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40

Fig. 41. Sample wireless bridge network topology.

WARNING:

Don’t let your network topology consisting of wireless bridges, Ethernet

switches, Ethernet links, and WDS links contain

loops

. If any loops exist, packets will

circle around the loops and network performance will be seriously degraded.

Fig. 42. Network topology containing a loop.

TIP:

You can check whether the WDS links of the AP are functioning by using Wireless

Network

Manager.

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Содержание ShAir AccessG Pro MIL-W2332G

Страница 1: ...MIL W2332G ShAir AccessG Pro Wireless Access Point Bridge with PoE USER GUIDE...

Страница 2: ...ii...

Страница 3: ...consumer or purchaser and is not assignable MiLAN Technology makes no express or implied warranties including but not limited to any implied warranty of mer chantability or fitness for a particular pu...

Страница 4: ...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 help F...

Страница 5: ...wever special attention must be paid to the dangers of electric shock and static electricity when working with electrical equipment All guidelines of this and of the computer manufacture must therefor...

Страница 6: ...tering the User Name and Password 2 4 2 Step 1 Selecting an Operational Mode 2 4 3 Step 2 Configuring TCP IP Settings 2 4 4 Step 3 Configuring IEEE 802 11 Settings 2 4 5 Step 4 Reviewing and Applying...

Страница 7: ...3 3 3 Managing Firmware 3 3 3 1 Upgrading Firmware by HTTP 3 3 3 2 Backing up and Restoring Configuration Settings by HTTP 3 3 3 3 Upgrading Firmware by TFTP 3 3 3 4 Backing up and Restoring Configur...

Страница 8: ...ng Advanced Settings 3 6 1 Packet Filters 3 6 1 1 Ethernet Type Filters 3 6 1 2 IP Protocol Filters 3 6 1 3 TCP UDP Port Filters 3 6 2 Management 3 6 2 1 UPnP 3 6 2 2 System Log 3 6 2 3 SNMP Appendix...

Страница 9: ...with APs from any vendors RF type selection The RF type of the WLAN interface can be configured to work in IEEE 802 11b only IEEE 802 11g only or mixed mode 802 11g and 802 11b simultaneously 64 bit a...

Страница 10: ...S links of the AP to other peer wireless bridges are working fine Wireless client isolation When the AP is in AP Bridge mode wire less to wireless traffic can be blocked so that the wireless clients c...

Страница 11: ...ltering capabili ties Firmware Tools Firmware upgrade The firmware of the AP can be upgraded in the following methods Xmodem based Upgrading firmware over RS232 TFTP based Upgrading firmware by TFTP T...

Страница 12: ...iewed using a Web browser Remote log by SNMP trap Systems events are sent in the form of SNMP traps to a remote SNMP management server Power over Ethernet Power over Ethernet is supported power has to...

Страница 13: ...wer Unit marked Class 2 or LPS and output rated 5V DC 1 A minimum or equivalent statement To power the AP by PoE 1 Plug one connector of an Ethernet cable to an available port of a PoE hub 2 Plug the...

Страница 14: ...d as the managing computer NOTE If you are using the browser Opera to configure an AP click the menu item File click Preferences click File types and edit the MIME type text html to add a file extensi...

Страница 15: ...P IP Settings of the Managing Com puter Use the Windows Network Control Panel Applet to change the TCP IP settings of the managing computer so that the IP address of the computer and the IP address of...

Страница 16: ...he User Name and Password Before the start page is shown you will be prompted to enter the user name and pass word to gain the right to access the Web based Network Manager For first time con figurati...

Страница 17: ...n select an operational mode and click Save at the bottom of this page and then you are brought back to the start page The AP supports 2 operational modes AP Bridge This mode provides both Access Poin...

Страница 18: ...shown in the following table Table 1 Operational modes vs wireless link types AP Bridge AP Client AP Bridge WDS STA AP AP Client STA AP To establish a static bridge link based on WDS the AP bridges at...

Страница 19: ...this page and then you are brought back to the start page 2 4 4 Step 3 Configuring IEEE 802 11 Settings Fig 7 IEEE 802 11g communication settings Go to the IEEE 802 11 Communication section to configu...

Страница 20: ...highlighted in red On the start page you can review all the settings you have made Changes are high lighted in red If they are OK click Restart to restart the AP for the new settings to take effect N...

Страница 21: ...alignment of the antenna on other side by using response time informa tion obtained from PINGing run PING exe the fixed side computer 5 Fine tune the alignment of the antenna until you get a best resp...

