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Nortel 6220 User Manual

Nortel 6220 User Manual

Wlan cable access point
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NTPM99CA 02
Nortel Networks
WLAN Cable Access Point 6220
User Guide
Standard Release 2.0 Issue 1 Dec 2005
What's inside?
About this document
Overview
Planning your WLAN network
Installation
Configuration
Administration
Troubleshooting
Appendix

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Summary of Contents for Nortel 6220

  • Page 1 NTPM99CA 02 Nortel Networks WLAN Cable Access Point 6220 User Guide Standard Release 2.0 Issue 1 Dec 2005 What’s inside? About this document Overview Planning your WLAN network Installation Configuration Administration Troubleshooting Appendix...
  • Page 2 Nortel Networks and the Nortel Networks logo are trademarks of Nortel Networks, Inc. Multi-Region Product Documentation This document may describe features that are not available in your region due to local regulations.
  • Page 3 Publication history December 2005 Issue 1. Issued for WLAN Cable Access Point 6220 APU & CSU...

  • Page 4: Table Of Contents

    Contents ABOUT THIS DOCUMENT 7 OVERVIEW 13 NTRODUCTION RODUCT ESCRIPTION APU (A ) 17 CCESS OINT CSU (C ) 22 ORPORATE ERVICE PLANNING YOUR WLAN NETWORK 25 & P URVEY LANNING IRELESS ETWORK LANNING INSTALLATION 29 APU INSTALLATION & CONFIGURATION 29 1-1 33 ROCEDURE 1-2 38...
  • Page 5 APPENDIX A. SPECIFICATION 198 APPENDIX B. DOCSIS SPECIFICATION 207 APPENDIX C. ANTENNA 209 APPENDIX C. ENCLOSURE DIMENSION 215 WLAN Cable Access Point 6220 NTPM99CA 01 Rel 1.0 Issue 3 Dec 2004...

  • Page 6: About This Document

    About this document This document describes the system features used in the WLAN Cable Access Point 6220 Release 2.0 Product. Topics covered include the following: • Overview Introduction Product Description APU (Access Point Unit) CSU (Corporate Service Unit) • System Planning Site Survey &...
  • Page 7 Institute of Electrical and Electronics Engineers Industrial Scientific and Medical equipment Internet Service Provider International Telecommunication Union Line of Sight Media Access Control Management Information Base Network Access Server Network Address Translation WLAN Cable Access Point 6220 NTPM99CA 01 Rel 1.0 Issue 3 Dec 2004...
  • Page 8 Unlicensed National Information Infrastructure Uninterruptible Power Supply VLAN Virtual Local Area Network VSWR Voltage Standing Wave Ratio Wired Equivalent Privacy Wi-Fi Wireless Fidelity WLAN Wireless Local Area Network WLAN Cable Access Point 6220 NTPM99CA 01 Rel 1.0 Issue 3 Dec 2004...
  • Page 9 Technical Support and Information If you purchased a service contract for your Nortel Networks product from a distributor or authorized reseller, contact the technical support for that distributor or reseller for assistance. If you purchased a Nortel Networks service program, contact Nortel Networks Technical Support as indicated in the following table.
  • Page 10 Warning and safety precautions To prevent personal injury, equipment damage, or service interruption, follow all precautionary messages found in WLAN Cable Access Point 6220 documentation and the safety procedures established by your company. The following precautionary messages appear in WLAN Cable Access Point...
  • Page 11 DO NOT ATTEMPT TO HANDLE THE UNIT YOURSELF. WITHOUT FULL KNOWLEDGE OF THE OPERATIONS AND CHARACTERISTICS OF THE APU PRODUCT AS OPENING OR REMOVING COVERS MAY EXPOSE YOU TO DANGEROUS VOLTAGE OR OTHER HAZARDS. WLAN Cable Access Point 6220 NTPM99CA 01 Rel 1.0 Issue 3 Dec 2004...

  • Page 13: Overview

    The WLAN Cable Access Point 6220 solution provides: Flexible service platform The WLAN Cable Access Point 6220 is a flexible service platform giving cable operators the ability to offer many different wireless services such as Public Hot Spots and Commercial High Speed Data services.
  • Page 14 Performance optimization via multiple antenna options Nortel Networks provides antenna options specifically engineered to enable the WLAN Cable Access Point 6220 to achieve peak link performance in Line of Sight (LOS) and Near LOS applications. Ease of installation...

  • Page 15: Product Description

    Product Description Figure 1-2 WLAN Cable Access Point 6220 APU Package Components Figure 1-3 WLAN Cable Access Point 6220 CSU Package Components WLAN Cable Access Point 6220 NTPM99CA 01 Rel 1.0 Issue 3 Dec 2004...

