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Cisco 1721 - VPN Security Router Bundle Hardware Installation Manual

Hardware installation guide
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Cisco 1721 Router Hardware
Installation Guide
Corporate Headquarters
Cisco Systems, Inc.
170 West Tasman Drive
San Jose, CA 95134-1706
USA
http://www.cisco.com
Tel:
408 526-4000
800 553-NETS (6387)
Fax:
408 526-4100
Customer Order Number: DOC-7813834=
Text Part Number: 78-13834-02

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Summary of Contents for Cisco 1721 - VPN Security Router Bundle

  • Page 1 Cisco 1721 Router Hardware Installation Guide Corporate Headquarters Cisco Systems, Inc. 170 West Tasman Drive San Jose, CA 95134-1706 http://www.cisco.com Tel: 408 526-4000 800 553-NETS (6387) Fax: 408 526-4100 Customer Order Number: DOC-7813834= Text Part Number: 78-13834-02...
  • Page 2 You can determine whether your equipment is causing interference by turning it off. If the interference stops, it was probably caused by the Cisco equipment or one of its peripheral devices. If the equipment causes interference to radio or television reception, try to correct the interference by using one or more of the following measures: •...
  • Page 3 CCSP, CCVP, the Cisco Square Bridge logo, Follow Me Browsing, and StackWise are trademarks of Cisco Systems, Inc.; Changing the Way We Work, Live, Play, and Learn, and iQuick Study are service marks of Cisco Systems, Inc.; and Access Registrar, Aironet, ASIST, BPX, Catalyst, CCDA, CCDP,...

  • Page 5: Table Of Contents

    Ordering Documentation xvii Documentation Feedback xviii Cisco Product Security Overview xviii Reporting Security Problems in Cisco Products Obtaining Technical Assistance Cisco Technical Support Website Submitting a Service Request Definitions of Service Request Severity Obtaining Additional Publications and Information xxii...
  • Page 6 C H A P T E R Contacting Your Cisco Reseller Recovering a Lost Password Determining the Configuration Register Value Resetting the Router Resetting the Password Resetting the Configuration Register Value Problem Solving Cisco 1721 Router Hardware Installation Guide viii 78-13834-02...
  • Page 7 A P P E N D I X ISDN BRI Line Configuration Requirements ISDN BRI Switch Types ISDN BRI Provisioning by Switch Type Defining ISDN Service Profile Identifiers ISDN Configuration Options Snapshot Routing Dial-on-Demand Routing Cisco 1721 Router Hardware Installation Guide 78-13834-02...
  • Page 8 Contents Bandwidth on Demand and Dial Backup N D E X Cisco 1721 Router Hardware Installation Guide 78-13834-02...

  • Page 9: Preface

    Cisco 1721 router users should be familiar with the terminology and concepts of local Ethernet and wide-area networking. This guide describes the functional and physical features of the Cisco 1721 router and provides installation procedures, troubleshooting information, technical specifications, and cable and connector guidelines and specifications.

  • Page 10: Related Documentation

    Appendix D, “Ordering and Configuring an ISDN Line,” describes how to • order and configure ISDN line so that it will operate with a Cisco 1700 Series router. Related Documentation The following publications provide related information on this product: The Quick Start Guide for Installing Your Cisco 1721 Router, which came •...

  • Page 11: Conventions

    Voor vertalingen van de waarschuwingen die in deze publicatie verschijnen, kunt u het document Regulatory Compliance and Safety Information (Informatie over naleving van veiligheids- en andere voorschriften) raadplegen dat bij dit toestel is ingesloten. Cisco 1721 Router Hardware Installation Guide xiii 78-13834-02...
  • Page 12 La traduzione delle avvertenze riportate in questa pubblicazione si trova nel documento Regulatory Compliance and Safety Information (Conformità alle norme e informazioni sulla sicurezza) che accompagna questo dispositivo. Cisco 1721 Router Hardware Installation Guide 78-13834-02...
  • Page 13 Se förklaringar av de varningar som förkommer i denna publikation i dokumentet Regulatory Compliance and Safety Information (Efterrättelse av föreskrifter och säkerhetsinformation), vilket medföljer denna anordning. Cisco 1721 Router Hardware Installation Guide 78-13834-02...

  • Page 14: Commands

    Obtaining Documentation Cisco documentation and additional literature are available on Cisco.com. Cisco also provides several ways to obtain technical assistance and other technical resources. These sections explain how to obtain technical information from Cisco Systems. Cisco 1721 Router Hardware Installation Guide...

