Configuration register is | Cisco Systems 1700 instruction

Chapter 3 Troubleshooting

Step 4 At the user EXEC prompt (Router>), enter the show version command to display the existing configuration register value (shown in bold at the bottom of this example output):

Router> show version

Cisco Internetwork Operating System Software IOS (tm) C1700 Software (C1700-BNOR2SY56I-M), Experimental Version 12.0(19980725:020859) [aiyagari-devtest_0724 100]

Copyright (c) 1986-1998 by cisco Systems, Inc. Compiled Fri 24-Jul-98 19:09 by aiyagari Image text-base: 0x80008084, data-base: 0x8084356C

ROM: System Bootstrap, Version 11.3(19980612:045022) [rochen-v35-rommon-release-devtest 101],

INTERIM SOFTWARE

Router uptime is 15 minutes

System restarted by power-on

Running default software

cisco 1720 (MPC860) processor (revision 0x00) with 22119K/2457K bytes of memory.

Processor board ID 0000 (1314672220), with hardware revision 0000

M860 processor: part number 0, mask 32 Bridging software.

X.25 software, Version 3.0.0.

1 FastEthernet/IEEE 802.3 interface(s)

1 Serial(sync/async) network interface(s)

32K bytes of non-volatile configuration memory.

4096K bytes of processor board System flash (Read/Write)

Configuration register is 0x0

Step 5 Record the setting of the configuration register. It is usually 0x2102 or 0x102.

Step 6 Record the break setting.

•

•

Break enabled—bit 8 is set to 0.

Break disabled (default setting)—bit 8 is set to 1.

		Cisco 1700 Router Hardware Installation Guide
		Cisco 1700 Router Hardware Installation Guide
	78-5405-03			3-3
	78-5405-03			3-3

Image 51

Cisco Systems 1700 manual Configuration register is

Contents

Corporate Headquarters Cisco 1700 Router Hardware Installation GuidePage Cisco 1700 Router Hardware Installation Guide Page N T E N T S Wall-Mounting Troubleshooting Vii Viii Audience and Scope About This Guide Related Publications Organization Conventions Xii Xiii Obtaining Documentation Cisco.comDocumentation DVD Documentation Feedback Cisco Product Security OverviewOrdering Documentation Psirt Reporting Security Problems in Cisco Products Cisco Technical Support Website Obtaining Technical Assistance Definitions of Service Request Severity Submitting a Service Request Obtaining Additional Publications and Information Cisco 1700 Router Hardware Installation Guide 78-5405-03 Cisco 1700 Router Overview Cisco 1700 Router Key Features Key FeaturesFeature Description Rear-Panel Connectors Connector/Slot Label/Color DescriptionRear-Panel Ports and LEDs LED Label Color Description Rear-Panel LEDs COL Front-Panel LEDsPWR ACT ACT/CH1 ACT/CHØ Types of Memory Router Memory 1700# show version Amounts of Memory Additional Required Equipment Router Box ContentsEquipment When You Use It Unpacking the Router NT1 Hardware Installation Guide that comes with every card Cisco 1700 Router Overview Before Installing the Router Installing the Cisco 1700 Router Connecting the Router to Your Local Network Connecting the Router to the Local Network Safety Information Installing WAN Interface Cards Installing the Cards in Correct Sequence Installing a WAN Interface Card Installing the Cards Inserting a WAN Interface Card in the Router Connecting Power to the Router Connecting the Power Supply Verifying Your Installation Connecting a PC Optional Installation Steps Connecting the Console Cable to the Router Connecting a Modem Connecting a Modem to the Router Wall-Mount Brackets-Bottom of Router Wall-Mounting Installing the Cisco 1700 Router Installing the Cisco 1700 Router Contacting Cisco or Your Reseller Troubleshooting Change the Configuration Register Recovering a Lost Password Configuration register is Reset the Router Reset the Password Reset the Configuration Register Value Problem Solving Number of Blinks Meaning OK LED DiagnosticsTroubleshooting WAN Interface Cards and Cables OK LED Blinking Patterns Symptom Possible Causes Troubleshooting WAN Interface Cards Troubleshooting the Power System Symptom Possible CausesTroubleshooting the Power System Troubleshooting Isdn Isdn U Isdn S/T Use show isdn status Troubleshooting Isdn Description Specification Table A-1 Router Specifications Appendix a Technical Specifications Cabling Specifications RJ-45 Pin Signal Direction Ethernet CablesTX+ RX+ Table B-2 Ethernet Cabling Guidelines Specification 10BaseT 100BaseTXEthernet Network Cabling Guidelines Console Cable and Adapters Port Console Cable Adapter Signal RJ-45 Pin DB-9 Pin DB-25 PinTable B-3 Console Cable and Adapter Pinouts Console Terminal Installing and Upgrading Router Memory Opening the Chassis Figure C-1 Removing the Chassis Screws Figure C-2 Cisco 1700 Motherboard-Memory Locations Locating Memory Figure C-3 Mini-Flash Module Installing a Mini-Flash Module Removing a Mini-Flash Module Figure C-4 Installing a Mini-Flash Module Figure C-5 Removing a Mini-Flash Module Installing a Dimm Closing the Chassis Figure C-6 Installing a Dimm Figure C-7 Closing the Chassis Appendix C Installing and Upgrading Router Memory Isdn BRI Line Configuration Requirements Ordering and Configuring an Isdn Line Isdn BRI Switch Types Table D-1 Isdn BRI Switch TypesSwitch Type Keywords Mterm = Isdn BRI Provisioning by Switch TypeTable D-2 Isdn Provisioning by Switch Type Switch Type Provisioning Defining Isdn Service Profile Identifiers Snapshot Routing Isdn Configuration Options Dial-on-Demand Routing Bandwidth on Demand and Dial Backup Numerics IN-2 IN-3 IN-4 IN-5 IN-6