Quick Reference Guide

ManualsBrandsNETGEAR ManualsNetwork RouterRH340

M-RH348NA-2

September 2000

NETGEAR

, Inc.

4500 Great America Parkway

Santa Clara, CA 95054

USA

Reference Guide for the

Model RT328 and Model

RH348 ISDN Routers

Frontmat.fm Page i Tuesday, October 10, 2000 3:11 PM

Summary of content (142 pages)

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Frontmat.fm Page i Tuesday, October 10, 2000 3:11 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers NETGEAR, Inc.
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Frontmat.fm Page ii Tuesday, October 10, 2000 3:11 PM © 2000 by NETGEAR, Inc. All rights reserved. Trademarks NETGEAR™ is a trademark of Netgear, Inc. Windows® is a registered trademark of Microsoft Corporation. Other brand and product names are trademarks or registered trademarks of their respective holders. Information is subject to change without notice. All rights reserved.
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Frontmat.fm Page iii Tuesday, October 10, 2000 3:11 PM Bestätigung des Herstellers/Importeurs Es wird hiermit bestätigt, daß das Model RT328 ISDN Router und Model RH348 ISDN Router 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.
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Frontmat.
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RH348TOC.fm Page v Tuesday, October 10, 2000 3:12 PM Contents Preface Purpose ........................................................................................................................... xv Audience .......................................................................................................................... xv Conventions .....................................................................................................................xvi Special Message Formats .............
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RH348TOC.fm Page vi Tuesday, October 10, 2000 3:12 PM Subnet Addressing .................................................................................................1-10 Private IP Addresses ..............................................................................................1-12 Single IP Address Operation Using NAT ................................................................1-13 Address Resolution Protocol ..................................................................................
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RH348TOC.fm Page vii Tuesday, October 10, 2000 3:12 PM Ethernet Setup .............................................................................................................3-11 General Setup Menu ..............................................................................................3-11 DHCP and TCP/IP Setup .......................................................................................3-12 Manager Password Setup ........................................................................
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RH348TOC.fm Page viii Tuesday, October 10, 2000 3:12 PM Reducing Unnecessary Calls by Windows 95 ................................................................8-9 Diagnosing the Situation ..........................................................................................8-9 Implementing the Filter ...........................................................................................8-11 Applying the Filter .......................................................................................
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RH348TOC.fm Page ix Tuesday, October 10, 2000 3:12 PM Troubleshooting a TCP/IP Network Using a Ping Utility ...............................................10-4 Testing the LAN Path to Your Router ......................................................................10-4 Testing the Path from Your PC to a Remote Device ...............................................10-5 Troubleshooting a Remote Node or ISP Connection ....................................................
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RH348TOC.
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RH348LOF.fm Page xi Tuesday, October 10, 2000 3:13 PM Figures Figure 1-1. Figure 1-2. Figure 1-3. Three Main Address Classes ...................................................................1-8 Example of Subnetting a Class B Address ............................................1-10 Single IP Address Operation Using NAT ................................................1-13 Figure 2-1. Figure 2-2. Figure 2-3. Figure 2-4. Front Panel of Model RT328 Router .................................................
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RH348LOF.fm Page xii Tuesday, October 10, 2000 3:13 PM xii Figure 9-1. Figure 9-2. Figure 9-3. Packet Examples .....................................................................................9-3 Trace Display for a Successful TCP/IP Protocol Connection ...................9-7 Trace Display for a Failed TCP/IP Protocol Connection ...........................9-7 Figure D-1. Figure D-2. Figure D-3. Figure D-4. ISDN Protocol Analyzer Display .............................................................
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RH348LOT.fm Page xiii Tuesday, October 10, 2000 3:13 PM Tables Table 1-1. Table 1-2. Table 2-1. Netmask Notation Translation Table for One Octet ................................1-11 Netmask Formats ...................................................................................1-12 LED Descriptions .....................................................................................2-5 Table 3-1. Table 3-2. Table 3-3. Table 3-4. Table 3-5. Table 3-6. Manager Menu Commands ...........................
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RH348LOT.fm Page xiv Tuesday, October 10, 2000 3:13 PM xiv Table 9-1. Table 9-2. Table 9-3. Table 9-4. Table 9-5. System Maintenance Status Menu Fields ................................................9-1 System Maintenance Status Menu Fields ...............................................9-2 System Maintenance - Log and Trace Menu Fields .................................9-4 System Maintenance - Syslog and Accounting Menu Fields ...................9-5 System Maintenance - Diagnostic Menu Fields ..........
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Preface.fm Page xv Tuesday, October 10, 2000 3:14 PM Preface Congratulations on your purchase of the NETGEAR™ Model RT328 ISDN Router or Model RH348 ISDN Router. These ISDN router models provide connection for one or more computer workstations to the Internet or to the ofﬁce over Integrated Services Digital Network (ISDN) lines. They operate at a speed of up to 512 kilobits per second (Kbps) or 128 Kbps without compression.
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Preface.fm Page xvi Tuesday, October 10, 2000 3:14 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Conventions This section describes the conventions used in this guide. Special Message Formats This guide uses the following formats to highlight special messages: Note: This format is used to highlight information of importance or special interest. Caution: This format is used to highlight information that will help you prevent equipment failure or loss of data.
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Preface.fm Page xvii Tuesday, October 10, 2000 3:14 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Other 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.
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Preface.
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Intro.fm Page 1 Tuesday, October 10, 2000 3:15 PM Chapter 1 Introduction This chapter describes the features of the NETGEAR Model RT328 ISDN Router and Model RH348 ISDN Router and discusses planning considerations for installation. About the Router The Model RT328/RH348 router transports data from one local area network (LAN) to another through a wide area network (WAN) connection. The router compares the network addresses of data packets sent through the LAN to the entries in its address tables.
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Intro.
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Intro.
