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Cayman Systems 2E-W User Manual

Netopia 2e-w: users guide
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Cayman 2E-W
User's Guide
Release 5.6.2
November 2000

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Summary of Contents for Cayman Systems 2E-W

  • Page 1 Cayman 2E-W User’s Guide Release 5.6.2 November 2000...
  • Page 2 Copyrights Trademarks Copyright © 2000 Cayman Systems All rights reserved Printed in the United States of America Portions of this software are subject to the Mozilla Public License Version 1.1. Portions created by Netscape are copyright 1994-2000 Netscape Communications Corporation. You may obtain a copy of the license at http:// www.mozilla.org/MPL/.

  • Page 3: Table Of Contents

    What’s New in Release 5.6.2 ......1-1 Cayman 2E-W Features ......1-1 Cayman 2E-W Front Panel .
  • Page 4 Entering Commands in CONFIG Mode ... . . 4-16 Displaying Current Router Settings ....4-18 Stepping Through Cayman 2E-W Configuration .
  • Page 5 Software A Technical Specifications Cayman 2E-W User’s Guide November 2000 Network Address Translation (NAT) Pinhole Settings . . 4-32 PPPoE Settings ......4-33 Command Line Interface Preference Settings .
  • Page 6 Cayman 2E-W as DHCP Server....C-4 Cayman 2E-W as DHCP Client ....C-4 About PPP.

  • Page 7: About This Manual

    Cayman 2E-W User’s Guide November 2000 Preface This manual describes how to connect your Cayman 2E-W to your local area network (LAN) and wide area network (WAN) and how to configure it to function as a basestation for a wireless network and as an Ethernet router.

  • Page 8: Documentation Conventions

    Chapter 5, “Monitoring Your Cayman 2E-W,” describes how to monitor the performance of your Cayman 2E-W. Chapter 6, “Updating Your System Software,” describes how to install a new version of the Cayman 2E-W operating software in your router. Appendix A, “Technical Specifications,” details hardware specifications and certifications for the Cayman 2E-W.
  • Page 9 Cayman 2E-W User’s Guide November 2000 Alternative values for an argument are presented in curly ({ }) brackets, with values separated with vertical bars (|). Variables for which you must supply your own values are presented in italic terminal type face Notes calling attention to important points are presented in italic type with a Note icon.
  • Page 10 Preface Cayman 2E-W User’s Guide November 2000...

  • Page 11: What's New In Release 5.6.2

    SWIFT-IP™ means that installing the Cayman 2E-W consists of connecting the device to your networks and entering a few basic settings. You can install and configure the Cayman 2E-W in less than 10 minutes. Web-based browser configuration makes configuration and management easy from anywhere on your network.
  • Page 12 IP address when communicating with other hosts on your corporate network or the Internet. Support for a NAT default server lets your Cayman 2E-W direct NAT traffic to a specified host on your network. Network Address Translation (NAT) conceals the topology of your local area network from outside hackers while offering full Internet access to LAN clients.

  • Page 13: Cayman 2E-W Front Panel

    Access Server. Configurable MAC address for WAN port. Enhanced security, diagnostics, and error reporting for PPP and PPPoE connections. The front panel of your Cayman 2E-W (Figure 1-1) includes the following LEDs and ports. Figure 1-1 Cayman 2E-W Front Panel The power LED remains steadily on when you connect your Cayman 2E-W to a power supply.

  • Page 14: Cayman 2E-W Back Panel

    About Your Cayman 2E-W If you purchased the 802.11 version of the Cayman 2E-W the configuration of the back panel of your Cayman 2E-W includes three ports (Figure 1-2). If you purchased the HomeRF version of the Cayman 2E-W, the configuration of the back panel of your Cayman 2E-W...
  • Page 15 Cayman 2E-W User’s Guide November 2000 The power port lets you connect the Cayman 2E-W to an electrical power supply. Transformers for standard U.S. and international power sources are available from your router vendor. Using a transformer that has not been approved by your router vendor will void your warranty.
  • Page 16 About Your Cayman 2E-W Cayman 2E-W User’s Guide November 2000...

  • Page 17: Unpacking Your Cayman 2E-W

    Connecting Your Cayman 2E-W Disconnecting Your Cayman 2E-W The first thing you should do when you receive the Cayman 2E-W package is confirm that you have everything you should. Remove all the materials from the shipping carton and verify that you have the...

  • Page 18: Connecting Your Cayman 2E-W

    Ethernet networks. Position the Cayman 2E-W in a location where air can circulate freely around it. The Cayman 2E-W case has vents on its top and bottom. Leave at least two (2) inches of clearance between the vents on the top of the Cayman 2E-W and any object that might restrict air flow.

  • Page 19: Step 2: Connect Your Wide Area Network

    November 2000 Insert one end of a twisted-pair cable in the port labeled WAN 10BT on the Cayman 2E-W back panel until you feel it lock (Figure 2-2). Connect the other end of the cable to the Ethernet hub, cable modem, or xDSL modem that links you to your corporate network, wide area network, or the Internet.

  • Page 20: Step 4: Connect Your Wireless Antenna (Homerf Version Only)

    Cayman 2E-W Setting Up Your Cayman 2E-W If you are setting up the HomeRF version of the Cayman 2E-W, insert the antenna plug into the antenna jack on the Cayman 2E-W back panel until you feel it lock (Figure 2-4). For best results, position the antenna on a high shelf away from fluorescent lights or devices that...

  • Page 21: Disconnecting Your Cayman 2E-W

    2E-W Cayman 2E-W User’s Guide November 2000 Complete the following steps to disconnect your Cayman 2E-W from your Ethernet networks. Return the Cayman 2E-W to its original carton if you are moving it to a different location. 1. Warn and disconnect network users.
  • Page 22 Setting Up Your Cayman 2E-W Cayman 2E-W User’s Guide November 2000...