  • Page 15: Cisco.com

    Preface Obtaining Documentation Cisco.com You can access the most current Cisco documentation at this URL: http://www.cisco.com/univercd/home/home.htm You can access the Cisco website at this URL: http://www.cisco.com You can access international Cisco websites at this URL: http://www.cisco.com/public/countries_languages.shtml Documentation DVD Cisco documentation and additional literature are available in a Documentation DVD package, which may have shipped with your product.

  • Page 16: Documentation Feedback

    • Register to receive security information from Cisco. • A current list of security advisories and notices for Cisco products is available at this URL: http://www.cisco.com/go/psirt If you prefer to see advisories and notices as they are updated in real time, you...

  • Page 17: Reporting Security Problems In Cisco Products

    Cisco is committed to delivering secure products. We test our products internally before we release them, and we strive to correct all vulnerabilities quickly. If you think that you might have identified a vulnerability in a Cisco product, contact PSIRT: Emergencies —...

  • Page 18: Cisco Technical Support Website

    URL: http://www.cisco.com/techsupport Access to all tools on the Cisco Technical Support Website requires a Cisco.com user ID and password. If you have a valid service contract but do not have a user ID or password, you can register at this URL: http://tools.cisco.com/RPF/register/register.do...

  • Page 19: Definitions Of Service Request Severity

    For S1 or S2 service requests or if you do not have Internet access, contact the Cisco TAC by telephone. (S1 or S2 service requests are those in which your production network is down or severely degraded.) Cisco TAC engineers are assigned immediately to S1 and S2 service requests to help keep your business operations running smoothly.

  • Page 20: Obtaining Additional Publications And Information

    Cisco Press publishes a wide range of general networking, training and • certification titles. Both new and experienced users will benefit from these publications. For current Cisco Press titles and other information, go to Cisco Press at this URL: http://www.ciscopress.com Packet magazine is the Cisco Systems technical user magazine for •...
  • Page 21 Preface Obtaining Additional Publications and Information World-class networking training is available from Cisco. You can view • current offerings at this URL: http://www.cisco.com/en/US/learning/index.html Cisco 1721 Router Hardware Installation Guide xxiii 78-13834-02...
  • Page 22 Preface Obtaining Additional Publications and Information Cisco 1721 Router Hardware Installation Guide xxiv 78-13834-02...

  • Page 23: Cisco 1721 Router Overview

    C H A P T E R Cisco 1721 Router Overview This chapter introduces the Cisco 1721 router, also referred to in this guide as the router, and covers the following topics: Key Features • Back Panel Ports and LEDs •...

  • Page 24: Key Features

    P W R W IC 0 W IC 1 A C T /C A C T /C E T H A C T A C T /C A C T /C C O L Cisco 1721 Router Hardware Installation Guide 78-13834-02...
  • Page 25 Router can be secured to a desktop or other surface using Kensington lockdown equipment. Cisco ConfigMaker support You can set up networks that include the Cisco 1721 router using the Cisco ConfigMaker application, a wizards-based software tool that helps you easily configure and address Cisco routers, access servers, hubs, switches, and networks.

  • Page 26: Back Panel Ports And Leds

    Auxiliary port Connects to a modem for remote configuration with (black) Cisco IOS software. Console port CONSOLE Connects to a terminal or PC for local configuration (blue) using Cisco IOS software. Cisco 1721 Router Hardware Installation Guide 78-13834-02...

  • Page 27: Front Panel Leds

    Back Panel Connectors (continued) Connector/Slot Label/Color Description WIC slot 0 No label Supports one Cisco WIC. For detailed information, refer (WIC0) to the Cisco WAN Interface Cards Hardware Installation Guide, which comes with every card. WIC slot 1 No label Supports one Cisco WIC.
  • Page 28 ISDN cards—On solid when the second ISDN B channel is up for the card in the WIC0 slot 2-port serial cards—Blinks when data is being sent to or received from the second port on the 2-port card in the WIC0 slot. Cisco 1721 Router Hardware Installation Guide 78-13834-02...

  • Page 29: Router Memory

    For instruction on how to upgrade memory in the router, see Appendix C, “Installing and Upgrading Memory and Virtual Private Network Modules.” Cisco 1721 Router Hardware Installation Guide 78-13834-02...