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Intro.fm Page 4 Tuesday, October 10, 2000 3:15 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers TCP/IP Support The Model RT328/RH348 router supports the Transmission Control Protocol/Internet Protocol (TCP/IP) and Routing Information Protocol (RIP), which ensures that ISDN connections are established only when passing data. For further information about TCP/IP, refer to “Basic Router Concepts” on page 1-6.
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Intro.fm Page 5 Tuesday, October 10, 2000 3:15 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers PAP and CHAP Authentication For connecting to other routers, the Model RT328/RH348 router supports two authentication protocols: Password Authentication Protocol (PAP) and Challenge Handshake Authentication Protocol (CHAP). PAP sends the user name and password in plain text. CHAP scrambles the password before it is sent over the wire.
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Intro.fm Page 6 Tuesday, October 10, 2000 3:15 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Basic Router Concepts In general, the cost of providing network bandwidth is proportional to the data speed and the distance over which the network extends. Large amounts of bandwidth are provided easily and relatively inexpensively in a local area network (ofﬁce, department, and similar situations).
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Intro.fm Page 7 Tuesday, October 10, 2000 3:15 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Using RIP, routers update one another periodically and check to see if there are any changes to be added to the routing table. An important consideration is the convergence time, or how long it takes for a change to the routing topology (such as a new node or a node failure), to be propagated throughout the entire RIP environment.
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Intro.fm Page 8 Tuesday, October 10, 2000 3:15 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers There are ﬁve standard classes of IP addresses. These address classes have different ways of determining the network and host sections of the address, allowing for different numbers of hosts on a network. Each address type begins with a unique bit pattern, which is used by the TCP/IP software to identify the address class.
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Intro.fm Page 9 Tuesday, October 10, 2000 3:15 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Class E addresses are for experimental use. This addressing structure allows IP to uniquely identify each physical network and each node on each physical network. For each unique value of the network portion of the address, the base address of the range (host address of all zeros) is known as the network address and is not usually assigned to a host.
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Intro.fm Page 10 Tuesday, October 10, 2000 3:15 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Subnet Addressing By looking at the addressing structures, you can see that even with a Class C address, there are a large number of hosts per network. Such a structure is an inefﬁcient use of addresses if each end of a routed link requires a different network number. It is unlikely that the smaller ofﬁce LANs would have that many devices.
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Intro.fm Page 11 Tuesday, October 10, 2000 3:15 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Note: The number 192.68.135.127 is not assigned because it is the broadcast address of the ﬁrst subnet. And 192.68.135.128 is not assigned because it is the network address of the second subnet. Table 1-1 lists the additional subnet mask bits in dotted-decimal notation.
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Intro.fm Page 12 Tuesday, October 10, 2000 3:15 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Table 1-2 displays several common netmask values in both the dotted-decimal and the masklength formats. Table 1-2. Netmask Formats Dotted-Decimal Masklength 255.0.0.0 /8 255.255.0.0 /16 255.255.255.0 /24 255.255.255.128 /25 255.255.255.192 /26 255.255.255.224 /27 255.255.255.240 /28 255.255.255.248 /29 255.255.255.252 /30 255.255.255.254 /31 255.255.255.
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Intro.fm Page 13 Tuesday, October 10, 2000 3:15 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Regardless of your particular situation, do not create an arbitrary IP address; always follow the guidelines explained here. For more information about address assignment, refer to RFC 1597, Address Allocation for Private Internets, and RFC 1466, Guidelines for Management of IP Address Space.
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Intro.fm Page 14 Tuesday, October 10, 2000 3:15 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers This scheme offers the additional beneﬁt of ﬁrewall protection because the internal LAN addresses are not available to the Internet through the translated connection. All incoming inquiries are ﬁltered out by the router. This ﬁltering can prevent intruders from probing your system.
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Intro.fm Page 15 Tuesday, October 10, 2000 3:15 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers IP Configuration by DHCP When an IP-based local area network is installed, each workstation must be conﬁgured with an IP address. If the workstations need to access the Internet, they should also be conﬁgured with a gateway address and one or more DNS server addresses.
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Intro.
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Install.fm Page 1 Tuesday, October 10, 2000 3:16 PM Chapter 2 Router Installation and Connection This chapter provides instructions for installing the Model RT328/RH348 router and connecting to the built-in interface through a serial or Telnet connection.
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Install.fm Page 2 Tuesday, October 10, 2000 3:16 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers ISDN Services Checklist The following requirements must be met in order to successfully connect to the ISDN network: • • European Services – Your ISDN circuit should conform to DSS1, EURO-ISDN, NET3, or I-CTR3 standards. – You should know the ISDN number(s) of your local and remote sites.
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Install.fm Page 3 Tuesday, October 10, 2000 3:16 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Network Checklist The Model RT328/RH348 router uses the Internet Protocol (IP). The IP conﬁguration has the following requirements: • Host devices must have established IP addresses (usually deﬁned by your network manager or Internet service provider). • An IP address must be assigned to the router itself (usually deﬁned by your network manager or Internet service provider).
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Install.fm Page 4 Tuesday, October 10, 2000 3:16 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Connecting the Router The front panels of the Model RT328 router, as illustrated in Figure 2-1, and the Model RH348 router, as illustrated in Figure 2-2, contain status LEDs. Refer to the illustrations to locate the LEDs and to Table 2-1 for descriptions. You can use some of the LEDs to verify connections.
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Install.fm Page 5 Tuesday, October 10, 2000 3:16 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Table 2-1 lists and describes each LED on the front panel of the router. These LEDs are green when lit. Table 2-1. LED Descriptions Label Activity Description PWR (Power) On Power is supplied to the router. TEST Blinking The router is functioning properly. D On The router is successfully synchronized with the attached ISDN line.
