ZyXEL Communications 2000W manual PPPoE in Action, Benefits of PPPoE, Traditional Dial-up Scenario

Page 117

Prestige 2000W_V2 User’s Guide

Appendix C

PPPoE

PPPoE in Action

An ADSL modem bridges a PPP session over Ethernet (PPP over Ethernet, RFC 2516) from your computer to an ATM PVC (Permanent Virtual Circuit) which connects to a DSL Access Concentrator where the PPP session terminates (see Figure 38 on page 118). One PVC can support any number of PPP sessions from your LAN. PPPoE provides access control and billing functionality in a manner similar to dial-up services using PPP.

Benefits of PPPoE

PPPoE offers the following benefits:

It provides you with a familiar dial-up networking (DUN) user interface.

It lessens the burden on the carriers of provisioning virtual circuits all the way to the ISP on multiple switches for thousands of users. For GSTN (PSTN and ISDN), the switching fabric is already in place.

It allows the ISP to use the existing dial-up model to authenticate and (optionally) to provide differentiated services.

Traditional Dial-up Scenario

The following diagram depicts a typical hardware configuration where the computers use traditional dial-up networking.

Appendix C PPPoE

117

Image 117

Contents Prestige 2000WV2 Page Disclaimer CopyrightTrademarks Prestige 2000WV2 User’s GuideCertifications Federal Communications Commission FCC Interference StatementSafety Warnings Safety WarningsZyXEL Limited Warranty ZyXEL Limited WarrantyCustomer Support Customer SupportUnited Kingdom Table of Contents Chapter Network Settings Chapter Information Menus Appendix a Product Specifications 107 Appendix B Appendix C Prestige 2000WV2 User’s Guide Table of Contents List of Figures List of FiguresPeer-to-Peer Communication in an Ad-hoc Network 119 List of Tables List of TablesEight Subnets About Your Prestige PrefaceRelated Documentation Syntax ConventionsGraphics Icons Key User Guide FeedbackGetting To Know Your Prestige FeaturesPlace a Call via SIP Proxy Server SIP Call Server ApplicationsDirect IP to IP Calling Ad-Hoc Wireless IntercomPrestige Hardware Descriptions Getting to Know the Prestige HardwarePrestige 2000WV2 User’s Guide Prestige 2000WV2 User’s Guide Getting To Know Your Prestige Using the LCD Screen Menus Using the LCD Screen MenusLCD Main Screen Navigating the LCD Screen Menus Text InputPrestige 2000WV2 User’s Guide LCD Main Screen Press the OK key when you are done Prestige 2000WV2 User’s Guide Using the LCD Screen Menus Wireless LAN Setup Menus Wireless LAN Setup MenusSite Survey Select Site SurveySelect Wireless in the first menu screen use the up or down Network ModeSsid Arrow to highlight it and then press the Left keyChannel Select Network ModeWEP Encryption RateSelect Key Select Authentication TypeProfiles WEP for encryption, not for authenticationCreate Prestige 2000WV2 User’s Guide Wireless LAN Setup Menus Network Settings Network SettingsFixed IP Select IP AddressSelect Subnet Mask DhcpPPPoE Select PPPoE Pwd Select PPPoE NameSIP Settings SIP SettingsRegistrar Server Select Registrar Select Registrar IPOutbound Proxy Server Select Expiry TimeSelect Outbound Proxy Select Proxy Server Proxy ServerSelect User Account Select Phone Number User AccountSelect User Pwd Prestige 2000WV2 User’s Guide SIP Settings Calling Methods PhonebookAdding a Phonebook Entry PhonebookSelect Add Entry Editing Phonebook EntriesErasing Phonebook Entries Select Speed Dial Speed Dial Phonebook EntriesCall History Missed CallsCall History Received Calls Erasing Calls Dialed CallsSelect Erase Calls Miscellaneous Settings Setting the Ring MelodyMiscellaneous Settings Setting the Vibration Mode Adjusting the Ring VolumeSelect Ringer Volume Setting the Date Setting the TimeSelect Edit Time Select Edit DateSetting the Key Lock Setting the BannerSelect