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Netopia R5000 manual NetBIOS, IPX spoofing, IPX setup screen

Models: R5000

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IPX Setup 10-3

The following is a list of common SAP server types:

Unknown	0000h

Print Queue	0003h

File Server	0004h

Job Server	0005h

Print Server	0007h

Archive Server	0009h

Remote Bridge Server	0024h

Advertising Print Server	0047h

Reserved Up To	8000h

NetBIOS

NetBIOS is a protocol that performs tasks related to the Transport and Session layers of the OSI model. It can operate over IPX using a special broadcast packet known as “IPX Packet type 20” to communicate with IPX NetBIOS servers.

IPX spoofing

The Netopia R5000 Series Router has several IPX features designed to restrict the trafﬁc on the dial-up link when the unit is not sending or receiving IPX data. When the link is idle and a user is logged into a Novell server, the server will send keep-alive packets to ensure that the user is still there. If the link is idle, the keep-alive packets will be sent back to the server by the locally connected Netopia R5000 Series Router as though they came back from the user without bringing up the dial-up link.

SPX keep-alive packets are also treated in this manner. IPX RIP and SAP messages will not be sent if the link is down. Together, these features enable the user to remain connected to a Novell server or SPX peer without bringing up the dial-up link, except to send and receive actual user data.

IPX setup screen

Main

Menu

System

Configuration

Network

Protocols

Setup

IPX Setup

You will use the IPX Setup screen to conﬁgure the Ethernet side of the Netopia R5000 Series Router. The information you enter controls how the router routes IPX trafﬁc.