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Install.fm Page 6 Tuesday, October 10, 2000 3:16 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers The rear panel of the Model RT328 router is shown in Figure 2-3, and the rear panel of the Model RH348 router is shown in Figure 2-4. Refer to this diagram to identify all of the ports on the router when you attempt to make any connections.
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Install.fm Page 7 Tuesday, October 10, 2000 3:16 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Warning: Several of the connectors and connection cables are very similar. It is important that you use the correct cable for each connection and that you do not connect the ports incorrectly, because serious damage to your router could result. Connecting the Serial Cable (Optional) Plug one end of the 9-pin RS-232 cable into the MGR (manager) port on the router.
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Install.fm Page 8 Tuesday, October 10, 2000 3:16 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Using Twisted Pair LAN Cabling Use the UTP port for connecting your router to a 10BASE-T network, using unshielded twisted pair (UTP) cabling and RJ-45 connectors. The following two types of UTP cable are included with your router: • Straight-through Ethernet cable Use the white straight-through cable to connect your router to an Ethernet hub.
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Install.fm Page 9 Tuesday, October 10, 2000 3:16 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Connecting for Configuration If you are a PC user, you can conﬁgure the router through either the FirstGear ISDN Router Conﬁguration Utility, which is an easy-to-use software program, or the menu-based built-in Manager interface. For complete instructions on using FirstGear, refer to Getting Started Using FirstGear for the Model RT328 and Model RH348 ISDN Routers.
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Install.fm Page 10 Tuesday, October 10, 2000 3:16 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers To make a Telnet connection from the LAN, you must know which of the two LAN interfaces (UTP or AUI) is enabled and make sure that the interface is connected to the LAN. The factory default is the UTP interface.
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Config.fm Page 1 Tuesday, October 10, 2000 3:17 PM Chapter 3 Router Configuration This chapter contains information about conﬁguring your Model RT328/RH348 router through the built-in Manager interface. Configuration Methods If you are using a PC, you have the following two options to conﬁgure your router: • Through FirstGear FirstGear is an easy-to-use Windows-based utility that leads you through a Quick Setup or an Advanced menu for conﬁguring your router.
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Config.fm Page 2 Tuesday, October 10, 2000 3:17 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Powering on the Router When you turn power on to the router, several internal tests are performed by the router and your ISDN line is initialized. After the initialization, the start-up display appears, as illustrated in Figure 3-1. RAS Version: V1.3 (N.01) | 6/11/97 ethernet address: 00:a0:c5:e0:00:00 Resetting ISDN firmware.
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Config.fm Page 3 Tuesday, October 10, 2000 3:17 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Navigating the Manager The Manager is the interface that you use to conﬁgure your router. Table 3-1 lists and describes the commands that enable you to navigate through the menus in the Manager. Table 3-1. Manager Menu Commands Action Description Move forward to another menu Enter the number of the submenu and press [Enter]. Move back to a previous menu Press [Esc].
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Config.fm Page 4 Tuesday, October 10, 2000 3:17 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers The Manager Main Menu is illustrated in Figure 3-2. Figure 3-2.
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Config.fm Page 5 Tuesday, October 10, 2000 3:17 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Manager Menu Summary Table 3-2 describes the top-level Manager menus. Table 3-2. Manager Menu Summary Number Menu Title Description 1 General Setup This menu is accessed to set up general information and enable specific protocol routing or bridging. 2 ISDN Setup This menu is accessed to set up ISDN configurations.
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Config.fm Page 6 Tuesday, October 10, 2000 3:17 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers General Setup Menu The General Setup Menu contains administrative and system-related information. To enter administrative and system-related information: 1. Enter 1 from the Main Menu to display Menu 1 - General Setup, as illustrated in Figure 3-3. Figure 3-3. 2. Menu 1 - General Setup Enter the system name in the System Name ﬁeld of the menu.
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Config.fm Page 7 Tuesday, October 10, 2000 3:17 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers ISDN Menus Menu 2 is for conﬁguring your ISDN line. Depending on what switch the telephone company has for your particular installation, you may have more than one telephone number. If you are in North America, you may also have SPIDs (Service Proﬁle Identiﬁers). Make sure that you have correct and complete telephone numbers and SPIDs.
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Config.fm Page 8 Tuesday, October 10, 2000 3:17 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Figure 3-4 shows Menu 2 - ISDN Setup for North America. Figure 3-4. Menu 2 - ISDN Setup for North America DSS1 ISDN Menu Use the commands described in Table 3-1 and Table 3-2 to display Menu 2 - ISDN Setup for DSS1. When you ﬁnish entering the information for all the ﬁelds, do the following on both menus: • Press [Enter] at the Press ENTER to Conﬁrm prompt to save your selections.
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Config.fm Page 9 Tuesday, October 10, 2000 3:17 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Table 3-4 lists and describes the ﬁelds and ﬁeld descriptions for Menu 2 - ISDN Setup. Table 3-4. ISDN Setup Field Descriptions Field Description Switch Type This field is fixed as DSS1. B Channel Usage Switch/switch should be selected unless one or both B channels are a leased circuit.
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Config.fm Page 10 Tuesday, October 10, 2000 3:17 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Table 3-4. ISDN Setup Field Descriptions (continued) Field Description Analog Call Routing All analog calls are routed to the A/B Adapter 1 if the setting is A/B Adapter 1. The calls are routed to the A/B Adapter 2 if the setting is A/B Adapter 2. They are not answered if the setting is Ignore.
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Config.fm Page 11 Tuesday, October 10, 2000 3:17 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Ethernet Setup Menu 3 is for conﬁguring the Ethernet LAN parameters, including interface type, ﬁlters, DHCP, and IP address information. From the Main Menu, enter 3 to display Menu 3 – Ethernet Setup. There are two submenus: Menu 3.1 – General Setup and Menu 3.2 – TCP/IP and DHCP Setup. Refer to the following sections for descriptions of these submenus.
