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ZyXEL Communications 792H manual Advanced WAN Backup

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Prestige 792H G.SHDSL Router

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ZyXEL Communications 792H manual Advanced WAN Backup

Contents

Prestige 792H Page Disclaimer TrademarksPage Certifications Page Information for Canadian Users Page ZyXEL Limited Warranty Safety WarningsPage Customer Support Page Table of Contents LAN Setup WAN SetupDynamic DNS Setup Content Filtering 12-1 Firewall ConfigurationCustomized Services 11-1 Creating Custom Rules 10-114-1 15-1WAN Setup 20-4 Maintenance 17-1General Setup 19-1 Dial Backup 21-124-1 22-123-1 25-1System Maintenance 30-1 Filter Configuration 28-1Snmp Configuration 29-1 Firmware and Configuration File Maintenance 31-1Call Scheduling 34-1 System Maintenance and Information 32-1IP Policy Routing 33-1 Remote Management 35-1SA Monitor 37-1 VPN/IPSec Setup 36-1Troubleshooting 39-1 Internal Sptgen 38-1List of Figures Xviii List of Figures List of Figures Xix Diagnostic General 17-8 List of Figures Xxi Xxii List of Figures List of Figures Xxiii Xxiv List of Figures List of Figures Xxv Page List of Tables List of Tables Xxvii Xxviii List of Tables 28-15 Xxx List of Tables Page Related Documentation Syntax ConventionsXxxii Preface Introduction to DSL Introduction to G.SHDSLPart Page Getting to Know Your G.SHDSL Router Features of the PrestigeSymmetrical High Speed Internet Access ScalabilityTraffic Redirect IPSec VPN CapabilityFirewall Snmp Simple Network Management Protocol versions 1IP Policy Routing SUA for Single-IP Address Internet AccessIP Alias 10/100MB Auto-negotiation Ethernet/Fast Ethernet InterfaceUniversal Plug and Play UPnP Upgrade Firmware via LANEase of Installation Full Network ManagementApplication Scenarios for the Prestige Internet AccessLAN-to-LAN Application Web Configurator Overview Introducing the Web ConfiguratorAccessing the Prestige Web Configurator Navigating the Prestige Web Configurator Password ScreenConfiguring Password Resetting the Prestige Label DescriptionUsing The Reset Button Uploading a Configuration File Via Console PortPage WAN Setup Wizard SetupWizard Setup Introduction Service TypeTransfer Rates Standard ModeEncapsulation PPP over Ethernet4 RFC MultiplexingPPPoA VC-based MultiplexingWizard Setup Configuration First Screen VPI and VCIServer see Service Type Rate and the same Transfer Min RateVPI IP Address and Subnet MaskPPPoE VCIIP Address Assignment IP Assignment with PPPoA or PPPoE EncapsulationIP Assignment with Enet Encap Encapsulation IP Assignment with RFC 1483 EncapsulationPrivate IP Addresses Nailed-Up Connection PPP Wizard Setup Configuration ISP Parameters10 NAT Internet Connection with PPPoA Internet 11.2 RFC Internet Connection with RFCInternet Connection with Enet Encap Enet EncapPPPoE Internet Connection with PPPoEDhcp Setup Wizard Setup Configuration LAN Configuration IP Pool SetupWizard Screen LAN COnfiguration Wizard LAN ConfigurationWizard Setup Configuration Connection Tests Test Your Internet Connection Wizard Screen Connection TestsPage DNS Server Address LAN SetupLAN Overview LANs, WANs and the PrestigeDNS Server Address Assignment LAN TCP/IPIP Address and Subnet Mask Factory LAN DefaultsRIP Setup MulticastConfiguring LAN LANTCP/IP LAN WAN Overview WAN SetupMetric PPPoE Encapsulation Traffic Shaping Configuring WAN Setup Example of Traffic ShapingWAN Setup ATM traffic. Enter the VCI assigned to you For remote node setup, enter the IP address in the same Subnet as the remote nodeTraffic Redirect Encap in the Encapsulation fieldConfiguring WAN Backup Traffic Redirect LAN SetupWAN Backup Cost WAN , Traffic Redirect , Dial Backup Outgoing Authentication Protocol38400 , 57600 , 115200 or 230400 bps Configuring Advanced WAN Backup Advanced WAN Backup 57600 , 115200 or 230400 