Cisco Systems Troubleshooting Cisco ROMmon on the 7201 Router: Initial Startup Problems and Commands

Chapter 5 Troubleshooting Initial Startup Problems

ROMmon Prompt: rommon >

Step 4 Reload the router using the reload command. Do not save the configuration.

7201(boot)# reload

System configuration has been modified. Save? [yes/no]: no [confirm]

System Bootstrap, Version 12.4(12.2r)T, RELEASE SOFTWARE (fc1) Technical Support: http://www.cisco.com/techsupport Copyright (c) 2006 by cisco Systems, Inc.

Socket jumper: not present Failsafe jumper: present = normal FPGA revision 0x00000015 C7200 platform with 1046528 Kbytes of main memory

Readonly ROMMON initialized rommon 1 >

The router should now be in ROMmon mode (rommon >). Follow the instructions in the “ROMmon Prompt: rommon >” section on page 5-10to boot the router from ROMmon.

For an example of this complete process, see the “Complete Boot Prompt and ROMmon Prompt Example” section on page 5-11.

ROMmon Prompt: rommon >

Use this procedure to recover a router stuck in ROMmon mode at the: rommon > prompt.

Step 1 Check the contents of the flash file system by entering the dir file-system:command:

rommon 1> dir disk0:

222132744 Jan 22 2007 18:29:48 +00:00 c7200p-js-mz

6a

234317816 bytes available (22132744 bytes used)

Step 2 If the flash file system has a valid Cisco IOS image, follow the instructions in step a. If the flash file system does not have a valid Cisco IOS image, follow the instructions in step b.

a.If a flash file system has a valid Cisco IOS image, boot the router using the boot file-system:image-namecommand.

rommon 2 > boot disk0:c7200p-js-mz

Self decompressing the image :

################################################################################

################################################################################

################################################################################

################################################################################

################################################################################

################################################################################

############################################# [OK]

<some output removed for brevity>

Cisco 7201 (c7201) processor (revision B) with 917504K/65536K bytes of memory.

Processor board ID 74832279

	MPC7448 CPU at 1666Mhz, Implementation 0, Rev 2.2
	1 slot midplane, Version 2.0
	Cisco 7201 Installation and Configuration Guide
5-10	OL-11364-04