Tutorial Articles

1). Cisco CCNA / CCNP Home Lab Setup: How To Configure Reverse Telnet By : Chris Bryant, CCIE #12933
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 device such as a router or switch. But.
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2). Tutorial - Enabling IIS 5.1 on Windows XP Pro By : C Alexander
Windows XP Home Edition does not support IIS 1. You may need to put your Windows XP Pro CD into the PC. 2. Go to Control Panel, ‘Add Remove Programs’, then ‘Add/Remove Windows Components’. In the Windows Components window, place a check mark beside ‘Internet Information Services (IIS)’, then click next, then click finish. 3. During installation, Windows creates a directory at C:inetpubwwwroot and places a few files there.
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3). Cisco CCNA / CCNP Home Lab Tutorial: A Guide To Cable Types By : Chris Bryant, CCIE #12933
When you're putting your CCNA and/or CCNP home lab together, you're not just buying routers and switches you're creating a blueprint for success. There is no better way to learn about how real Cisco routers and switches work than to work with the real thing! Of course, it's not enough to just get the routers and switches you've got to have the right cables and other devices to allow them to communicate.
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4). Cisco CCNA / CCNP Tutorial: Home Lab Assembly Case Study By : Chris Bryant, CCIE #12933
Part of your CCNA / CCNP education is deciding what network topology to use when you're putting together your home lab. Some of you are starting with one or two routers or switches, while others are starting with more. A customer recently sent me a list of his Cisco routers and switches that he has available for a home lab and asked for my help in coming up with the best way to use them.
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5). Cisco CCNA Certification: Defining Broadcast Domains By : Chris Bryant, CCIE #12933
When you're studying to pass the CCNA exam and earn your certification, you're introduced to a great many terms that are either totally new to you or seem familiar, but you're not quite sure what they are. The term "broadcast domain" falls into the latter category for many CCNA candidates. A broadcast domain is simply the group of end hosts that will receive a broadcast sent out by a given host.
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6). Cisco CCNP / BSCI Exam Tutorial: The Passive Interface Command And OSPF By : Chris Bryant, CCIE #12933
To pass the BSCI exam and become a CCNP, you have to be aware of the proper use of passive interfaces. You learned about passive interfaces in your CCNA studies, but here we’ll review the basic concept and clear up one misconception regarding passive interfaces and OSPF. Configuring an interface as passive will still allow the interface to receive routing updates, but the interface will no longer transmit them.
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7). Cisco CCNA Certification Exam Tutorial: Configuring Dialer Profiles By : Chris Bryant, CCIE #12933
The most common method of configuring ISDN is with dialer maps, but dial information can also be configured on a logical interface. To pass the CCNA exam, you must know how to configure and troubleshoot both dialer maps and dialer profiles. Dialer Profiles allow different dialing information to be configured onto logical interfaces. The logical interfaces may have different dialing destinations, different remote router names, etc.
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8). Cisco CCNP / BSCI Exam Tutorial: Using The OSPF Command “Area Range” By : Chris Bryant, CCIE #12933
Your BSCI and CCNP exam success depends on knowing the details, and one such detail is knowing the proper way to summarize routes in OSPF. Route summarization is not just a test of your binary conversion abilities, but knowing where and when to summarize routes. It will not surprise any CCNA or CCNP certification candidate that OSPF gives us the most options for route summarization, and therefore more details to know! OSPF offers us two options for route summarization configurations.
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9). Cisco CCNA Certification: How And Why Switches Trunk By : Chris Bryant, CCIE #12933
Your CCNA studies are going to include quite a bit of information about switches, and for good reason. if you don't understand basic switching theory, you can't configure and troubleshoot Cisco switches, either on the CCNA exam or in the real world. That goes double for trunking! Trunking is simply enabling two or more switches to communicate and send frames to each other for transmission to remote hosts.
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10). CCNA / CCNP Home Lab Tutorial: Assembling Your Cisco Home Lab By : Chris Bryant, CCIE #12933
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 understandable confusion among future CCNAs and CCNPs about which routers to buy and which ones to avoid.
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11). Cisco CCNP Certification / BSCI Exam Tutorial: Comparing IRDP And HSRP By : Chris Bryant, CCIE #12933
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 DHCP clients and several Unix variations, but you do see it in Cisco routers as well.
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12). Cisco CCNA Certification Exam Tutorial: Keep Your Most Important Appointment By : Chris Bryant, CCIE #12933
Imagine this. You have an appointment with a client to work on a server or router install. A few minutes before you're scheduled to be there, you decide there's something really good on TV you'd like to watch. Or you decide to go to the gym, or play a game, or do anything else except go see the client. Even if you weren't going to get fired for not showing up, it's certainly unfair to the client.
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13). How to Select a Local Model Agency Without Getting Burned By : Bob Pardue
If you are an aspiring model, especially a beginner, you'll want to read this article before making any contacts to model agencies. It's tough enough pursuing a modeling career when you are prepared but almost impossible if you aren't! The old cliche that says, "I'll just go down to the corner of Main or to the mall and get discovered." is totally bogus! Believe it or not you're going to have to do some honest work to create a need for your modeling services.
