Alvarion BreezeMAX Si 4000 CPE User Manual Download | Manualshive

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Chapter 7 - Setting Advanced Parameters

Introduction

BreezeMAX Si 4000 CPE

70

User Manual

7.1

Introduction

This chapter describes how to configure advanced parameters, such as: Firewall
protection, authentication methods, security parameters, filters for blocking the
access of unauthorized clients, port forwarding and triggering, and also the
Dynamic DNS (Domain Name System) provider.

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Summary of Contents for BreezeMAX Si 4000 CPE

Page 1: ...User Manual Software Version 2 0 December 2010 P N 215801 BreezeMAX Si 4000 CPE zzAlvarion_ page...

Page 2: ...n Mode Added a note Static IP is not supported by 4Motion equipment Ver 1 0M August 2010 Advance menu item Changed to Advanced Ver 1 0M August 2010 Chapter 5 Title Changed to Configuring WiFi Paramete...

Page 3: ...010 General New CPE model BreezeMAX 4000 Si Premium New 3 3 3 4 GHz band Ver 2 0 October 2010 Setting Basic Parameters on page 44 Added Bridge IPCS and Bridge ETHCS support description Ver 2 0 Novembe...

Page 4: ...egistered trademark of the WiMAX Forum WiMAX the WiMAX Forum logo WiMAX Forum Certified andtheWiMAX Forum Certified logo are trademarks of the WiMAX Forum Statement of Conditions The information conta...

Page 5: ...AS IS basis Alvarion its affiliates or its licensors MAKE NO WARRANTIES WHATSOEVER WHETHER EXPRESS OR IMPLIED WITH RESPECT TO THE SOFTWARE AND THE ACCOMPANYING DOCUMENTATION ALVARION SPECIFICALLY DISC...

Page 6: ...CONNECTION WITH THE SALE INSTALLATION MAINTENANCE OR USE OF ITS PRODUCTS Limitation of Liability a ALVARION SHALL NOT BE LIABLE TO THE PURCHASER OR TO ANY THIRD PARTY FOR ANY LOSS OF PROFITS LOSS OF...

Page 7: ...for a class B digital device pursuant to part 15 of the FCC rules and to EN 301 489 1 rules These limits are designed to provide reasonable protection against harmful interference when the equipment i...

Page 8: ...or near a swimming pool Avoid using a telephone other than a cordless type during an electrical storm There may be a remote risk of electric shock from lightning Do not use the telephone to report a...

Page 9: ...Safety Information BreezeMAX Si 4000 CPE ix User Manual...

Page 10: ...without notice Corporate and individual names and data used in examples herein are fictitious unless otherwise noted Alvarion Ltd reserves the right to alter the equipment specifications and descript...

Page 11: ...PE xi User Manual the manufacturers Non compliance with such instructions may result in serious damage and or bodily harm and or void the user s authority to operate the equipment and or revoke the wa...

Page 12: ...guring Setup Parameters Describes how to configure general parameters of the BreezeMAX Si 4000 CPE Chapter 5 Configuring WiFi Parameters Describes how to configure authentication security and WiFi par...

Page 13: ...eral 8 1 3 2 WiMAX Radio 8 1 3 3 WiFi Radio 10 1 3 4 VoIP Specifications 11 1 3 5 Configuration and Management 12 1 3 6 Mechanical 12 1 3 7 Electrical 13 1 3 8 Environmental 13 1 3 9 Standards Complia...

Page 14: ...terface 33 3 2 2 Applying Changes and Using Help 34 3 3 Configuring the CPE Using the WiMAX Modem Application CD 36 3 4 Operation Verification 40 Chapter 4 Configuring Setup Parameters 41 4 1 Introduc...

Page 15: ...7 2 Authentication 71 7 3 Security 73 7 4 Firewall 75 7 5 MAC Filter 78 7 6 IP Filter 79 7 7 Port Forwarding Trigger 81 7 7 1 Port Forwarding 81 7 7 2 Port Trigger 82 7 8 Dynamic DNS 84 Chapter 8 Dis...

Page 16: ...Contents BreezeMAX Si 4000 CPE xvi User Manual Chapter 10 Troubleshooting 105 Glossary 110...

Page 17: ...1 Chapter Product Description zzAlvarion_ page...

Page 18: ...Chapter 1 Product Description BreezeMAX Si 4000 CPE 2 User Manual In This Chapter Introducing the BreezeMAX Si 4000 on page 3 Safety Information on page 7 Specifications on page 8...