  • Page 16: Apu (Access Point Unit)

    APU (Access Point Unit) The following is a list of WLAN Cable Access Point 6220 APU features: • Enclosure has three sorts of connectors which support the connection to CATV Cable Network, Antenna and Monitoring Equipment. • Coaxial Port has the standard type of connector that can be efficiently adapted to every connector regardless of the termination type of coaxial cable such as “Trunk or Drop Cable”...
  • Page 17 Figure 1-4 APU (Top head) Figure 1-5 APU (Bottom) WLAN Cable Access Point 6220 NTPM99CA 01 Rel 1.0 Issue 3 Dec 2004...
  • Page 18 Figure 1-6 Inner Panel (APU) WLAN Cable Access Point 6220 NTPM99CA 01 Rel 1.0 Issue 3 Dec 2004...
  • Page 19 Figure 1-7 APU (Back) Figure 1-8 APU System Structure and Signal Flow WLAN Cable Access Point 6220 NTPM99CA 01 Rel 1.0 Issue 3 Dec 2004...
  • Page 20 Switch to reset the system to default settings Cable Modem LED Indicate the full status of Cable Modem Access Point LED Indicate the full status of Access Point WLAN Cable Access Point 6220 NTPM99CA 01 Rel 1.0 Issue 3 Dec 2004...

  • Page 21: Csu (Corporate Service Unit)

    CSU (Corporate Service Unit) The following is a list of WLAN Cable Access Point 6220 CSU features: • Enclosure has a POE connection interface and a DC Power Adapter Jack at the bottom of the CSU. • Operation Power & Data Traffic are mixed at POE Injector and supplied to the Ethernet Port on the CSU through CAT5 Cable.
  • Page 22 Figure 1-9 WLAN Cable Access Point 6220 CSU (Bottom) Figure 1-10 WLAN Cable Access Point 6220 CSU (Front) WLAN Cable Access Point 6220 NTPM99CA 01 Rel 1.0 Issue 3 Dec 2004...
  • Page 23 Figure 1-11 WLAN Cable Access Point 6220 CSU (Back) Figure 1-12 WLAN Cable Access Point 6220 CSU WLAN Cable Access Point 6220 NTPM99CA 01 Rel 1.0 Issue 3 Dec 2004...
  • Page 24 RF Filter & Arrestor RF module protecting from out-high voltage surge and ESD damage THE 12V POWER CONNECTOR IS NOT INTENDED FOR FIELD USE. THIS SOCKET IS ONLY APPLICABLE FOR A SPECIAL USE AT FACTORY OR REPAIR FACILITY. WLAN Cable Access Point 6220 NTPM99CA 01 Rel 1.0 Issue 3 Dec 2004...

  • Page 25: Planning Your Wlan Network

    Planning your WLAN Network The wireless network is much different than a wired network. The Installation of a wireless network requires some additional planning. This planning includes RF Link Engineering like RF Path planning, site selection, and back-bone network preparation. The radio links between all end sites are specified as three types of environmental connection as listed below: LOS (Line Of Sight)

  • Page 26: Site Survey & Planning

    Cables & connectors • Specialized software or hardware such as a spectrum analyzer • Digital camera for taking pictures of particular locations within a facility • Variable attenuator WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 1 Dec 2005...

  • Page 27: Wireless Network Planning

    Note: The final selection of operating channel should be done with the testing results of both APU and CSU. Procedure 4 (Radio Performance Tuning) Please refer to the Radio Link Test WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 1 Dec 2005...

  • Page 28: Installation

    Installation General This section provides a complete set of procedures for the installation of WLAN 6220 equipment. It includes cable assembling information as well as required connection information for the WLAN 6220 units, mounting and powering instructions. It is intended for use by trained installers familiar with CATV or Cable Modem and Wireless installations.
  • Page 29 CSU (Corporate Service Unit) Required Tools and Materials Before you install the WLAN Cable Access Point 6220, ensure you have the following: WLAN Cable Access Point 6220 APU package does not contain an antenna and universal antenna bracket kit. For list of antennas and accessories, see the WLAN Cable AP 6220 manual or contact your local Nortel networks representative.
  • Page 30 “Document CD” and “Software CD” that contains the APU Configurator, online help for the System Configuration, and various documents. PC or workstation with a Web browser for configuration WLAN Cable Access Point 6220 NTPM99CA 01 Rel 1.0 Issue 3 Dec 2004...

  • Page 31: Apu Installation & Configuration

    The antenna type should be selected according to the coverage needed and type of application - please refer to Appendix H for more detailed information. WLAN Cable Access Point 6220 NTPM99CA 01 Rel 1.0 Issue 3 Dec 2004...

