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Proxim RangeLAN2 7500 User Manual

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Model 7500
User's Guide

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Summary of Contents for Proxim RangeLAN2 7500

  • Page 1 LAN2 ANGE Model 7500 User's Guide...
  • Page 2 Also, note that the Proxim Technical Support information contained in Appendix F of this manual is no longer valid. If you need to contact Proxim Technical Support, you may do so by voice, fax, email, BBS, or mail as follows:...
  • Page 3 Proxim will not honor this warranty if there has been any attempt to tamper with or remove the Adapter's external foil label. This warranty does not cover and Proxim will not be liable for any damage or failure caused by misuse, abuse, acts of God, accidents, or other causes beyond Proxim's control, or claim by other than the original purchaser.
  • Page 4 Authorization) number from Proxim Customer Service. The product must be returned in its original packaging. The RMA number should be clearly marked on the outside of the box. Proxim cannot be held responsible for any product returned without an RMA number, and no product will be accepted without an RMA number.

  • Page 5: Table Of Contents

    Contents 1. Introduction ..............1 The RangeLAN2 Family ................2 System Requirements ................2 The Product Package ................3 2. Quick Installation ............5 3. Network Topologies ............ 7 Client/Server Network Operating Systems ..........7 Peer-to-Peer Network Operating Systems ..........8 4.
  • Page 6 5. Configuring the RangeLAN2 7500 ......23 Locally (Out-of-band) ................23 Remotely (In-band) ................26 Using an SNMP Management Package ..........30 SNMP Supported Traps ............... 32 6. Using the Configuration Software ......33 Configure RangeLAN2 ................33 Configure Bridge ..................37 Configure TCP/IP ..................

  • Page 7: Introduction

    Congratulations on your purchase of RangeLAN2 7500 Access Point, a member of the RangeLAN2 family. As with all members of the RangeLAN2 family, RangeLAN2 7500 is a long range, high performance LAN product that allows networked computers to communicate wirelessly.

  • Page 8: The Rangelan2 Family

    RangeLAN2 7100 is a high performance wireless LAN adapter that fits into a standard PC/AT ISA bus slot. System Requirements To begin using your RangeLAN2 7500, you need the following minimum system requirements: An Ethernet cable drop A DOS-based PC either on the network or with a free...

  • Page 9: The Product Package

    United States of America. For continued compli- ance with harmonized standards, an appropriate approved HAR power cord should be used with the RangeLAN2 7500 in countries other than the United States of America. One BNC “T” Adapter If any of these items are missing or damaged, please contact...
  • Page 10 Proxim Configuration POWER LAN 1 LAN 2 RangeLAN2/Access Point proxim Tool Proxim Access Point by proxim LAN2/7500 ANGE Wireless LAN Access point User's Guide Figure 1 RangeLAN2 Components...

  • Page 11: Quick Installation

    2. Quick Installation You may follow the quick installation steps if the following conditions are true: There will only be one RangeLAN2 7500 on this network You will use all the software default values (MASTER, domain 0, IP address 192.0.1.2)
  • Page 12 Figure 2 Attachment of the RangeLAN2 7500 Antenna 3. Attach an Ethernet cable to the Ethernet port on the back of the RangeLAN2 7500. 4. Plug the power cable into the back of the RangeLAN2 7500 and into an AC power outlet.

  • Page 13: Network Topologies

    NetWare is an example of a client/server operating system. Server Mainframe Printer POWER LAN 1 LAN 2 RangeLAN2/Access Point proxim Bridge POWER LAN 1 LAN 2 POWER LAN 1 LAN 2 RangeLAN2/Access Point...

  • Page 14: Peer-To-Peer Network Operating Systems

    In order to have wireless stations communicate with wired Ethernet clients, you need a RangeLAN2 7500 Access Point attached to the Ethernet wire. If you have multiple RangeLAN2 7500 Access Points, your wireless clients will also be able to roam.

