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NETGEAR RM356 - Router - EN Reference Manual

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Reference Guide for the
Model RM356 Modem
Router
NETGEAR, Inc.
A Bay Networks Company
4401 Great America Parkway
Santa Clara, CA 95054 USA
Phone 800-211-2069
M-RM356NA-0
July 1998

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Summary of Contents for NETGEAR RM356 - Router - EN

  • Page 1 Reference Guide for the Model RM356 Modem Router NETGEAR, Inc. A Bay Networks Company 4401 Great America Parkway Santa Clara, CA 95054 USA Phone 800-211-2069 M-RM356NA-0 July 1998...
  • Page 2 EN 55 022 Declaration of Conformance This is to certify that the Model RM356 Modem Router is shielded against the generation of radio interference in accordance with the application of Council Directive 89/336/EEC, Article 4a. Conformity is declared by the application...

  • Page 3: Customer Support

    Serie auf die Erfüllung der Vorschriften hin zu überprüfen. Certificate of the Manufacturer/Importer It is hereby certified that the Model RM356 Modem Router has been suppressed in accordance with the conditions set out in the BMPT-AmtsblVfg 243/1991 and Vfg 46/1992. The operation of some equipment (for example, test transmitters) in accordance with the regulations may, however, be subject to certain restrictions.

  • Page 4: World Wide Web

    World Wide Web NETGEAR maintains a World Wide Web Home Page that you can access at the universal resource locator (URL) http://NETGEAR.baynetworks.com. A direct connection to the Internet and a Web browser such as Internet Explorer or Netscape are required.

  • Page 5: Table Of Contents

    Preface Purpose ... xv Audience ... xv Conventions ...xvi Special Message Formats ...xvi Use of Enter, Type, and Press ...xvi Other Conventions ...xvii Related Publications ...xvii Chapter 1 Introduction About the Router ...1-1 Features ...1-1 Key Features ...1-2 V.90 Support ...1-3 TCP/IP Support ...1-3 IP Address Masquerading by Dynamic NAT+ ...1-3 Automatic Configuration of Attached PCs by DHCP ...1-3...
  • Page 6 Private IP Addresses ...1-11 Single IP Address Operation Using NAT ...1-12 Address Resolution Protocol ...1-13 Domain Name Server ...1-13 IP Configuration by DHCP ...1-14 Chapter 2 Router Installation and Connection Package Contents ...2-1 Checklists ...2-2 Telephone Line Checklist ...2-2 ISP Checklist ...2-2 Single-User Account ...2-3 LAN Account ...2-3 Account Information ...2-3...
  • Page 7 Ethernet Menu ...3-9 General Setup Menu ...3-9 DHCP and TCP/IP Setup ...3-10 Manager Password Setup ...3-12 Chapter 4 Configuration for Internet Access Information Checklist ...4-1 Internet Access Configuration ...4-2 Configuration for Single-User Account ...4-3 Backup ISP Accounts ...4-4 Configuring for a Backup ISP ...4-4 Switching to a Backup ISP ...4-4 Chapter 5 Remote Node Configuration...
  • Page 8 Applying a Filter Set ...8-8 Reducing Unnecessary Calls by Windows 95 ...8-9 Diagnosing the Situation ...8-9 Implementing the Filter ...8-11 Applying the Filter ...8-14 Chapter 9 System Maintenance System Status ...9-1 Terminal Baud Rate ...9-3 Log and Trace ...9-3 View Error Log ...9-4 Syslog and Accounting ...9-4 Diagnostic Menu ...9-6 Call Testing and TCP/IP Tools ...9-7...
  • Page 9 Troubleshooting the Manager Interface ...10-5 Restoring the Default Configuration and Password ...10-6 Using the Packet and Log Trace ...10-7 Packet Trace Display Format ...10-8 Appendix A Technical Specifications Index Contents...
  • Page 10 Contents...
  • Page 11 Example of Subnetting a Class B Address ...1-9 Figure 1-3. Single IP Address Operation Using NAT ...1-12 Figure 2-1. Front Panel of the Model RM356 Modem Router ...2-5 Figure 2-2. Rear Panel of the Model RM356 Modem Router ...2-7 Figure 3-1.
  • Page 12 Figures...
  • Page 13 Table 1-1. Netmask Notation Translation Table for One Octet ...1-10 Table 1-2. Netmask Formats ...1-11 Table 2-1. LED Descriptions ...2-6 Table 3-1. Manager Menu Commands ...3-3 Table 3-2. Manager Menu Summary ...3-5 Table 3-3. MODEM Setup Menu Parameters ...3-7 Table 3-4. Advanced MODEM Setup Menu Field Descriptions ...3-8 Table 3-5.
  • Page 14 Table 9-1. System Maintenance Status Menu Fields ...9-1 Table 9-2. System Maintenance Status Menu Fields ...9-2 Table 9-3. System Maintenance - Log and Trace Menu Fields ...9-4 Table 9-4. System Maintenance - Syslog and Accounting Menu Fields ...9-5 Table 9-5. System Maintenance - Diagnostic Menu Fields ...9-6 Tables...