  • Page 32: Procedure 1-1

    Weatherproofing All connections between the antenna connector and the transmission line must be weatherproofed according to standard industry practices. WLAN Cable Access Point 6220 NTPM99CA 01 Rel 1.0 Issue 3 Dec 2004...
  • Page 33 1. Ensure that each part number matches the actual part in the box. 2. Attach the mounting bracket to the antenna using the M6 flat washers, lock washers and hex cap bolts as shown in the mounting drawing. WLAN Cable Access Point 6220 NTPM99CA 01 Rel 1.0 Issue 3 Dec 2004...
  • Page 34 Weatherproofing All connections between the antenna connector and the transmission line must be weatherproofed according to standard industry practices. Figure 3-3 NTA-2400 Antenna Assembly WLAN Cable Access Point 6220 NTPM99CA 01 Rel 1.0 Issue 3 Dec 2004...
  • Page 35 The antenna must be installed so that the drain hole remains on the bottom. This drain hole must be kept open so that any moisture accumulating inside the RADOME will be able to drain properly. WLAN Cable Access Point 6220 NTPM99CA 01 Rel 1.0 Issue 3 Dec 2004...
  • Page 36 Figure 3-4 NTA-2412 Antenna Assembly WLAN Cable Access Point 6220 NTPM99CA 01 Rel 1.0 Issue 3 Dec 2004...

  • Page 37: Procedure 1-2

    Antenna mounting with a bracket TYPE I TYPE II BE SURE THAT THE RADIO ANTENNA IS LOCATED AWAY FROM ALL OTHER POWER FACILITIES LIKE CABLE OR POWER SUPPLIERS. WLAN Cable Access Point 6220 NTPM99CA 01 Rel 1.0 Issue 3 Dec 2004...

  • Page 38: Procedure 1-3

    5. Torque the clamp bolts to between 35 and 60 in-lbs (3.9 and 6.8 Nm). WLAN Cable Access Point 6220 NTPM99CA 01 Rel 1.0 Issue 3 Dec 2004...
  • Page 39 MINIMUM SEPARATION OF 20 cm FROM ALL PERSONS DURING NORMAL OPERATION. Figure 3-7 Unfastening the Strand Mounting Clamps on the APU Figure 3-8 Mounting the APU on the Strand by tightening the socket cap screw bolt WLAN Cable Access Point 6220 NTPM99CA 01 Rel 1.0 Issue 3 Dec 2004...

  • Page 40: Procedure 1-4

    Trunk Cable Design 2. Remove the outer jacket/armor to expose the inner jacket, noting that the removal of the outer jacket must be completed without scoring the inner jacket. WLAN Cable Access Point 6220 NTPM99CA 01 Rel 1.0 Issue 3 Dec 2004...
  • Page 41 1/8” past the end of the main nut. 11. Ensure that the cable is fully inserted into the connector so that the jacket butts up against the outer conductor seizing mechanism. WLAN Cable Access Point 6220 NTPM99CA 01 Rel 1.0 Issue 3 Dec 2004...
  • Page 42 (approximately 35 lbs, ft). 17. Secure the center conductor into the equipment enclosure with the seizing screw. WLAN Cable Access Point 6220 NTPM99CA 01 Rel 1.0 Issue 3 Dec 2004...
  • Page 43 19. Shrink the tubing with a painting motion not concentrating on any one area using a propane torch with a broad “soft” frame. Figure 3-16 Shrinking the tubing to Water Proof WLAN Cable Access Point 6220 NTPM99CA 01 Rel 1.0 Issue 3 Dec 2004...
  • Page 44 In order to prevent damage to the connector on APU enclosure, cut the pin of N to F type adapter to the length of 0.59inch (15mm) with a cutting tool WLAN Cable Access Point 6220 NTPM99CA 01 Rel 1.0 Issue 3 Dec 2004...
  • Page 45 Connecting the N to F type Adapter to the enclosure 7. Connect a coaxial cable to the F-connector port and fasten enough to prevent a water intrusion into the gap between connectors. WLAN Cable Access Point 6220 NTPM99CA 01 Rel 1.0 Issue 3 Dec 2004...
  • Page 46 9. Shrink the tubing with a painting motion not concentrating on any one area using a propane/Mapp torch with a broad “soft” frame. Figure 3-22 Shrink the tubing to Water Proof WLAN Cable Access Point 6220 NTPM99CA 01 Rel 1.0 Issue 3 Dec 2004...

  • Page 47: Procedure 1-5

    2. Fasten the bolt and the ground wire to the earth by connecting them to the earth facility. Figure 3-23 Assembling the grounding bolt and wire Figure 3-24 Concept diagram of APU enclosure grounding WLAN Cable Access Point 6220 NTPM99CA 01 Rel 1.0 Issue 3 Dec 2004...