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Config.fm Page 12 Tuesday, October 10, 2000 3:17 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers DHCP and TCP/IP Setup The router has the capability to act as a DHCP server, allowing it to assign IP, DNS, and Default Gateway addresses to attached PCs or workstations. The assigned Default Gateway address is the LAN address of the router, as set in the TCP/IP section. Each pool address is tested before it is assigned to avoid duplicate addresses on the LAN.
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Config.fm Page 13 Tuesday, October 10, 2000 3:17 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Table 3-6. Menu 3 - Ethernet Setup Menu Fields (continued) Field TCP/IP Setup (continued) RIP Direction RIP Version Router Configuration Description This parameter determines how the router handles RIP (Routing Information Protocol).
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Config.fm Page 14 Tuesday, October 10, 2000 3:17 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Manager Password Setup To change the Manager password: 1. Select option 23 (System Security) from the main menu. 2. Enter 1 to display Menu 23.1 - System Security - Change Password. 3. Enter your previous system password and press [Enter]. 4. Enter your new system password and press [Enter]. 5. Enter your new system password again for conﬁrmation and press [Enter].
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Internet.fm Page 1 Tuesday, October 10, 2000 3:18 PM Chapter 4 Configuration for Internet Access This chapter provides information to help you conﬁgure your Model RT328/RH348 router for Internet access. Information Checklist Use Menu 4 of the Manager to conﬁgure Internet access.
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Internet.fm Page 2 Tuesday, October 10, 2000 3:18 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Internet Access Configuration You can conﬁgure the router for access to an Internet service provider (ISP) using Menu 4, Internet Access Setup. When you complete this menu, the router will automatically add a Remote Node for your ISP in Menu 11, using typical ISP conﬁguration parameters in addition to those you have speciﬁed in Menu 4.
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Internet.fm Page 3 Tuesday, October 10, 2000 3:18 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers 6. Enter your password in the My Password ﬁeld. Enter the password associated with the login name from your ISP. 7. Enter single-user account information in the Single User Account ﬁeld. Refer to“Single IP Address Operation Using NAT” on page 1-13 and “Conﬁguration for Single User Account” on the next page for more information about the Single User Account ﬁeld. The default is No. 8.
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Internet.fm Page 4 Tuesday, October 10, 2000 3:18 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Configuration for Single User Account The Model RT328/RH348 router implements NAT (IP masquerading), allowing the use of a single-user account for Internet access. The steps for conﬁguring your router for single-user Internet access are similar to those for conventional Internet access, with the exception that you need to ﬁll in three extra ﬁelds.
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Nodeconf.fm Page 1 Tuesday, October 10, 2000 3:19 PM Chapter 5 Remote Node Configuration This chapter discusses the protocol-independent parameters used to conﬁgure a remote node. The protocol-dependent (TCP/IP) conﬁguration is covered in a later chapter. A remote node represents both a remote gateway and the network behind it, across an ISDN connection. A remote node is required for placing calls to a remote network or answering calls from a remote network.
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Nodeconf.fm Page 2 Tuesday, October 10, 2000 3:19 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Table 5-1. Menu 11.1 Remote Node Profile Fields Field Description Rem Node Name This field is required. Enter a descriptive name for the remote node (for example, MyOffice). This field supports up to eight characters. This name must be unique from any other remote node name or remote dial-in user name. Active Press the space bar to toggle between Yes and No.
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Nodeconf.fm Page 3 Tuesday, October 10, 2000 3:19 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Table 5-1. Menu 11.1 Remote Node Profile Fields (continued) Field Pri(mary) Phone Number and Sec(ondary) Phone Number Description Both the Primary and Secondary Phone numbers refer to the number that the router dials to connect to the remote node. The router calls the remote node using the Primary Phone number first.
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Nodeconf.fm Page 4 Tuesday, October 10, 2000 3:19 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Table 5-1. Menu 11.1 Remote Node Profile Fields (continued) Field Description Session Options: Output Filter Sets Call Filter Sets In these fields, select which filter set(s) you would like to implement to filter the incoming and outgoing traffic between this remote node and the router. You can choose from 12 different filter sets.
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Nodeconf.fm Page 5 Tuesday, October 10, 2000 3:19 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Table 5-2 lists and describes each ﬁeld in Menu 11.2 - Remote Node PPP Options. Refer to“Bandwidth on Demand” on page 5-6 for further information about related ﬁelds in this menu. Table 5-2. Fields in Menu 11.2 - Remote Node PPP Options Field Description Encapsulation Select CCP (Compression Control Protocol) for the PPP or MP link.
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Nodeconf.fm Page 6 Tuesday, October 10, 2000 3:19 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Bandwidth on Demand The Bandwidth on Demand (BOD) feature allows you to bundle both B channels in one logical connection. The second channel is added and subtracted dynamically according to trafﬁc demand. The router uses the Bandwidth Allocation Control Protocol (BACP) and the Multilink Protocol (MP) in implementing bandwidth on demand.
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Dialin.fm Page 1 Tuesday, October 10, 2000 3:20 PM Chapter 6 Dial-In Configuration You can conﬁgure the router to receive calls from remote dial-in users (for example, telecommuters) and remote nodes. Several differences exist between remote dial-in users and remote nodes: • The router can make calls to or answer calls from the remote node, but the remote dial-in user calls are incoming or callback only.
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Dialin.fm Page 2 Tuesday, October 10, 2000 3:20 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers From the Main Menu, enter 13 to display Menu 13 - Default Dial-in Setup. When you ﬁnish ﬁlling in Menu 13 - Default Dial-in Setup, press [Enter] at the ENTER to Conﬁrm... prompt to save your selections. You can press [Esc] at any time to cancel your selections.