Page 19: ...to wirelessly extend their services to customers in areas where the cost of cabling is prohibitive to deployment Remote residential areas can now benefit from high speed wireless Internet access Web...

Page 20: ...el Number Ports 2 5 GHz 4M CPE4000 Si 1D 1V 2 5 1 data port RJ 45 1 VoIP phone port RJ 11 4M CPE4000 Si 2D 2V WiFi 2 5 Premium model 2 data port RJ 45 2 VoIP phone port RJ 11 WiFi 802 11b g 3 3 3 6 GH...

Page 21: ...Wave2 Standard Compliant Air Interface WiFi for specific models Dynamic Host Configuration Protocol DHCP Built in web server for web based configuration Dual image firmware crash protection Password p...

Page 22: ...he BreezeMAX Si 4000 BreezeMAX Si 4000 CPE 6 User Manual Auto provisioning with remote firmware upgrade IEEE 802 3 IEEE 802 3u Gateway mode Bridge mode for Management and VoIP IP CS Bridge mode ETH CS...

Page 23: ...the device Do not use or store the device in dusty or dirty environment Do not attempt to open the enclosure There are no user serviceable parts in the device In case the device does not function pro...

Page 24: ...X Channel Step Size In 250 kHz steps POTS One RJ 11 Power supply Input Universal range 100 240VAC Output 12V 2A DC Frequency 50Hz to 60Hz Current 0 8A WiFi SoC 3 5 GHz only RT2070 2 4GHz RF signal chi...

Page 25: ...2 3 3 4 5 6 TPL Transmit Power Level 27 dBm typical maximum Transmit Power Dynamic Range 45 dB Channel Step Size In 250 kHz steps Synchronization Referenced to the WiMAX BTS Timing Module Frequency A...

Page 26: ...nna Gain Typical 5dBi Premium model 7dBi Antenna Connectors None Embedded IPEX NOTE This section only applies to the 4M CPE4000 Si 2D 2V WiFi 2 5 and 4M CPE4000 Si 1D 1V WiFi 3 5 models Table 1 4 WiFi...

Page 27: ...s Table 1 5 VoIP Specifications Item Description Voice Signalling Protocol SIP v2 RFC 3261 SDP RFC2327 RTP RTCP RFC 1889 RFC 1890 Voice Codecs g711 a law and u law g729a b g723 ILBC Voice Quality VAD...

Page 28: ...call blocking T 38 fax relay Dial plan Call forwarding No Answer Busy All Do not disturb Redial Redial on busy Automatic call return MWI and VMWI message waiting indication Table 1 6 Configuration and...

Page 29: ...maximum current 0 8A Output 12 VDC maximum current 2A Table 1 9 Environmental Specifications Item Details Operating Temperature 0 C to 40 C Storage Temperature 20 to 55 C Humidity Maximum 95 non cond...

Page 30: ...scription Specifications BreezeMAX Si 4000 CPE 14 User Manual Standards IEEE 802 16e 2005 WAVE 2 IEEE 802 3 2005 10BASE T and 100BASE TX IEEE 802 3u IEEE 802 11b and 802 11g Table 1 10 Standards Compl...

Page 31: ...2 Chapter CPE Installation zzAlvarion_ page...

Page 32: ...Chapter 2 CPE Installation BreezeMAX Si 4000 CPE 16 User Manual In This Chapter Installation Requirements on page 17 Installation Procedure on page 18 BreezeMAX Si 4000 Hardware Description on page 21...

Page 33: ...l 2 1 Installation Requirements This section describes how to install and connect the BreezeMAX Si 4000 2 1 1 Package Content The BreezeMAX Si 4000package includes the following components BreezeMAX S...

Page 34: ...re file cabinets or metal film anti glare windows within 5 feet 1 5m of the modem Position the unit at least 5 feet 1 5m away from any wireless device such as WiFi enabled laptop or computer WiFi rout...

Page 35: ...n to indicate valid Ethernet links 5 Align the unit or the fold out antennas so that you receive the strongest signal by monitoring the WiMAX LEDs on the front panel of the unit Functioning as a gatew...

Page 36: ...insert it to the CDROM drive run the CPEAutoConfigTool exe program and follow the procedure described in Configuring the CPE Using the WiMAX Modem Application CD on page 36 8 Use your PC s web browser...

Page 37: ...of system status indicators that simplifies installation and WiMAX network troubleshooting The figure below shows the BreezeMAX Si 4000 s LED locations The LEDs functionality is described in Table 2 1...