  • Page 15: Preface

    The Model RM356 Modem Router integrates a 4-port hub and one high-speed 56K internal modem into a single package. In a modem-sized box, your Model RM356 router offers a complete internetworking solution for your home or branch office. The Model RM356 router is ideal for browsing the Internet, receiving calls from remote dial-in users, or making LAN-to-LAN connections to remote nodes.

  • Page 16: Conventions

    Reference Guide for the Model RM356 Modem Router 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.

  • Page 17: Other Conventions

    Related Publications For more information about configuring the Model RM356 Modem Router using FirstGear configuration software, refer to Getting Started Using FirstGear for the Model RM356 Modem Router (part number M1-RM356NA-0). 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, which are published by the Internet Engineering Task Force (IETF).

  • Page 19: Introduction

    LAN port. The internal 56K modem in the Model RM356 router allows downstream data rates of up to 56 Kbps from your Internet service provider (ISP) and upstream rates of up to 33.6 Kbps.

  • Page 20: Key Features

    Reference Guide for the Model RM356 Modem Router Key Features The Model RM356 Modem Router provides the following features: • Internal high-speed analog modem – V.90 standard 56K modem operation to provide up to 56 Kbps downstream data rate from your ISP •...

  • Page 21: V.90 Support

    Free technical support seven days a week, twenty-four hours a day V.90 Support The Model RM356 router is designed to take advantage of the V.90 standard for transmission of data over analog telephone networks. One advantage of using a dial-up modem interface to connect routers is that the connection is set up only if data needs to be sent to the remote network.

  • Page 22: Security

    Reference Guide for the Model RM356 Modem Router Security The Model RM356 Modem Router is equipped with several features designed to maintain security. These security features are described in this section. Calling Line Identification The use of Calling Line Identification (CLID or Caller ID) ensures that incoming calling numbers are checked against known numbers before a call is answered and access is granted, thus providing a first level of security.

  • Page 23: Basic Router Concepts

    Using this information, it chooses the best path for forwarding network traffic. Routers vary in performance and scale, number of routing protocols supported, and types of physical WAN connections supported. The Model RM356 Modem Router is a small office router that routes the IP protocol over a dial-up telephone connection.

  • Page 24: Ip Addresses And The Internet

    RIP environment. To prevent this convergence process from being excessively long, RIP is limited to 15 hops maximum. The Model RM356 Modem Router supports both the older RIP-1 and the newer RIP-2 protocols. Among other improvements, RIP-2 supports subnetting and multicasting.
  • Page 25 8 bits for the node. They are in this range: 192.0.1.x to 223.255.254.x. Class D addresses are used for multicasts (messages sent to many hosts). Class D addresses are in this range: 224.0.0.0 to 239.255.255.255. Introduction Reference Guide for the Model RM356 Modem Router Node Node Node 7261...

  • Page 26: Netmask

    Reference Guide for the Model RM356 Modem Router 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.

  • Page 27: Subnet Addressing

    Reference Guide for the Model RM356 Modem Router 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.
  • Page 28 Reference Guide for the Model RM356 Modem Router 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.

  • Page 29: Private Ip Addresses

    IP addresses specifically for private networks: 10.0.0.0 - 10.255.255.255 172.16.0.0 - 172.31.255.255 192.168.0.0 - 192.168.255.255 NETGEAR recommends that you choose your private network number from this list. Introduction Reference Guide for the Model RM356 Modem Router 1-11...