  • Page 23: Gathering Configuration Information

    Cayman 2E-W User’s Guide November 2000 Configuring Your Cayman 2E-W Gathering Configuration Information Configuring Your Computer Opening a Web Connection Entering Basic Settings Entering LAN (Ethernet A) Settings Entering WAN (Ethernet B) Settings Configuring Password Settings Configuring Pinhole Settings Configure Wireless Settings Configuring SNMP Settings...

  • Page 24: Quickstart Information

    QuickStart Information Configuring Your Cayman 2E-W Before you configure your Cayman 2E-W, you need to gather information about your networks. Most users will only need to complete the QuickStart section. For many users, the default (or factory) configuration of the product will provide all the necessary services.

  • Page 25: Lan Port (Ethernet A) Information (Optional)

    Address If you want to customize the settings for the LAN (Ethernet A) interface on your Cayman 2E-W, print the following table and use it to enter information in the Cayman 2E-W LAN Ethernet window. Some fields listed in the table only appear after you click the Expert Mode button on the Cayman 2E-W Home window.
  • Page 26 192.168.1.254 Lease Time The time, in DD:HH:MM:SS format, for which a (expert mode) configuration issued by the Cayman 2E-W DHCP server is valid. Applicable when DHCP Mode is set to 00:01:00:00 Server The IP address the remote DHCP server to which your...

  • Page 27: Wan (Ethernet B) Port Information (Optional)

    Cayman 2E-W User’s Guide November 2000 If you want to customize the settings for the WAN (Ethernet B) port on your Cayman 2E-W, print the following table and use it to enter information in the Cayman 2E-W Ethernet B (WAN) Configuration window.
  • Page 28 Open the TCP/IP Control Panel. b. Choose Connect via Ethernet. c. Choose Configure Using DHCP Server and enter the IP address of the Cayman 2E-W (192.168.1.254) in the Name Server Address text box. d. Click OK. If you are using a Macintosh running MacTCP: Open the MacTCP Control Panel and select the Ethernet interface icon.

  • Page 29: To Connect Over The Wireless Lan

    Cayman 2E-W. Restart each device after you have updated its TCP/IP configuration. If you want to configure your Cayman 2E-W from a device on your wireless local area network, you will need to install and configure the wireless network hardware and software.
  • Page 30 Configuring Your Cayman 2E-W 2. Enter the name or IP address of your Cayman 2E-W in the browser's Open Location window and press Enter. For example, you would enter Cayman 2E-W is using its default IP address. You can enter if your computer has been configured to use DHCP...
  • Page 31 November 2000 Figure 3-2 Cayman 2E-W Home Window (PPPoE turned on) 4. Use the buttons on the Cayman 2E-W Home Page to issue a command or open a window. The Quickstart button opens the QuickStart window, which lets you enter basic settings for your Cayman 2E-W.

  • Page 32: Entering Basic Settings

    IP address information for the device's WAN (Ethernet B) port, the Cayman 2E-W QuickStart window asks you only for the name you want to assign your Cayman 2E-W. If you have overridden the default settings for IP address information for...
  • Page 33 Figure 3-4 QuickStart Window (PPPoE Off) To configure the QuickStart window: 1. Enter the name of your Cayman 2E-W in the System Name field. Each Cayman 2E-W is assigned a name as part of its factory initialization. The default name for a Cayman 2E-W consists of the word “Cayman-2E”...

  • Page 34: Manual Quickstart

    4. Click the Restart Cayman-2E button to restart your Cayman 2E-W with its new configuration. If you want to modify the default settings for the Cayman 2E-W’s WAN port, click the Manual QuickStart button on the QuickStart window to display the Manual QuickStart window (Figure 3-5).
  • Page 35 Cayman 2E-W User’s Guide November 2000 To configure the Manual QuickStart window: 1. Enter the name of your Cayman 2E-W in the System Name field. Each Cayman 2E-W is assigned a name as part of its factory initialization. The default name for a Cayman 2E-W consists of the word “Cayman-2E”...
  • Page 36 5. Enter the IP address of the default gateway for your network in the Default Gateway field. The default gateway is the host to which the Cayman 2E-W will send packets if it does not know how to reach a destination host.

  • Page 37: Quickstart (Pppoe On)

    QuickStart (PPPoE Cayman 2E-W User’s Guide November 2000 If your Cayman 2E-W is configured to use PPPoE (PPP over Ethernet) framing, the PPPoE QuickStart window (Figure 3-6) opens when you click the QuickStart button on the Cayman 2E-W Home Page.
  • Page 38 PPP link is being established in the PPP Username field. This is the username the Cayman 2E-W sends in a PAP or CHAP response packet. The information you enter must match the CHAP username configured in the remote PPP peer's authentication database.

  • Page 39: Entering Lan (Ethernet A) Settings

    If your network falls into this category, do not change the LAN Ethernet settings. To display the Ethernet Port (LAN) Configuration window (Figure 3-7), click the Ethernet A (LAN) button on the Cayman 2E-W Home Page. Figure 3-7 Ethernet Port (LAN) Configuration Window (expert mode) To configure your Ethernet settings:...
  • Page 40 Most sites should use 255.255.255.0 for their subnet mask. If you have turned on Expert Mode on the Cayman 2E-W Home window, you will see a set of DHCP fields on the Ethernet Port Configuration (LAN) window. If you did not turn on Expert Mode, you can skip to Step 8, below.

  • Page 41: Entering Wan (Ethernet B) Settings

    Ethernet Port B configuration information from a DHCP server on your wide area network. To display the Ethernet Port B (WAN) Configuration window (Figure 3-8), click the Ethernet B (WAN) button on the Cayman 2E-W Home Page. Configuring Your Cayman 2E-W...
  • Page 42 If you want your Cayman 2E-W to acquire the IP address for its WAN port from a DHCP server on your wide area network, enter 0.0.0.0...