Страница 22: ...WDS link quality Adjust the alignment of the antenna of Bridge 1 until the Link quality indicator shows a relatively maximal value Finally click Stop to stop monitoring WDS link quality TIP If you ar...

Страница 23: ...wireless client computer could be set to any NOTE Both the wireless client computer and the AP must have the same WEP settings for them to communicate with each other NOTE For better wireless securit...

Страница 24: ...the Internet 1 Open a Windows Command Prompt window on the client computer 2 Type ping advap where advap is a placeholder for the IP address of the AP Re place it with your real IP address for example...

Страница 25: ...aceholder for the IP address of the secondary DNS server of the wireless client computer Then press Enter If this DNS server responds the client should have no problem with TCP IP net working else see...

Страница 26: ...18 3 Using Web Based Network Manager In this chapter we ll explain each Web management page of the Web based Network Manager 3 1 Overview Fig 12 The Start page...

Страница 27: ...Global operations Operational Mode Operational mode of the AP AP Bridge or AP Client Password For gaining rights to change the settings of the AP Firmware Tools For upgrading the firmware of the AP ba...

Страница 28: ...Dial In User Service settings for better wire less security Advanced Advanced settings of the AP Packet Filters Ethernet Type Filters IP Protocol Filters and TCP UDP Port Filters settings Management U...

Страница 29: ...s the settings changes to the memory of the AP and restarts the AP immediately for the settings changes to take effect Clicking Cancel discards any set tings changes and brings you back to the start p...

Страница 30: ...Clicking Refresh updates the shown status information 3 2 Viewing Status 3 2 1 Associated Wireless Clients Fig 16 Status of associated wireless clients On this page the status information of each asso...

Страница 31: ...e that acts as a DHCP client is identified by its MAC address A static mapping indicates that the DHCP client always obtains the specified IP address from the DHCP server You can set static DHCP mappi...

Страница 32: ...or Fig 19 Link monitor When the AP is in AP Client mode you can use the Link Monitor status page to monitor the link quality and signal strength sensed by its RF module Larger values means bet ter wir...

Страница 33: ...the Ethernet side and wireless host s on the wireless side There are 2 types of wireless links as specified by the IEEE 802 11 standard STA AP This type of wireless link is established between an IEE...

Страница 34: ...convenient to use dynamic bridging it has a limitation the AP Client only can forward TCP IP packets between its wireless interface and Ethernet interface other type of traffic such as IPX and AppleT...

Страница 35: ...s HTTP based firmware man agement operations may not work properly with some Web browsers If you cannot suc cessfully perform HTTP based firmware management operations with your Web browser try the TF...

Страница 36: ...be 000102334455 hex Don t change the configuration file name in the Save As dia log box Select a folder in which the configuration file is to be stored And then click Save NOTE The procedure may be a...

Страница 37: ...e computer that is to serve as a TFTP server Fig 27 Firmware upgrade by TFTP To upgrade firmware of the AP by TFTP 1 Get a computer that will be used as a TFTP server and as a managing computer to tri...

Страница 38: ...ble nature of wireless media it s highly recommended that the TFTP server and the to be upgraded wireless AP be connected by Ethernet and on the same LAN so that the upgrade process would be smooth NO...

Страница 39: ...ocol 6 Within the Configuration Backup Restore section specify the IP address of the computer which acts as a TFTP server If you don t know the IP address of the computer open a Command Prompt and typ...

Страница 40: ...w the IP address of the computer open a Command Prompt and type IpConfig then press the Enter key 8 Trigger the restoring process by clicking Restore The AP will then download the configuration backup...

Страница 41: ...et Set Manually or automatically assigned by a DHCP server on the LAN Obtain from a DHCP Server If you are manually set ting the IP address Subnet mask and Default gateway settings set them appropri a...

Страница 42: ...and Secondary DNS server settings that will be sent to a client at its request Additionally you can specify the first IP address that will be assigned to the clients and the number of allocateable IP...

Страница 43: ...it requests one from the DHCP server Therefore in stead of configuring the IP address of an intranet server manually you can configure the server to obtain an IP address by DHCP and it is always assi...

Страница 44: ...N interface can be configured to work in IEEE 802 11b only b Only IEEE 802 11g only g Only or mixed mode Mixed 802 11g and 802 11b si multaneously The number of available RF channels depends on local...

Страница 45: ...ore wireless client can associate with the AP If traffic load of the AP exceeds the load specified in the Block clients if traffic load ex ceeds setting no more wireless client can associate with the...

Страница 46: ...S Then AP 1 forwards the packets to the Ethernet LAN Packets destined for the notebook computers follow a reverse path from the Ethernet LAN through the Aps to the notebook computers In this way AP 2...