bps Choose RIP-1,RIP-2B or RIP-2M Choose Both, In Only or Out OnlyAT Command Strings Connection settingsConfiguring Advanced Modem Setup DTR SignalResponse Strings Advanced Modem Setup Clid NmbrPart Page NAT Definitions Network Address Translation NATNAT Overview What NAT DoesHow NAT Works NAT ApplicationNAT Mapping Types NAT Application With IP AliasNAT Mapping Types SUA Single User Account Versus NATMapping types Type IP Mapping SMT AbbreviationPort Forwarding Services and Port Numbers SUA ServerServices Port Number Configuring Servers Behind SUA ExampleServices and Port Numbers EchoSelecting the NAT Mode Multiple Servers Behind NAT ExampleConfiguring SUA Server Edit SUA/NAT Server Set Configuring Address Mapping Address Mapping Rules Many-to-One and Server mapping typesEditing an Address Mapping Rule Address Mapping Rule EditAddress Mapping Rules screen Page Dynamic DNS Dynamic DNS SetupConfiguring Dynamic DNS Dyndns WildcardDdns Firewall and Content Filter Page Types of Firewalls FirewallsFirewall Overview Packet Filtering FirewallsIntroduction to ZyXEL’s Firewall Stateful Inspection FirewallsDenial of Service BasicsTypes of DoS Attacks Common IP PortsThree-Way Handshake Icmp Commands That Trigger Alerts Stateful Inspection Legal NetBIOS CommandsLegal Smtp Commands Message Request Positive Negative Retarget KeepaliveStateful Inspection Process Stateful InspectionStateful Inspection and the Prestige TCP Security 4 UDP/ICMP SecurityUpper Layer Protocols Guidelines for Enhancing Security with Your FirewallSecurity In General Packet Filtering Vs Firewall Packet FilteringWhen To Use Filtering FirewallPrestige 792H G.SHDSL Router Remote Management and the Firewall Firewall ConfigurationEnabling the Firewall Configuring E-mail Alerts E-mailDaily Weekly Hourly When Log is Full None Attack AlertThreshold Values AlertsHalf-Open Sessions TCP Maximum Incomplete and Blocking Time Alert Following table describes the labels in this screen256 Page Creating Custom Rules Rule ChecklistStudy these points carefully before configuring rules Rules OverviewSecurity Ramifications Key Fields For Configuring RulesBlock means the firewall silently discards the packet Connection Direction LAN to WAN RulesLogs WAN to LAN RulesFirewall Logs Label Description ExampleRule Summary Block, Forward or NoneFirewall Rules Summary First Screen Predefined Services Predefined Services Service DescriptionNNTPTCP119 RLOGINTCP513NEWSTCP144 PINGICMP0Creating/Editing Firewall Rules Creating/Editing a Firewall Rule Source and Destination Addresses Timeout Range Address , Subnet Address and Any AddressFactors Influencing Choices for Timeout Values Timeout10-16 Creating Custom Rules Customized Services Introduction to Customized ServicesCreating/Editing a Customized Service Creating/Editing a Customized ServiceExample Custom Service Firewall Rule Click Rule Summary under Internet to Local Network SetConfigure Source IP Example Syslog Rule Configuration Example Rule Summary Example Content Filtering Overview Content FilteringConfiguring Keyword Blocking Content Filter Keyword Configuring the Schedule Content Filter ScheduleConfiguring Trusted Computers Content Filter TrustedConfiguring Logs Content Filter LogsBLOCKJAVAAPPLET, BLOCKCOOKIE, Blockproxy BLOCKUNTRUSTDOMAIN, BLOCKKEYWORD, BlockactivexBlockcybernot VPN/IPSec Page IPSec Introduction to IPSecVPN Overview Security AssociationVPN Applications Data Origin AuthenticationData Integrity IPSec Architecture VPN ApplicationIPSec Algorithms Key ManagementTunnel Mode Transport ModeIPSec and NAT VPN and NAT Security Protocol Mode NATESP 14.1 VPN/IPSec Overview AH Authentication Header ProtocolVPN Screens IPSec AlgorithmsDynamic Secure Gateway Address My IP AddressSecure Gateway Address AH and ESPVPN Summary Screen IPSec Summary FieldsVPN Summary ID Type and Content Keep AlivePeer ID Type and Content Fields ID Type and Content