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Access Control Lists (ACLs) – Part 5

Article | June 19, 2009

Having discussed general ACL rules and syntax, let’s now turn to the differences between standard and extended ACLs. As you might recall, numbered ACLs fall into several ranges: 1 – 99: Standard IP 100 – 199: Extended IP 1300 - 1999: Standard IP (expanded rang...

Printing PowerPoint Slides with Notes

Article | June 11, 2009

If you create presentations using the notes feature in PowerPoint, you probably have found yourself wanting to print multiple slides on one page (handouts) with the notes associated with those slides displayed on the same page. This layout can often help you better p...

Telnet vs SSH

Article | June 10, 2009

In our last blog series we discussed multiple access commands that can be configured on a router or a switch. These commands included cosmetic commands such as logging synchronous and exec-timeout that can be configured on the console port. We also discussed configur...

Telepresence Bandwidth Requirements

Article | June 08, 2009

Telepresence is a set of technologies that allow video conferencing in such a way that the user feels as if they are actually at the remote site. Cisco sells a variety of platforms in the telepresence space supporting up to three 65” high definition video displays,...

Configuring Terminal Access Banners

Article | June 04, 2009

In my last post we discussed basic terminal access. The commands that I reviewed were for accessing the console port or vty lines of a Cisco router or switch. Network administrators should configure banners for legal and liability purposes. Now, we will see how to co...

Basic Cisco Terminal Access

Article | June 02, 2009

Cisco Switches and Routers running the Internet Operating System (IOS) have many things in common. Configuring these devices of course, is a skill that is sharpened the more you touch the device. During this post, our discussion will primarily focus on the basic comm...

Triple Constraints Model

Article | June 01, 2009

The triple constraints model has been one of the main staples for teaching project management for as long as I can remember. The model is generally represented by a triangle with Scope on the horizontal leg, Time on the left leg, Cost or Resources on the right leg an...

Access Control Lists (ACLs) – Part 2

Article | May 29, 2009

In ACLs - Part 1 we learned the basics of access lists, including the facts that ACLs: Are created in global config mode End with an implicit “deny any” (which can be overridden) Must be placed into service somewhere to have any effect Thus, the commands: Rout...

Routing Tables - Part 2

Article | May 22, 2009

In Routing Tables part one, we covered the basic purpose of a routing table and how an end device or intermediate device such as a router or multilayer switch can route based off its table. We also viewed different routing tables and how they are used to find a given...