  • Page 15: Understanding Rangelan2

    4. Understanding RangeLAN2 RangeLAN2 radios use a radio technology called frequency hopping spread spectrum. This means that the radio signal is constantly moving from one frequency to another while sending packets of data. This hopping technique allows for multiple hopping patterns to be used in the same area and minimizes interference.

  • Page 16: Domain

    For example, the Engineering Department may use Domain 2 and the Sales Department may use Domain 5. Then engineers can only roam within the geographical area mapped out by RangeLAN2 7500 Access Points with a Domain setting of 2.

  • Page 17: Channel

    The Domain is a number between 0 and 15 with 0 being the default setting. Channel default=1 Each Master can select one of 15 Channels to establish commu- nications with Stations. Each Channel number sets a unique frequency hopping sequence allowing for multiple subnetworks with higher data rate transmission capability in the same air space.

  • Page 18: Master_Name

    For example, you can use Channel 1, Subchannel 1 for Network A and Channel 1, Subchannel 2 for Network B. The two net- works will not communicate with one another. They are, how- ever, still sharing the 1.6 Mbps pipe since they are both using Channel 1.

  • Page 19: Mac_Optimize

    This parameter can help improve throughput for small net- works. If you have 8 or fewer wireless nodes communicating with a RangeLAN2 7500 at the same time, set this parameter to Light. (You can have more than 8 nodes synchronized to a RangeLAN2 7500 but only 8 or fewer communicating at the same time for the Light parameter setting.) In networks with...

  • Page 20: Rangelan2 Roaming

    Normal Fast RangeLAN2 Roaming In order to enhance our wireless solutions, Proxim offers roam- ing capability to break the wireless distance barrier. To accom- plish this, install RangeLAN2 7500 Access Points throughout your building. The coverage of each RangeLAN2 7500 Access Point should overlap in order to provide uninterrupted wireless access at any location within the building.
  • Page 21 Points in the network. When the roaming PC leaves the transmis- sion range of one RangeLAN2 7500, the software automatically polls the other RangeLAN2 7500 in the same Domain to con- tinue the network connection. See the following illustration for an example of a network set up with a RangeLAN2 roaming domain.
  • Page 22 Server Mainframe Printer POWER LAN 1 LAN 2 RangeLAN2/Access Point proxim Bridge POWER LAN 1 LAN 2 RangeLAN2/Access Point proxim POWER LAN 1 LAN 2 RangeLAN2/Access Point proxim POWER LAN 1 LAN 2 RangeLAN2/Access Point proxim LAN2/ ANGE LAN2/ ANGE...

  • Page 23: Guidelines For Roaming

    Guidelines for Roaming Roaming occurs between RangeLAN2 7500 Access Points (not RangeLAN2 7100s in file servers) All RangeLAN2 7500s are configured as Masters All RangeLAN2 7500s have the same Domain and Security ID All RangeLAN2 7500s have a unique Channel/ Subchannel pair.

  • Page 24: Spanning Tree Protocol Support

    Spanning Tree Protocol Support RangeLAN2 7500 meets the IEEE 802.1d Spanning Tree Proto- col specification. This protocol was designed to handle cases in a complex bridged network (multiple bridges) where loops are created either unintentionally or to provide redundancy in the network.

  • Page 25: Spanning Tree Priority

    0 to 65535 with the RangeLAN2 7500 default being set to 32,768. Bridge Max Age When the RangeLAN2 7500 is acting as the root, it will use this parameter to determine the maximum amount of time before discarding hello packet data for all bridges on the network. This parameter is specified in seconds between 6 and 40 with a default value of 20.

  • Page 26: Bridge Forward Delay

    255 with default values of 128. RangeLAN2 Port Enabled and Ethernet Port Enabled If either port is disabled, the RangeLAN2 7500 will not forward data packets to the network through this port. Since there are only two ports on the RangeLAN2 7500, disabling either port...

  • Page 27: Rangelan2 Port Path Cost And Ethernet Port Path Cost

    These parameters specify the cost that will be added to the spanning tree for this port of the RangeLAN2 7500. This applies only when the RangeLAN2 7500 is not the root of the tree and when the port you are setting is the root port of the 2 RangeLAN2 7500 ports.