  • Page 30: Single Ip Address Operation Using Nat

    The Model RM356 Modem Router employs a method called extended NAT. This method allows an entire department of networked PCs to share an Internet account using only a single IP address, which may be statically or dynamically assigned by your ISP.

  • Page 31: Address Resolution Protocol

    Reference Guide for the Model RM356 Modem Router 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.

  • Page 32: Ip Configuration By Dhcp

    Configuration Protocol (DHCP) server. A DHCP server stores a list or pool of IP addresses, along with other information (such as gateway and DNS addresses) that it may assign to the other devices on the network. The Model RM356 Modem Router has the capacity to act as a DHCP server.

  • Page 33: Router Installation And Connection

    This chapter provides instructions for installing the Model RM356 Modem Router and connecting to the built-in interface through a serial or Telnet connection. Package Contents The product package should contain the following items: • Model RM356 Modem Router • AC power adapter, 16 V AC output •...

  • Page 34: Checklists

    After your network is correctly configured and all requirements as defined by the following checklists are met, you are ready to configure and install your router. Telephone Line Checklist The Model RM356 Modem Router connects to the Public Switched Telephone Network (PSTN) using a standard analog voice line. •...

  • Page 35: Single-User Account

    A local phone number for accessing the ISP • A login name • A password • IP address(es) unless they are to be dynamically assigned • IP addresses of the ISP’s Domain Name Servers (DNS) Router Installation and Connection Reference Guide for the Model RM356 Modem Router...

  • Page 36: Network Checklist

    Reference Guide for the Model RM356 Modem Router Network Checklist The Model RM356 Modem Router uses the Internet Protocol (IP). The IP configuration has the following requirements: • All host devices must have TCP/IP installed and selected as the networking protocol.

  • Page 37: Connecting The Router

    Connecting the Router The front panel of the Model RM356 Modem Router, as illustrated in LEDs. Refer to the illustration to locate the LEDs and to Table 2-1 for descriptions. You can use some of the LEDs to verify connections.
  • Page 38 Reference Guide for the Model RM356 Modem Router 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 PWR (Power) TEST Blinking/Off COL (Collision)

  • Page 39: Connecting The Serial Cable (Optional)

    The rear panel of the Model RM356 Modem Router is shown in to identify all of the ports on the router when you attempt to make any connections. 16VAC Key: 1 = AC adapter outlet for connecting the AC adapter to the router...

  • Page 40: Connecting To The Hub Ports

    PCs and workstations. Connections are made using standard straight-through UTP cables like the one included with your router. The hub of the Model RM356 Modem Router may be connected to another hub using the uplink port on the hub to which you are connecting or by using a crossover cable to a normal port.

  • Page 41: Connecting For Configuration

    After the serial session is opened, refer to information about the different methods of configuring your router and for configuration instructions. Router Installation and Connection Reference Guide for the Model RM356 Modem Router Chapter 3, “Router provides HyperTerminal with Windows 95. Be sure to set the ®...

  • Page 42: Connecting Through A Telnet Connection

    Reference Guide for the Model RM356 Modem Router Connecting Through a Telnet Connection You can access the built-in Manager interface by a Telnet call from any TCP/IP workstation on the LAN or the remote network. In order to use the Telnet Protocol, you must know the current IP address of the router.

  • Page 43: Router Configuration

    This chapter contains information about configuring your Model RM356 Modem 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.

  • Page 44: Powering On The Router

    Reference Guide for the Model RM356 Modem Router Powering on the Router When you turn power on to the router, several internal tests are performed by the router. After the initialization, the start-up display appears, as illustrated in ethernet address: 00:a0:c5:e0:23:cc Wan port init ...

  • Page 45: Navigating The Manager

    Press [Enter] when prompted to press ENTER to confirm or ESC to cancel. In most cases, saving the data on the screen takes you to the previous menu. Router Configuration Reference Guide for the Model RM356 Modem Router Table 3-1 lists and describes the...
  • Page 46 Reference Guide for the Model RM356 Modem Router The Manager Main Menu is illustrated in Getting Started 1. General Setup 2. MODEM Setup 3. Ethernet Setup 4. Internet Access Setup Advanced Applications 11. Remote Node Setup 12. Static Routing Setup 13.

  • Page 47: Manager Menu Summary

    Filter Set Configuration This menu is accessed to set up filters to be used in Menu 3 and System Password System Maintenance Exit Router Configuration Reference Guide for the Model RM356 Modem Router Description This menu is accessed to set up general information (router name, for example). This menu is accessed to set up modem port configuration.