  • Page 48: Procedure 1-6

    (-15dBmV ~ +15dBmV) referred in DOCSIS standard. But, some level margin should be added to the measured power level by 1 ~ 3 dB. WLAN Cable Access Point 6220 NTPM99CA 01 Rel 1.0 Issue 3 Dec 2004...
  • Page 49 + Calculated Signal level at Monitoring Port (Downstream): - 35dBmV ~ -5dBmV + Effective Signal level at Monitoring Port (Downstream): - 37dBmV ~ -7dBmV HFC AC Power level (Square wave): 45 VAC ~ 95VAC (Recommended level: 63Vac) WLAN Cable Access Point 6220 NTPM99CA 01 Rel 1.0 Issue 3 Dec 2004...

  • Page 50: Procedure 1-7

    If the LED flashes for more than 100 seconds, check if the data signal level at the monitoring port on the APU meets the recommended range of the signal level. WLAN Cable Access Point 6220 NTPM99CA 01 Rel 1.0 Issue 3 Dec 2004...
  • Page 51 Figure 3-26 LED Visual Checking Procedure WLAN Cable Access Point 6220 NTPM99CA 01 Rel 1.0 Issue 3 Dec 2004...

  • Page 52: Csu Installation & Configuration

    By default, CSU is pole mounted. Each unit is shipped with a pole mounting module. ENSURE THE CSU HAS BEEN POSITIONED NO LESS THAN 3 FEET ABOVE THE GROUND, OR FROM A ROUGHLY HORIZONTAL SURFACE . WLAN Cable Access Point 6220 NTPM99CA 01 Rel 1.0 Issue 3 Dec 2004...

  • Page 53: Procedure 2-1

    6. Slide two mounting nuts through a washer to each bracket hole as illustrated in Figure 3-3 7. Adjust the azimuth of CSU Antenna RADOME toward the remote unit and fasten sufficiently to secure the CSU on the pole. WLAN Cable Access Point 6220 NTPM99CA 01 Rel 1.0 Issue 3 Dec 2004...
  • Page 54 8. Adjust the up/down tilt (- 50 º to 50 º) and move the top or bottom of the CSU until the unit is roughly positioned at the correct angle and height. Figure 3-5 CSU Pole Mounting and Antenna Tilting 100 º WLAN Cable Access Point 6220 NTPM99CA 01 Rel 1.0 Issue 3 Dec 2004...

  • Page 55: Procedure 2-2

    2. Connect a cable to the POE port on the front panel of CSU through the hole of EMI cap and tighten it firmly. Figure 3-6 Connecting Ethernet Cable to CSU and Securing the EMI Cap WLAN Cable Access Point 6220 NTPM99CA 01 Rel 1.0 Issue 3 Dec 2004...
  • Page 56 6. Connect the other end of the data cable to the POE Injector indoor. 7. Plug the power cord of the POE Injector into an electrical outlet WLAN Cable Access Point 6220 NTPM99CA 01 Rel 1.0 Issue 3 Dec 2004...
  • Page 57 "shingle effect" to each layer of the sealing process. Apply two layers of electrical tape to the connector, and leave approximately 3 inches of cable exposed on either side of the connector. WLAN Cable Access Point 6220 NTPM99CA 01 Rel 1.0 Issue 3 Dec 2004...

  • Page 58: Configuration

    Configuration WLAN Cable Access Point 6220 CSU (APU, CSU) has the following management and operational features listed below: Software Installation APU-APU mode Basic Configuration and Operation Test CSU-APU mode Basic Configuration and Operation Test CSU-CSU mode Basic Configuration and Operation Test Testing the connection between APU &...

  • Page 59: Software Installation (Ap Configurator)

    2. Click the “Install” button and press the “open” button to find the dialog box. 3. Double click the name of the Configurator Installation program (the .exe file on your Software CD). WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 60 Configurator installation, your files will be stored in the directory where you last saved the Configurator files. The Install Shield also installs shortcuts to the Configurator on your desktop. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...