  • Page 29: Configuring The Rangelan2 7500

    You may use the DB-9 Local Management Port on the back of the RangeLAN2 7500 to configure the RangeLAN2 7500. To locally configure the RangeLAN2 7500, you need a female to female null modem RS-232 cable and a DOS-based PC with an...
  • Page 30 MS-DOS's Edit. If you will be using a serial port on your PC other than COM2 (I/O 2F8, INT 3) to configure the RangeLAN2 7500, change the SLIP.BAT file to reflect the I/O Port Address and Interrupt settings of your COM port.
  • Page 31 COM1, the batch file would look like: SLIP8250 0x60 SLIP 4 0x3F8 9600 5. Move to the directory which contains the batch file and the RangeLAN2 7500 Configuration Software and run the batch file: C:\> CD\AP C:\AP> SLIP 6.

  • Page 32: Remotely (In-Band)

    The second configuration option is remotely across the wired network. 1. Install a wired Ethernet card in the PC you intend to use for configuration of your RangeLAN2 7500. This machine will be sending and receiving IP packets to the RangeLAN2 7500 during the configuration process.
  • Page 33 (or B:) 4. Edit the CFG.CFG file. This file assigns an IP address to the machine being used to configure the RangeLAN2 7500. If this is the first time you are configuring the RangeLAN2 7500, leave the default setting in CFG.CFG. Once the RangeLAN2 7500 has been assigned an IP address, re-edit the CFG.CFG file so that the configuration PC...
  • Page 34 In this case, proceed with step 6. 6. To use the Ethernet card's ODI driver, copy this driver into the same directory as the RangeLAN2 7500 Configuration Software. 6. Edit the NET.CFG file for this ODI driver using a text editor like MS-DOS's Edit and...
  • Page 35 10. Choose Default from the list of Access Points if this is an initial configuration and press <Select>. If an IP address has already been assigned to the RangeLAN2 7500, <Add> the unit to the list of Access Points with its IP address. Proceed through the configuration boxes.

  • Page 36: Using An Snmp Management Package

    NET.CFG file and bind to the proper frame type. Using an SNMP Management Package You may choose to manage the RangeLAN2 7500 by any SNMP management package. The RangeLAN2 7500 supports the following managed objects: MIB-II (RFC 1213) IEEE 802.1d Bridge MIB (RFC 1493)
  • Page 37 You may choose to configure the RangeLAN2 7500 through the Configuration Tool (in-band or out-of-band) to set SNMP parameters before using an SNMP man- ager. Choose the button labeled <Configure SNMP>. System Description names the RangeLAN2 7500 you are managing and displays the version of software it is running.

  • Page 38: Snmp Supported Traps

    GET, GET-NEXT, and SET operations are supported within the scope of this community. The Trap Target Community parameter specifies the community that will be used by the RangeLAN2 7500 when generating TRAP PDUs to remote managers. The Trap Target IP Address specifies the IP address of the device to which generated TRAP PDUs will be sent.
  • Page 39 Authorization - Sent to the network manager when someone tries to manage a RangeLAN2 7500 with an invalid community No Traffic - Sent when set to a non-zero value and when the RangeLAN2 7500 does not receive any traffic from other radios for the configured period of time. The time may be configured in the <Configure RangeLAN2>...

  • Page 41: Using The Configuration Software

    RangeLAN2 7500. If you are locally managing the RangeLAN2 7500, choose Local Access Point after opening CFG. If remotely managing the RangeLAN2 7500, choose the correct RangeLAN2 7500 once in CFG. Once the unit has been selected, you have several configuration options. Configure RangeLAN2...
  • Page 42 “Trap Target.” You also have the option to enable or disable repeating. When repeating is enabled and the RangeLAN2 7500 is configured as a Master, it will repeat any signal coming from one Station and destined for another Station, if the two Stations are both within range of the Master but not within range of one another.