ExamplesLocal ID Type and Content Fields Local ID TYPE= CONTENT=Pre-Shared Key Matching ID Type and Content Configuration ExampleMismatching ID Type and Content Configuration Example Editing VPN PoliciesVPN IKE VPN Screens 14-9 14-10 VPN Screens VPN Screens 14-11 Authentication Algorithm fields described next IKEIKE Phases Two Phases to Set Up the IPSec SANegotiation Mode Diffie-Hellman DH Key Groups14.11Configuring Advanced IKE Settings Perfect Forward Secrecy PFSVPN IKE Advanced Label Description VPN IKEVPN Screens 14-17 14-18 VPN Screens 14.12Manual Key Setup Security Parameter Index SPI14.13Configuring Manual Key VPN Manual KeySPI 14-22 VPN Screens VPN Screens 14-23 14.14Viewing SA Monitor SA Monitor 10 SA Monitor14.15Configuring Global Setting 11 Global Setting14.16Configuring IPSec Logs 12 VPN Logs13 Sample IKE Key Exchange Logs LOG Message Description14 Sample IPSec Logs During Packet Transmission Request conflict with rule #d15 RFC-2408 Isakmp Payload Types LOG Display Payload TypeTelecommuters Sharing One VPN Rule Example 14.17Telecommuter VPN/IPSec ExamplesHeadquarters Telecommuters Telecommuters Using Unique VPN Rules Example All Headquarters Rules All Telecommuter Rules14.18VPN and Remote Management Remote Management and UPnP Remote Management Limitations Remote Management ConfigurationRemote Management Overview Remote Management and NAT15.3 FTP System TimeoutTelnet 15.4 WebConfiguring Remote Management Remote ManagementUniversal Plug and Play Overview How do I know if Im using UPnP?Universal Plug-and-Play UPnP NAT TransversalConfiguring UPnP Accessing the Prestige Web Configurator to Configure UPnPUPnP and ZyXEL Installing UPnP in Windows Example Field DescriptionInstalling UPnP in Windows Me Double-clickNetwork Connections Installing UPnP in Windows XPOptional Networking Component Using UPnP in Windows XP Example Auto-discover Your UPnP-enabled Network DeviceInternet Connection Properties Click start and then Control Panel Web Configurator Easy Access ExampleConnections Select My Network Places under Other Places UPnP 16-9 Maintenance Page Maintenance Overview MaintenanceSystem Status Screen System Status VPI/VCI System Statistics System Status Show StatisticsMaintenance 17-5 Dhcp Table Screen Dhcp TableDiagnostic General Screen Diagnostic ScreensMAC Diagnostic General Diagnostic DSL Line Screen Prestige 792H G.SHDSL RouterFirmware Upgrade Firmware ScreenNetwork Temporarily Disconnected SMT General Configuration Entering Password Procedure for SMT Configuration via Console PortProcedure for SMT Configuration via Telnet Introducing the SMTLogin Screen Prestige SMT Menu OverviewPrestige Menu Overview Operation Keystroke Description Main Menu CommandsNavigating the SMT Interface ? or ChangeMeMain Menu Summary System Management Terminal Interface SummaryMenu Title Description Changing the System Password Menu 23 System PasswordGeneral Setup General SetupConfiguring Menu Field Description Example Configure Menu 1.1 Configure Dynamic DNS discussed nextYes Configuring Dynamic DNS UserPage WAN Setup Screen From the main menu, enter 2 to open menu20-5 Dial Backup Overview Dial BackupConfiguring Dial Backup in Menu 115200 Advanced WAN SetupEnter to go to Menu 2.1 Advanced Setup 9600, 19200, 38400, 57600, 115200 or 230400 bpsField Description Default Nmbr =Advanced WAN Port Setup Call Control Parameters Remote Node Profile Backup ISPConnect Remote Node Profile Backup ISP CHAP/PAPPress Enter to go to Menu 11.3 Remote Node Network Editing TCP/IP Options Editing PPP OptionsOtherwise select Standard PPP Enter to open Menu 11.3 Network Layer Options NATBoth/ None /In Only /Out Only and None Editing Filter SetsBoth RIP-1Menu 11.5 Remote Node Filter Ethernet Ethernet Setup LAN Port Filter SetupIP Alias Setup TCP/IP and Dhcp SetupBoth , In Only or Out Only Route IP SetupRIP-2B or RIP-2M 22.1.4 TCP/IP Ethernet Setup and Dhcp General