Страница 47: ...nk between them On AP 00 02 65 01 62 C5 set the peer MAC address of port 1 to 00 02 65 01 62 C6 and on AP 00 02 65 01 62 C6 set the peer MAC address of port 1 to 00 02 65 01 C5 TIP Plan your wireless...

Страница 48: ...idges Ethernet switches Ethernet links and WDS links contain loops If any loops exist packets will circle around the loops and network performance will be seriously degraded Fig 42 Network topology co...

Страница 49: ...es directional antennas 7 Connect each bridge to a computer via Ethernet 8 Configure the date rate of each bridge to the lowest value 1Mbps 9 Fix the alignment of the antenna on one side 10 Adjust the...

Страница 50: ...feature to help you align the directional antennas Fig 45 Antenna alignment assistance Instead of using PING exe you can run Wireless Network Manager on Computer 1 and go to the Antenna Alignment tab...

Страница 51: ...e AP When the Wireless client isolation setting is set to This AP Only wireless clients of this AP cannot see each other and wireless to wireless traffic is blocked When the set ting is set to All Aps...

Страница 52: ...ustrated in Fig 47 when AP 1 and AP 2 are using the This AP Only option wire less traffic between STA 1 and STA 2 is blocked by AP 1 while wireless traffic between STA 2 and STA 3 which are associated...

Страница 53: ...ch both the TKIP and IEEE 802 1x dynamic key exchange mechanisms are enabled The AP is highly secured in this mode In the above security modes a back end RADIUS Remote Authentication Dial In User Serv...

Страница 54: ...ccess to the wireless network 1 Select Enabled from the Functionality drop down list 2 Set the Access control type to exclusive 3 Specify the MAC address of a wireless client to be denied access and t...

Страница 55: ...r and then command the AP to download the MAC ACL Access Control List file from the TFTP server Fig 51 shows the contents of a sample ACL file Fig 51 Sample MAC ACL file To download a MAC ACL file fro...

Страница 56: ...ality of the access point is controlled by the security mode see Section 0 So far the wireless access point supports two authentication mecha nisms EAP MD5 Message Digest version 5 EAP TLS Transport L...

Страница 57: ...S server An IEEE 802 1x capable wireless access point and its RADIUS server s share a secret key so that they can authenticate each other In addition to its IP address a wireless access point can iden...

Страница 58: ...g capability is enabled or disabled Policy for matched packets how a matched packet is processed discard or pass To enable a filtering rule select the check box to the left of the rule 3 6 1 1 Etherne...

Страница 59: ...nge is determined by performing an AND operation on the source destination IP address field and the source destination subnet mask field For example if the source IP address field is 192 168 1 254 and...

Страница 60: ...ver peripheral devices by HTTP When the UpnP functionality is enabled you can see the AP in My Network Places of Windows XP The AP can be given a friend name that will be shown in My Network Places Do...

Страница 61: ...nto the following categories General system and network connectivity status changes Built in AP wireless client association and WEP authentication status changes MIB II traps Cold Start Warm Start Lin...

Страница 62: ...n specify the name used as a password of the read only and read write com munity In addition up to 5 SNMP trap targets can be set in the SNMP Trap Table To specify a trap target 1 Type the IP address...

Страница 63: ...A card or the label on the housing of the AP Security Mode Open System Selected WEP Key Key 1 WEP Key 1 00 00 00 00 00 WEP Key 2 00 00 00 00 00 WEP Key 3 00 00 00 00 00 WEP Key 4 00 00 00 00 00 MAC Ad...

Страница 64: ...56 System Log Local Log SNMP Enabled SNMP read community public SNMP write community private Telnet Enabled...

Страница 65: ...1 Wireless Settings Problems The wireless client computer cannot associate with an AP Is the wireless client set in infrastructure mode Check the operating mode of the WLAN NIC Is the SSID of the WLA...

Страница 66: ...DNS server is transmitted back to the client computer following a reverse path When the client computer receives the DNS reply it knows the IP address of the corre spondent host and sends further pac...

Страница 67: ...he same IP subnet TIP If you forget the current IP address of the AP use Wireless Router AP Browser to get the information see Appendix B 3 The default gateway of the client computer does not respond...

Страница 68: ...unch the default Web browser on your computer Fig 61 Wireless Router AP Browser The AP stops working and does not respond to Web management requests The firmware of the AP may be stuck in an incorrect...

Страница 69: ...Null Modem cable 3 Select the serial port COM1 or COM2 you use for connecting the device from the Serial port drop down list and click Connect 4 Chose the folder in which the firmware files reside by...

Страница 70: ...62 90000435 Rev A...

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