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Dialin.fm Page 3 Tuesday, October 10, 2000 3:20 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Table 6-1. Fields in Menu 13 - Default Dial-in Setup (continued) Field Description Multiple Link Options: Max Trans Rate Enter the maximum data transfer rate between your router and the remote dial-in user in this field. The unit is in Kbps. The two options for this field are: • 64—At most, one B channel is used. • 128—A maximum of two channels can be used (default).
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Dialin.fm Page 4 Tuesday, October 10, 2000 3:20 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Table 6-1. Fields in Menu 13 - Default Dial-in Setup (continued) Field Description Session Options: Input Filter Sets and Output Filter Sets In these fields, you can select the filter set(s) to filter the incoming and outgoing traffic between your router and the remote dial-in user. These filter set(s) apply to all remote dial-in users but not the remote nodes.
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Dialin.fm Page 5 Tuesday, October 10, 2000 3:20 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Table 6-2 lists and describes the ﬁelds in the Edit Dial-in User menu. Table 6-2. Fields in Menu 14.1 - Edit Dial-in User Field Description User Name This field is required and used as the login name for authentication. Choose a descriptive word for login (For example, johndoe). Active You can disallow dial-in access to this user by setting this field to Inactive.
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Dialin.
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Tcpip.fm Page 1 Tuesday, October 10, 2000 3:24 PM Chapter 7 TCP/IP Configuration This chapter describes how to conﬁgure your Model RT328/RH348 router for TCP/IP. Depending on your particular applications, you must conﬁgure different menus. For instance, Internet access is the most common application of TCP/IP. For this application, you should conﬁgure Menu 4. Conﬁgurations for other applications are provided in the following sections.
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Tcpip.fm Page 2 Tuesday, October 10, 2000 3:24 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Remote Node Setup See Chapter 5, “Remote Node Conﬁguration,” for information about using the protocolindependent parameters on Menu 11.1 - Remote Node Proﬁle. Use the ﬁelds described in Table 7-1 to set the protocol-dependent parameters. Note: If you are conﬁguring the router to receive an incoming call, you must also set the default dial-in parameters in Menu 13 (see Chapter 6). Table 7-1.
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Tcpip.fm Page 3 Tuesday, October 10, 2000 3:24 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Table 7-2 lists and describes the ﬁelds for Menu 11.3 - Remote Node Network Layer Options. Table 7-2. Menu 11.3 Remote Node Network Layer Options Fields Field Description Rem IP Address This read-only field shows the IP address you entered for this remote node in the previous menu.
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Tcpip.fm Page 4 Tuesday, October 10, 2000 3:24 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Table 7-2. Menu 11.3 Remote Node Network Layer Options Fields (continued) Field Description RIP: RIP Direction This parameter determines how the router handles RIP (Routing Information Protocol). If set to Both (default), the router broadcasts the routing table of the router on the LAN and incorporates RIP broadcasts by other routers into its routing table.
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Tcpip.fm Page 5 Tuesday, October 10, 2000 3:24 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Table 7-3 lists and describes the ﬁelds for Menu 12.1 - Edit IP Static Route. Table 7-3. Edit IP Static Route Menu Fields Field Description Route Name Enter a descriptive name for this route for identification purposes only. Active This field allows you to activate or deactivate this static route.
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Tcpip.
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Filter.fm Page 1 Tuesday, October 10, 2000 3:25 PM Chapter 8 Filter Configuration This chapter provides information about using ﬁlters and conﬁguring ﬁlters for your Model RT328/RH348 router. The router uses ﬁlters to decide whether to allow passage of a data packet and/or to make a call over the ISDN line. Three types of ﬁlters are involved: incoming data ﬁlters, outgoing data ﬁlters, and call ﬁlters. Data ﬁlters screen the data to determine if the packet should be allowed to pass.
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Filter.fm Page 2 Tuesday, October 10, 2000 3:25 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers For incoming packets, the router applies data ﬁlters only. Packets are processed depending on whether a match is made. The router allows you to customize the ﬁlter sets that you want to use. The following sections describe how to conﬁgure the ﬁlter sets for the router. Router Filter Structure You can conﬁgure up to 12 ﬁlter sets, each with up to six rules.
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Filter.fm Page 3 Tuesday, October 10, 2000 3:25 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers When you press [Enter], Menu 21.1 - Filter Rules Summary is displayed. The information in this menu is read-only; the parameters of each rule that you conﬁgured for that set are displayed. Table 8-1 lists and describes the abbreviations used in Menu 21.1 - Filter Rules Summary. Table 8-1. Abbreviations Used in Menu 21.
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Filter.fm Page 4 Tuesday, October 10, 2000 3:25 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers If the ﬁlter type is GEN (generic), the abbreviations listed in Table 8-3 are used. Table 8-3. Abbreviations Used if Filter Type Is GEN Abbreviation Description Off Offset Len Length To conﬁgure a speciﬁc ﬁlter rule, select the number of the ﬁlter rule (1–6) that you want to conﬁgure and press [Enter] to display Menu 21.1.1 - TCP/IP Filter Rule.
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Filter.fm Page 5 Tuesday, October 10, 2000 3:25 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Table 8-4. TCP/IP Filter Rule Menu Fields Field Descriptions Active In this field, you can make the filter rule active (Yes) or make the filter rule inactive (No). IP Protocol Protocol refers to the IP-specific number of the protocol. The range for the value entered in this field should be between 0 and 255 (for example, 6 refers to the TCP protocol).
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Filter.fm Page 6 Tuesday, October 10, 2000 3:25 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Table 8-4. Field TCP/IP Filter Rule Menu Fields (continued) Descriptions Source (continued): Port # Comp In this field, select the comparison quantifier you want to use to compare to the value given in Source: Port #. There are five options for this field: • None (Default) • Less • Greater • Equal • Not Equal TCP Estab This field is dependent upon the IP Protocol field.