Page 38: ...l Figure 2 1 BreezeMAX Si 4000 and BreezeMAX Si 4000 Premium Front Panel Power LED 1 WiFi Unused LED 3 WiMAX Signal Strength LEDs 4 7 Ethernet LED 2 WiFi LED 3 in 3 5 GHz models unused LED in 2 5 GHz...

Page 39: ...een On The greater the number of WiMAX link status lights are on the better the performance WiMAX Link Status 6 Green On WiMAX Link Status 7 Green On Table 2 2 LEDs Status Indications 3 5 GHz Units LE...

Page 40: ...failure On Power on Blinking The modem is booting blinking 25 seconds The modem is not functional or is being remotely managed e g software is being upgraded or application is loaded Stops blinking w...

Page 41: ...Description Ethernet network port 10BASE T 100B ASE TX RJ 45 port Connects directly to the PC can also be connected to an Ethernet switch or hub to support more users and provide a data link to the l...

Page 42: ...cription BreezeMAX Si 4000 CPE 26 User Manual Figure 2 2 BreezeMAX Si 4000 and BreezeMAX Si 4000 Premium Rear Panel RJ 11 VoIP Phone Port Power Socket RJ 45 LAN Port Reset button RJ 11 VoIP Phone Port...

Page 43: ...the unit Some user configured parameters will be lost and must be reconfigured 2 3 4 WiMAX Antennas Two WiMAX antennas are included with the BreezeMAX Si 4000 for WiMAX communications The BreezeMAX Si...

Page 44: ...includes internal antennas for local wireless connections to PCs To connect your PC using WiFi click the WiFi icon lower right corner of PC Click Find WLAN and select the name of WiFi network Click Co...

Page 45: ...3 Chapter Commissioning zzAlvarion_ page...

Page 46: ...Si 4000 CPE 30 User Manual In This Chapter Introduction on page 31 Configuring the CPE Using the Web Management Interface on page 33 Configuring the CPE Using the WiMAX Modem Application CD on page 36...

Page 47: ...agement interface accessed using a PC Notebook with a web browser see Configuring the CPE Using the Web Management Interface on page 33 An automatic configuration tool provided on a CDROM for the subs...

Page 48: ...CPE 32 User Manual Telephony SIP Server phone number authentication enable the phone Disabled Optional VoIP is disabled by default and should be enabled by the operator WiFi Enabled Enabled by default...

Page 49: ...o automatically get an IP address from the unit If the unit s DHCP server is disabled you can set in the PC the IP address netmask and gateway manually using the following parameters IP address 192 16...

Page 50: ...o the same menu item The displayed pages may vary depending on user privileges Use the Main Menu items and the specific sub items in the menu bar at the top of the window to configure settings for the...

Page 51: ...put data in the specific window Reboot Click this button to restart your unit The device returns to the last applied settings Reconnect Click this button to attempt reconnecting the device to the Base...

Page 52: ...tool delivered on a CDROM with the unit to automatically configure a CPE This procedure is usually performed by the subscriber 1 From the CDROM supplied with the unit run the CPE Auto Configuration To...

Page 53: ...nstall window is displayed 4 Click Install If your CPE is powered up click OK for performing system reboot If not power on the CPE and click OK The tool starts the auto configuration process of the un...

Page 54: ...on CD BreezeMAX Si 4000 CPE 38 User Manual 5 When the installation is complete an Installation Success window is displayed Click OK 6 Click Finish The CPE is now configured with the parameters from th...

Page 55: ...Chapter 3 Commissioning Configuring the CPE Using the WiMAX Modem Application CD BreezeMAX Si 4000 CPE 39 User Manual Figure 3 8 Installation Complete...

Page 56: ...operation of the unit examine the LED indicators on the front panel To verify data connectivity from the end user s PC or from a portable PC connected to the unit ping a known device in the network or...

Page 57: ...4 Chapter Configuring Setup Parameters zzAlvario...

Page 58: ...Si 4000 CPE 42 User Manual In This Chapter Introduction on page 43 Setting Basic Parameters on page 44 Setting Password on page 47 Setting Device Time Zone on page 48 Setting Device Name on page 50 Re...

Page 59: ...the Setup pages the following message is displayed after clicking Apply Configuration setting After the configuration is applied a Prepare for Reboot message is displayed The system performs a reboot...

Page 60: ...lowing table describes the configurable Basic parameters IMPORTANT Do not change parameters in this page unless specifically instructed by your service provider Doing so may cause your internet VoIP c...

