routers & switches

Blog Post

10 commands you should master when working with the Cisco IOS

June 13, 2008 6:33am PDT

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...

12 Latest comment by career@...

Articles

Configure DHCP on a Cisco router or switch

May 5, 2005 7:00am PDT

Many administrators forget—or don't even realize—that they can configure Dynamic Host Configuration Protocol (DHCP) on Cisco IOS routers and switches. David Davis discusses the pros and cons of...

43 Latest comment by thedzaho

Articles

Properly set a Cisco router's clock and time zone

October 25, 2006 6:17pm PDT

Does setting the correct time on a router really matter? Actually, it does. In this edition of Cisco Routers and Switches, David Davis reviews the benefits of setting the correct time on your...

13 Latest comment by ciscoman84

Blog Post

Practice Cisco router configuration using a free emulator

January 10, 2008 11:47am PST

With a simulator, there are always missing commands and programming errors, and it can never really be as complete as the real IOS. However, because an emulator runs the IOS, you get every feature...

39 Latest comment by wizard57m-cnet

Articles

Understand the levels of privilege in the Cisco IOS

April 14, 2005 7:00am PDT

Many network administrators who work with the Cisco IOS never bother to think about the level of privilege they're using or what that level means. However, the Cisco IOS actually offers 16...

8 Latest comment by eventhefield

Blog Post

jQuery: How to get objects by ID, Class, Tag, and Attribute

April 3, 2012 1:24pm PDT

Ryan Boudreaux continues his tutorial on getting acquainted with jQuery by showing you how to get objects by ID and Class selectors and by Tag and Attribute.

4 Latest comment by jeandavid54

Blog Post

How to determine what device is on what port on your Cisco switch

November 8, 2007 2:58pm PST

When your network is in crisis, it's important to know which device is connected to which switch port without having to run to the network room. David Davis discusses network analysis applications...

37 Latest comment by paulroberts

Blog Post

Signs a client may not be ready for managed services

May 15, 2013 9:44am PDT

Warning bells should go off in your head if you spot any of these items indicating managed services are not a priority at a prospective client's site.

6 Latest comment by IT_Lunatic

Blog Post

Create a test machine in Windows 8 Client Hyper-V

October 3, 2012 12:47pm PDT

Greg Shultz shows you how to setup and configure Windows 8's Client Hyper-V.

11 Latest comment by Greg Shultz

Articles

Cisco administration 101: Five interface commands you should know

August 10, 2006 7:29pm PDT

Whether you're a seasoned admin or a newbie, it's always a good idea to review from time to time. When working with routers and switches, you usually don't have to configure an interface using the...

12 Latest comment by Syed Abdul Ali

Blog Post

Use Robocopy's multi-threaded feature to quickly back up your data in Windows 7

October 26, 2010 10:58am PDT

Greg Shultz shows you how to take advantage of Robocopy's multi-threaded copy feature to create an exact mirrored duplicate of your user profile folder.

19 Latest comment by dennis@...

Articles

Get to know your logging options in the Cisco IOS

June 15, 2006 9:31pm PDT

Knowing how to properly use logging is a necessary skill for any network administrator, and the Cisco IOS offers many options for logging. To help bring you up to speed, David Davis discusses how...

6 Latest comment by Polypeter

Image Gallery

Cracking open the Linksys WRT54G wireless router

April 19, 2007 11:24am PDT

The Linksys WRT54G Wireless Router is one of the most common 802.11g devices deployed. A favorite of everyone from Linux fans to Windows users, here's a look inside what powers this ubiquitous device.

38 Latest comment by animoid

Blog Post

Configure lines and VTYs on Cisco routers

December 13, 2007 10:09am PST

All Cisco routers have two special types of lines, and many Cisco routers have a third. What are these lines, and how do you configure them? These are things that every network admin should know.

14 Latest comment by vijayasankarj

Blog Post

DIY: Extend your wireless range on the cheap with a second wireless access point

March 24, 2012 4:58pm PDT

If your business needs to extend its wireless range but doesn't have the budget for a complex setup, Jack Wallen has the solution for you.

Blog Post

Limit bandwidth on a Cisco Catalyst switch port

December 6, 2007 1:07pm PST

A TechRepublic reader recently e-mailed me to ask about limiting the bandwidth on a Cisco Catalyst switch port. In fact, there are a number of uses for this configuration. Let's take a closer look.

26 Latest comment by vivs1987

Blog Post

The 10 Cisco IOS Router file management commands you must know

December 12, 2008 6:00am PST

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...

12 Latest comment by rwhybrow@...

Image Gallery

How to configure ACS 5.2 for 802.1x authentication on a Cisco switch

April 13, 2011 10:50am PDT

These screenshots cover the basics of configuring ACS 5.2 for 802.1x authentication on a Cisco switch. Brandon Carroll presents this as a method for dealing with the explosion of consumer devices...

Articles

Configure QoS on your Cisco router with this template

November 16, 2006 7:48pm PST

Using quality of service (QoS) on Cisco network devices helps provide both bandwidth and priority to certain types of network traffic. In this edition of Cisco Routers and Switches, David Davis...

35 Latest comment by nur_raziel

Blog Post

Configure SNMP on a Cisco router or switch

June 28, 2007 9:49am PDT

The Simple Network Management Protocol (SNMP) is a necessary tool for every network administrator. You can easily configure it with just a few commands. SNMP is still the most popular way to...

12 Latest comment by banatoh