Image 133

Netopia R5000 manual NetBIOS, IPX spoofing, IPX setup screen

Contents

Netopia R5000 Series Routers Part Number Contents Setting up your Router with the SmartStart Wizard Part II Advanced Configuration Vi User’s Reference Guide Aurp Viii User’s Reference Guide Part III Appendixes User’s Reference Guide Index Index-1 Limited Warranty and Limitation of Remedies Xii User’s Reference Guide Part I Getting Started User’s Reference Guide Chapter Introduction Features and capabilitiesOverview How to use this guide Finding an Internet service provider Chapter Setting Up Internet ServicesType of Service Data Rate Speed Datalink Protocol Pricing and support Unique requirementsEndorsements Deciding on an ISP account Local LAN IP address information to obtain Obtaining information from the ISPWith Network Address Translation Without Network Address TranslationUser’s Reference Guide Find a location Chapter Making the Physical ConnectionsWhat you need R5100 Serial Connect the routerR5200 DDS and R5300 T1 Serial Line portAttach the cables Identify the connectorsNetopia R5000 Series Router LED front panel Netopia R5000 Series Router status lightsUser’s Reference Guide Readying computers on your local network Chapter Connecting to Your Local Area NetworkUser’s Reference Guide Crossover Switch Auxiliary port Port Ethernet hub Connecting to an Ethernet network10Base-T Adding an external modem Connecting to a LocalTalk network User’s Reference Guide Chapter Setting up your Router with the SmartStart Wizard Before running SmartStart Installed and properly conﬁgured. SeeSmartStart Wizard configuration screens Setting up your Router with the SmartStart WizardEasy option Setup options screen. You can choose either Easy orAdvanced option Conﬁguration screen on Conﬁguration tab Dynamic configuration recommendedStatic configuration optional Add. Repeat this process for the secondary DNS TCP/IP Configuring TCP/IP on Macintosh computersTCP/IP or MacTCP Close the TCP/IP control panel and save the settings Dynamic configuration using MacIP optionalSetting up your Router with the SmartStart Wizard User’s Reference Guide Chapter Console-Based Management Filter sets ﬁrewalls. See Security on Connecting through a Telnet sessionSnmp Simple Network Management Protocol. See Snmp on Connecting a console cable to your router Configuring Telnet softwareMac ANSI, VT-100, or VT-200 Navigating through the console screensEasy Setup console screens Chapter Easy SetupAccessing the Easy Setup console screens Screen differencesScreen similar to the following Main Menu appears See Appendix A, Troubleshooting, for more suggestionsSerial Line Easy Setup screen appears Serial Line Easy Setup configuration screenT1 Line Conﬁguration screen appears T1 Line configuration screenDDS Line Conﬁguration screen appears DDS Line configuration screenEasy Setup Proﬁle screen appears Easy Setup Profile screenIP Easy Setup Easy Setup Security Configuration Easy Setup User’s Reference Guide Part II Advanced Configuration User’s Reference Guide WAN configuration Chapter WAN and System ConfigurationConfiguration Line configuration for a Serial line Line configuration for a DDS line Line configuration for a T1 line WAN and System Conﬁguration Easy Setup Frame Relay screens Configuring Frame RelayMain Menu Easy Setup Line Configuration Setup Line Configuration WAN Configuration Frame Relay screensFrame Relay configuration WAN and System Conﬁguration Displaying a Frame Relay Dlci configuration table Frame Relay Dlci configurationWAN and System Conﬁguration Changing a Frame Relay Dlci configurationDlci Adding a Frame Relay Dlci configurationDeleting a Frame Relay Dlci configuration Creating a new Connection Proﬁle ADD Profile NOW CancelIPX Profile Parameters Remote IPX Network Datalink Frame Relay Options Auto-Detect DLCIs PAP Dial IP Address IPX Network-+ Configuration Default Profile Default profileIP parameters default profile screen IPX parameters default profile screen Configuration Scheduled Connections Scheduled connections switched async onlyViewing scheduled connections Adding a scheduled connection Set Weekly Schedule Set Once-Only Schedule Deleting a scheduled connection Modifying a scheduled connectionConnection accounting screens switched async only Budget Setup screen appears Budget Statistics in Hhhhmm Navigating through the system configuration screens System configuration screensSystem configuration features Filter sets firewalls Network protocols setupIP address serving Date and timeConsole configuration Snmp Simple Network Management Protocol Upgrade feature setSecurity LoggingInstalling the Syslog client User’s Reference Guide Network Address Translation features Chapter IP Setup and Network Address TranslationHOW NAT Works Previous Screen Using Network Address TranslationV2 multicast Numbered Unnumbered Sdsl WAN1 Associating port numbers with nodesConnection Profiles Advanced IP/IPX router configuration optionsATM Funi IPX Profile Parameters Remote IPX Network Network Address Translation guidelines IP setup IP Setup and Network Address Translation Select Add Export. The Add Exported Service screen appears Select Service. a pop-up menu of services and ports appears IP subnets IP Setup and Network Address Translation Static routes Viewing static routes Static Routes screen will appearAdding a static route Modifying a static route Rules of static route installationDeleting a static route Main System Menu Configuration IP Address Serving 176.163.222.10 Dhcp NetBios Options Serve Bootp Clients IP Address Pools User’s Reference Guide Dhcp NetBIOS Options NetBios Type Select Release BootP Leases and press Return MacIP KIP forwarding setupYou have ﬁnished your IP setup IPX features Chapter IPX SetupIPX definitions Internetwork Packet Exchange IPXIPX address Service Advertising Protocol SAPSocket Routing Information Protocol RIPIPX setup screen NetBIOSIPX spoofing Default Gateway Address IPX routing tables User’s Reference Guide AppleTalk networks Chapter AppleTalk SetupAppleTalk protocol AT Routing Table Routers and