Page 61: ...has a different IP than data connection This IP is used for communication with the management server for web access from WAN ping etc Router mode forwards packets based on Layer 3 IP addresses Router...

Page 62: ...ect this option new menu items are displayed for configuration WAN IP Address WAN Subnet Mask WAN Gateway Address DNS1 Domain Name System DNS2 DHCP DHCP Static WAN MTU WAN MTU Sets the WAN maximum tra...

Page 63: ...password up to 19 characters 2 Enter the new password again for verification 3 Click Apply NOTE It is strongly recommended that you configure your own password If a password is not configured the man...

Page 64: ...also be passed to telephone handsets connected to the unit s phone line connections depending on the capabilities of your phone The Device Time page displays the following information Current Local Ti...

Page 65: ...tting Device Time Zone BreezeMAX Si 4000 CPE 49 User Manual Auto Adjust for Daylight Saving Time Select this check box to set the daylight saving time if the unit operates in a region that observes da...

Page 66: ...ne will simplify access to the unit s GUI Setup menu You can type the device name followed by a dot in the address bar of the Web browser to login from LAN for example http mycpe The Device Name page...

Page 67: ...hin a short period of time by the network once the device is operational after the reboot However you will not be able to make and receive calls until the voice line LED is lit on the front panel You...

Page 68: ...5 Chapter Configuring WiFi Parameters zzAlvarion_ page...

Page 69: ...Chapter 5 Configuring WiFi Parameters BreezeMAX Si 4000 CPE 53 User Manual In this chapter Introduction on page 54 WiFi Configuration on page 55...

Page 70: ...oduction The BreezeMAX Si 4000 model for 3 5 GHz WiMAX band and the BreezeMAX Si 4000 premium model include an IEEE 802 11g and IEEE 802 11b radio interface for local Wi Fi communications The Wi Fi se...

Page 71: ...p pages include configuration options for the radio signal characteristics and Wi Fi security 5 2 1 Wireless Settings The Wireless Settings page includes the following parameters Enable WiFi Interface...

Page 72: ...able RTS Threshold Sets the packet size threshold at which a Request to Send RTS signal must be sent to a receiving station prior to sending the data frame The unit sends RTS frames to a receiving sta...

Page 73: ...receiving stations that a frame is arriving This provides time for the receiving station to synchronize to the incoming data stream This parameter sets the length of the signal preamble that is used a...

Page 74: ...ed users Refer to the next sections for details on various authentication options Default mode is Open System Encryption Data passing between the unit and clients must be protected from interception a...

Page 75: ...can set the following Rekey Interval Time in seconds between renewals of authentication key Default 3600 RADIUS Server Remote Authentication Dial in User Service RADIUS authentication server RADIUS P...

Page 76: ...e selected key is used for authentication and encryption on the Wi Fi interface Enter key values that match the key type and length settings Default Hex 128 bits no preset value Key Type Specifies key...

Page 77: ...to a common Wi Fi interface WPA PSK is an authentication mechanism in which users provide credentials to verify that they should be allowed access to a network This requires a single password entered...

Page 78: ...6 Chapter Configuring Local Address Parameters zzAlvarion_ page...

Page 79: ...Chapter 6 Configuring Local Address Parameters BreezeMAX Si 4000 CPE 63 User Manual In this chapter Introduction on page 64 DHCP Server on page 65 Lease Status on page 66 Lease Reservation on page 67...

Page 80: ...4 User Manual 6 1 Introduction This chapter describes how to configure internal unit parameters such as DHCP server details and leasing parameters NOTE Any changes to this section should only be carri...

Page 81: ...ly assign a leased IP address to clients that connect to the device from the local network This option is applicable to IP CS modes only For Bridge IPCS and Bridge ETHCS this option is disabled DHCP S...

Page 82: ...us The Lease Status page displays information regarding the leased IP address es Client Host PC Name Host PC MAC Address IP Address Remaining Lease Duration seconds Click Refresh to display the update...

Page 83: ...e connected to the Ethernet ports and WiFi access point You can also add delete or modify the reservation settings Select Choose an IP to delete Host Name Enter a name to the host MAC Address Add a de...

Page 84: ...7 Chapter Setting Advanced Parameters zzAlvarion_ page...

Page 85: ...ezeMAX Si 4000 CPE 69 User Manual In this chapter Introduction on page 70 Authentication on page 71 Security on page 73 Firewall on page 75 MAC Filter on page 78 IP Filter on page 79 Port Forwarding T...