  • Page 61: Procedure 3-1

    APU Secure Data Mode CSU Secure Data Mode Base Station Mode Polling(Primary) Frequency User specific User specific Transmit Rate User specific User specific Network ID Others User-specific User-specific WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 62 Scanned Devices window. In case that DHCP service is available in the cable network, you can find a new local IP address assigned to the unit from DHCP server in the list box except the default IP address. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 63 For example, in case the IP address of Laptop computer is 192.168.0.100/24, the CSU will be allowable in 192.168.0.1/24 ~ 192.168.0.254/24 as the IP address subnet group. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 64 14. To setup the interface, Click on the Interface Setup button. 15. The Interface Setup screen is enabled and displayed, as shown in the Figure 4-9 Figure 4-8 AP Configurator Main window WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 65 20. Select the Enable Signal Quality Front Panel Display checkbox if your unit has a front panel display that is capable of displaying the signal quality. Figure 4-10 Interface setup dialog box WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 66 Gain(APU/11A): 22dBi 12.5% Caution: Do not use any other antennas exceeding the allowed maximum antenna gain value (22dBi) in case you select 802.11a mode as operation radio standard. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 67 24 Mbps 2 Mbps 12 Mbps 1 Mbps Transmit Power Antenna Gain Maximum Maximum allowable antenna - Omni-directional: 7dBi - Bi-directional: 9dBi - Flat panel : 14dBi 12.5% WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 68 [802.11b] Frequency Channel 2437 MHz 2412 MHz 2442 MHz 2417 MHz 2447 MHz 2422 MHz 2452 MHz 2427 MHz 2457 MHz 2432 MHz 2462 MHz WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 69 In the other side, if you are intended to use 802.11a, please keep in mind that all channels (4 channels) with 20MHz bandwidth are not permitted to be overlapped with each channels in the frequency plan. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 70 Note: If you select the DHCP option, it is recommended (though not required) that you set up your DHCP server to always provide the same IP address to this Secure Data Mode Station system. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 71 Figure 4-13 IP setup dialog box 28. For a more detailed setup, refer to the procedure 3-5(Basic Configuration) and 3-6(Advanced and Optional Configuration). WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...

  • Page 72: P Rocedure 3-2

    APU Secure Data Mode CSU Secure Data Mode Base Station Mode Polling(Primary) Frequency User specific User specific Transmit Rate User specific User specific Network ID Others User-specific User-specific WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 73 Figure 4-14 Test Network Configuration (Radio Connection) [Case I] APU to CSU (PTP or PMP) [Case II] CSU to CSU (PTP or PMP) WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 74 IP address assigned to the unit from DHCP server in the list box except the default IP address. Figure 4-15 Configurator Starting Window WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 75 12. The main window is redisplayed. 13. To setup the interface, Click on the Interface Setup button. 14. The Interface Setup screen is enabled and displayed, as shown in the Figure 4-19 WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 76 18. Make sure the APU Secure Data Mode in the left portion of Mode Selection is selected while “Polling Base station” is clicked in Secure Data Mode Base Station Mode. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 77 21. The Advanced Setup screen for a Secure Data Mode is shown below. 22. Setup all radio parameters including a frequency channel and transmit power referring to the permitted setting value specified in the following tables per radio standard. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 78 Note: It is recommended that you set the transmit power to “Maximum” as the antenna (ET-5PR12W) have been designed to meet FCC regulation specifying the maximum allowable EIRP at the maximum transmit power. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 79 (12dBi) except as the built-in type of antenna (ET-PR12) designated in Appendix C (Antenna) in case you select 802.11b/g mode as operation radio standard. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 80 2457 MHz 2432 MHz 2462 MHz Transmit Rate 11 Mbps 5.5 Mbps 2 Mbps 1 Mbps Transmit Power Antenna Gain Maximum Maximum allowable antenna Gain(CSU/11B): 12dBi 12.5% WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 81 24. Click “OK” button. 25. Click the Setup IP Setup button. The IP Setup screen is displayed, as shown below. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 82 Note: If you select the DHCP option, it is recommended (though not required) that you set up your DHCP server to always provide the same IP address to this Secure Data Mode Station system. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 83 Figure 4-23 IP setup dialog box 27. For a more detailed setup, refer to the procedure 3-5(Basic Configuration) and 3-6(Advanced and Optional Configuration). WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...

  • Page 84: P Rocedure 3-3

    APU Secure Data Mode CSU Secure Data Mode Base Station Mode Polling(Primary) Frequency User specific User specific Transmit Rate User specific User specific Network ID Others User-specific User-specific WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 85 Figure 4-24 Test Network Configuration (Radio Connection) [Case I] APU to CSU (PTP or PMP) [Case II] CSU to CSU (PTP or PMP) WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 86 7. Right click on the IP address of CSU, and then select ‘Configure This Device’. or click “Configure Remote” button below the list box. 8. The Change IP window is displayed, as shown in the following screenshot. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 87 12. The main window is redisplayed. 13. To setup the interface, Click on the Interface Setup button. 14. The Interface Setup screen is enabled and displayed, as shown in the Figure 4-29 WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 88 Ex) 2.4GHz antenna : 802.11b/g, 5.8GHz antenna: 802.11a 18. Select the Enable Signal Quality Front Panel Display checkbox if your unit has a front panel display that is capable of displaying the signal quality. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 89 20. The Advanced Setup screen for a Secure Data Mode is shown below. 21. Setup all radio parameters including a frequency channel and transmit power referring to the permitted setting value specified in the following tables per radio standard. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 90 Note: It is recommended that you set the transmit power to “Maximum” as the antenna (ET-PR12) have been designed to meet FCC regulation specifying the maximum allowable EIRP at the maximum transmit power. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 91 (12dBi) except as the built-in type of antenna (ET-PR12) designated in Appendix C (Antenna) in case you select 802.11b/g mode as operation radio standard. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 92 2457 MHz 2432 MHz 2462 MHz Transmit Rate 11 Mbps 5.5 Mbps 2 Mbps 1 Mbps Transmit Power Antenna Gain Maximum Maximum allowable antenna Gain(CSU/11B): 12dBi 12.5% WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 93 23. Click “OK” button. 24. Click the Setup IP Setup button. The IP Setup screen is displayed, as shown below. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 94 Note: Except for cable modem built-in APU, the CSU to operate as CSU mode is required to set a mandatory static IP address for the unit even though it can be set in both static IP and DHCP setup. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 95 DHCP server to always provide the same IP address to this Secure Data Mode Station system. 26. For a more detailed setup, refer to the procedure 3-5(Basic Configuration) and 3-6(Advanced and Optional Configuration). WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...