  • Page 43: Configure Bridge

    If you have multiple RangeLAN2 7500s on your network and want to give wireless clients roaming capabilities, all RangeLAN2 7500s should be configured as Masters in the same Domain with unique Channel/Subchannel combinations. For more information on the RangeLAN2 software parameters, see chapter 4. Configure Bridge The <Configure Bridge>...

  • Page 44: Configure Tcp/Ip

    If you are configuring the RangeLAN2 7500 remotely and change the IP address, you may also need to change the CFG.CFG file on the configuring PC. The IP address of the RangeLAN2 7500 and that of the configuring PC must be part of the same IP network.
  • Page 45 In the example below, there is a RangeLAN2 7500, a router, and an Ethernet node. The IP Address of the Ethernet node is 192.0.5.7. The router is configured with 2 IP Addresses of 192.0.1.6 and 192.0.5.6.

  • Page 46: Configure Filters

    Configure Filters The filter configuration allows you to customize the type of traffic which is forwarded from the Ethernet network to the RangeLAN2 network. When a box is checked, this indicates that traffic that meets the corresponding filter characteristic (e.g., Protocol Type) will be filtered OUT, and will NOT be forwarded.
  • Page 47 The PROTOCOL TYPE FILTERS prevent traffic of a particu- lar protocol type from being forwarded from Ethernet to RangeLAN2. When “Other Types” is checked, all types other than those listed will be filtered out. DO NOT filter out the types of packets you know RangeLAN2 nodes will need to receive.

  • Page 49: Performance Hints

    RangeLAN2 radios to communicate, they must be at the same frequency at the same time. Proxim devised a method whereby one unit, called the Master station, sets the pace for the other radios. All stations look to the Master station to determine where and when to hop. If there is no Master station present, a station configured as an Alternate Master station will decide to become the Master for that session.
  • Page 50 This configuration leaves the system administrator for the net- work with the task of configuring each wireless station on the network as Master station, Alternate Master station or just a Station. In most cases, using the default configurations for each of the drivers will work fine.

  • Page 51: Microwave Ovens

    The site survey tool was developed to aid in this process. Additionally, Proxim has devel- oped some guidelines to estimate the range that users will see when the product is installed in their facility, but there are no hard and fast specifications.
  • Page 52 Two antennas that are communicating should be in the same plane. For example, do not lie one antenna on its side and have its partner standing upright. Additionally, if you are interested in antenna options, contact your Proxim Sales Representative about antenna kits.

  • Page 53: Troubleshooting

    8. Troubleshooting RangeLAN2 7500 is designed to be very easy to install and operate. If you do experience difficulties, however, use the information in this chapter to help diagnose and solve the prob- lem. If you cannot resolve the problem, contact Proxim, as described in Appendix F, “How to Reach Technical Support.”...
  • Page 54 D) Verify the Access Point diskette is seated properly inside the RangeLAN2 7500. No response from the RangeLAN2 7500 when configur- ing locally. There are several possible solutions for this problem: A) Verify that SLIP.BAT is configured for the correct I/O port address and IRQ interrupt of the configuration PC's COM port.

  • Page 55: Rangelan2 7500 Leds

    If you cannot see the RangeLAN2 7500, you may be using the wrong domain. C) Check the filter settings on the RangeLAN2 7500. Verify that you are not filtering out the kind of traffic you are trying to send.
  • Page 56 RangeLAN2 7500: The red LED in the bottom right is on steady when the RangeLAN2 7500 is acting as the Master station. There should be only one card on the subnetwork with this light on at any time.

  • Page 57: Rangelan2 7500 Audio Aids

    Q. What are the LEDs on the back? A. The red LED is on steady when the RangeLAN2 7500 is acting as the Master. One of the yellow LEDs is on steady when it’s synchronized to a Master. The other two LEDs flicker —...
  • Page 58 LAN2 indicates it’s transmitting out the Ethernet side. Q. How do I know if the RangeLAN2 7500 booted up properly? A. Listen for the tones ending with the “Happy” beep. If you don’t hear all the tones, it probably didn’t boot up success- fully.

