upgrade

Introduction

The Cisco 837 ADSL / Broadband router like most Cisco routers can have it's software( firmware ) upgraded. Generally this isn't a difficult process but it is a bit fiddly if you haven't done it before. This guide will walk you through this process.

Requirements

Cisco 837 router and Cisco console cable

Fairly obvious really, this is the router you wish to upgrade and the cisco serial cable used to configure the router.

Cisco 837 Firmware image

Command to set boot system switch all flash failed

If you are using upgrading the Cisco IOS version on the switch stack manually you normally set the boot variable on the switches to use the new IOS file you have uploaded. If your switch stack has more than one member (it isn't really a stack if it doesn't) you must copy the ios to the flash of each member switch.

Otherwise when you issue the

command