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Filter.fm Page 7 Tuesday, October 10, 2000 3:25 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Generic Filter Rule This section provides information about conﬁguring the protocol-independent parameters for a generic ﬁlter rule for your router. Table 8-5 lists the ﬁelds in the menu. When you complete Menu 21.1.1 - Generic Filter Rule, press [Enter] at the Press ENTER to Conﬁrm... prompt to conﬁrm your selections. Press [Esc] at any time to cancel your selections.
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Filter.fm Page 8 Tuesday, October 10, 2000 3:25 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Table 8-5. Generic Filter Rule Menu Fields (continued) Field Description Log In this field, you can determine if you want to log the results of packets attempting to pass the filter rule. These results are displayed on the System Log (see “View Error Log” on page 9-4). Seven options are available for this field: • None—No packets are logged (default).
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Filter.fm Page 9 Tuesday, October 10, 2000 3:25 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Reducing Unnecessary Calls by Windows 95 One example of when to apply a ﬁlter set is reducing unnecessary calls by Windows® 95. When using Windows 95 with a dial-up ISDN router, you may need to make some conﬁguration changes to avoid having ISDN calls placed unnecessarily.
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Filter.fm Page 10 Tuesday, October 10, 2000 3:25 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers You can wait until an erroneous call is placed, then examine this packet header to determine the source and cause. The IP packet header contains information such as the next-level protocol type (for example, ICMP, TCP, UDP), source and destination addresses, and source and destination port numbers.
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Filter.fm Page 11 Tuesday, October 10, 2000 3:25 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Implementing the Filter Now you can proceed to deﬁne a call ﬁlter to block the three NetBIOS service ports. The Filter Set Conﬁguration Menu is shown in Figure 8-3. To deﬁne a call ﬁlter: 1. Go to Menu 21 - Filter Set Conﬁguration, and choose a name and ﬁlter set.
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Filter.fm Page 12 Tuesday, October 10, 2000 3:25 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers 3. Set “Active” to Yes, and specify the IP Protocol as 17, which is the UDP protocol number (in decimal) from the Assigned Numbers RFC as described on page 8-10. 4. Specify Source Port #137, NetBIOS Naming Service, and set the Port # Comparison ﬁeld to look for port numbers “equal” to 137. For packets that match this comparison, you want to drop the packet, so set Action Matched to “Drop.
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Filter.fm Page 13 Tuesday, October 10, 2000 3:25 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers 5. Deﬁne the next ﬁve rules the same way—one for each combination of the three port numbers and the two protocol types. The last rule, however, will be slightly different. For Action Not Matched, select “Forward.” Any packet that has not matched any of the six rules will be forwarded for routing. When all six rules are deﬁned, Menu 21.1 should appear as it does in Figure 8-5.
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Filter.fm Page 14 Tuesday, October 10, 2000 3:25 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Applying the Filter When the ﬁlter design is ﬁnished, you must tell the router where to apply the ﬁlter. Apply it as a Call Filter in the remote node that reaches your DNS server(s) (usually your ISP node). Go to Menu 11.1, Remote Node Proﬁle, and enter the number of the ﬁlter under “Call Filter Sets” as shown in Figure 8-6.
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Sysmaint.fm Page 1 Tuesday, October 10, 2000 3:26 PM Chapter 9 System Maintenance The Model RT328/RH348 router provides diagnostic tools for maintenance. These diagnostic tools include displays of system status, ISDN B channel status, log and trace capabilities, and upgrades to the system software. This chapter describes the use of these tools. System Status The System Maintenance Status Menu (Menu 24.1) allows the user to monitor the operation of the router.
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Sysmaint.fm Page 2 Tuesday, October 10, 2000 3:26 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Table 9-2 lists the ﬁelds for Menu 24.1 - System Maintenance Status. These ﬁelds are read-only ﬁelds. Table 9-2. System Maintenance Status Menu Fields Field Description ISDN: This field displays the statistics for B1 and B2 channels.
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Sysmaint.fm Page 3 Tuesday, October 10, 2000 3:26 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Table 9-2. System Maintenance Status Menu Fields (continued) Field Description Country Code This field displays the one-byte country code value (in decimal notation). For example, 255 indicates North America. LAN Packet Which Triggered Last Call This field displays the first 48 octets of the LAN packet that triggered the last outgoing call.
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Sysmaint.fm Page 4 Tuesday, October 10, 2000 3:26 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Log and Trace Log and trace tools allow the user to view the error logs and trace records in order to troubleshoot any errors that may occur. The router can also generate system logs (syslogs) to send to other machines. Enter 24 to display Menu 24 - System Maintenance. Enter 3 to select the Log and Trace option and display Menu 24.3 - System Maintenance - Log and Trace.
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Sysmaint.fm Page 5 Tuesday, October 10, 2000 3:26 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers You must conﬁgure the parameters to activate syslog (Table 9-4). Table 9-4. System Maintenance - Syslog and Accounting Menu Fields Field Command Description Active Press the space bar to toggle between yes and no. The syslog option is turned on or off. Syslog IP Address Enter the address in dotted-decimal This field is the IP address location to notation such as a.b.c.
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Sysmaint.fm Page 6 Tuesday, October 10, 2000 3:26 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Diagnostic Menu The diagnostic menu allows you to test several functions of your router. From the Main Menu, enter 24 to display Menu 24 - System Maintenance. Enter 4 to display Menu 24.4 - System Maintenance - Diagnostic.
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Sysmaint.fm Page 7 Tuesday, October 10, 2000 3:26 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Figure 9-2 illustrates an example of a trace display for a successful call when using a TCP/IP protocol connection. Start dialing for node <1> ### Hit any key to continue.### Dialing chan<2> phone(last 9—digit):40101 Call CONNECT speed<64000> chan<2> prot<1> LCP up CHAP send response CHAP login to remote OK! IPCP negotiation started IPCP up Figure 9-2.