  • Page 96: P Rocedure 3-4

    Mode Selection APU Secure Data Mode CSU Secure Data Mode Base Station Mode Polling(Primary) Frequency User-specific User-specific Transmit Rate User-specific User-specific Network ID User-specific User-specific Others User-specific User-specific WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 97 Figure 4-35 Test Network Configuration (Radio Connection) [Case I] APU to CSU (PTP or PMP) [Case II] CSU to CSU (PTP or PMP) WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 98 Note: To differentiate the APU/CSU (APU mode) to be configured, you should check the AP MAC address of the APU/CSU (APU mode) which is printed on the label attached to the side of the APU/CSU (APU mode). WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 99 Read/Write Password screen is displayed, as shown below. Figure 4-38 SNMP Password (Read/Write) Enter the password “public” for the device you have selected at both text boxes, and then click the OK button. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 100 APU/CSU (APU mode) according to your local network design concept. 13. Select Wireless Link Test from the Analyze Tab. The Enter IP Address screen is displayed, as shown below. Figure 4-40 SNMP Password (Read/Write) WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 101 17. The Remote Link Test screen displays the results of your wireless link test, as shown below. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 102 APU at the mounting point of CSU, while monitoring the RF link quality status window so that the SNR and Link status bar for the best quality. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 103 Select another unit to verify if the base station is functioning properly. Try to optimize antenna placement to improve the Signal Level or move it away from the source of interference. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 104 Initiator Station. Select another Link Test Partner to verify if the base station is functioning properly. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...