SetupRIP-1 Both Both, In Only, Out Only or NoneRIP-1,RIP-2B or RIP-2M 22-6 Internet Access Overview Internet AccessInternet Access Setup LLC-based Enet EncapOr Enet Encap UBRDynamic SUA OnlyAdvanced Applications Remote Node Setup Remote Node ConfigurationRemote Node Overview Remote Node Setup Encapsulation and Multiplexing ScenariosThen the Rem Login, Rem Password, My Login, My Based or LLC-basedTo display Menu 11.6 Remote Node ATM Layer Options ChapTo display Menu 11.3 Remote Node Network Layer Options Allocated Budget is 10 minutes and the Period hrRemote Node Network Layer Options RemoteStatic My WAN Addr Sample IP Addresses Options are Both, In Only, Out Only or NoneRemote Node Filter Sample IP Addresses for a TCP/IP LAN-to-LAN ConnectionVC-based Multiplexing non-PPP Encapsulation Editing ATM Layer OptionsPress Enter to open Menu 11.6 Remote Node ATM Layer Options LLC-based Multiplexing or PPP Encapsulation Menu 11.6 for LLC-based Multiplexing or PPP EncapsulationStatic Route Setup Static Route OverviewStatic Route Setup Edit IP Static Route Page Remote Node Bridging Setup Bridging SetupBridge Ethernet Setup Bridging OverviewBridge Static Route Setup Remote Node Bridging OptionsBridge Static Route Setup 26-4 Bridging Setup Applying NAT Applying NAT for Internet Access Address Mapping Sets NAT SetupFull Feature Enter 1 to bring up Menu 15.1 Address Mapping SetsAddress Mapping Sets Address Mapping Rules SUAUser-Defined Address Mapping Sets Field Desription Example NatsetEdit Global Start/End IPsSelect Rule item For Server One-to-OneTo-One,Many-to-One and Server types NAT Server Sets NAT Server Setup Example 1 Internet Access Only General NAT Examples11 NAT Example Example 2 Internet Access with an Inside Server 13 NAT ExampleExample 3 Multiple Public IP Addresses With Inside Servers 14 NAT Example 2 Menu15 NAT Example 17 Example 3 Menu Enter 2 in Menu 15 NAT Setup Example 4 NAT Unfriendly Application Programs 19 Example 3- Menu21 Example 4 Menu 22 Example 4 Menu Advanced Management Page Filter Configuration About FilteringOutgoing Packet Filtering Process Execute Filter Rule Filter Rule ProcessFilter Set Configuration Filter Structure of the PrestigeNetBios WAN Filter Rules Summary TelnetWAN Filter Rules Summary Ftpwan Filter Rules Summary Filter Rules Summary Menus Abbreviations Used in the Filter Rules Summary MenuFilter Type Description Filter Rule ConfigurationRule Abbreviations Used GENTCP/IP Filter Rule 28.3.1 TCP/IP Filter RuleChoices are TCP/IP Filter Rule or Generic Filter Rule Choices are None , Less , Greater , Equal or Not Equal TCP/IP Filter RuleIf More is Yes , then Action Matched and Action Not Check Next Rule, Forward or Drop Check Next RuleChoices are Check Next Rule, Forward or Drop 12 Executing an IP Filter Generic Filter Rule 13 Generic Filter RuleGeneric Filter Rule Menu Fields Filter Types and NAT Example Filter15 Sample Telnet Filter 16 Sample Filter Rules Summary Menu 17 Sample Filter Rules Summary Menu Filter Sets Table Applying Filters and Factory DefaultsEthernet Traffic Filter Sets DescriptionRemote Node Filters 19 Filtering Ethernet TrafficPage Snmp is only available if TCP/IP is configured Snmp ConfigurationSnmp Overview Snmp Configuration Supported MIBsSnmp Snmp TrapsSnmp Traps Trap # Trap Name Description29-4 Snmp Configuration System Maintenance Overview System MaintenanceSystem Status System Maintenance Status System Information System InformationWAN Menu 1 General Setup LANLog and Trace Viewing Error LogConsole Port Speed Sample Error and Information Messages SyslogParameter Description System Maintenance Menu Syslog ParametersCDR Diagnostic System Maintenance DiagnosticSystem Maintenance Menu Diagnostic Page Firmware and Configuration File Maintenance Filename ConventionsFilename Conventions Backup ConfigurationFile Type Internal External Name Description Using the FTP Command from the Command