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Sysmaint.fm Page 8 Tuesday, October 10, 2000 3:26 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers System Tools Enter 21 to select Reboot System. Your system is rebooted, implementing any changes that may have been recently added to your system. Enter 22 to select Command Interpreter Mode. This option changes the Manager interface on your router from the screen-based mode to a command line mode.
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Sysmaint.fm Page 9 Tuesday, October 10, 2000 3:26 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Software Update Software updates are possible only through the serial cable connection. You cannot use the Telnet Protocol to update the software version of your router. Your serial communications software must have the ability to transfer data using the XMODEM Protocol. Caution: This procedure deletes the existing software before installing the new software.
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Sysmaint.fm Page 10 Tuesday, October 10, 2000 3:26 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Call Control The Model RT328/RH348 router provides call control management functions for the remote node and remote dial-in user. These functions are budget management, blacklist, and call history, which are on the Call Control menu. Select option 9 from Menu 24 to display the Call Control menu.
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Sysmaint.fm Page 11 Tuesday, October 10, 2000 3:26 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Call History The call history function displays statistics of data calls to or from up to the ﬁrst 10 phone numbers seen. The following statistics are shown: • Phone number • Direction (incoming or outgoing) • Data rate • Number of calls • Call time (maximum, minimum, and total) This information is erased when the router is reset.
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Trouble.fm Page 1 Tuesday, October 10, 2000 3:27 PM Chapter 10 Troubleshooting This chapter gives information about troubleshooting your Model RT328/RH348 router. After each problem description, instructions are provided to help you diagnose and solve the problem. Basic Functioning After you turn on power to the router, the PWR LED lights. If the PWR LED does not light, refer to the next section, “LEDS.” After the PWR LED lights, the router performs a self-test for 10 seconds.
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Trouble.fm Page 2 Tuesday, October 10, 2000 3:27 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Test LED When the router has been turned on for about 10 seconds, the Test LED blinks at a rate of about 0.5 Hz. If the Test LED does not blink, or if it stops blinking, there is a fault within the router. Cycle the power and see if it recovers. If the error persists, you might have a hardware problem and should contact technical support.
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Trouble.fm Page 3 Tuesday, October 10, 2000 3:27 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers The following two sections explain how to examine the ISDN initialization results and how to perform an ISDN loopback test to verify operation with the phone company.
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Trouble.fm Page 4 Tuesday, October 10, 2000 3:27 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Troubleshooting a TCP/IP Network Using a Ping Utility Most TCP/IP terminal devices and routers contain a ping utility that sends an echo request packet to the designated device. The device then responds with an echo reply. Troubleshooting a TCP/IP network is made very easy by using the ping utility in the built-in Manager interface (Menu 24.4) or in your PC or workstation.
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Trouble.fm Page 5 Tuesday, October 10, 2000 3:27 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Testing the Path from Your PC to a Remote Device After verifying that the LAN path works correctly, test the path from your PC to a remote device. From the Windows run menu, type PING -n 10 followed by the IP address of the remote device you are calling. If the path is functioning correctly, the B1 or B2 LED on the router should turn on, indicating that a call is being placed.
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Trouble.fm Page 6 Tuesday, October 10, 2000 3:27 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers • Verify your IP address in Menu 3.2 and verify the following parameters in Menu 11: – My Login – My Password – Rem IP Addr If the call is connected but quickly terminated, it indicates the possibility of a negotiation problem. • Check the error log in Menu 24.3.1, which usually provides some indication of why the call was dropped.
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Trouble.fm Page 7 Tuesday, October 10, 2000 3:27 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Troubleshooting the Manager Interface Refer to the following instructions if you cannot access the Manager interface by the serial port or by using the Telnet Protocol. If you cannot access the Manager interface by the serial port, follow these instructions: • Verify that the router is connected to the serial port of your terminal or computer using the included cable.
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Trouble.fm Page 8 Tuesday, October 10, 2000 3:27 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers To upload romﬁle0, you must enter the BootModule debug mode with a serial connection to the Manager port: 1. While monitoring the serial port, turn on the router. Wait for the following message: Press Any key to enter Debug Mode within 3 seconds... 2. Press any key and wait for the following message: Enter Debug Mode 3.
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Appaspec.fm Page 1 Tuesday, October 10, 2000 3:28 PM Appendix A Technical Specifications This appendix provides technical speciﬁcations for the Model RT328/RH348 router.
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Appaspec.fm Page 2 Tuesday, October 10, 2000 3:28 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Power Adapter North America: 120V, 60 Hz, input United Kingdom: 240V, 50 Hz, input Europe: 230V, 50 Hz, input Japan: 100V, 50/60 Hz, input All regions (output): 16 V AC @ 1A output, 22W maximum Physical Specifications Dimensions: 253 by 181 by 35 mm 9.95 by 7.1 by 1.4 in. Weight: 1.1 kg 2.5 lb.
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Appbisdn.fm Page 1 Tuesday, October 10, 2000 3:29 PM Appendix B Ordering ISDN Lines Use the information in this section to order your ISDN line. If you have already installed your ISDN line, you can check the following information to make sure that you can use all the features of your Model RT328/RH348 router. Ordering the Line To order your ISDN line: 1. Contact the ISDN Ordering Center of your local telephone company to ﬁnd out what type of ISDN service is available. 2.
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Appbisdn.fm Page 2 Tuesday, October 10, 2000 3:29 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Table B-1 summarizes the different switch types supported by your router and the related information about the switch types (number of phone numbers and SPID numbers). The information in this table refers to a “common” case and is recommended for such a case. However, exceptions still exist to these ﬁgures.
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Appbisdn.fm Page 3 Tuesday, October 10, 2000 3:29 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Table B-2.
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Appbisdn.fm Page 4 Tuesday, October 10, 2000 3:29 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Table B-4 lists the provisioning features and settings for Point-to-Point ISDN services when using the AT&T 5ESS switch. Table B-4.
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Appbisdn.fm Page 5 Tuesday, October 10, 2000 3:29 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Table B-5.
