Cisco Systems Cisco 3600 manual Troubleshooting A-1

Contents

A P P E N D I X	A	Troubleshooting A-1
		Isolating Problems	A-1
		Troubleshooting the Power and Cooling Systems								A-2
		Environmental Reporting Features					A-3
		Troubleshooting Modules, Cables, and Connections								A-3
		Reading Front-Panel LEDs			A-4
		Front-Panel LEDs on Cisco 3620, Cisco 3640, and Cisco 3660 Routers A-4
		Front-Panel LEDs on Cisco 3631 Routers						A-7
		Reading Rear-Panel LEDs			A-8
		Rear-Panel LEDs on Cisco 3631 Routers						A-8
		Rear-Panel LEDs on Cisco 3660 Routers						A-9
		Error Messages	A-10
		Cisco 3600 Series Error Messages					A-10
		Cisco 3660 Error Messages				A-12
		Recovering a Lost Password			A-16
		Using the ROM Monitor
A P P E N D I X	B			B-1
		Entering ROM Monitor Mode B-1
		ROM Monitor Commands			B-2
		ROM Monitor Syntax Conventions				B-3
		ROM Monitor Command Descriptions					B-4
		Router Management Commands					B-4
		Boot Commands in the ROM Monitor							B-4
		Informational Commands in the ROM Monitor								B-6
		Other Useful ROM Monitor Commands							B-6
		Debugging Commands			B-7
		Configuration Register Commands					B-7
		Recovering Cisco IOS Software Images					B-9
		Description and Options of the xmodem Command								B-9
		Console Requirements			B-9
		Procedure for the xmodem Command						B-10
		Configuration Register
A P P E N D I X	C			C-1
		Configuration Register Settings				C-1
		Changing Configuration Register Settings						C-2
		Configuring the Boot Field			C-4
		Enabling Booting from Flash Memory					C-6

I N D E X

	Cisco 3600 Series Routers Hardware Installation Guide
vi	OL-2056-05