Milan Technology MIL-W2332G - Manuals

1 1. Introduction 1.1 Overview The MIL-W2332G Sh Air AccessG Pro Wireless Access Point/Bridge enables IEEE 802.11g or IEEE 802.11b client computers to access the resources on the Ethernet network. With the sleek Web-based user interface and the included Sh Air Wireless Management Utility, a network ...

5 2. First-Time Installation and Configuration 2.1 Selecting a Power Supply Method Optionally, the AP can be powered by the supplied power adapter or PoE (Power over Ethernet). The AP automatically selects the suitable one depending on your decision. To power the AP by the supplied power adapter: 1....

6 Fig. 1. Mounting the AP on a wall. 2.3 Preparing for Configuration For you to configure an AP, a managing computer with a Web browser is needed. For first-time configuration of an AP, an Ethernet network interface card (NIC) should have been installed in the managing computer. For maintenance-conf...

7 2.3.1 Connecting the Managing Computer and the AP To connect the Ethernet managing computer and the managed AP for first-time con-figuration, you have two choices as illustrated in Fig. 2. Managing Computer Normal Ethernet cable ShAir AccessG Pro AP Normal Ethernet cable Ethernet Hub/Switch Cross-...

8 2.4 Configuring the AP After the IP addressing issue is resolved, launch a Web browser on the managing computer. Then, go to “ http:// Error! Reference source not found.” to access the Web-based Network Manager Start page. TIP: For maintenance configuration of an AP, the AP can be reached by its h...

9 Fig. 4. The Start page. 2.4.2 Step 1: Selecting an Operational Mode Fig. 5. Operational modes settings. Go to the General, Operational Mode section, 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 ...

10 • AP Client. This mode is for Dynamic LAN-to-LAN Bridging. The AP Client auto- matically establishes bridge links with APs from any vendors. In either mode, the AP forwards packets between its Ethernet interface and wireless in-terface for wired hosts on the Ethernet side and wireless host(s) on ...

12 2.4.5 Step 4: Reviewing and Applying Settings Fig. 8. Settings changes are 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. NOTE: About 7 se...

13 2.5 Deploying the AP After the settings have been configured, deploy the AP to the field application environ-ment. Connect the AP to an Ethernet LAN through an Ethernet switch/hub. If you are configuring a pair of the APs for a dynamic or static bridging application and external high-gain directi...

14 Fig. 10. Antenna alignment assistance. Instead of using PING.exe, you can run Wireless Network Manager on Computer 1, and go to the Antenna Alignment tab. Click Start to begin monitoring the WDS link quality. Adjust the alignment of the antenna of Bridge 1 until the Link quality indicator shows a...

15 2.6 Setting up Client Computers The TCP/IP and IEEE 802.11g-related settings of wireless client computers must match those of the AP. 2.6.1 Configuring IEEE 802.11g-Related Settings Before the TCP/IP networking system of a wireless client computer can communicate with other hosts, the underlying ...

17 5. Type “ ping 2nd_dns_server ”, where 2nd_dns_server is a placeholder 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 Appendix B-2, “TCP/IP Settings...

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.

22 3.1.3 Home and Refresh Commands Fig. 15. Home and Refresh. At the bottom of each status page that shows read-only information, there are two but-tons— Home and Refresh . Clicking Home brings you back to the start page. Clicking Refresh updates the shown status information. 3.2 Viewing Status 3.2....

23 3.2.2 Current DHCP Mappings Fig. 17. Current DHCP mappings. On this page, all the current static or dynamic DHCP mappings are shown. A DHCP mapping is a correspondence relationship between an IP address assigned by the DHCP server and a computer or device that obtains the IP address. A computer o...

25 3.3 General Operations 3.3.1 Specifying Operational Mode Fig. 20. Operational modes settings. The AP supports 2 operational modes: • AP/Bridge. This mode provides both Access Point and Static LAN-to-LAN Bridging functionality. The static LAN-to-LAN bridging function is supported through Wireless ...

27 3.3.3 Managing Firmware Fig. 22. Firmware management protocol setting. Firmware management operations for the AP include firmware upgrade , configuration backup , configuration restore , and configuration reset . Firmware upgrade, configuration backup, and configuration restore can be achieved vi...

28 3.3.3.2 Backing up and Restoring Configuration Settings by HTTP Fig. 24. Firmware backup by HTTP. To back up configuration of the AP by HTTP: 1. Click Back Up . 2. You’ll be prompted to open or save the configuration file. Click Save . 3. The configuration file is named by the AP’s MAC address. F...

31 3.3.3.4 Backing up and Restoring Configuration Settings by TFTP Fig. 29. Configuration backup/restore. To back up configuration of the AP by TFTP: Get a computer that will be used as a TFTP server and as a managing computer to trigger the backup process. 1. Connect the computer and one of the LAN...

32 4. On the computer, run the TFTP Server utility. And specify the folder in which the configuration backup file resides. A configuration backup file is named by the AP’s MAC address. For example, if the AP’s MAC address is 00-01-02-33-44-55, the configuration backup file should be “000102334455.he...

33 3.4 Configuring TCP/IP Related Settings 3.4.1 Addressing Fig. 31. TCP/IP settings. The IP address of the AP can be manually set ( 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 De...

34 3.4.2 DHCP Server 3.4.2.1 Basic Fig. 32. Basic DHCP server settings. The AP can automatically assign IP addresses to client computers by DHCP. In this section of the management page, you can specify the Default gateway , Subnet mask , Primary DNS server , and Secondary DNS server settings that wi...