  • Page 43: Pppoe Is On

    Home Page to restart your Cayman 2E-W with its new configuration. If you turn on PPPoE for the Cayman 2E-W’s WAN port (meaning that your Cayman 2E-W uses PPP framing over its WAN interface), you will see a different window (Figure 3-9) when you click the Ethernet B (PPPoE) button on the Cayman 2E-W Home Page.
  • Page 44 If you choose a connection type of Instant On, the Cayman 2E-W shuts down the PPP link if it is not being used for the number of seconds specified in the Idle Timeout field. If you choose a connection type of Always On, the Cayman 2E-W keeps the PPP link open at all times.
  • Page 45 Cayman 2E-W User’s Guide November 2000 your Cayman 2E-W if you enter 0.0.0.0 in the Local Address field. If you specify an IP address other than 0.0.0.0, your Cayman 2E-W will not negotiate its IP address with the remote peer.

  • Page 46: Configuring Password Settings

    Cayman 2E-W does not affect communications through the device. To display the Password Configuration window (Figure 3-10), click the Passwords button on the Cayman 2E-W Home Page. You must be in Expert Mode to open the Password Configuration window. Cayman 2E-W User’s Guide...
  • Page 47 1. Use the Password Level list to select the type of password you want to enter. You can choose Admin or User. You must assign the Cayman 2E-W an Admin password before you can assign it a User password. 2. If you assigned a password to the Cayman 2E-W previously, enter your current password in the Old Password field.

  • Page 48: Configuring Pinhole Settings

    To display the Pinhole Configuration window (Figure 3-11), click the Pinhole button on the Cayman 2E-W Home Page. You must be in Expert Mode to open the Pinhole Configuration window. Cayman 2E-W User’s Guide...
  • Page 49 After you have made this change, you will need to use this port number to open a Web connection to the Cayman 2E-W. For example, if you change the Web-HTTP port to 1080 on a Cayman 2E-W using its default IP address ), you would open a web connection to the 192.168.1.254...
  • Page 50 After you have made this change, you will need to include this port number when you open a Telnet connection to the Cayman 2E-W. For example, if you change the Telnet port to 1023 on a Cayman 2E-W using its default IP address ), you would open a Telnet connection to the 192.168.1.254...
  • Page 51 Cayman 2E-W User’s Guide November 2000 7. Use the Protocol dropdown menu to select the type of protocol (TCP, UDP, ICMP, or PPTP) you want to redirect. If you want to redirect a protocol type other than TCP, UDP, ICMP, or PPTP, use the second line of the table to enter the protocol type name.

  • Page 52: Configuring Wireless Settings

    Home Page to restart your Cayman 2E-W with its new configuration. You can use your Cayman 2E-W as a basestation for HomeRF or 802.11 wireless networking. Your Cayman 2E-W bridges your wireless network functions to your Ethernet local area network, letting computers on the wireless network access the Internet and share LAN resources such as printers and servers.

  • Page 53: 802.11 Settings

    To display the Wireless Setup window for 802.11 wireless networking (Figure 3-13), click the Wireless button on the Cayman 2E-W Home Page. You must be in Expert Mode to open the Wireless Setup window. Configuring Your Cayman 2E-W 3-31...
  • Page 54 Wireless Setup Window (802.11) To configure the wireless settings for your Cayman 2E-W: 1. Enter the identifier for your Cayman 2E-W on the wireless network in the Wireless ID (ESSID) field. You must configure all devices on your wireless network to use the identifier you enter here.
  • Page 55 Cayman 2E-W User’s Guide November 2000 unless you are using more than one Cayman 2E-W in the same area. The following table lists the frequencies associated with 802.11 channels and the regions for which each channel is authorized. Channel Frequency...

  • Page 56: Configuring Snmp Settings

    SNMP Setup window lets you enter SNMP configuration information for your Cayman 2E-W. To display the SNMP Setup window (Figure 3-14), click the SNMP button on the Cayman 2E-W Home Page. You must be in Expert Mode to open the SNMP Setup window. Cayman 2E-W User’s Guide...
  • Page 57 3. Click the Save button to store your modified configuration in the Cayman 2E-W memory. 4. If you want the Cayman 2E-W to use authentication traps, click the Authentication Traps On radio button. If SNMP trapping is enabled, your Cayman 2E-W sends authentication traps to all SNMP trap destinations.
  • Page 58 5. Identify the SNMP communities to which the Cayman 2E-W belongs by entering a community name in the Communities field and clicking the Add button. By default, the Cayman 2E-W is associated with the public community. You can associate as many as 16 communities with the Cayman 2E-W.

  • Page 59: About Root Commands

    The Cayman 2E-W operating software includes a command line interface (CLI) that lets you monitor and configure your Cayman 2E-W over a Telnet or console connection. You can use the command line interface to enter and update a Cayman 2E-W’s configuration settings, monitor its performance, and restart it.
  • Page 60 Using the Command Line Interface telnet ip_address You must know the IP address of the Cayman 2E-W before you can make a Telnet connection to it. By default, your Cayman 2E-W uses 192.168.1.254 as the IP address for its LAN interface. You can use a Web browser or the maintenance console to configure the Cayman...
  • Page 61 Logging In The command line interface log-in process emulates the log-in process for a UNIX host. If your Cayman 2E-W has been assigned an administrator password or user password, you must enter a username (up to 32 characters) and your password.

  • Page 62: Using The Cli Help Facility

    You can save the changes you have entered for a specific function or for all functions in the Cayman 2E-W. The Cayman 2E-W automatically validates its settings when you save and displays a warning message if the configuration is not correct.