  • Page 30: Types Of Memory

    Cisco IOS software. The Flash memory structure can store multiple copies of the Cisco IOS software. You can load a new level of the operating system in every router in your network and then, when convenient, upgrade the whole network to the new level.

  • Page 31: Unpacking The Router

    Console cable, RJ-45 to DB-9 (light blue) • • Product documentation Additional Required Equipment Depending on your local network and on which Cisco WICs you install in your router, you will require other items, listed in Table 1-6, to complete your router installation.
  • Page 32 When You Use It Ethernet hub A hub connects pieces of network equipment (including the Cisco 1721 router) to create a network. You can use a 10-, 100-, or 10/100-Mbps hub with the Cisco 1721 router. Ethernet switch A switch connects pieces of network equipment (including the Cisco 1721 router) to create a network.

  • Page 33: Installation

    • Optional Installation Steps Before Installing the Router The Cisco 1721 router is shipped ready for desktop mounting. Before making the power and network connections, simply set the router on a desktop, shelf, or other flat surface. For instructions on wall-mounting the router, see the “Wall-Mounting”...

  • Page 34: Chapter 2 Installation

    (4.5 kg). Excessive weight on top of the router could damage the chassis. Connecting the Router to Your Local Network The Cisco 1721 router is connected to your local Ethernet network through the yellow 10/100 Ethernet port. You must provide the following items for this...
  • Page 35 Ethernet hub or switch (10, 100, or 10/100 Mbps) A U I Straight-through Ethernet cable Connect the other end of the cable to a network port on the hub or switch. Step 2 Cisco 1721 Router Hardware Installation Guide 78-13834-02...

  • Page 36: Installing Wics

    Installing WICs Installing WICs The Cisco 1721 router supports one or two Cisco WAN interface cards (WICs). Each card has one or two WAN ports. This section describes the general procedure for installing a card in the Cisco 1721 router.

  • Page 37: Wic Installation

    WIC0 slot to ensure that your software configuration will not be affected if you install a second card at a later time. If you are installing a second WIC in a Cisco 1721 that has a card installed in the WIC1 slot, follow this general procedure to prevent having to reconfigure your...
  • Page 38 Chapter 2 Installation Installing WICs Installing the Cards Follow these steps to install the card in a Cisco 1721 router: Make sure that the power switch is set to the STANDBY position ( ) and that Step 1 the power cable is not connected to the power socket on the rear panel.
  • Page 39 Insert the card in the slot and gently push it into the router until the front panel of Step 4 the card is flush with the rear panel of the router. Tighten the screws. Step 5 Cisco 1721 Router Hardware Installation Guide 78-13834-02...

  • Page 40: Connecting Power To The Router

    Take the following steps to connect power to the router and to turn the router on: Connect the attached power-supply cord to the power socket (labeled +5, +12, Step 1 -12 VDC) on the router rear panel, as shown in Figure 2-4. Cisco 1721 Router Hardware Installation Guide 78-13834-02...

  • Page 41: Verifying Your Installation

    Verifying Your Installation You can verify that you have correctly installed the router by checking the following LEDs: PWR (front panel)—On when power is being supplied to the router. • Cisco 1721 Router Hardware Installation Guide 78-13834-02...

  • Page 42: Optional Installation Steps

    • Connecting a PC If you want to configure the router by using the Cisco IOS command-line interface, you must connect the router console port to a terminal or PC. The cable and adapter required for this connection are included with the router.
  • Page 43 The software should be configured with the following parameters: 9600 baud, 8 data bits, no parity bits, 1 stop bit. Refer to the Cisco 1700 Router Software Configuration Guide that came with your router for detailed information about configuring the router using Cisco IOS software.

  • Page 44: Connecting A Modem

    1 2 , -1 2 V D AUX port (RJ-45) Modem Console cable DB-9-to-DB-25 adapter Connect the DB-9 end of the cable to the DB-9 end of the DB-9-to-DB-25 adapter. Step 2 Cisco 1721 Router Hardware Installation Guide 2-12 78-13834-02...

  • Page 45: Wall-Mounting

    Connect the DB-25 end of the adapter to the modem. Step 3 Wall-Mounting The Cisco 1721 router can be wall-mounted using two number six, 3/4-inch screws and the molded mounting brackets on the bottom of the hub, as shown in Figure 2-7.