  • Page 59: Other

    RangeLAN2 7500. Finally, check the filters to make sure they are not excluding the kind of traffic you need to pass through the RangeLAN2 7500. Q. What does an “X” in a filter box mean? A. It means that kind of traffic will NOT pass through the RangeLAN2 7500.

  • Page 60: Setting The Rangelan2 Security Id

    To set the RangeLAN2 Security ID, use the CFG program that came on the driver diskette. Select the correct RangeLAN2 7500 from the list. Choose the <Configure RangeLAN2> button followed by the <Set Security ID> button to set or change the Security ID on the RangeLAN2...

  • Page 61: Upgrading The Software

    B. Upgrading the Software At some point in the future, you may need to upgrade the RangeLAN2 7500 software. To do this, use the CFG tool in the same way in which you would configure the RangeLAN2 7500. In the <Configure TCP/IP> screen, type the name of the file you would like to be downloaded to the RangeLAN2 7500 in the “Download File”...

  • Page 62: Usa Frequency Allocations

    C. USA Frequency Allocations AM Broadcast Radio Amateur Radio TV Relay Land Mobile Military VHF TV Distress, Calling, Search & Rescue FM Radio Broad Amateur Radio Land Mobile TVRO VHF TV Radar Altimeter Military Military Military Microwave Military Radar UHF TV Aeronautical Navigation Aeronautical Weather Radar...

  • Page 63: Specifications

    The following technical specification is for reference pur- poses only. Actual product's performance and compliance with local telecommunications regulations may vary from country to country. Proxim, Inc. will only ship products that are type approved in the destination country. Network Interfaces...

  • Page 64: Glossary

    E. Glossary Access Point - An internetworking device that seamlessly con- nects wired and wireless networks together. Bandwidth — The size (In Hertz) of the frequency range that a signal transmission occupies. Typical narrow band signals occupy a 2 5KHz bandwidth. The RangeLAN2 signal occupies a 1 MHz bandwidth.
  • Page 65 Narrow Band — A channel of about 25 KHz bandwidth in the RF spectrum. The FCC allocates Narrow Band channels and issues a license to the user. Each user of a specific narrow band frequency range must obtain a site license from the FCC. Spread Spectrum —...

  • Page 66: How To Reach Technical Support

    F. How to Reach Technical Support If you’re having a problem using RangeLAN2 7500 and can’t resolve it with the information in Chapter 8, gather the following information and contact Proxim Technical Support: What kind of network are you using?
  • Page 67 If a packet is destined for an IP host or node that needs to cross a router, the RangeLAN2 7500 will look for the Default Gateway to indicate where a router is that can send the packet to its proper destination.

  • Page 68: Upgrading The Software

    Security ID on the wireless client to re-establish the session. If you forget the Security ID that you chose, you will have to reset the RangeLAN2 7500 using a Serial or Ethernet method.
  • Page 69 If you are running the CFG tool with an Ethernet link, enter this command: C:\> WINPKT 0X61 Filters The filter configuration allows you to customize the type of traffic which is forwarded from the Ethernet network to the RangeLAN2 network. When a box is checked, this indicates that traffic that meets the corresponding filter characteristic (e.g., Protocol Type) will be filtered OUT, and will NOT be forwarded.
  • Page 70 The ARP FILTER enables IP ARP broadcast filtering. When this filter is enabled, ARP broadcasts will be forwarded from Ethernet to RangeLAN2 only if the destination IP address is on the IP network defined by the IP Network Address and Subnet Mask fields. BROADCAST BANDWIDTH ALLOCATION allows you to specify the maximum percentage of broadcast packets that will be sent from the Ethernet network to the wireless clients.
  • Page 71 When repeating is enabled and the RangeLAN2 7500 is configured as a Master, it will repeat any signal coming from one Station and destined for another Station, if the two Stations are both within range of the Master but not within range of one another.
  • Page 72 RangeLAN2 7500 Power Cord The RangeLAN2 7500 is provided with power cord that is intended for use in the United States of America only. For continued compliance with harmonized standards, an appropriate approved HAR power cord should be used with the RangeLAN2 7500 in countries other than the United States of America.

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