David Davis goes over the Cisco IOS commands you must know to manipulate files on your Cisco router flash, nvram, or other filesystems, allowing you to back up your configuration, upgrade your router, or just maintain the IOS file system.
Cisco blogger David Davis walks you through PacketTrap's new network management platform, Perspective.
You probably use Authentication, Authorization, and Accounting (AAA), in some form, every day. But what is AAA in terms of network security? David Davis tells you what you need to know about AAA and the basic configuration for it in the Cisco IOS.
David Davis explains how to configure EtherChannel to increase your bandwidth and provide redundancy on a Cisco network.
David Davis shows you how to view ACL statistics and, with the help of a new feature in the Cisco IOS, how you can view these usage statistics per interface and per direction.
The Cisco IOS actually offers 16 different privilege levels. David Davis discusses these different levels and introduces you to the main commands you'll need to configure these privileges.
Becoming proficient with the Cisco IOS means learning some essential commands. This quick reference describes 10 commands you'll need to rely on when handling various configuration and troubleshooting tasks.
David Davis introduces the Archive command in Cisco, which you can configure to log all commands on your router. If you need to back up to a previous configuration, or see what went wrong after a change, the Archive command will help you find your way.
While ICMP is required for IP network traffic redirection and pinging hosts on your LAN or WAN, ICMP can also pose a security concern. David Davis tells you about the basics of ICMP and how to filter it properly in the Cisco IOS.
David Davis describes the fundamentals of router security through a list of his top five best practices. He has also hand-picked resources that will give you further details on properly securing your routers.