  • Page 46: Stacking The Router

    Stacking the Router You can stack one Cisco 1721 router in a four-device stack, along with other Cisco products designed to be stacked with the router. You can stack each device directly on top of another device.
  • Page 47 Figure 2-9. Slide the clip Step 1 forward so that the front tabs slide into the vent slots. Make sure that the rear hooks fit over the edge of the lower device. Cisco 1721 Router Hardware Installation Guide 2-15 78-13834-02...
  • Page 48 Position the router onto the clips so that the rear hooks fit over the edge of the Step 2 router. Snap the router to the clip by pushing it down. Make sure that the plastic fastener Step 3 fits into the bottom of the router. Cisco 1721 Router Hardware Installation Guide 2-16 78-13834-02...

  • Page 49: Unstacking The Router

    Slide the clip and router toward you. Step 2 Use both hands to lift the router and the stacking clip off the lower device. Step 3 Afterward, remove the clip from the bottom of the router. Cisco 1721 Router Hardware Installation Guide 2-17 78-13834-02...
  • Page 50 Chapter 2 Installation Optional Installation Steps Cisco 1721 Router Hardware Installation Guide 2-18 78-13834-02...

  • Page 51: Troubleshooting

    Troubleshooting Use the information in this chapter to help isolate problems you might encounter with the Cisco 1721 router or to rule out the router as the source of the problem. This appendix contains the following sections: Contacting Your Cisco Reseller •...

  • Page 52: Recovering A Lost Password

    • If you are using an enable password, you use this process to restore the router to its prior configuration. See the “Hot Tips” section on Cisco.com for additional information on Note replacing enable secret passwords. Determining the Configuration Register Value...
  • Page 53 ROM: System Bootstrap, Version 12.2(7r)XM1, RELEASE SOFTWARE (fc1) 1721 uptime is 4 days, 23 hours, 54 minutes System returned to ROM by reload Running default software cisco 1721 (MPC860P) processor (revision 0x101) with 36864K/12288K bytes of memory. Processor board ID VEN0539000D (3033334544), with hardware revision 0000 MPC860P processor: part number 5, mask 2 Bridging software.

  • Page 54: Resetting The Router

    --- System Configuration Dialog --- Enter no in response to the prompts until the following message is displayed: Step 5 Press RETURN to get started! Step 6 Press Return. The following prompt appears: Router> Cisco 1721 Router Hardware Installation Guide 78-13834-02...

  • Page 55: Chapter 3 Troubleshooting

    If you are resetting an enable secret password, you will not see it displayed in the show startup-config command output. Complete the password recovery process by performing the steps in the “Resetting the Password” section, which follows. Cisco 1721 Router Hardware Installation Guide 78-13834-02...

  • Page 56: Resetting The Password

    Step 1 Router# configure terminal Enter the config-register command and the original configuration register value Step 2 that you recorded in Step 5 in the “Determining the Configuration Register Value” section on page 3-2. Cisco 1721 Router Hardware Installation Guide 78-13834-02...

  • Page 57: Problem Solving

    WICs—Refer to the LEDs on the cards and the LEDs on the router front panel • to help identify a failure. For more information on WICs, refer to the Cisco WAN Interface Cards Hardware Installation Guide, which comes with each card. Cables—Check all the external cables that connect the router to the network.

  • Page 58: Troubleshooting Wics And Cables

    Troubleshooting WICs and Cables Use the show diag command to help determine problems with a card. Table 3-2 lists problems that could occur with WAN interface cards (WICs) and the possible causes of these problems. Cisco 1721 Router Hardware Installation Guide 78-13834-02...
  • Page 59 Symptom Possible Cause(s) Router does not recognize • Confirm that the Cisco IOS software version installed in the router WIC. supports the WIC. The Cisco WAN Interface Cards Hardware Installation Guide lists the software requirements for each card. Make sure that the WIC is correctly installed in the router. See the •...

  • Page 60: Troubleshooting The Power System

    Cisco reseller for warranty information. is disconnected. Troubleshooting the Power System If the router external power supply fails, you should return it to your Cisco reseller. Table 3-3 list symptoms and possible causes of power problems.

  • Page 61: Troubleshooting Isdn

    For routers with an ISDN S/T WIC, enter the clear interface command to • terminate any active ISDN calls and to reset the ISDN BRI interface. Do this for each ISDN port installed in the router: Router# clear interface bri0 Router# clear interface bri1 Cisco 1721 Router Hardware Installation Guide 3-11 78-13834-02...
  • Page 62 Is the ISDN line If the line is connected to the • • connected to the card port, the ISDN line might be ISDN U port? malfunctioning. Check with your ISDN service provider. Cisco 1721 Router Hardware Installation Guide 3-12 78-13834-02...

