Cisco Cisco IOS Software Release 12.0(2a)T1 トラブルシューティングガイド
ROMmon Recovery for the Cisco 1700 Series
Router
Router
Document ID: 15077
Contents
Introduction
Prerequisites
Requirements
Components Used
Conventions
Find a Valid Image in Flash
Download Using TFTP from ROMmon
Download Using X−modem from ROMmon
Related Information
Prerequisites
Requirements
Components Used
Conventions
Find a Valid Image in Flash
Download Using TFTP from ROMmon
Download Using X−modem from ROMmon
Related Information
Introduction
This document describes how to recover a Cisco 1700 series router stuck in ROM monitor (ROMmon)
(
(
rommon#
> prompt).
Prerequisites
Requirements
There are no specific requirements for this document.
Components Used
The information in this document is based on this hardware version:
Cisco 1700 Series Routers
•
The information presented in this document was created from devices in a specific lab environment. All of the
devices used in this document started with a cleared (default) configuration. If you are working in a live
network, ensure that you understand the potential impact of any command before using it.
devices used in this document started with a cleared (default) configuration. If you are working in a live
network, ensure that you understand the potential impact of any command before using it.
Conventions
For more information on document conventions, refer to the Cisco Technical Tips Conventions.
Find a Valid Image in Flash
The first thing you need to do is issue the dir flash: command for each available device, and look for a valid
Cisco IOS® Software image.
Cisco IOS® Software image.
rommon 3 > dir flash:
File size Checksum File name
3307884 bytes (0x804b4c) 0x6ba0 c1700−ny−mz.121−6.bin
rommon 4 >