall To work well with these special applications we will open ports to let traffic pass through Note You can use up to 3 sets of opened ports for a specific a...

Страница 52: ...ypes of IP datagrams will be processed normally and which will be discarded This allows you to define rules for allowing denying access from to the Internet Disable IP filtering No IP filtering is per...

Страница 53: ...denied filtered You can also define IP filtering rule such as Name IP Protocol Apply to either Outbound to the Internet or Inbound from the Internet Source IP Address and Dest Destination IP Address...

Страница 54: ...53 IP Routing Settings Dynamic Routing Select the routing protocol scheme used for the router s LAN WAN port...

Страница 55: ...d by standard routing protocol discover methods IP Routing Table To delete a static route from the table select the route and click DELETE SELECTED Note Changes to the routing table will take effect i...

Страница 56: ...page can be browsed only when the computer is connected wirelessly to 802 11A G ACCESS POINT Auto Switch Enable automatic switch to another ISP if current Internet connection is broken Primary ISP Wh...

Страница 57: ...imary ISP The current connection will be highlighted in light green For the ISP configuration get information from your ISP Enter an ISP Name and then decide which of the following methods to use to s...

Страница 58: ...you to use a specific WAN Ethernet MAC address for identification purposes check this box and enter the MAC address After setting up the connection click ADD to add it to the ISP table Go back to Adv...

Страница 59: ...ce The beacon Interval specifies how often beacon frames are transmitted in time unit of milliseconds The default value is 100 and a valid value should be between 1 and 65 535 RTS Threshold RTS CTS fr...

Страница 60: ...100 Age Out Timer Set the age out time The default is 5 min Slottime Set slottime to Short and Long or Long Only Transmit Power Transmit power output depends upon the size and RF characteristics becau...

Страница 61: ...Policy can be adjust VLAN VLAN stands for Virtual Local Area Network It is a technique allows one or more physical LAN routers or APs to deliver packets as if they were a single physical router or AP...

Страница 62: ...oves audio video and voice applications transmitted over wireless networks WMM adds prioritized capabilities to wireless networks and optimizes the performance when multiple concurring applications To...

Страница 63: ...AC Filtering Settings and or the Radius server During the authentication phase of a wireless station the MAC address filter table is searched for a match against the wireless client s MAC address to d...

Страница 64: ...hat there are 2 on your network which you are using authenticate wireless clients DHCP Server Settings DHCP stands for Dynamic Host Configuration Protocol The DHCP server dynamically assigns IP addres...

Страница 65: ...common term used to describe the default virtual server If the DMZ server is selected Internet traffic not destined for a valid virtual server is redirected to this privately addressed LAN client Thi...

Страница 66: ...more applications running on server computers on the LAN that may be accessed by any Internet user Internet data destined for the specified public port will be directed to the specified private port n...

Страница 67: ...ts and are not easy to work behind a firewall To work well with these special applications we will open ports to let traffic pass through Note You can use up to 3 sets of opened ports for a specific a...

Страница 68: ...ypes of IP datagrams will be processed normally and which will be discarded This allows you to define rules for allowing denying access from to the Internet Disable IP filtering No IP filtering is per...

Страница 69: ...denied filtered You can also define IP filtering rule such as Name IP Protocol Apply to either Outbound to the Internet or Inbound from the Internet Source IP Address and Dest Destination IP Address...

Страница 70: ...69 IP Routing Settings Dynamic Routing Select the routing protocol scheme used for the router s LAN WAN port...

Страница 71: ...d by standard routing protocol discover methods IP Routing Table To delete a static route from the table select the route and click DELETE SELECTED Note Changes to the routing table will take effect i...

Страница 72: ...Step 2 To update the 802 11A G ACCESS POINT firmware first download the firmware from the distributor s web site to your local disk and then from the above screen enter the path and filename of the fi...

Страница 73: ...owse button to locate the configuration file Then click the SAVE TO FILE button to save the current configuration into the specified file or click the RESTORE FROM FILE button to restore the system co...

Страница 74: ...INT from the Browser To reset it Step 1 Select Reboot System from the System Tools menu Step 2 Click YES to reboot the 802 11A G ACCESS POINT Rebooting the 802 11A G ACCESS POINT disconnects any activ...

Страница 75: ...d return the unit to its original state as shipped from the factory You can reset the Access Point s Settings to factory defaults by pushing a paperclip in the RESET hole on the back panel Push and ho...

Страница 76: ...s with auto fallback Wireless Transfer Data Rate for IEEE 802 11b 11 5 5 2 1 Mbps with auto fallback Physical Specification External Power Adapter with DC5V 2A Input Desktop Installation Wall Ceiling...

Страница 77: ...ddress Assignment DHCP Client Static IP Address Environmental Specification Operation Temperature 0 0 40 0 C Storage Temperature 20 0 65 0 C Operating Humidity 10 90 without Condensation EMC Certifica...

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