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Networking

The 10 Cisco IOS Router file management commands you must know

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.

Networking

PacketTrap Perspective provides network management tools for Cisco

Cisco blogger David Davis walks you through PacketTrap's new network management platform, Perspective.

Security

What is AAA and how do you configure it in the Cisco IOS?

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.

Networking

Increase network bandwidth using Cisco’s EtherChannel

David Davis explains how to configure EtherChannel to increase your bandwidth and provide redundancy on a Cisco network.

Security

How to view Cisco IOS ACL statistics

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.

Networking

Understand the levels of privilege in the Cisco IOS

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.

IT engineer standing at servers in data center — Image: Getty Images/iStockphoto, zhuyufang

Networking

10 commands you should master when working with the Cisco IOS

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.

Networking

Use the Cisco IOS archive command to archive your router’s configuration

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.

Collaboration

Filter ICMP traffic in the Cisco IOS

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.

Networking

Fundamentals: Five ways to secure your Cisco routers and switches

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.

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The purpose of this policy from TechRepublic Premium is to provide guidelines for the appropriate retention and disposal of physical and electronic documents. Specifically, this policy establishes and describes how the company expects its employees to manage company information (whether electronic files, hard copies or other formats) from creation through destruction, according to applicable laws ...

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daviddavis

The 10 Cisco IOS Router file management commands you must know

PacketTrap Perspective provides network management tools for Cisco

What is AAA and how do you configure it in the Cisco IOS?

Increase network bandwidth using Cisco’s EtherChannel

How to view Cisco IOS ACL statistics

Understand the levels of privilege in the Cisco IOS

10 commands you should master when working with the Cisco IOS

Use the Cisco IOS archive command to archive your router’s configuration

Filter ICMP traffic in the Cisco IOS

Fundamentals: Five ways to secure your Cisco routers and switches

Cross-training tool kit

Document retention policy

Checklist: How to manage your backups

Hiring kit: Prompt engineer