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Reference Guide for the
Model RT311 and RT314
Internet Access Gateway
Routers
NETGEAR, Inc.
4500 Great America Parkway
Santa Clara, CA 95054 USA
Phone 1-888-NETGEAR
SM-RT311NA-4
February 2001
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© 2001 by NETGEAR, Inc. All rights reserved. Trademarks NETGEAR and FirstGear are trademarks Netgear, Inc. Microsoft, Windows, and Windows NT are registered trademarks of Microsoft Corporation. Other brand and product names are registered trademarks or trademarks of their respective holders. Statement of Conditions In the interest of improving internal design, operational function, and/or reliability, NETGEAR reserves the right to make changes to the products described in this document without
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Bestätigung des Herstellers/Importeurs Es wird hiermit bestätigt, daß das Model RT311 and RT314 Internet Access Gateway Routers gemäß der im BMPT-AmtsblVfg 243/1991 und Vfg 46/1992 aufgeführten Bestimmungen entstört ist. Das vorschriftsmäßige Betreiben einiger Geräte (z.B. Testsender) kann jedoch gewissen Beschränkungen unterliegen. Lesen Sie dazu bitte die Anmerkungen in der Betriebsanleitung. Das Bundesamt für Zulassungen in der Telekommunikation wurde davon unterrichtet, daß dieses Gerät a
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iv
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Contents About This Guide Technical Support ............................................................................................................ xv Related Publications ........................................................................................................ xv Typographical Conventions ............................................................................................xvii Special Message Formats ...................................................................
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Verifying Power ........................................................................................................2-8 Chapter 3 Preparing Your Network Preparing Your Personal Computers for IP Networking .................................................3-1 Configuring Windows 95 or later for IP Networking ........................................................3-2 Configuring TCP/IP Properties .................................................................................3-4 Verifying TC
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Software Upgrade ...........................................................................................................6-4 Erase the Configuration ..................................................................................................6-5 Chapter 7 Using the Manager Interface for Initial Router Configuration Connecting for Configuration ..........................................................................................7-1 Connecting Through a Serial Port ..................
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Backing Up and Restoring the Configuration with a Serial Connection ...................9-8 Backing Up and Restoring the Configuration Using FTP .........................................9-9 Software Update .............................................................................................................9-9 Updating Router Software Using a Serial Connection .............................................9-9 Updating Router Software Using FTP ...............................................
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Appendix A Technical Specifications General Specifications ................................................................................................... A-1 Appendix B Network and Routing Basics Basic Router Concepts .................................................................................................. B-1 What is a Router? ................................................................................................... B-1 Routing Information Protocol .....................
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x Contents
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Figure 2-1. RT311 Front Panel ...................................................................................2-3 Figure 2-2. RT314 Front Panel ...................................................................................2-3 Figure 2-3. RT311 Rear Panel ...................................................................................2-5 Figure 2-4. RT314 Rear Panel ...................................................................................2-5 Figure 4-1. Login window .........
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Figure B-1. Three Main Address Classes .................................................................. B-3 Figure B-2. Example of Subnetting a Class B Address ............................................. B-5 Figure B-3. Single IP Address Operation Using NAT ................................................ B-8 xii
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Table 2-1. LED Descriptions .....................................................................................2-4 Table 5-1. Dynamic DNS configuration fields ...........................................................5-2 Table 5-2. DHCP Setup Fields .................................................................................5-4 Table 5-3. LAN TCP/IP Setup Fields .......................................................................5-4 Table 5-4. Port Table Entries (Example) ............
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xiv
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About This Guide ™ Congratulations on your purchase of the NETGEAR Model RT311 or RT314 Internet Access Gateway Router. The Model RT311 and RT314 Internet Access Gateway Routers provide connection for multiple personal computers (PCs) to the Internet through an external broadband access device (such as a cable modem or DSL modem) that is normally intended for use by a single PC. Note: If you are unfamiliar with networking and routing, refer to Appendix B, “Network and Routing Basics,” to bec
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Reference Guide for the Model RT311 and RT314 Internet Access Gateway Routers For more information about address assignment, refer to the IETF documents RFC 1597, Address Allocation for Private Internets, and RFC 1466, Guidelines for Management of IP Address Space. For more information about IP address translation, refer to RFC 1631, The IP Network Address Translator (NAT). xvi About This Guide
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Reference Guide for the Model RT311 and RT314 Internet Access Gateway Routers Typographical Conventions This guide uses the following typographical conventions: italics Book titles and UNIX file, command, and directory names. courier font Screen text, user-typed command-line entries. Initial Caps Menu titles and window and button names. [Enter] Named keys in text are shown enclosed in square brackets. The notation [Enter] is used for the Enter key and the Return key. [Ctrl]+C Two or more keys t
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Chapter 1 Introduction This chapter describes the features of the NETGEAR Model RT311 and RT314 Internet Access Gateway Routers and discusses planning considerations for installation. About the Router The Model RT311 or RT314 Internet Access Gateway Router connects your local area network (LAN) to the Internet through an external single-user access device such as a cable modem or DSL modem. When personal computers (PCs) on the LAN need to communicate with locations on the Internet, the PCs s
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Reference Guide for the Model RT311 and RT314 Internet Access Gateway Routers The Model RT311 and RT314 Internet Access Gateway Routers provide the following features: • Ethernet LAN connection at 10 megabits per second (Mbps) or 100 Mbps – Internal four port 10/100 switch (Model RT314 router) – Single 10/100 port (Model RT311 router) – Autosensing for Ethernet (10BASE-T) or Fast Ethernet (100BASE-Tx) transmissions – Half-duplex or full-duplex operation • Ethernet connection to a wide area netwo