  • Page 63: Appendix

    A P P E N D I X Technical Specifications Table A-1 lists hardware and operating specifications for the Cisco 1721 router. Table A-1 Cisco 1721 Router Specifications Description Specification Console port RJ-45 Auxiliary port RJ-45 Ethernet port RJ-45 Dimensions H x W x D 3.1 x 11.2 x 8.7 in.
  • Page 64 Appendix A Technical Specifications Cisco 1721 Router Hardware Installation Guide 78-13834-02...

  • Page 65: Appendix

    Ethernet Network Cabling Guidelines • Console Cable and Adapter • For information about cables used with Cisco WICs, refer to the Cisco WAN Note Interface Cards Hardware Installation Guide, which comes with each card. Ethernet Cables This section describes the Ethernet cables that are used to connect the router to your local Ethernet network.
  • Page 66 Cable type required UTP Category 5 or STP Category 3, 4, or 5 1. Hop count = Routing metric used to measure the distance between a source and a destination. Cisco 1721 Router Hardware Installation Guide 78-13834-02...

  • Page 67: Console Cable And Adapter

    This table also includes pinouts for the DB-9-to-DB-25 adapter. Table B-3 Console Cable and Adapter Pinouts Console Console Console Terminal (DTE) Port Cable Adapter (DTE) Signal RJ-45 Pin DB-9 Pin DB-25 Pin Signal Cisco 1721 Router Hardware Installation Guide 78-13834-02...
  • Page 68 Appendix B Cabling Specifications Console Cable and Adapter Cisco 1721 Router Hardware Installation Guide 78-13834-02...

  • Page 69: Appendix

    Installing and Upgrading Memory and Virtual Private Network Modules This chapter tells how to install or upgrade memory and how to install a Virtual Private Memory (VPN) module in your Cisco 1721 router and includes the following sections: Safety Warnings •...

  • Page 70: Opening The Chassis

    WAN ports. When detaching cables, detach the end away from the router first. Opening the Chassis In order to upgrade Cisco 1721 router memory, you must open the chassis. Opening the chassis requires a number one Phillips screwdriver. Follow these steps to open the chassis: Make sure the router is turned off and is disconnected from the power supply.
  • Page 71 Do this by disconnecting the fan cable from the connector (labeled FAN) on the motherboard. Place the router bottom on an antistatic mat, and begin installing memory. Step 6 Cisco 1721 Router Hardware Installation Guide 78-13834-02...

  • Page 72: Locating Modules

    VPN module on the router motherboard. Figure C-2 Cisco 1700 Motherboard—Memory Locations Rear panel of router WAN interface card slot WAN interface card slot [] [] Boot ROM DIMM slot VPN slot VPN standoff holes Cisco 1721 Router Hardware Installation Guide 78-13834-02...

  • Page 73: Installing A Dimm

    DIMM, as in Figure C-3. If the guides do not move up over the edge of the DIMM, move them with your hands. Cisco 1721 Router Hardware Installation Guide 78-13834-02...

  • Page 74: Installing A Vpn Module

    Install the two standoffs on the module, as shown in Figure C-4. Step 1 Figure C-4 Installing the Standoffs on the VPN Module Standoff is installed into the hole just behind Standoff the large connector. Screw Screw Cisco 1721 Router Hardware Installation Guide 78-13834-02...
  • Page 75 Locate the VPN module socket, and insert the VPN module, as shown in Step 2 Figure C-5. Figure C-5 VPN Module Location Pushing down as indicated in Figure C-6, plug the VPN module into the socket. Step 3 Figure C-6 Seating the VPN Module Cisco 1721 Router Hardware Installation Guide 78-13834-02...
  • Page 76 Turn the motherboard over, and attach the standoffs to it by using the screws provided, as shown in Figure C-7. Figure C-7 Securing the Standoff to the Router Motherboard Standoff screws Bottom of the board Cisco 1721 Router Hardware Installation Guide 78-13834-02...

  • Page 77: Closing The Chassis

    Line up the posts with the corresponding openings, as shown in Figure C-8, and Step 3 carefully slide the posts into the openings, taking care not to damage the router motherboard with the posts. Cisco 1721 Router Hardware Installation Guide 78-13834-02...
  • Page 78 Installing and Upgrading Memory and Virtual Private Network Modules Closing the Chassis Figure C-8 Closing the Chassis Replace the screws that you removed when you opened the chassis. (See Step 4 Figure C-1.) Cisco 1721 Router Hardware Installation Guide C-10 78-13834-02...