  • Page 63: Root Command Shortcuts

    Sends an Address Resolution Protocol (ARP) request to match the IP address to an Ethernet hardware address. nnn.nnn.nnn.nnn clear [yes] Clears the configuration settings in a Cayman 2E-W. If you do not use the optional qualifier, you are prompted to confirm the command.
  • Page 64 If you omit arguments, the console prompts you for this information. argument identifies the IP address of the server_address TFTP server from which you want to copy the Cayman 2E-W configuration file. argument identifies the path and name of the filename configuration file on the TFTP server.
  • Page 65 file on the TFTP server. If you include the optional confirm prompted to identify a TFTP server or file name. Your Cayman 2E-W begins the software installation using its default boot settings. log message_string Adds the message in the message_string 2E-W diagnostic log.
  • Page 66 [-s size [-c count { hostname | ip_address } Causes the Cayman 2E-W to issue a series of ICMP Echo requests for the device with the specified name or IP address. argument is the name of the device you want to hostname ping;...
  • Page 67 Clears crash-dump information, which identifies the contents of the Cayman 2E-W registers at the point of system malfunction. reset dhcp client release Releases the DHCP lease the Cayman 2E-W is currently using to acquire the IP settings for its WAN (Ethernet B) port. reset dhcp client renew Renews the DHCP lease the Cayman 2E-W is currently using to acquire the IP settings for its WAN (Ethernet B) port.
  • Page 68 [seconds] Restarts your Cayman 2E-W. If you include the optional argument, your Cayman 2E-W will restart when the specified number of seconds have elapsed. You must enter the complete command to initiate a restart.
  • Page 69 DHCP leases that are used in use or that have been used since your Cayman 2E-W was restarted. You can include the argument to see the list of DHCP leases that free are available for use.
  • Page 70 Displays the current status of a Cayman 2E-W, the device's hardware and software revision levels, a summary of errors encountered, and the length of time the Cayman 2E-W has been running since it was last restarted. Identical to the show wireless Displays status and statistics information for the wireless interface on your Cayman 2E-W.
  • Page 71 Telnet session. traceroute { hostname | ip_address } Lets you trace the route between the Cayman 2E-W and the specified host. argument is the name of the device you want to hostname trace;...

  • Page 72: About Config Commands

    Displays the names of the current shell users. wireless learn Lets you put your Cayman 2E-W into Learn mode for 60 seconds, allowing it to acquire its network address from a HomeRF device in Teach mode on your network. Only supported for HomeRF.

  • Page 73: Navigating The Config Hierarchy

    Navigating the CONFIG Hierarchy Cayman 2E-W User’s Guide November 2000 Moving from CONFIG to ROOT — You can navigate from anywhere in the CONFIG hierarchy back to the ROOT level by entering at the CONFIG prompt and pressing R quit Dogzilla (top)>>...

  • Page 74: Entering Commands In Config Mode

    A address 192.31.222.57 , and ) and two ethernet address ). When you use the Cayman 2E-W User’s Guide November 2000...
  • Page 75 Cayman 2E-W User’s Guide November 2000 The following table provides guidelines for entering and formatting CONFIG commands. Command Rules for entering CONFIG commands component Command verbs CONFIG commands must start with a command verb (set, view, delete). You can truncate CONFIG verbs to three characters (set, vie, del).

  • Page 76: Displaying Current Router Settings

    If you enter the intermediate node, you see settings for that node and its subnodes. The Cayman 2E-W command line interface includes a step mode to automate the process of entering configuration settings. When you use the CONFIG step mode, the command line interface prompts you for all required and optional information.

  • Page 77: Validating Your Configuration

    { on | off } Enables or disables bridging services in the Cayman 2E-W. You must enable bridging services within the Cayman 2E-W before you can enable bridging for a specific interface.

  • Page 78: Dhcp Settings

    If you selected , specifies the first address in the DHCP server address range. The Cayman 2E-W can reserve a sequence of up to 253 IP addresses within a subnet, beginning with the specified address for dynamic assignment. set dhcp end-address ip_address If you selected , specifies the last address in the DHCP address...

  • Page 79: Domain Name System Settings

    { on | off } Enables or disables your ability to override the Ethernet MAC address for the WAN port on your Cayman 2E-W. You must enable the dd:hh:mm:ss , specifies the IP address in the remote...

  • Page 80: Ip Settings

    You can use the command line interface to specify whether TCP/IP is enabled, identify a default gateway, and to enter TCP/IP settings for the Cayman 2E-W LAN and WAN ports. If PPPoE is turned off, you must specify settings for Ethernet A and B separately. if PPPoE is turned on, you can omit the A|B labels.
  • Page 81 Specifies whether an administrator can open a Telnet connection to the Cayman 2E-W over the designated Ethernet interface to monitor and configure the Cayman 2E-W. On the Cayman 2E-W LAN port, you can enable or disable administrator access. On the WAN port, you can enable or disable administrator access or specify that the WAN port can only be used for administrative traffic.
  • Page 82 4-24 set ip ethernet [ A | B ] proxy-arp { on | off } Specifies whether you want the Cayman 2E-W to respond when the it receives an address resolution protocol for devices behind it. By default, proxy ARP is turned off.

  • Page 83: Default Ip Gateway Settings

    Specifies how the Cayman 2E-W should route information to the default gateway. If you select address of a host on a local or remote network. If you specify the Cayman 2E-W uses the default gateway being used by the remote PPP peer. set ip gateway default ip_address Specifies the IP address of the default IP gateway.

  • Page 84: Ip-Over-Ppp Settings

    PPP interface will use the IP address assigned to it by the remote peer. Note that the remote peer must be configured to supply an IP address to your Cayman 2E-W if you enter 0.0.0.0 for the argument.
  • Page 85 Cayman 2E-W User’s Guide November 2000 set ip ip-ppp restriction { none | admin-disabled | admin-only } Specifies restrictions on the types of traffic the Cayman 2E-W accepts over the PPP virtual circuit. The is accepted. The admin-disabled is accepted but that administrative commands are ignored. The argument means that router traffic is ignored but that...