Page 86: ...7 1 Introduction This chapter describes how to configure advanced parameters such as Firewall protection authentication methods security parameters filters for blocking the access of unauthorized clie...

Page 87: ...tication page allows you to set the parameters for the authentication method in order to gain access to the WiMAX network The Authentication page includes the following parameters IMPORTANT Do not cha...

Page 88: ...version of the Challenge handshake authentication protocol version 2 EAP TLS EAP Transport Layer Security available only if enabled by the operator When Authentication is enabled set the following par...

Page 89: ...des the following parameters Enable Web login from Internet Select this check box to access the device from other networks When web login is enabled and a port is defined you can access the device fro...

Page 90: ...r the destination address and click Ping The response will be displayed in the area below the Ping button To access from WAN use https CPE_WAN_IP_Address 8080 NOTE The Enable Ping From Internet option...

Page 91: ...ommon hacker attacks However for applications that require unrestricted access to the Internet you can configure a specific client server as a demilitarized zone DMZ The following configuration parame...

Page 92: ...twork from a public one in order to prevent outside access to private data The DMZ forwards the network traffic to specific hosts based on the protocol and port number UPnP Enable UPnP IGD Select this...

Page 93: ...Si 4000 CPE 77 User Manual network that is not based on these protocols by marking the packet with an address suited to the foreign network Enable L2TP pass through Layer 2 Tunneling Protocol an open...

Page 94: ...to the filtered group or delete them and also enable or disable filtering at different times The following configuration parameters are available Select Select this check box to add this row to delete...

Page 95: ...ddresses to be filtered out by the security system You can add addresses to the filtered group or delete them You can also enable or disable filtering at different times The following configuration pa...

Page 96: ...Si 4000 CPE 80 User Manual Enabled Select this check box to enable default or disable filtering for the specific table entry Use the Add or Del buttons to add the address to the filtered group or cle...

Page 97: ...dress port number to an internal IP address port number Port Forwarding rules are created per port The Port Forwarding page enables managing and setup of the rules for Port Forwarding The following co...

Page 98: ...t forwarding outbound traffic on predefined ports triggering ports causes inbound traffic to specific incoming ports to be dynamically forwarded to the initiating host while the outbound ports are in...

Page 99: ...Application Name Enter a name for identifying this port trigger protocol Triggered Range Enter the trigger range 1 65535 Forwarded Range Enter the forwarded range 1 65535 Enabled Select this check bo...

Page 100: ...NS and selecting the service provider The Dynamic DNS page includes the following parameters Enable DDNS Select this check box if the unit has a non static IP address to keep the domain name associate...

Page 101: ...8 Chapter Displaying Status Details zzAlvarion_ page...

Page 102: ...ils BreezeMAX Si 4000 CPE 86 User Manual In this chapter Introduction on page 87 Device Status on page 88 WiMAX Status on page 90 Software Status on page 95 Telephony Status on page 96 Certificate Sta...

Page 103: ...chapter describes how to view and understand the various parameters that are currently set on your unit The Status menu item includes pages containing information on all the features of the device suc...

Page 104: ...atus information periodically The following information is displayed Figure 8 1 Status Device Status Table 8 1 Device Status Parameters Item Description Operation Mode The mode for forwarding data pac...

Page 105: ...mode IP Default Gateway acquired on the WAN interface is displayed Otherwise it is 0 0 0 0 IP Default Connection IP is connected to the network On Off Firewall Firewall enabled or disabled on off as s...

Page 106: ...User Manual 8 3 WiMAX Status The WiMAX Status displays a summary of the WiMAX network connection parameters Click Refresh to display the current WiMAX connection status Click Auto to update the statu...

Page 107: ...p track of its location BSID Base Station ID Depends on the BS to which the unit is connected CINR Carrier to Interference plus Noise Ratio in decibels dB a measurement of signal effectiveness A great...

Page 108: ...dress RSSI Currently received signal strength indication 35 to 100 dBm Temperature Unit s temperature Overheat Indication of temperature higher than 40 TxPwr Current uplink transmit power Min Tx Power...

Page 109: ...bytes Total number of bytes sent on Extended Real time Polling Service data packets RX bytes Total of downlink transmitted bytes WiMAX PHY DL Mode Downlink connection mode SISO MIMO MiMO A MIMO B DL m...

