Cisco CCNA / CCNP Home Lab Setup: How To Configure Reverse Telnet

Thursday, April 9th, 2009

Occasionally, during your CCNA and CCNP studies, you’ll run into a term that just doesn’t quite make sense to you. (Okay, more than occasionally!) One such term is “reverse telnet”. As a Cisco certification candidate, you know that telnet is simply a protocol that allows you to remotely connect to a networking [...]

Cisco CCNP Certification / BSCI Exam Tutorial: Comparing IRDP And HSRP

Sunday, April 5th, 2009

To pass the BSCI exam, you need to know the difference between IRDP and HSRP. While they have the same basic function, the operation and configuration of each are totally different.
The aim of both is to allow hosts to quickly discover a standby router when the primary router fails. IRDP is commonly used by Windows [...]

CCNA Certification Exam Tutorial: Cisco Switching Modes

Wednesday, April 1st, 2009

To pass the CCNA exam and earn this important certification, you’ve got to know switching inside and out. While you’re learning all the basic switching theory, make sure to spend some time with the one of three switching modes Cisco routers can use.
Store-and-Forward is exactly what it sounds like. The entire frame will [...]

CCNP / BSCI Exam Tutorial: Route Summarization And The OSPF Null Interface

Monday, March 9th, 2009

CCNP exam success, particularly on the BSCI exam, demands you understand the details of route summarization. This skill not only requires that you have a comfort level with binary conversions, but you have to know how and where to apply route summarization with each individual protocol.
You also have to know the “side effects” of [...]

Cisco CCNP / BSCI Exam Tutorial: RIP Update Packet Authentication

Thursday, March 5th, 2009

When you earned your CCNA, you thought you learned everything there is to know about RIP. Close, but not quite! There are some additional details you need to know to pass the BSCI exam and get one step closer to the CCNP exam, and one of those involves RIP update packet authentication.
You’re familiar with some [...]

Cisco CCNA Exam Tutorial: How To Spend Your Study Time

Sunday, March 1st, 2009

To pass the CCNA exam, you’ve got to create a study plan. Part of that plan is scheduling your study time, and making that study time count.
You’ve scheduled your exam you’ve created a document to track your study time you’ve planned exactly when you’re going to study. Now the plan must be carried out, without [...]

Cisco CCNP / BSCI Tutorial: The Role Of The OSPF ASBR

Sunday, March 1st, 2009

To pass the BSCI exam and earn your CCNP certification, you’ve got to master the (many) details of OSPF. You might have thought there were quite a few OSPF details in your CCNA studies, but you’ll now build on that foundation on the way to earning your CCNP.
One such detail is the role of the [...]

Cisco CCNA Certification: Broadcasts, Unicasts, And Multicasts

Sunday, March 1st, 2009

When you begin your CCNA studies, you get hit with a lot of different networking terms right away that you might not be familiar with. What makes it a little more confusing is that a lot of these terms sound a lot alike. Here, we’re going to discuss the differences between broadcasts, multicasts, and unicasts [...]

Cisco CCNP / BSCI Tutorial: Comparing OSPF and ISIS Hellos

Sunday, March 1st, 2009

While studying to pass the BSCI exam and preparing to earn your CCNP certification, you’ll quickly notice that while OSPF and ISIS are both link-state protocols, there are a lot of differences between the two. One major difference is the way the two protocols handle hello packets.
Hello packets are imperative to keeping OSPF and [...]

CCNA / CCNP Home Lab Tutorial: Assembling Your Cisco Home Lab

Sunday, March 1st, 2009

A CCNA or CCNP candidate who wants to be totally prepared for their exams is going to put together a home lab to practice on. With used Cisco routers and switches more affordable and plentiful then ever before, there’s really no excuse to not have one!
With the many different models available, there is some [...]