  • Page 105: P Rocedure 3-5

    5. Choosing the correct parameters is crucial to obtain the accurate Ping Fill Test results. To find out more about each of the parameters, click in the fields shown in the screenshot below. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 106 7. Record the results of Average Transfer Rate. It is recommended that the results window be captured as a picture and saved in the file. Figure 4-45 Ping Fill Test Results Window WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 107 (enabled) and is NOT typical of the menu you will see. Each of the fields on the screen is explained below. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 108 IP traffic, but not general Ethernet traffic between (sub) networks. Enable IP Routing Selecting this checkbox in General Setup will enable your hardware device to route IP packets between its various interfaces. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 109 Internet. This allows homes, small businesses, and Internet Service Providers to have Internet service for all of their computers without having to pay for additional IP addresses. The NAT feature WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 110 Disable - Selecting Disable turns off MAC authentication entirely. Legacy Access Control - Selecting Legacy Access Control enables access to the Access Control Setup screen and disables access to the Advanced Authentication screen WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 111 802.11 interface. Remote Checkbox -- Select this checkbox if all traffic coming in on this interface is to be viewed as remote traffic for firewall, bridging, filtering, WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 112 Each of the Interface Setup screens is explained in more detail below. Set up Ethernet Clicking the Setup 1 button on the Interface Setup screen displays the Ethernet Setup screen. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 113 Clicking the Setup 2 button on the Interface Setup screen displays the 802.11 Setup screen. The 802.11 Setup screen is used to set up the interface to your 802.11 network devices. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 114 802.11 Network Name-- The 802.11 Network Name is used in standard IEEE 802.11 networks to distinguish stations in your 802.11 network from stations that belong to a neighboring 802.11 network. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 115 (polling) Secure Data Mode Base Station modes in a lightly loaded network, or in a network with only a few satellites. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 116 To filter Ethernet protocols that are transferred between the wireless stations (for example, to disable the Windows Network Neighborhood), select ISP Base Station with Protocol Filtering. Filters set in Bridge WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 117 To properly use this setting, you must be sure that the following items match the APU Secure Data Mode Station Settings: Network ID(NWID) System Access Pass phrase Frequency Channel WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 118 802.11 Setup screen. The 802.11 Advanced Setup screen for a Secure Data Mode Base Station is shown below. Figure 4-52 Advanced setup dialog box [802.11a] WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 119 [802.11g] [802.11b] WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 120 2432 MHz 2462 MHz Radio Transmit Rate-- Select the radio bit rate used to transmit. Your choices are: [802.11a] Transmit Rate 6Mbps 36Mbps 9Mbps 48Mbps 12Mbps 54Mbps 24Mbps WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 121 Appendix C (Antenna) has been designed to meet FCC regulation to restrict the actual transmit power (EIRP) at the maximum transmit power. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 122 Secure Data Mode unit in the network. When you select this button, the four Static EP Encryption key fields are enabled on the right side of the screen. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 123 OK to close the General Setup screen. 3. Click the Advanced Authentication button. The Advanced Authentication Setup screen is displayed, as shown in Figure 4-55. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 124 • MAC RADIUS Authentication (with optional WARP support) These modules are enabled on a per-interface basis. This provides greater control for the network administrator. In essence, the WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 125 Note: The number of tabs displayed on this screen will vary depending on which Advanced Authentication options you have selected on the Advanced Authentication Setup screen. In the screenshot below, all Advanced Authentication options have been enabled. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 126 Figure 4-56 Authentication Module Setup Window 4. Click the MAC RADIUS tab. The MAC RADIUS Setup screen is displayed, as shown below. Figure 4-57 Authentication Module Setup Windows WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 127 Maximum Retries-- The number of times the access point will retry to connect with the server. The default value is 8(eight), and the range for retries is between 1(one) and 10(ten). Idle User Timeout (sec) WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 128 You will want to select this button if you wish to monitor the amount of traffic a client passes, or the amount of WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 129 Wireless Authentication and Registration Protocol (WARP). Advanced RADIUS Settings Button -- Clicking this button displays the Advanced RADIUS Settings screen, which enables you to define more advanced RADIUS parameters. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 130 Identifier, and is shown here for your convenience. Note: The NAS ID takes the place of the IP address that would normally be used to identify the AP. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 131 - without a .com extension). From the dropdown list, select the accounting or authorization feature for which to provide special handling of <RADIUS realms>. Options currently include: WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 132 Force -- Replaces any realm name supplied by the user with the selected realm name, or strips off the realm name supplied by the user in the case of none. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 133 Table 4-5 Type of Accounting/Authorization Realm Behavior(s) Available • Append ACL Radius Accounting • Append MAC RADIUS Accounting • Append MAC RADIUS Authentication WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 134 It also keeps track of the amount of time a client has been authenticated. It is commonly used by WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 135 IP address of that RADIUS server. Primary Server Accounting Port -- In the RADIUS dialog, enter the accounting port (default = 1812) for the RADIUS server (the host). WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 136 Secondary Server Accounting Port -- If you are using a second RADIUS server for network robustness, enter the accounting port (default = 1812) for that RADIUS server (the host). WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...