  • Page 86: Static Route Settings

    Consequently, static routes are useful when working with PPP, since an intermittent PPP link may make maintenance of dynamic routes problematic. You can configure as many as 16 static IP routes for a Cayman 2E-W. Use the following commands to maintain static routes to the Cayman 2E-W routing table:...
  • Page 87 (actual or best guess) a packet must traverse to reach the remote network. You can enter a metric of 1 to indicate either: The remote network is one router away and the static route is the best way to reach it; argument in dotted decimal format.

  • Page 88: Wan Settings

    Assigns an IP address to the Cayman 2E-W on the wide area network. The IP address you assign to an Ethernet port must be unique on your network.

  • Page 89: Network Address Translation (Nat) Default Settings

    ARP is turned off. NAT default settings let you specify whether you want your Cayman 2E-W to forward NAT traffic to a default server when it doesn’t know what else to do with it. The NAT default host function is useful in situations where you cannot create a specific NAT pinhole for a...

  • Page 90: Network Address Translation (Nat) Pinhole Settings

    Specifies the IP address of the default NAT server. NAT pinholes let you pass specific types of network traffic through the NAT interfaces on the Cayman 2E-W. NAT pinholes allow you to route selected types of network traffic, such as FTP requests or HTTP (Web) connections, to a specific host behind the Cayman 2E-W...

  • Page 91: Pppoe Settings

    PPPoE before you can enter other PPP settings. Basic PPP Settings set PPP module option { on | off } Enables or disables PPP on the Cayman 2E-W. By default, PPP is turned off. Using the Command Line Interface...
  • Page 92 Specifies whether you want your Cayman 2E-W to send LCP echo requests. By default, LCP echoing is turned on. You should turn off LCP echoing if you do not want the Cayman 2E-W to drop a PPP link to a nonresponsive peer.

  • Page 93: Port Authentication

    PPP module connection-type [ instant-on | always-on ] Specifies whether a PPP connection is maintained by the Cayman 2E-W when it is unused for extended periods. If you specify , the Cayman 2E-W never shuts down the PPP link. If you always-on specify...
  • Page 94 As a result, the port authentication names for PAP and CHAP must be identical to the peer names for your Cayman 2E-W on the remote peer. If you do not configure a chap-name or pap-name, then the authentication packets sent by the local peer will have blank name values.

  • Page 95: Peer Authentication

    PAP password used by the PPP peer. Peer Authentication You can specify that your Cayman 2E-W will use PAP, CHAP, or both to authenticate a remote peer as a PPP link is being completed. Perform the following steps to specify how your Cayman 2E-W should authenticate remote peers.

  • Page 96: Command Line Interface Preference Settings

    16 lines of text before displaying the prompt More …[y|n] ?. If you enter 0 for the lines argument, the command line interface displays information as an uninterrupted stream (which is useful for capturing information to a text file). Cayman 2E-W User’s Guide November 2000...

  • Page 97: Port Renumbering Settings

    November 2000 If you use NAT pinholes to forward HTTP or Telnet traffic through your Cayman 2E-W to an internal host, you must change the port numbers the Cayman 2E-W uses for its own configuration traffic. For example, if you set up a NAT pinhole to forward network traffic on Port 80 (HTTP) to another host, you would have to tell the Cayman 2E-W to listen for configuration connection requests on a port...
  • Page 98 Identifies the location, such as the building, floor, or room number, of the Cayman 2E-W. You can enter up to 256 characters for the argument. You must put the location_info argument in double-quotes if it contains embedded spaces.

  • Page 99: System Settings

    1-16 characters long and cannot include spaces or special characters. Once you have assigned a name to your Cayman 2E-W, you can enter that name in the Open Location text field of your browser to open a connection to your Cayman 2E-W.

  • Page 100: Traffic Shaping Settings

    Passwords are case-sensitive and cannot include special characters or leading, trailing, or embedded spaces. For example, if you assign a password of “GatoR” to a Cayman 2E-W, you could not enter “GATOR”, “gator”, “Gator”, or “GatoR ” (with a trailing space) as an acceptable password.

  • Page 101: Wireless Settings (Homerf)

    Specifies the name of the Cayman 2E-W on your wireless network. The default HomeRF wireless ID for a Cayman 2E-W consists of two four-digit numbers, which are located on the label on the bottom of your Cayman 2E-W. You must configure other devices on your wireless network to use this identifier before they can communicate...
  • Page 102 0x1234567890ABCDEF1234567890 set wireless authentication-type [ open | shared-key ] If WEP is enabled, this determines whether or not a wireless client on your network can connect to the Cayman 2E-W. If you select Cayman 2E-W User’s Guide November 2000...
  • Page 103 Cayman 2E-W User’s Guide November 2000 Open authentication, any client can connect. If you select Shared authentication, the client must have the same exact encryption keys to pass authentication. Using the Command Line Interface 4-45...
  • Page 104 Using the Command Line Interface Cayman 2E-W User’s Guide 4-46 November 2000...
  • Page 105 Cayman 2E-W User’s Guide November 2000 Monitoring Your Cayman 2E-W Displaying the Overview Status Displaying the Diagnostic Log Displaying IP ARP Statistics Displaying IP Interface Statistics Displaying IP Routes Displaying DHCP Server Statistics Displaying DHCP Client Statistics Displaying Memory Statistics...

  • Page 106: Displaying The Overview Status

    Cayman 2E-W. To open the Monitor window, run your web browser and open a connection to your Cayman 2E-W, and then click the Monitor button on the Cayman 2E-W Home Page. When the Monitor window opens, click the button for the type of information you want.

