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Latest from daviddavis

  • The 10 Cisco IOS Router file management commands you must know
    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.

    daviddavis
    Published:  December 11, 2008, 10:00 PM PST Modified:  December 11, 2008, 10:00 PM PST Read More See more Networking
  • PacketTrap Perspective provides network management tools for Cisco
    Networking

    PacketTrap Perspective provides network management tools for Cisco

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

    daviddavis
    Published:  October 8, 2008, 2:37 AM PDT Modified:  October 10, 2008, 6:56 AM PDT Read More See more Networking
  • What is AAA and how do you configure it in the Cisco IOS?
    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.

    daviddavis
    Published:  September 18, 2008, 11:00 PM PDT Modified:  September 18, 2008, 11:00 PM PDT Read More See more Security
  • Increase network bandwidth using Cisco’s EtherChannel
    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.

    daviddavis
    Published:  September 11, 2008, 11:00 PM PDT Modified:  September 11, 2008, 11:00 PM PDT Read More See more Networking
  • How to view Cisco IOS ACL statistics
    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.

    daviddavis
    Published:  July 16, 2008, 11:00 PM PDT Modified:  July 16, 2008, 11:00 PM PDT Read More See more Security
  • Understand the levels of privilege in the Cisco IOS
    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.

    daviddavis
    Published:  June 19, 2008, 11:46 PM PDT Modified:  June 19, 2008, 11:46 PM PDT Read More See more Networking
  • 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.

    daviddavis
    Published:  June 12, 2008, 11:33 PM PDT Modified:  March 31, 2023, 12:26 PM EDT Read More See more Networking
  • Use the Cisco IOS archive command to archive your router’s configuration
    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.

    daviddavis
    Published:  May 29, 2008, 1:32 AM PDT Modified:  May 29, 2008, 1:32 AM PDT Read More See more Networking
  • Filter ICMP traffic in the Cisco IOS
    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.

    daviddavis
    Published:  May 15, 2008, 6:24 AM PDT Modified:  May 15, 2008, 6:24 AM PDT Read More See more Collaboration
  • Fundamentals: Five ways to secure your Cisco routers and switches
    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.

    daviddavis
    Published:  April 2, 2008, 11:49 PM PDT Modified:  April 2, 2008, 11:49 PM PDT Read More See more Networking
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