  • Page 137: P Rocedure 3-6

    MAC addresses. Note: This screen is only available when the Enable Bridging checkbox has been selected on the General Setup screen. Figure 4-60 Bridge Setup window WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 138 Tunnel button to define how all other non-listed protocols should be handled. Note: You can add new protocols to the list at any time by clicking the Edit button and checking additional protocol check boxes. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 139 Normally, however, you will select this option to permit Ethernet broadcasts. Note: This option applies to all Ethernet interfaces, and not simply to Ethernet traffic. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 140 Miscellaneous Statistics Gathering allows you to enable some miscellaneous advanced bridging features. Figure 4-62 Advanced Bridging Setup window WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 141 This feature is helpful on an ARP network because it will build a database of MAC layer address to IP address pairs. Note: The IP/ARP table is never timed out in this mode. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 142 Broadcast Storm Setup window Broadcast Address Threshold Enter the maximum number of broadcast messages per second that will be received from a single network device (identified by its MAC address). WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 143 (a tree), that provides the most efficient level of connectivity between every pair of physically connected Local Area Network segments. See Spanning Tree for more information about how the WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 144 Max Age -- The Max Age parameter identifies the maximum age of received Spanning Tree protocol information. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 145 Note: Recommended Value (15 seconds) A lower value may result in temporary loops as the Spanning Tree Algorithm converges. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 146 LAN segments, a low Path Cost for the wireless interface will prioritize this link as compared to other physical links, such as a leased line or low-bandwidth connections. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 147 IP address to this Secure Data Mode Station system. You can also manually specify an IP Address to set the IP Address for the base station yourself: WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 148 Bridge). Having two Ethernet interfaces with the same IP address is different than a standard IP host, but is appropriate for a Transparent Bridge. The Ethernet address of both interfaces is also the same. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 149 The base station is capable of sending messages using the local0-local7 facilities. Enter the correct syslog facility number (0-7) that corresponds to the local facility type on your syslog host. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 150 Network Supervisor knowing the right Read/Write password will be able to view or modify the SNMP parameters. Contact-- Optionally, enter the name or address of the Network Administrator. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 151 The interfaces via which the base station will be accessed. Click the Add button to display the Input SNMP Access List to add new IP addresses to the list. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 152 Interface-- The number of the interfaces over which packets on this route is sent. Select Button-- Clicking this button displays the IP Mask List screen, which allows you to select a particular IP mask. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 153 For direct routes, the interface to use when sending packets using this route. For indirect routes, the cost metric of using this route (used to determine the best route to use for a given packet). WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 154 Disable ARP Cache Aging-- Select this checkbox to stop the Address Resolution Protocol (ARP) table from removing entries after a certain WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 155 Secure Data Mode station, the Secure Data Mode station will send it directly to the target machine on the interface specified. Figure 4-69 Direct IP Route Setup window WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 156 Target Router to be further routed. Figure 4-70 Indirect IP Route Setup window WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 157 Advanced IP Routing Setup The More IP Router Setup screen is used to set up advanced IP router interfaces. Figure 4-71 Advanced IP Routing Setup window WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 158 Since Proxy ARP is enabled for interface 2, when the base station receives a broadcast ARP Request for 10.7.3.5, instead of passing the ARP on to 10.7.3.5, the base station will answer the request with WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 159 10.17.42.0 (mask 255.255.255.0) only if it comes from interface 1 10.20.24.0 (mask 255.255.248.0) only if it comes from interface 2 10.220.23.0 (mask 255.255.255.0) on any interface All other RIP routes will be ignored. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 160 Mode Station, it will offer the IP Starting Address to the first client, and increment the IP address offered to each consequent DHCP client until it reaches the IP Ending Address. IP Address leases must be renewed by WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 161 Address by DHCP, it will automatically determine the correct Domain Name information. You should, however, set up the IP Range (IP starting and ending addresses) and Gateway/Router Info section and select the correct interface. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 162 Incoming NAT, and vice versa. Incoming NAT only needs to be configured if servers in the local (private) address space need to connect with clients in the global (public) address space. Figure 4-73 Outgoing NAT Setup window WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 163 Therefore, NAT must be inhibited on the public interface, in this case the 802.11 interface. To do this, you would select 802.11 from the list, and click the OK button. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 164 Network Address Translation Setup screen is displayed, and any public and private IP address/port pairs that you have previously defined are displayed in the window. Figure 4-74 Incoming NAT Setup window WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 165 On the incoming NAT, there can only be one public address. You can map ports to specific local servers, but you must use the same public IP address, as configured on the incoming NAT screen. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 166 Local IP Address and Mask-- This column of the TCP/UDP Filter List displays the IP Address and Subnet Mask of the local sub network or machine that is being protected by this particular firewall filter. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 167 To set the TCP ports to which a given filter will be applied, select the filter you want to modify in the TCP/UDP Filter List and click the TCP Ports button. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 168 To set the UDP ports to which a given filter will be applied, select the filter you want to modify in the TCP/UDP Filter List and click the 'UDP Ports' button. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 169 Options button to display the following options. Alternately, you can simply double click the filter in the list to display the Firewall Setup Options screen. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 170 Secure Data Mode Station to respond to remote hosts attempting to connect to local machines with Destination Unreachable messages when the connection is denied by this security filter. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 171 Select “All Protocols" or "All Other Protocols" to set a default action when a packet is received from a protocol for which no action has been defined. Figure 4-83 IP Protocol Filter Setup window WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 172 Record All Packets-- Select this checkbox if you wish to record all packets. Dynamically Deny All Other Protocols-- Select this checkbox if you wish to dynamically deny all other protocols. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 173 Information Request packets sent to remote stations, and the remote stations' replies. Permit Outgoing Mask Request and Incoming Reply-- Permit local stations' Mask Request packets sent to remote stations, and the remote stations' replies. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 174 ICMP packets from coming in from 'remote' to 'local' interfaces. This allows you to deny diagnostic messages requested from external (un-trusted) sources in this filter from being sent to your local (private) machines. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 175 (private) network, and allow the local machine to reply to them. Permit Incoming Destination Unreachable-- Permit Destination Unreachable messages generated by remote computers to be sent to machines on the local network. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 176 Authentication class works much like a UNIX user group does; you can specify what types of packets a person in this authentication class can pass through the firewall when logged in with the approved username and password. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...
  • Page 177 Authentication class works much like a UNIX user group does; you can specify what types of packets a person in this authentication class can pass through the firewall when logged in with the approved username and password. WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005...

  • Page 178: Administration

    Administration The WLAN Cable Access Point 6220 CSU has the following management and operational features listed below: Saving Configuration Loading new Configuration Uploading Software Rebooting the remote station...

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