  • Page 107: Displaying The Diagnostic Log

    Diagnostic Log Cayman 2E-W User’s Guide November 2000 Your Cayman 2E-W maintains a log file consisting of diagnostic and error messages it generates during operation. The Diagnostic Log window displays the contents of the Cayman 2E-W diagnostic log. To display the Diagnostic Log window, click the Show button on the Monitor window.

  • Page 108: Displaying Ip Arp Statistics

    Statistics Monitoring Your Cayman 2E-W The IP ARP table displays the static and dynamic address resolution information maintained by the Cayman 2E-W. To display the IP ARP Statistics window, click the IP ARP button on the Monitor window. Figure 5-3.

  • Page 109: Displaying Ip Interface Statistics

    Statistics Cayman 2E-W User’s Guide November 2000 The IP Interfaces monitor window displays information about the Ethernet ports on your Cayman 2E-W. To display the IP Interfaces Statistics window, click the IP Interfaces button on the Monitor window. Figure 5-4.

  • Page 110: Displaying Ip Routes

    Routes Monitoring Your Cayman 2E-W The IP Routes window displays information about the IP routes stored in your Cayman 2E-W. To display the IP Routes window, click the IP Routes button on the Monitor window. Figure 5-5. IP Routes Monitor Cayman 2E-W User’s Guide...

  • Page 111: Displaying Dhcp Server Statistics

    The DHCP monitor window displays the Ethernet hardware address that corresponds to each IP address your Cayman 2E-W has assigned to a device on your network. To display the DHCP Server Statistics window, click the DHCP Server button on the Monitor window.

  • Page 112: Displaying Dhcp Client Statistics

    Displaying DHCP Client Statistics Monitoring Your Cayman 2E-W As a DHCP client, your Cayman 2E-W can accept IP address information from a DHCP server on your network. To display the DHCP Client Statistics window, click the DHCP Client button on the Monitor window.

  • Page 113: Displaying Memory Statistics

    Statistics Cayman 2E-W User’s Guide November 2000 The Memory monitor window displays information about memory allocation in your Cayman 2E-W. To display the Memory monitor window, click the Memory button on the Monitor window. Figure 5-8. Memory Monitor Monitoring Your Cayman 2E-W...

  • Page 114: Displaying Ethernet Statistics

    Statistics Monitoring Your Cayman 2E-W 5-10 The Ethernet Statistics monitor window displays information about each Ethernet interface for your Cayman 2E-W. To display the Ethernet Statistics window, click the Ethernet button on the Monitor window. Figure 5-9. Ethernet Statistics Monitor Cayman 2E-W User’s Guide...

  • Page 115: Displaying Pppoe Statistics

    Displaying PPPoE Statistics Cayman 2E-W User’s Guide November 2000 The PPPoE Statistics window displays information about the PPPoE traffic on your network. To display the PPPoE Statistics window, click the PPPoE button on the Monitor window. Figure 5-10. PPPoE Statistics Monitors...

  • Page 116: Displaying Wireless Statistics

    Statistics Monitoring Your Cayman 2E-W 5-12 The Wireless Statistics window displays information about the wireless network traffic maintained by your Cayman 2E-W. To display the Wireless Statistics window, click the Wireless button on the Monitor window. Figure 5-11 Wireless Statistics (HomeRF) Figure 5-12 Wireless Statistics Window (802.11b)

  • Page 117: Using The Diagnose Utility

    November 2000 The Diagnose utility runs a series of internal checks and loopback tests to verify network connectivity over each interface on your Cayman 2E-W. To run the Diagnose utility, click the Diagnose button on the Monitor window. Figure 5-13...
  • Page 118 Monitoring Your Cayman 2E-W Cayman 2E-W User’s Guide 5-14 November 2000...

  • Page 119: Updating Your System Software

    Using the Installer to Install a New Image Using TFTP to Install a New Image You can install a new operating system image in your Cayman 2E-W from the Home Page. To do so, the computer you are using to install the new image must be connected to the LAN interface of the Cayman 2E-W.
  • Page 120 file you want, and click Open. 6. Click the Install button. The Cayman 2E-W copies the image file from your computer and installs it into its memory storage. You will see a series of dots appear on your screen as the image is copied and installed.

  • Page 121: Using The Installer To Install A New Image

    You must run the Installer utility from a computer running Windows 95, Windows 98, or Windows NT on the Cayman 2E-W local area network. To install new operating system software in your Cayman 2E-W from a Windows computer: 1.
  • Page 122 Cayman from the Start menu and choose the Installer program. 9. When the Installation Target Selection window appears, enter the name or IP address of your Cayman 2E-W in the IP Address or Name text field. The default IP address is 10.

  • Page 123: Using Tftp To Install A New Image

    Image Cayman 2E-W User’s Guide November 2000 You can install new operating system software in a Cayman 2E-W from any computer capable of functioning as a Trivial File Transfer Protocol (TFTP) server. Your TFTP server must be on the same Ethernet network as the LAN interface of your Cayman 2E-W.
  • Page 124 Updating Your System Software Cayman 2E-W User’s Guide November 2000...

  • Page 125: Technical Specifications

    Cayman 2E-W User’s Guide November 2000 Technical Specifications Technical specifications and certifications subject to change. Changes or modifications not expressly approved by your authorized Cayman 2E-W reseller can void your authority to operate the equipment. Processor Motorola MPC 850 Memory...

  • Page 126: Interfaces

    Radius of 150 feet Shared Wireless Access Protocol (SWAP) 11, 5.5, 2, and 1 Mbps per channel, auto fall-back 2.4–2.483 GHz (Direct Sequence Spread Spectrum) 13 dBm Radius of 460 feet for 11Mbps in open environment Cayman 2E-W User’s Guide November 2000...