  • Page 79: Appendix

    Ordering and Configuring an ISDN Line This appendix tells how to order and configure an Integrated Services Digital Network (ISDN) Basic Rate Interface (BRI) line for use with a Cisco 1721 router with an ISDN BRI WIC installed. This appendix contains the following sections: ISDN BRI Line Configuration Requirements •...

  • Page 80: Isdn Bri Switch Types

    ISDN BRI supports a variety of service provider switches. Table D-1 lists, by geographic area, the ISDN switch types supported by a Cisco 1721 router ISDN BRI interface. Use the isdn switch-type command followed by the corresponding keyword. You must reboot the router after you enter this command in order for the change to take effect.

  • Page 81: Isdn Bri Provisioning By Switch Type

    Appendix D Ordering and Configuring an ISDN Line ISDN BRI Provisioning by Switch Type Table D-1 ISDN Switch Types Supported by the Cisco 1721 Router (continued) Switch Type Keyword New Zealand Net3 switches basic-nznet3 ISDN BRI Provisioning by Switch Type The ISDN BRI line is configured (or provisioned) for different types of services by the ISDN BRI service provider.
  • Page 82 Two directory numbers assigned by service provider. Two SPIDs required; assigned by service provider. Set speed for ISDN calls to 56 kbps outside local exchange. Directory number 1 can hunt to directory number 2. Cisco 1721 Router Hardware Installation Guide 78-13834-02...

  • Page 83: Defining Isdn Service Profile Identifiers

    Note SPIDs have significance only at the local-access ISDN interface. Every router that uses ISDN must be assigned SPIDs (if used by the service provider) by the service provider for that router. Cisco 1721 Router Hardware Installation Guide 78-13834-02...

  • Page 84: Isdn Configuration Options

    ISDN Configuration Options For information on how to configure Cisco 1721 router to dial in to a central-site router over ISDN, refer to the Cisco 1700 Router Software Configuration Guide. For more advanced information on configuring ISDN for Cisco 1700 routers, refer to the chapter “Configuring ISDN”...

  • Page 85: Dial-On-Demand Routing

    Configuration Guide for detailed information about DDR. Bandwidth on Demand and Dial Backup See the chapter “Configuring DDR” in the Wide-Area Networking Configuration Guide for detailed information about bandwidth on demand and dial backup. Cisco 1721 Router Hardware Installation Guide 78-13834-02...
  • Page 86 Appendix D Ordering and Configuring an ISDN Line ISDN Configuration Options Cisco 1721 Router Hardware Installation Guide 78-13834-02...
  • Page 87 1-3, 1-4 See calling-line identification illustration calling-line identification caution, definition xiii chassis closing back panel dimensions connectors opening description Cisco reseller, contacting 1-4 to 1-5 illustration closing chassis LEDs command conventions Cisco 1721 Router Hardware Installation Guide IN-1 78-13834-02...
  • Page 88 PC 2-10 pinouts console port requirements for networks connecting 2-11 Ethernet port description 1-3, 1-4 connecting 2-2, 2-3 illustration description 1-3, 1-4 specifications illustration conventions specifications command text xiii Cisco 1721 Router Hardware Installation Guide IN-2 78-13834-02...
  • Page 89 OK LED diagnostics 2-14 verifying using LEDs using to verify installation 2-4, 2-9 LINK LED C-6 to C-8 wall-mounting 2-13 WAN interface cards Integrated Services Digital Network See ISDN BRI memory Cisco 1721 Router Hardware Installation Guide IN-3 78-13834-02...

  • Page 90: Resetting The Router

    NVRAM resetting the router 3-4 to 3-5 router resetting 3-4 to 3-5 specifications OK LED unpacking 1-9, ?? to 1-9 description diagnostics opening chassis serial cable 1-10 service profile identifier Cisco 1721 Router Hardware Installation Guide IN-4 78-13834-02...
  • Page 91 Cisco reseller WIC0 OK LED password recovery WIC1 ACT/CH0 LED using the OK LED WIC1 ACT/CH1 LED WAN interface cards 3-8 to 3-10 WIC1 OK LED unpacking the router 1-9, ?? to 1-9 Cisco 1721 Router Hardware Installation Guide IN-5 78-13834-02...
  • Page 92 Index Cisco 1721 Router Hardware Installation Guide IN-6 78-13834-02...

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