Settings in the first menu screen Press the Left key to save your settingSelect Don’t Disturb Setting the Don’t DisturbPrestige 2000WV2 User’s Guide Miscellaneous Settings Displaying Information Information MenusSelect MAC Address Information Menus11Select Firmware Ver Using Speed Dial to Dial a Telephone Number Using the Phonebook to Dial a Telephone NumberPrestige Usage Dialing a Telephone NumberChanging the Volume Answering a CallRejecting a Call Introduction to the Web Configurator Using the Web Configurator ScreensLogin Using the Web Configurator ScreensLogin Screen Navigating the Prestige Web ConfiguratorSIP Web Configurator User Screens SummaryNAT Trvsl Phone BookWeb Configurator Administrator Screens Summary PhoneTOS/DS User Web Configurator Screens User Web Configurator ScreensDevice Information IP Address AssignmentMAC Address IP Address and Subnet MaskDNS Server Network Configuration StaticNetwork Configuration Dhcp CancelApply Dhcp PPPoE Network Configuration Network Configuration PPPoE12.9.1 SIP VoIP IntroductionSIP Identities PPPoESIP Client Server SIP Call ProgressionSIP Call Progression InviteSIP Proxy Server 12.9.1.4 RTP SIP ConfigurationSIP Proxy 12.11 NATNAT Types NAT ExampleFull Cone Restricted Cone Port Restricted Symmetric Full Cone NATFull Cone NAT Example Restricted Cone NATSymmetric NAT Port Restricted Cone NATNAT and SIP SIP ALGFake WAN Address on SIP and RTP NAT Traversal Configuration StunOutbound Proxy ALG NAT Traversal ConfigurationPhone Book Phone Book ConfigurationCalling Methods StunDelete PhonebookWireless Settings Wireless IntroductionWEP Encryption Prestige 2000WV2 User’s Guide PhonebookWEP Ssid12.19 S/W Update SystemSubmit Zip files before you can upload them W UpdateAdministrator Web Configurator Screens Administrator Web Configurator ScreensType the SIP proxy server settings SIP Proxy ConfigurationSIP URI SIP ConfigurationPrestige 2000WV2 User’s Guide IP Configuration Voice Coding13.3.1 G.711 Pstn Call Setup Signaling Phone Setting13.3.2 G.729 100 Administrator Web Configurator Screens Administrator Web Configurator Screens 101 Quality of Service102 Administrator Web Configurator Screens 13.8 ToSIntroduction to DiffServ Troubleshooting Problems Starting Up the PrestigeProblems Using the Keypad Problems Accessing the Prestige Troubleshooting Accessing the Prestige104 Troubleshooting Restoring the Factory Default Settings Error Message TroubleshootingError Message Troubleshooting Troubleshooting 105Prestige 2000WV2 User’s Guide 106 Troubleshooting Hardware Specifications Specification TablesAppendix a Product Specifications 107 MIC108 Appendix a Product Specifications Prestige 2000WV2 User’s Guide Firmware FeaturesHTTP, TFTP, TCP, UDP, DNS, ARP, Icmp EssidIP Classes IP AddressingClasses of IP Addresses Appendix B IP Subnetting 109Subnetting Subnet MasksAllowed IP Address Range By Class Natural MasksAlternative Subnet Mask Notation Example Two SubnetsTwo Subnets Example Appendix B IP Subnetting 111112 Appendix B IP Subnetting SubnetAppendix B IP Subnetting 113 Example Four SubnetsEight Subnets Example Eight SubnetsClass C Subnet Planning 114 Appendix B IP SubnettingSubnetting With Class a and Class B Networks Class B Subnet PlanningAppendix B IP Subnetting 115 Prestige 2000WV2 User’s Guide 116 Appendix B IP Subnetting Benefits of PPPoE PPPoE in ActionTraditional Dial-up Scenario Appendix C PPPoE 117Prestige as a PPPoE Client How PPPoE WorksWireless LAN Topologies Ad-hoc Wireless LAN ConfigurationAppendix D Wireless LANs 119 120 Appendix D Wireless LANs Basic Service SetInfrastructure Wlan Appendix D Wireless LANs 121Prestige 2000WV2 User’s Guide 122 Appendix D Wireless LANs Numerics IndexIndex 123 Dtmf711 22, 98 729 22, 99 124 IndexIndex 125 SIP ALG 126 IndexWlan Index 127

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