  • Page 48: General Setup Menu

    Enter the system name in the System Name field of the menu. For identification purposes, choose a descriptive name for the router, such as RM356 or NewYork. The name should be no more than 8 alphanumeric characters. Spaces are not allowed, but dashes ( - ) and underscores ( _ ) are accepted.

  • Page 49: Modem Menus

    Yes, and press [Enter]. This step will bring you to Menu 2.1 - Advanced MODEM Setup. Router Configuration Reference Guide for the Model RM356 Modem Router Table 3-1 Table 3-2 to display the MODEM Setup...

  • Page 50: Advanced Modem Setup Menu

    Reference Guide for the Model RM356 Modem Router Advanced MODEM Setup Menu Use the commands described in you finish entering the information for all the fields: • Press [Enter] at the Press ENTER to Confirm prompt to save your selections.

  • Page 51: Ethernet Menu

    Input and Output Filter Enter the filter set number(s) to apply a filter to packets received from the LAN Sets (Input) or sent to the LAN (Output). Router Configuration Reference Guide for the Model RM356 Modem Router Table 3-1 page 3-3...

  • Page 52: Dhcp And Tcp/Ip Setup

    Reference Guide for the Model RM356 Modem Router 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.
  • Page 53 RIP propagate the routing information automatically This field determines which version of RIP (Routing Information Protocol) will be used by the router. The following RIP options are supported by the Model RM356 Modem Router: • RIP-1—The router will accept and send RIP-1 messages only.

  • Page 54: Manager Password Setup

    Reference Guide for the Model RM356 Modem Router Manager Password Setup To change the Manager password: Select option 23 (System Password) from the main menu to display Menu 23 - System Password. Enter your previous system password and press [Enter].

  • Page 55: Configuration For Internet Access

    This chapter provides information to help you configure your Model RM356 Modem Router for Internet access. Information Checklist Use Menu 4 of the Manager to configure Internet access. Before you configure the router for Internet access, make sure your ISP (Internet service provider) provides you with the following information: •...

  • Page 56: Internet Access Configuration

    Reference Guide for the Model RM356 Modem Router 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.

  • Page 57: Configuration For Single-User Account

    Configuration for Single-User Account The Model RM356 Modem 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.

  • Page 58: Backup Isp Accounts

    Reference Guide for the Model RM356 Modem Router • Single User Account: Server IP Addr If you want to make your local server (for example, a Web server) accessible to outside users, enter the IP address of that server here. Incoming packets with destination port numbers not handled by the router will be forwarded to this server address.

  • Page 59: 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 a wide-area network (WAN) connection. A remote node is required for placing calls to a remote network or answering calls from a remote network.
  • Page 60 Reference Guide for the Model RM356 Modem Router 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.
  • Page 61 Administrative packets such as RIP are not counted as data. The default is 300 seconds (5 minutes). Remote Node Configuration Reference Guide for the Model RM356 Modem Router page 5-4. Chapter 7, “TCP/IP Configuration.”...

  • Page 62: Editing Ppp Options

    Reference Guide for the Model RM356 Modem Router Editing PPP Options To edit PPP options: Select Yes in the Edit PPP Options field of Submenu 11.1 - Remote Node Profile. Press [Enter] to display Menu 11.2 Remote Node PPP Options.

  • Page 63: Editing Script Options

    Editing Script Options Some ISPs require login script handshaking during a call connection. The Model RM356 Modem Router provides six sets of programming scripts for this purpose. Each set of scripts is composed of an Expect string and a Send string. After capturing and verifying the string in the Expect field, the router will send out the string in the Send field.

  • Page 65: 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.
  • Page 66 Reference Guide for the Model RM356 Modem Router Table 6-1 lists and describes the fields in the Default Dial-in Setup menu and explains how to configure the protocol-independent fields in this menu. Table 6-1. Fields in Menu 13 - Default Dial-in Setup...

  • Page 67: Dial-In User Setup

    To edit user parameters, select one of the eight users to go to the Edit Dial-in User menu. Dial-In Configuration Reference Guide for the Model RM356 Modem Router Description If this field is set to Yes, the router allows a remote host to specify its own IP address.
  • Page 68 Reference Guide for the Model RM356 Modem Router When you have completed filling in Menu 14.1 - Edit Dial-in User, press [Enter] at the Press ENTER to Confirm... prompt to save your selections. You can press [Esc] at any time to cancel your selections.

