How do I... Wipe data from Cisco routers and switches before discarding them
Source: Mike Mullins
PCs aren't the only hardware you need to worry about erasing corporate data from before donating—you should apply this best practice to any network device you're discarding, including Cisco routers and switches. Wiping the configuration of your network devices is the best way to keep a black hat from gaining easy access to your network infrastructure. In this download tutorial, Mike Mullins walks you through the process of clearing the configurations of both routers and switches.
This download is also available as a TechRepublic article.