seeding MacIPInstalling AppleTalk Upgrade NOW EtherTalk setup Configuring AppleTalkLocalTalk setup Viewing Aurp partners Aurp setupAurp Free Trade Zone Modifying an Aurp partner Adding an Aurp partnerDeleting an Aurp partner Configuring Aurp OptionsReceiving Aurp connections Aurp Options Tickle Interval Hhmmss User’s Reference Guide Quick View status overview Chapter Monitoring ToolsGeneral status Status lights Current statusStatistics & Logs Physical Interface General StatisticsNetwork Interface Event histories WAN Event History Device Event History Routing tablesIPX routing table IP routing tableAppleTalk routing table IPX Sap Bindery tableServed IP Addresses IP Address Lease Management screen appears Snmp System InformationCommunity strings Snmp Setup screenSnmp traps Viewing IP trap receivers Setting the IP trap receiversModifying IP trap receivers Deleting IP trap receiversT1 Line Statistics and Diagnostics screen T1 DiagnosticsSelect T1 Line Statistics / Diagnostics and press Return T1 Line Statistics / Diagnostics screen appears Monitoring Tools Web-based monitoring Accounting for switched interfaces only Frame Relay Statistics Connection Status Connect/Disconnect Router Budget Configuration Connection Budgets Connection Budget Configuration Budget Statistics Event History pages Device Event History Suggested security measures Chapter SecurityUser accounts Protecting the Security Options screen Protecting the configuration screensDial-in console access Telnet access Enable SmartStart/SmartView/Web serverAbout filters and filter sets What’s a filter and what’s a filter set?Filter priority How filter sets workUser’s Reference Guide Filter’s actions How individual filters workFiltering rule Parts of a filterWho 513 161 Aurp AppleTalk 387Port number comparisons Putting the parts together Other filter attributesInternet Control Message Protocol Transmission Control ProtocolFiltering example #1 Filtering example #2 Design guidelinesDisadvantages of filters Working with IP filters and filter sets An approach to using filtersNaming a new filter set Adding a filter setNetopia Router Input and output filters-source and destinationADD this Filter NOW Cancel User’s Reference Guide Viewing filters Moving filtersModifying filters Deleting filters Viewing filter setsModifying filter sets Sample IP filter setTCP Icmp UDP Possible modifications User’s Reference Guide IPX filters Main Menu System Configuration Filter Sets FirewallsViewing and modifying packet filters IPX packet filtersAdding a packet filter Deleting a packet filter IPX packet filter setsViewing and modifying packet filter sets Adding a packet filter setNo Match Deleting a packet filter set IPX SAP filtersViewing and modifying SAP filters Deleting a SAP filter Adding a SAP filterViewing and modifying SAP filter sets IPX SAP filter setsAdding a SAP filter set Deleting a SAP filter set Basic IP packet components Firewall tutorial General firewall termsBasic protocol types ACK Bit YesExample TCP/UDP Ports Firewall design rulesFirewall Logic Logical and function Binary representationEstablished connections Implied rulesExample IP filter set screen Example network Filter basicsExample Example filtersExample Example Chapter Utilities and Diagnostics Ping Utilities and Diagnostics Stop Ping TimeTrace Route Telnet client Disconnect Telnet console session Factory defaultsUpdating firmware Transferring configuration and firmware files with TftpDownloading configuration files Transferring configuration and firmware files with Xmodem Uploading configuration filesIdle Do you want to send a saved configuration to your Netopia? Restarting the system User’s Reference Guide Part III Appendixes User’s Reference Guide Configuration problems Appendix a TroubleshootingNetwork problems Console connection problemsPower outages How to reset the router to factory defaultsTechnical support How to reach usBefore contacting Netopia Environment profileOnline product information Netopia Bulletin Board Service 1Product information can be found in the following FAX-BackUser’s Reference Guide Appendix B Understanding IP Addressing What is IP?About IP addressing Subnets and subnet masks Subnet masks Example Using subnets on a Class C IP internetCustomer Site a ISP Network Network configurationDistributing IP addresses Example Working with a Class C subnetBackground Technical note on subnet masking Netopia R5000 Series Router Dhcp server characteristics Configuration255.255.255.192 255.255.255.0Manually distributing IP addresses Using address servingMacIP serving Serve dynamic WAN clients Tips and rules for distributing IP addressesDhcp example Internet Nested IP subnets0.0 C.1 WAN 3719 Packet header types BroadcastsUser’s Reference Guide Appendix C Understanding Netopia NAT Behavior Network configurationBackground User’s Reference Guide Understanding Netopia NAT Behavior C-3 Netopia Router WWW Server ISP Router LAN Understanding Netopia NAT Behavior C-5 Exported servicesImportant notes Understanding Netopia NAT Behavior C-7 Summary Appendix D Binary Conversion Table Decimal Binary Appendix E Further Reading User’s Reference Guide No August Further Reading E-3User’s Reference Guide Pinouts for Auxiliary port modem cable Appendix F Technical Specifications and Safety InformationHD-15 DB-25 Pin Ground Not used Pin Not used DCE ReadyPin Rset EIA-530 HD-15 DB-25 PinPin Not used Tset EIA-530 Pin Not usedDescription Power requirementsEnvironment Software and protocolsRegulatory notices Agency approvalsNorth America R5100, R5200, R5300 FCC Class BTechnical Speciﬁcations and Safety Information F-5 Australian Safety Information R5100 Important safety instructionsDeclaration for Canadian users Battery Telecommunication installation cautionsUser’s Reference Guide Glossary User’s Reference Guide Glossary User’s Reference Guide Glossary Remapping See network number remapping Glossary User’s Reference Guide Numerics IndexDeﬁned DisplayAccount types LocalTalk conﬁguration Index-3Index-4 Index-5 Index-6 Limited Warranty and Limitation of Remedies User’s Reference Guide