  • Page 127: Certifications

    Certifications FCC Class B Notice Canadian Interference Notice Cayman 2E-W User’s Guide November 2000 ETL to UL 1950 cETL to CSA C22.2 No. 950 CE Markings to: EN60950/A3:1995 EN55022:1994 Class A EN50082-1:1992 This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.
  • Page 128 Technical Specifications Cayman 2E-W User’s Guide November 2000...

  • Page 129: Diagnostic Console

    2E-W flash EPROM, which stores the main system software. WARNING: Because you can accidentally erase or overwrite the Cayman 2E-W boot settings or flash EPROM when you use the diagnostic console, you should not use the diagnostic console without conferring with Cayman Technical Support.

  • Page 130: Connecting A Terminal To The Console Port

    Terminal to the Console Port Diagnostic Console To connect your Cayman 2E-W to a terminal or terminal emulator: 1. Turn off the Cayman 2E-W. 2. Plug one end of the serial cable into the maintenance console port on the Cayman 2E-W back panel.

  • Page 131: Using The Diagnostic Console

    Cayman 2E-W. 6. When the console displays STAY IN EPROM?, type The Cayman 2E-W console prompt ( indicating that the Cayman 2E-W is now operating in diagnostic (EPROM) mode. You communicate with the diagnostic console via a simple command-line interface.

  • Page 132: Basic Commands

    EPROM settings in the Cayman defaults 2E-W to their factory default values. After you reset the Cayman 2E-W EPROM values to their defaults, you must save them to non-volatile storage with the command.

  • Page 133: Administration Commands

    [nogo] If you do not enter an argument, the Cayman 2E-W to behave as if it had been powered up with autoboot enabled. That is, it will try to download its image from flash, TFTP, and BOOTP (if enabled) in that order.
  • Page 134 flash (not the EPROM erase options settings). Compare to the current and non-volatile copies of the Cayman 2E-W EPROM settings. clears the setting headers, which is a quick way erase headers of invalidating the code flash and forcing an image download.

  • Page 135: Boot Setting Commands

    Cayman 2E-W. show command displays the current EPROM settings for the show Cayman 2E-W and a brief explanation of those settings. For example, the show command produces the following: BootPROM> show flash on (flash will be tried) ip 0 (no ip address;...
  • Page 136 1. If flash is enabled, start an image from the Cayman 2E-W code flash memory, using the configured image number; else 2. If ip is enabled, load an image via IP TFTP using the configured IP server, IP gateway, netmask and filename;...
  • Page 137 ARP cache inconsistencies on your IP hosts. ipgateway ip_address command specifies the IP address of the ipgateway ip_address router (if any) between the Cayman 2E-W and its IP TFTP server in dotted decimal notation. Enter gateway function. ipnetmask netmask command specifies the subnet mask for ipnetmask netmask your IP interface in dotted decimal format.
  • Page 138 Diagnostic Console Cayman 2E-W User’s Guide B-10 November 2000...

  • Page 139: About Pppoe

    Ethernet network connected to its LAN interface from routers on networks connected to its WAN interface. When NAT is enabled, the Cayman 2E-W “proxies” for computers on your network by pretending to be the originating host for network communications from non-originating networks.

  • Page 140: Tcp/Ip Routing

    Bridges let you join two local area networks, so that they appear to be part of the same physical network. As a bridge for protocols other than TCP/IP, your Cayman 2E-W keeps track of as many as 255 MAC (Ethernet hardware) addresses, each of which uniquely identifies an individual host on a network.

  • Page 141: About Dhcp

    MAC address and the interface appropriate for reaching that host to its bridging table. The Cayman 2E-W tracks the age of each entry in its bridging table, and deletes entries that aren't used after 10 minutes. If more than 255 entries are active at the same time, the Cayman 2E-W discards the oldest entries to make room for new ones.

  • Page 142: Cayman 2E-W As Dhcp Server

    IP addresses among a group of clients that do not need permanent IP addresses. The Cayman 2E-W is configured at the factory to act as a DHCP client on its WAN port. This means that, if substitute IP address information is not configured for the WAN port, the Cayman 2E-W will send a...

  • Page 143: About Ppp

    TCP/IP hosts and networks over a serial telephone connection (applicable to older versions of the Cayman 2E-W) or an Ethernet (xDSL or cable modem) connection. Extensions to the PPP protocol suite enable a PPP link to support other network protocols, including IPX, AppleTalk, and DECnet.

  • Page 144: Link Establishment

    Ethernet port is configured as a dial-in, dial-out, or dedicated PPP interface: Dial-in – If a port is configured as a dial-in interface, the router sends an initialization string to the modem when it is turned on to prepare it to accept calls.
  • Page 145 1500), then Peer A can send frames up to 1500 bytes long to Peer B but Peer B can send frames up to 1492 bytes long to Peer A. How Your Cayman 2E-W Works...
  • Page 146 If you specify that a serial port can use either CHAP or PAP to authenticate a remote peer (that is, both CHAP and PAP are enabled), the router tries to use CHAP to authenticate connection requests. If the remote peer does not support CHAP, the router requires that the remote peer use PAP to authenticate itself.

  • Page 147: Network Configuration

    A link can be terminated during initialization because a configuration or authentication failure occurs. Once a PPP link is established, it remains configured for communication unless explicit LCP or NCP packets close the link or until some external event, such as the How Your Cayman 2E-W Works...

  • Page 148: Ppp And Routing Tables

    Your Cayman 2E-W maintains a routing table for its IP routing service. The routing table identifies the networks a router can reach, the interface and gateway through which the router must forward a...

  • Page 149: Dealing With Unavailable Routes

    A route to a network connected directly to the router has a metric of 1, a route to a network reachable through one other gateway has a metric of 2, and so on.
  • Page 150 How Your Cayman 2E-W Works C-12 Timing out – When a router adds a dynamic route to its routing table, it starts a timer for that route. This timer is restarted whenever the router receives another RIP packet advertising the router.