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Appccode.fm Page 1 Tuesday, October 10, 2000 3:30 PM Appendix C ISDN Clearing Codes This appendix provides information about the ISDN call clearing codes returned by the network when you use your Model RT328/RH348 router. These codes may vary depending on your service provider. Clearing Codes Table C-1 lists the ISDN call clearing codes. Table C-1.
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Appccode.fm Page 2 Tuesday, October 10, 2000 3:30 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Table C-1.
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Appdtool.fm Page 1 Tuesday, October 10, 2000 3:31 PM Appendix D Using the Protocol Analyzer and Trace Tools This appendix describes the steps for using the advanced internal diagnostic tools of the Model RT328/RH348 router. These tools can be used to troubleshoot ISDN and PPP connection problems. Several basic tests can be found in the menus of the internal Manager interface, while the more advanced protocol and packet trace tools are accessible from the command line interface.
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Appdtool.fm Page 2 Tuesday, October 10, 2000 3:31 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers ISDN Protocol Analyzer An ISDN call connection failure can be diagnosed using the ISDN embedded protocol analyzer (EPA) of the Model RT328/RH348 router. The EPA executes from the command line interface within the internal Manager. You must ﬁrst connect to the router using the serial Manager port. The EPA will not operate by Telnet. To invoke the EPA: 1.
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Appdtool.fm Page 3 Tuesday, October 10, 2000 3:31 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers -----Start Isdn Protocol Analyzer Display----Start of buffer 00:00:11.52 4 bytes LAPD D NT C SAPI=0 TEI=97 RR P/F=1 NR=6 00:00:11.53 4 bytes LAPD D TE R SAPI=0 TEI=97 RR P/F=1 NR=7 00:00:12.62 38 bytes LAPD D TE C SAPI=0 TEI=97 INFO P=0 NR=7 NS=6 34 bytes Northern American Orig CR=0X03 PD=Q.
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Appdtool.fm Page 4 Tuesday, October 10, 2000 3:31 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers 1 00110100 INFORMATION ELEMENT : SIGNAL 2 00000001 IE length : 1 octets 3 00000001 Signal value : ring back tone on 00:00:13.42 00:00:13.44 1 4 bytes LAPD D TE R SAPI=0 TEI=97 RR 11 bytes LAPD D NT C SAPI=0 TEI=97 INFO 7 bytes Northern American Dest CR=0X03 PD=Q.
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Appdtool.fm Page 5 Tuesday, October 10, 2000 3:31 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Packet Tracing You can diagnose PPP connection failures using the packet trace feature of the Model RT328/ RH348 router. To invoke the packet trace: 1. Access the internal Manager of the router using a serial or Telnet terminal connection. 2.
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Appdtool.fm Page 6 Tuesday, October 10, 2000 3:31 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers rt328> sys trcl cl Program Trace Switch OFF rt328> sys trcl sw on rt328> sys trcp sw on rt328> isdn dial 1 Start dialing for node<1> Dialing chan<1> phone(last 9-digit):40201 ### Hit any key to continue.
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Appdtool.fm Page 8 Tuesday, October 10, 2000 3:31 PM Reference Guide for the Model RT328 and Model RH348 ISDN Routers Packet Trace Display Format Data packets are time stamped and displayed up to the ﬁrst 32 bytes. PPP message packets are summarized, but their contents are not displayed.
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Glossary.fm Page 1 Tuesday, October 10, 2000 3:32 PM Glossary 10BASE-T IEEE 802.3 speciﬁcation for 10 Mbps Ethernet over twisted pair wiring. AUI See attachment unit interface. attachment unit interface A 15-pin connector for attaching an Ethernet transceiver. B channel A 64 Kbps “Bearer” channel used to carry voice or data over the ISDN network. BACP See Bandwidth Allocation Control Protocol. BRI See Basic Rate Interface.
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Glossary.fm Page 2 Tuesday, October 10, 2000 3:32 PM Reference Guide for the Model RT328 ISDN Router 2 D channel A 16 Kbps channel used for signaling between the ISDN interface and the ISDN network. This channel controls call setup and tear down. DHCP See Dynamic Host Conﬁguration Protocol. DOSBS See Data Over Speech Bearer Service. DOVBS Also known as DOSBS. See Data Over Speech Bearer Service.
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Glossary.fm Page 3 Tuesday, October 10, 2000 3:32 PM Reference Guide for the Model RT328 ISDN Router MRU See Maximum Receive Unit. MSN See Multiple Subscriber Numbering. masquerading A technique by which several hosts share a single IP address for access to the Internet. This process is an extension of Network Address Translator (NAT). See also Network Address Translator. Maximum Receive Unit The size in bytes of the largest packet that can be sent or received.
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Glossary.fm Page 4 Tuesday, October 10, 2000 3:32 PM Reference Guide for the Model RT328 ISDN Router 4 PPP See Point-to-Point Protocol. PSTN Public Switched Telephone Network. Password Authentication Protocol A method of enabling security on PPP links. When the link is established, a password is sent by the caller. See Challenge Handshake Authentication Protocol. Plain Old Telephone Service The standard analog phone system.
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RH348IX.fm Page 2 Tuesday, October 10, 2000 3:33 PM D data over voice bearer service call, 3-7, 4-3, 5-3 Default Dial-in Setup menu, 6-2 Destination ﬁeld, TCP/IP Filter Rule menu, 8-5 Destination IP Address ﬁeld, Edit IP Static Route menu, 7-5 DHCP, 1-4, 1-15 DHCP Setup ﬁeld, Ethernet Setup menu, 3-12 Diagnostic menu, 9-6 Dial Preﬁx ﬁeld, ISDN Setup menu, 3-9 Dial-in User Setup menu, 6-4, 6-5 dial-in users, 6-1 domain name server, using, 1-14 DSS1, 3-9 dynamic NAT.
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