Line Backup ConfigurationExample of FTP Commands from the Command Line GUI-based FTP Clients General Commands for GUI-based FTP ClientsCommand Description Tftp and FTP over WAN Will Not Work WhenTftp Command Example Backup Configuration Using TftpGUI-based Tftp Clients Backup Via Console Port General Commands for GUI-based Tftp ClientsRestore Configuration Backup Configuration ExampleRestore Using FTP System Maintenance Restore ConfigurationRestore Using FTP Session Example Restore Via Console PortUploading Firmware and Configuration Files Firmware File UploadConfiguration File Upload 13 System Maintenance Upload System FirmwareFTP Session Example of Firmware File Upload FTP File Upload Command from the DOS Prompt ExampleTftp File Upload Tftp Upload Command Example Uploading Via Console PortExample Xmodem Firmware Upload Using HyperTerminal Uploading Firmware File Via Console PortUploading Configuration File Via Console Port Example Xmodem Configuration Upload Using HyperTerminal19 Example Xmodem Upload System Maintenance and Information Command Interpreter ModeCall Control Support Budget ManagementBudget Management Time and Date Setting System Maintenance Time and Date SettingTime and Date Setting Fields Resetting the TimeNTP RFC-1305 is similar to Time RFC-868 Page IP Policy Routing Benefits IP Policy RoutingIP Policy Routing Overview Routing PolicyIP Routing Policy Setup IP Routing Policy SetupCriterion ServiceAbbreviation Meaning ActionDelay, Max Thruput, Min Cost or Max Reliable G tLess, Greater, Less or Equal or Greater or Equal Applying an IP PolicyEthernet IP Policies Matched33-6 IP Policy Routing IP Policy Routing Example Example of IP Policy RoutingIP Routing Policy Example Applying IP Policies Page Call Scheduling Schedule SetupCall Scheduling Overview Schedule Set Setup Once Forced OnApplying Schedule Sets to a Remote Node PPPoE Remote Management and FTP Services Remote Management and Telnet ServicesRemote Management Disabling Remote Management Remote Management SetupRemote Management and Web Services Remote Management ControlSystem Timeout Remote Management and NATSMT VPN/IPSec and Internal Sptgen VPN/IPSec Setup 36.1 VPN/IPSec OverviewMenu 27 VPN/IPSec Setup IPSec Summary ScreenTunnel ESP DES MD536-4 VPN/IPSec Setup IPSec Setup Menu 27.1.1 IPSec Setup IPSec SummaryGateway Address field below Address field set to SingleSubnet Manual Setup Field IKE Setup3Menu 27.1.1.1 IKE Setup Description ExampleDH1 DESMD5 Active Protocol Manual SetupMode Security Protocol Active Protocol Encapsulation and Security ProtocolMenu 27.1.1.2 Manual Setup ESP TunnelVPN/IPSec Setup 36-15 Page SA Monitor Using SA MonitorSA Monitor Overview ESP DES TaiwanRefresh Viewing IPSec Log Diagram 37-1 Example VPN Responder IPSec LogVPN Responder IPSec Log Page Internal Sptgen Configuration Text File FormatInternal Sptgen Overview 38-2 Internal Sptgen Invalid Parameter Entered Command Line Example Internal Sptgen FTP Download ExampleInternal Sptgen FTP Upload Example Internal Sptgen FTP Upload ExampleAppendices and Index Page Problems with the LAN Interface TroubleshootingProblems Starting Up the Prestige Troubleshooting the Start-Up of Your PrestigeTroubleshooting the WAN Interface Problems with the WAN InterfaceProblems with Internet Access Troubleshooting Internet AccessTroubleshooting the Password Problems with the PasswordProblems with Telnet Troubleshooting TelnetPage Benefits of PPPoE Appendix a PPPoEPPPoE in Action Traditional Dial-up ScenarioDiagram 2 Prestige as a PPPoE Client Prestige as a PPPoE ClientDiagram 3 Virtual Circuit Topology Appendix B Virtual Circuit TopologyNorth American Plug Standards Power Adapter SpecificationsAppendix C United Kingdom Plug StandardsAA-121ABN European Plug StandardsChina Standards Power Consumption Safety Standards Ccee GB8898 Index 28-4 17-1010-7 Local Network30-6 24-2 24-1,24-2RIP 30-5TCP/IP Traceroute