  • Page 69: More On Clid

    Reference Guide for the Model RM356 Modem Router More On CLID CLID allows the Model RM356 Modem Router to authenticate a caller before a call is answered, thus saving the cost of a connection. The router uses the caller ID information provided by the telephone company during call setup to match against the CLID in the database.

  • Page 71: Tcp/Ip Configuration

    This chapter describes how to configure your Model RM356 Modem 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.

  • Page 72: Remote Node Setup

    Reference Guide for the Model RM356 Modem Router Remote Node Setup Chapter 5, “Remote Node independent 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 Table 7-1.
  • Page 73 If set to Yes, this route is kept private and not included in any RIP broadcast. If set to No, the route to this remote node is propagated to other hosts through RIP broadcasts. TCP/IP Configuration Reference Guide for the Model RM356 Modem Router “Single IP Address Operation Using NAT” on page 1-12...

  • Page 74: Static Route Setup

    RIP Version This field determines which version of RIP (Routing Information Protocol) will be used by the router. The following RIP options are supported by the Model RM356 Modem Router: • RIP-1—The router will accept and send RIP-1 messages only.
  • Page 75 RIP broadcasts. If set to Yes, this route is kept private and not included in any RIP broadcast. If set to No, the route to this remote node is propagated to other hosts through RIP broadcasts. TCP/IP Configuration Reference Guide for the Model RM356 Modem Router “Subnet Addressing” on page...

  • Page 77: Filter Configuration

    The Model RM356 Modem Router has default call filters that filter out administrative packets (for example, RIP packets). The router applies the default filters first and then, if applicable, applies the...

  • Page 78: Router Filter Structure

    Reference Guide for the Model RM356 Modem Router 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.
  • Page 79 Abbreviations Used if Filter Type Is IP Abbreviation Description Protocol Source address Source port number Destination address Destination port number Filter Configuration Reference Guide for the Model RM356 Modem Router “Configuring a Filter Rule,” on page 8-4. Table 8-2 are used.

  • Page 80: Configuring A Filter Rule

    Reference Guide for the Model RM356 Modem Router If the filter type is GEN (generic), the abbreviations listed in Table 8-3. Abbreviations Used if Filter Type Is GEN Abbreviation Description Offset 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.
  • Page 81 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 Filter Configuration Reference Guide for the Model RM356 Modem Router...
  • Page 82 Reference Guide for the Model RM356 Modem Router Table 8-4. TCP/IP Filter Rule Menu Fields (continued) Field Description TCP Estab This field is dependent upon the IP Protocol field. This field is inactive (N/A) unless the value in that field is 6 (TCP protocol). In this field, you determine what type of TCP packets to filter.

  • Page 83: Generic Filter Rule

    • No (Default) If Yes is selected for this field, Action Matched and Action Not Matched will be N/A. Filter Configuration Reference Guide for the Model RM356 Modem Router Table 8-5 lists the fields in the menu. When you complete...

  • Page 84: Applying A Filter Set

    Reference Guide for the Model RM356 Modem Router Table 8-5. Generic Filter Rule Menu Fields (continued) Field Description 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”...

  • Page 85: Reducing Unnecessary Calls By Windows 95

    WINS or DNS server on the local network, using an LMHOSTS file to store addresses of local hosts, or turning off NetBIOS name resolution by DNS. A simpler method is to filter NetBIOS traffic using the filtering capabilities of your Model RM356 Modem Router. Diagnosing the Situation If you already know the source or types of packets that are causing the problem, you can proceed directly to the design of the filter.
  • Page 86 Reference Guide for the Model RM356 Modem Router 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.

  • Page 87: Implementing The Filter

    Each filter set contains six rules, so you will fill one entire set. Begin with rule 1, as illustrated in Figure Filter Configuration Reference Guide for the Model RM356 Modem Router Filter Set # Comments ------...
  • Page 88 Reference Guide for the Model RM356 Modem Router 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. Specify Source Port #137, NetBIOS Naming Service, and set the Port # Comparison field to look for port numbers “equal”...
  • Page 89 Pr= 6, SA=0.0.0.0, SP=139, DA=0.0.0.0 Enter Filter Rule Number (1-6) to Configure: Figure 8-5. Filter Rules Summary Menu Filter Configuration Reference Guide for the Model RM356 Modem Router Menu 21.1 - Filter Rules Summary Filter Rules Figure 8-5. As a visual...