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14). Cisco CCNP / BSCI Exam Tutorial: EIGRP Stub Routing By : Chris Bryant
EIGRP stub routing is important for your BSCI exam success, and it can also cut down on unnecessary traffic in your production network. Learn the fundamentals from Chris Bryant, CCIE #12933.
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15). Cisco CCNA Certification Exam Tutorial: The OSI Model’s Physical Layer By : Chris Bryant, CCIE #12933
To pass your CCNA exam and earn this coveted certification, you've got to master the seven layers of the OSI model and what each layer does. For those of you taking the two-exam path, you can expect quite a few OSI model questions on the Intro exam. In this seven-part series, we'll spend some time taking a look at each of the OSI model layers, starting with the Physical layer.
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16). Cisco CCNP / BSCI Exam Tutorial: Using OSPF's "Summary-Address" Command By : Chris Bryant, CCIE #12933
BSCI exam success, not to mention earning your CCNP, can come down to your OSPF route summarization skills. There are a few different commands and situations you need to be ready for, and one of these situations is the proper use of the "summary-address" command. The summary-address command should be used on an ASBR in order to summarize routes that are being injected into the OSPF domain via redistribution.
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17). Tips On Buying A Cisco CCNA / CCNP Home Lab Kit By : Chris Bryant, CCIE #12933
Buying a CCNA / CCNP home lab is the best way to be totally prepared for your Cisco exams. Most home labs are put together one router or switch at a time, but many CCNA / CCNP candidates prefer to buy kits where you get multiple routers and switches, along with all the cables and other connection devices you'll need. While this is a good idea, keep a few things in mind when purchasing Cisco home lab kits.
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18). CCNP / BSCI Exam Tutorial: Route Summarization And The OSPF Null Interface By : Chris Bryant, CCIE #12933
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 route summarization.
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19). Passing Cisco's CCNA and CCNP Exams: Five Tips For Exam Day Success By : Chris Bryant, CCIE #12933
As you get ready to pass the CCNA or CCNP exams, you can feel quite a bit of stress as you enter your last week of study. Let's take a look at a few ways to reduce that stress. 1. Do not stay up late cramming. The CCNA and CCNP are not exams you're going to pass by cramming. "Cramming" is a study technique best left behind in junior high school. The CCNA can't be passed by memorization - you've got to know how Cisco technologies work.
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20). Cisco CCNP / BSCI Exam Tutorial: Filtering BGP Updates With Prefix Lists By : Chris Bryant, CCIE #12933
A major part of your BSCI and CCNP exam success is mastering BGP, and that includes filtering BGP routing updates. In this tutorial, we'll take a look at how to filter BGP updates with prefix lists. R4 is advertising three networks via BGP. The downstream router R3 sees these routes and places them into its BGP table as shown below. R3 has two downstream BGP peers, R1 and R2, and is advertising itself as the next-hop IP address for all BGP routes sent to those two routers.
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21). Cisco CCNP / BSCI Tutorial: The Role Of The OSPF ASBR By : Chris Bryant, CCIE #12933
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 Autonomous System Border Router (ASBR) in OSPF. The name.
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22). Cisco CCNP / BSCI Exam Tutorial: Using Distribute Lists By : Chris Bryant, CCIE #12933
To be successful on the BSCI exam and in earning your CCNP, you've got to master route redistribution. This isn't as easy as it sounds, because configuring route redistribution is only half the battle. Whether it's on an exam or in a real-world production network, you've got to identify possible points of trouble before you configure route redistribution - and you need to be able to control redistribution as well.
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23). CCNA / MCSE / CCNP Certification: Making Failure Work For You By : Chris Bryant, CCIE #12933
Whether you're on the road to the CCNA, CCNP, MCSE, or you're on any other computer certification track, the odds are that sooner or later, you're going to fail an exam. It's happened to almost all of us, yours truly included. What you have to keep in mind in these times is that success is not a straight line. You've probably seen charts showing the growth of an industry or a business -- you know, the ones that go from left to right, and look kind of jagged.
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24). Cisco CCNA Certification Exam Tutorial: ISDN Details You Must Know By : Chris Bryant, CCIE #12933
CCNA exam success depends partially on knowing the details of ISDN, and there are plenty of them! To help you review for your CCNA exam, here are a few ISDN details that you must know on exam day. (They help in the real world, too – and there are still plenty of ISDN networks out there! The Cisco-proprietary version of HDLC is the default encapsulation type for serial and ISDN interfaces.
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25). Cisco CCNA Exam Tutorial And Case Study: VLANs and IP Connectivity By : Chris Bryant, CCIE #12933
In this CCNA case study, we'll take some basic switching and trunking theory and put it into action. We have two routers (R2 and R3) along with two switches (SW1 and SW2). R2 is connected to SW1 at fast 0/2, and R3 is connected to SW2 at fast 0/3. Both routers have IP addresses on the 172.12.23.0 /24 network. For these routers to be able to ping each other, the switches must be able to communicate.
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