Page 110: ...AX Status BreezeMAX Si 4000 CPE 94 User Manual DropPackets Tx only Number of packets that were dropped DropBytes Tx only Number of packets that were dropped Table 8 2 WiMAX System Parameters Continued...

Page 111: ...ic installation removal of packages on a running system To install an IPKG Click Browse to load and install an Itsy Package Management System and click Upgrade To remove an IPKG Click Remove next to t...

Page 112: ...h modify and terminate multimedia sessions such as Internet telephony calls VOIP Line 1 and Line 2 Status Registered or De registered in the SIP server This information should be confirmed by observin...

Page 113: ...rmation such as serial number issuer of certificate type and expiration date Root CA certificates can be added or deleted using this page The page displays the following information in a table Certifi...

Page 114: ...appears in this column To add a certificate click Browse and select the file to load Click Import to add the certificate to the list To remove an editable certificate click Remove next to the certifi...

Page 115: ...nual 8 7 About This page displays the current information about the unit The information is set by the manufacturer as the factory defaults The information includes Service Provider Product Name WAN M...

Page 116: ...9 Chapter Configuring Telephony Parameters zzAlvarion_ page...

Page 117: ...Chapter 9 Configuring Telephony Parameters BreezeMAX Si 4000 CPE 101 User Manual In this chapter VoIP Parameters on page 102...

Page 118: ...vider that includes one or two voice lines Setup of the modem is automatic and you will not need to make any changes to this page to have your voice service enabled however you may want to change some...

Page 119: ...The VoIP page includes the following parameters User Name The SIP Session Initiation Protocol User name Its format depends on the Sip Server Password and Confirm Password The SIP user Password User A...

Page 120: ...he network Call Waiting Enables suspending the current telephone call and switch to a new incoming call Default Enabled Call Waiting Timeout enter a number of seconds after which the call waiting is t...

Page 121: ...10 Chapter Troubleshooting zzAlvarion_ page...

Page 122: ...Chapter 10 Troubleshooting BreezeMAX Si 4000 CPE 106 User Manual In This Chapter This chapter provides a lists of things to check in case of problems before contacting local Customer Support...

Page 123: ...the unit s IP address to verify that the entire network path between the two devices is functioning correctly Check that the management station has a valid network connection and that the Ethernet po...

Page 124: ...rvice provider for service coverage information WiMAX Signal Strength LEDs are Off Change the location of the unit to a nearby window or an upper floor if possible Keep away from metal objects Check w...

Page 125: ...X Si 4000 and BreezeMAX Si 4000 Premium model Front Panel Power LED 1 WiFi Unused LED 3 WiMAX Signal Strength LEDs 4 7 Ethernet LED 2 WiFi LED 3 in 3 5 GHz models unused LED in 2 5 GHz models VoIP LED...

Page 126: ...Glossary zzAlvarion_ page...

Page 127: ...node to select its optimum operational mode speed and duplex mode based on the capabilities of the node to which it is connected Best Effort BE One of the five QoS service types defined in the IEEE 80...

Page 128: ...vides the capability for a networked device to notify a domain name server to change the active DNS configuration of its configured hostnames addresses or other information stored in DNS in real time...

Page 129: ...tocol that extends TLS File Transfer Protocol FTP File Transfer Protocol A TCP IP protocol used for file transfer Hypertext Transfer Protocol HTTP Hypertext Transfer Protocol HTTP is a standard used t...

Page 130: ...VPNs Media Access Control MAC Media Access Control The lower of the two sub layers of the data link layer defined by the IEEE The MAC sub layer handles access to shared media such as whether token pa...

Page 131: ...nization DS Working Group Orthogonal Frequency Division Multiplexing OFDM Orthogonal Frequency Division Multiplexing OFDM allows multiple users to transmit in an allocated band by dividing the bandwid...

Page 132: ...contending for the medium may not be aware of each other RTS CTS mechanism can solve this Hidden Node Problem If the packet size is smaller than the preset RTS Threshold size the RTS CTS mechanism wi...

Page 133: ...on key TR 069 Technical Report 069 A DSL Forum technical specification entitled CPE WAN Management Protocol CWMP It defines an application layer protocol for remote management of end user devices It p...

Page 134: ...that it is not transmitted over the network Wide Area Network WAN Communications network intended to connect between remote local area networks Wired Equivalent Privacy WEP Wired Equivalent Privacy W...

Page 135: ...eless network s privacy and enterprise security There are two basic forms of WPA WPA Enterprise requires a Radius server WPA Personal also known as WPA PSK Virtual Private Network VPN A private commun...

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