  • Page 90: Applying The Filter

    Reference Guide for the Model RM356 Modem Router 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”...

  • Page 91: System Maintenance

    The Model RM356 Modem Router provides diagnostic tools for maintenance. These diagnostic tools include displays of system status, modem 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...
  • Page 92 Reference Guide for the Model RM356 Modem Router 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 Port: This field displays the WAN port number (1). For each channel the screen displays:...

  • Page 93: Terminal Baud Rate

    Enter 24 to display Menu 24 - System Maintenance. Enter 3 to select the Log and Trace option and to display Menu 24.3 - System Maintenance - Log and Trace. System Maintenance Reference Guide for the Model RM356 Modem Router...

  • Page 94: View Error Log

    Reference Guide for the Model RM356 Modem Router Table 9-3 lists the fields and commands for Menu 24.3 - System Maintenance - Log and Trace. Table 9-3. System Maintenance - Log and Trace Menu Fields Command Field Enter 1 View Error Log...
  • Page 95 Session Information Messages: line 1, channel 1, call 41, I01, IPCP up, 306L line 1, channel 1, call 41, I01, IPCP down, 306L System Maintenance Reference Guide for the Model RM356 Modem Router (Table 9-4). Description The syslog option is turned on or off.

  • Page 96: Diagnostic Menu

    Reference Guide for the Model RM356 Modem Router 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.

  • Page 97: Call Testing And Tcp/Ip Tools

    IPCP up Figure 9-2. Trace Display for a Successful TCP/IP Protocol Connection System Maintenance Reference Guide for the Model RM356 Modem Router Description This option reboots the system, implementing any changes that may have been recently added to your system.

  • Page 98: System Tools

    Reference Guide for the Model RM356 Modem Router Figure 9-3 shows an example of a trace display for a failed 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>...

  • Page 99: Back Up Configuration

    Update, you can update the main router (RAS) software or the configuration (ROM) area. Caution: This procedure deletes the existing software before installing the new software. Do not attempt to use this menu unless you have the new software version. System Maintenance Reference Guide for the Model RM356 Modem Router...

  • Page 100: Command Interpreter Mode

    NETGEAR Web site at http://netgear.baynetworks.com. Call Control The Model RM356 Modem 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.

  • Page 101: Blacklist

    The following statistics are shown: • Phone number • Direction (incoming or outgoing) • Number of calls • Call time (maximum, minimum, and total) This information is erased when the router is reset. System Maintenance Reference Guide for the Model RM356 Modem Router 9-11...

  • Page 103: Troubleshooting

    This chapter gives information about troubleshooting your Model RM356 Modem Router. After each problem description, instructions are provided to help you diagnose and solve the problem. Basic Functioning When you turn on power to the router, the PWR LED lights. If the PWR LED does not light, refer to the next section, “LEDS.”...

  • Page 104: Troubleshooting A Tcp/Ip Network Using A Ping Utility

    (MDI) position. If you are connecting a LAN port of the Model RM356 Modem Router to a normal (MDI-X) port of another hub, you must use a crossover cable.

  • Page 105: Testing The Path From Your Pc To A Remote Device

    PPP connection with the remote LAN. Refer to the next section, “Troubleshooting a Remote Node or ISP Connection.” To cancel the pings, type Ctrl-C (while holding down the Ctrl key, press the letter c). Troubleshooting Reference Guide for the Model RM356 Modem Router “LAN Link LED” on page 10-1.

  • Page 106: Troubleshooting A Remote Node Or Isp Connection

    Reference Guide for the Model RM356 Modem Router Troubleshooting a Remote Node or ISP Connection To troubleshoot a remote node or an ISP connection, follow these instructions: • Place a manual call to the remote node, using Menu 24.4.5. The progress of the call is displayed on the screen.

  • Page 107: Troubleshooting The Manager Interface

    If you cannot access the Manager by using the Telnet Protocol, refer to Your Router,” on page 10-2. Troubleshooting Reference Guide for the Model RM356 Modem Router “Using the Packet and Log “Testing the LAN Path to Trace” on 10-5...