35 3.4.2.2 Static DHCP Mappings Fig. 33. Static DHCP mappings. IP addresses of servers are often static so that clients could always locate the servers by the static IP addresses. By Static DHCP Mappings , you can ensure that a host will get the same IP address when it requests one from the DHCP ser...

36 3.5 Configuring IEEE 802.11g-Related Settings 3.5.1 Communication 3.5.1.1 Basic Basic IEEE 802.11g-related communication settings include AP functionality , RF type , Regulatory domain , Channel number , Network name (SSID) , Data rate , and Transmit power . Fig. 34. Basic IEEE 802.11g communicat...

38 3.5.1.5 Wireless Distribution System LAN AP 2 Notebook Computer AP 1 WDS Fig. 38. Wireless Distribution System. Traditionally, access points are connected by Ethernet. By Wireless Distribution System (WDS), Aps can communicate with one another wirelessly. For example, in Fig. 38, AP 2 acts as an ...

39 Fig. 40. Wireless Distribution System settings. To enable a WDS link: 1. Specify the MAC address of the AP at the other end of the WDS link. 2. Select the corresponding Enabled check box. For example, assume you want two APs with MAC addresses 00-02-65-01-62-C5 and 00-02-65-01-62-C6 to establish ...

41 Fig. 43. Link health monitoring. Run Wireless Network Manager on a computer and locate the AP you want to manage. Go to the WDS tab, and then click Test . The test results ( OK or Broken ) will be shown in the Link Status column of the WDS links table. If external high-gain directional antennas a...

42 Bridge 1 WDS Link Computer 1 Computer 2 Bridge 2 PING (ICMP Echo Request) ICMP Echo Reply Adjust antenna alignment Fig. 44. Adjusting alignments of external directional antennas. TIP: You can make use of the Antenna Alignment Assistance feature to help you align the directional antennas. Fig. 45....

44 AP 1 AP 2 STA 1 STA 2 STA 3 Wireless Link Ethernet Link Switch WCI: This AP Only WCI: This AP Only Fig. 47. Behavior of the “This AP Only” wireless client isolation option. AP 1 AP 2 STA 1 STA 2 STA 3 Wireless Link Ethernet Link Switch WCI: All APs in This Subnet WCI: All APs in This Subnet Fig. ...

47 Fig. 50. MAC ACL download settings. Instead of manually entering MAC addresses to the access control table one by one, you can prepare a text file that contains all the MAC addresses and put it on a TFTP server, and then command the AP to download the MAC ACL (Access Control List) file from the T...

48 3.5.3 IEEE 802.1x/RADIUS IEEE 802.1x Port-Based Network Access Control is a new standard for solving some security issues associated with IEEE 802.11, such as lack of user-based authentication and dynamic encryption key distribution. With IEEE 802.1x and the help of a RADIUS (Remote Authenticatio...

50 3.6 Configuring Advanced Settings 3.6.1 Packet Filters The AP provides layer 2 (Ethernet Type Filters), layer 3 (IP Protocol Filters), and layer 4 (TCP/UDP Port Filters) filtering capabilities. The configuration processes for the filters are similar. Functionality : whether this filtering capabil...

51 3.6.1.2 IP Protocol Filters Fig. 55. IP protocol filters settings. The protocol, source address, and destination address fields of a packet incoming from the WLAN or Ethernet interface is inspected for filtering. In a rule, specify the hex-decimal protocol number, source IP address range (Source ...

54 3.6.2.3 SNMP Fig. 59. SNMP settings. The SNMP (Simple Network Management Protocol) functionality can be disabled, and you can 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...

55 Appendix A: Default Settings TIP: Press the Default ( SF-Reset , or Soft-Reset ) switch on the housing of a pow- ered-on AP to reset the configuration settings to factory-default values. Setting Name Default Value Global User Name root Password root IEEE 802.11g Regulatory Domain FCC (U.S.) Chann...

57 Appendix B: Troubleshooting Check the following first: • Make sure that the power of the AP is on and the Ethernet cables are connected firmly to the RJ-45 jacks of the AP. • Make sure that the LED ALV of the AP is blinking to indicate the AP is working. • Make sure the types of the Ethernet cabl...

58 B-2: TCP/IP Settings Problems Default Gateway of Client Computer AP IEEE 802.11g Stage A State B Correspondent Host Stage D Client Computer DNS Server of Client Computer Ethernet LAN Internet Fig. 60. Communication stages for a client to reach its correspondent host. For a wireless client compute...

59 Use the OS-provided command-line network tool, route.exe , to modify the contents of the routing table. Use Windows-provided Device Manager to disable unnecessary NICs. ƒ Is the underlying link (Ethernet or IEEE 802.11g) established? Make sure the Ethernet link is OK. Make sure the wireless setti...

60 B-3: Unknown Problems • The AP has been set to obtain an IP address automatically by DHCP. How can I know its acquired IP address so that I can manage it using a Web browser? ƒ Use the utility, Wireless Router/AP Browser ( WLBrwsr.exe ), in the “ Utilities ” folder on the companion CD-ROM disc. T...

61 Appendix C: Additional Information C-1: Firmware Upgrade Using Xmodem Upgrade Fig. 62. Xmodem Upgrade. To upgrade the firmware of AP using Xmodem Upgrade over RS232: 1. Power off the AP whose firmware will be upgraded. 2. Connect the managing PC and the AP with an RS232 Null Modem cable. 3. Selec...