  • Page 151: About Ppp Over Ethernet (Pppoe

    The Discovery stage of a PPPoE session consists of four steps: 1. Initiation – When a host wants to open a PPPoE session, it sends out a PPPoE Active Discovery Initiation (PADI) broadcast asking any available Access Concentrators to respond. If a host How Your Cayman 2E-W Works C-13...
  • Page 152 How Your Cayman 2E-W Works C-14 does not receive a response within the timeout period, it resends its PADI packet and doubles its timeout period. 2. Offer – If an Access Concentrator for the network can serve the request, it sends a PPPoE Active Discovery Offer (PADO) packet to the host identifying its name and the services it can offer to the host.

  • Page 153: About Wireless Networking

    When you install a Cayman 2E-W as part of a wireless network, the Cayman 2E-W connects to a wired local area network using standard Ethernet wiring. To use the wireless network, a user installs a wireless-LAN adapter (such as a PCMCIA card) in a computer and identifies the Cayman 2E-W with which the computer should...
  • Page 154 How Your Cayman 2E-W Works Cayman 2E-W User’s Guide C-16 November 2000...

  • Page 155: Glossary

    ADSL ANSI ASCII Cayman 2E-W User’s Guide November 2000 Glossary IEEE 802.3 specification for Ethernet that uses thin coaxial cable to run at 10 Mbps. Limited to 185 meters per segment. 10Base5 IEEE 802.3 baseband physical layer specification for Ethernet that uses thick coaxial cable to run at 10 Mbps.
  • Page 156 Storage area used to hold data until it can be forwarded. Signal suitable for transmission of information. Comité Consultatif International Télégraphique et Téléphonique or Consultative Committee for International Telegraph and Telephone. An international organization responsible for developing telecommunication standards. Carrier Detect. Cayman 2E-W User’s Guide November 2000...
  • Page 157 CSU/DSU data bits datagram dedicated line Cayman 2E-W User’s Guide November 2000 Challenge-Handshake Authentication Protocol. Security protocol in PPP that prevents unauthorized access to network services. See RFC 1334 for PAP specifications Compare PAP. Network node that requests services from a server.
  • Page 158 Glossary Dynamic Host Configuration Protocol. A network configuration protocol that lets a router or other device assign IP addresses and supply other network configuration information to computers on your network. Port setting that specifies that other routers can initiate a connection to the local router but that the local router cannot initiate a connection to other routers.
  • Page 159 FTP server hardware handshake HDLC HDSL header Cayman 2E-W User’s Guide November 2000 Technique used to enclose information formatted for one protocol, such as AppleTalk, within a packet formatted for a different protocol, such as TCP/IP. The application of a specific algorithm to a data set so that anyone without the encryption key cannot understand the information.
  • Page 160 Random number generated by a router and included in packets it sends to other routers. If the router receives a packet with the same magic number it is using, the router sends and receives packets with new random numbers to determine if it is talking to itself.
  • Page 161 November 2000 Distance, measured in the number of routers a packet must traverse, that a packet must travel to go from a router to a remote network. A route with a low metric is considered more efficient, and therefore preferable, to a route with a high metric. See hop count.
  • Page 162 Table stored in a router or other networking device that records available routes and distances for remote network destinations. Request to Send. Circuit activated in hardware flow control when a computer (or other DTE) is ready to transmit data to a modem (or other DCE).
  • Page 163 T1 link Telnet twisted pair xon/xoff Cayman 2E-W User’s Guide November 2000 A 32-bit address mask that identifies which bits of an IP address represent network address information and which bits represent node identifier information. Method of data communication requiring the transmission of timing signals to keep PPP peers synchronized in sending and receiving blocks of data.
  • Page 164 Glossary Cayman 2E-W User’s Guide November 2000...
  • Page 165 CLI 4-16 arp command 4-5 ARP table 5-4 ARP, proxy 4-24, 4-31 authentication trap 3-35, 4-39 autoboot command B-7 back panel, Cayman 2E-W 1-4 bandwidth shaping 1-2 boot command B-5 bootp command B-8 bridging 4-19, C-2 broadcast address 4-23, 4-30...
  • Page 166 DHCP relay-agent lease 4-10 Diagnose utility 1-2, 5-13 diagnostic console B-1 diagnostic log 4-7, 4-10, 4-11, 5-3 diagnostic log level 4-41 disconnecting your Cayman 2E-W 2-5 DNS 4-21 domain name 3-14, 4-21 Index domain name server 3-14 Domain Name System (DNS) 4-21...
  • Page 167 3-17 LAN LED 1-3 LAN port 1-4 lease 4-10 lease time 3-18, 4-21 LAN 1-3 power 1-3 Cayman 2E-W User’s Guide November 2000 WAN 1-3 Wireless 1-3 line display 4-38 Local Area Network (LAN) 1-2 location, SNMP 4-39, 4-40...
  • Page 168 4-41 set system password command 4-42 set trafficshape commands 4-42 set wireless commands (802.11) 4-43 set wireless commands (HomeRF) 4-43 setup.exe program 6-3 show bridge interfaces 4-10 show bridge table 4-10 Cayman 2E-W User’s Guide November 2000...
  • Page 169 WAN 3-13, 3-20 SWIFT-IP 1-1 system contact 3-35 system contact, SNMP 4-39, 4-40 system diagnostics 4-41 system location 3-35 Cayman 2E-W User’s Guide November 2000 system name 3-11, 3-13, 3-15, 4-41 system password 4-42 technical specifications A-1 Telnet 3-26, 4-1, 4-31, 4-32...
  • Page 170 Wireless Setup Window 3-32 Index Cayman 2E-W User’s Guide November 2000...

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