  • Page 108: Restoring The Default Configuration And Password

    Reference Guide for the Model RM356 Modem Router Restoring the Default Configuration and Password The user can erase the current configuration and restore defaults by uploading the initialization file romfile0 or romdhcp, which can be found in the directory in which FirstGear was installed. These files are also available on the NETGEAR Web site.

  • Page 109: Using The Packet And Log Trace

    Using the Packet and Log Trace You can diagnose PPP connection failures using the packet trace feature of the Model RM356 Modem Router. To invoke the packet trace: Access the internal Manager of the router using a serial or Telnet terminal connection.

  • Page 110: Packet Trace Display Format

    Reference Guide for the Model RM356 Modem Router 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. The format of the packet trace display is shown...

  • Page 111: Technical Specifications

    This appendix provides technical specifications for the Model RM356 Modem Router. General Specification Network Protocol and Standards Compatibility WAN Protocols: Data and Routing Protocols: Modem Standard: Security PAP, CHAP, Caller ID Data Compression Hi/fn (Stac LZS) Compression with CCP Power Adapter...
  • Page 112 Reference Guide for the Model RM356 Modem Router All regions (output): Physical Specifications Dimensions: Weight: Environmental Specifications Operating temperature: Operating humidity: Electromagnetic Emissions Meets requirements of: Interface Specifications LAN: Line: Manager: 16 V AC @ 1A output, 22W maximum 253 by 181 by 35 mm 9.95 by 7.1 by 1.4 in.

  • Page 113: Index

    AC power adapter, connecting 2-8 accounting function 9-4 Action Matched/Not Matched field Generic Filter Rule menu 8-8 TCP/IP Filter Rule menu 8-6 Active field Edit Dial-in User 6-4 Edit IP Static Route menu 7-5 Generic Filter Rule menu 8-7 Modem Setup menu 3-7 Remote Node Profile menu 5-2 script options display 5-5 Syslog and Accounting menu 9-5...
  • Page 114 default configuration, restoring 10-6 Default Dial-in Setup menu 6-1 Destination field, TCP/IP Filter Rule menu 8-5 Destination IP Address field, Edit IP Static Route menu 7-5 devices, connecting 2-8 DHCP 1-3 1-14 3-10 DHCP Setup field, Ethernet Setup menu 3-10 Diagnostic menu 9-6 Dial-in User Setup menu 6-4 dial-in users 6-1...
  • Page 115 IP addresses and NAT 1-12 and the Internet 1-6 assigning 1-6 masquerading 1-3 private 1-11 IP configuration, by DHCP 1-14 IP Mask (destination) field, TCP/IP Filter Rule menu 8-5 IP Mask (source) field, TCP/IP Filter Rule menu IP Protocol field, TCP/IP Filter Rule menu 8-5 IP Source Route field, TCP/IP Filter Rule menu IP Subnet Mask field, Edit IP Static Route menu ISP Connection, troubleshooting 10-4...
  • Page 116 Metric field Edit IP Static Route menu 7-5 Remote Node Network Layer Options menu MGR port 2-7 mode, command interpreter 9-10 Modem Name field, Modem Setup menu 3-7 More field Generic Filter Rule menu 8-7 TCP/IP Filter Rule menu 8-6 Multiple Link Options field, Remote Node PPP Options menu 5-4 My WAN Addr field, Remote Node Network...
  • Page 117 RAS S/W Version, System Maintenance Status menu 9-2 rear panel 2-7 Redirect to Modem field, System Maintenance Diagnostic menu 9-6 Rem CLID field, Edit Dial-in User 6-4 Rem IP Addr field Remote Node Network Layer Options 7-3 Remote Node Profile menu 5-3 Rem Node Name field, Remote Node Profile menu 5-2 Rem Subnet Mask field, Remote Node Network...
  • Page 118 TCP Estab field, TCP/IP Filter Rule menu 8-6 TCP/IP configuration, testing 9-6 configuring 7-1 network, troubleshooting 10-2 Protocol 9-7 requirements 2-4 tools 9-7 using with LAN-to-LAN 7-1 TCP/IP field, System Maintenance - Diagnostic menu 9-6 TCP/IP Filter Rule menu 8-4 TCP/IP Setup field, Ethernet Setup menu 3-10 Telco Options field Default Dial-in Setup 6-2...

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