Ccie 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). Cisco CCNA / CCNP Certification Exam Tutorial: ISDN And Multilink PPP By : Chris Bryant, CCIE #12933
ISDN is a huge topic on both your Cisco CCNA and BCRAN CCNP exams. While many ISDN topics seem straightforward, it’s the details that make the difference in the exam room and working with ISDN in production networks. Configuring and troubleshooting multilink PPP is just one of the skills you’ll need to pass both of these demanding exams. With BRI, we've got two B-channels to carry data, and both of them have a 64-kbps capacity.
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3). Passing Cisco's CCNA And CCNP Exams: Ping And Extended Ping By : Chris Bryant, CCIE #12933
Passing Cisco's CCNA And CCNP Exams: Ping And Extended Ping
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4). 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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5). Cisco CCNA Certification Exam Tutorial: Configuring And Troubleshooting VTP By : Chris Bryant, CCIE #12933
Not only is your CCNA exam going to have questions on VLAN trunking protocol, almost any network that has more than one VLAN is going to have VTP running. Whether you're planning on passing the CCNA exam or just brushing up on your networking skills, this VTP tutorial will help you learn the basics of this important protocol. VTP allows switches to advertise VLAN information between other members of the same VTP domain.
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6). 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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7). CCNP Certification / BSCI Exam Tutorial: The BGP Neighbor Process By : Chris Bryant, CCIE #12933
Like TCP, BGP is connection-oriented. An underlying connection between two BGP speakers is established before any routing information is exchanged. This connection takes place on TCP port 179. As with EIGRP and OSPF, keepalive messages are sent out by the BGP speakers in order to keep this relationship alive. Once the connection is established, the BGP speakers exchange routes and synchronize their tables.
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8). 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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9). 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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10). Cisco CCNA / CCNP Certification Exam Tutorial: Troubleshooting EIGRP By : Chris Bryant, CCIE #12933
Part of earning your CCNA and CCNP - especially passing the difficult CIT exam - is becoming a master network troubleshooter. Today, we'll take a look at troubleshooting EIGRP and spotting common errors. Most adjacency issues are easily resolved - mistyped IP address, bad wildcard mask in the neighbor statement, mistyped EIGRP AS number, and so forth.
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11). Cisco Certification: A Survival Guide To The Cisco Cable Jungle By : Chris Bryant, CCIE #12933
One of the most confusing parts of beginning your Cisco studies is keeping all the cable types separate in your mind, and then remembering what they’re used for. This often occurs when a CCNA or CCNP candidate starts putting together their own home practice lab, and they suddenly realize that they have the equipment to run labs, but not the cables. With this in mind, here are some common Cisco cable types and their primary use.
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12). Cisco CCNA Certification: Cisco Switching Modes Tutorial By : Chris Bryant, CCIE #12933
To pass the CCNA exam and earn that coveted certification, you've got to know Cisco switches inside and out. Among the many important details you've got to know are the three methods that Cisco switches use to forward frames, and the differences between the three. The first switching method is Store-and-Forward. The name is the recipe, because that's just what the switch does - it stores the entire frame before beginning to forward it.
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13). Cisco CCNA Exam Tutorial: How To Spend Your Study Time By : Chris Bryant, CCIE #12933
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 exception. What exceptions do I mean? Cell phones.
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14). Cisco CCNA / CCNP: How And Why To Build An Etherchannel By : Chris Bryant
Etherchannels are in use all over the world, as well as on your CCNA and CCNP exams. Learn how to build and support an EC in this tutorial from Chris Bryant, CCIE #12933.
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15). Cisco CCNA Certification: The Importance Of The OSI Model By : Chris Bryant, CCIE #12933
There's nothing I enjoy more than teaching Cisco technologies, especially CCNA candidates. Whether it's in-person or online, everyone's excited to be there. There's a sense of anticipation in the air, and everyone is ready to work hard, get their hands on the racks of Cisco routers and switches I have available... ... and then I break out the OSI model chart.
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16). Cisco CCNA / CCNP Certification Tutorial: Frame Relay End-To-End Keepalives By : Chris Bryant, CCIE #12933
One of the first things you learned about Frame is that the LMI also serves as a keepalive, or a heartbeat - and if three consecutive LMIs are missed, the line protocol goes down. There's a limitation to LMI as a keepalive, though. The LMI is exchanged only between the DTE and the closest DCE. The LMI is therefore a local keepalive that does not reflect any possible issues on the remote end of the virtual circuit.
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17). Cisco CCNA / CCNP Home Lab Tutorial: Buying And Configuring An Access Server By : Chris Bryant, CCIE #12933
A Cisco access server is generally the last item a CCNA or CCNP candidate has on their mind when they're putting together a home lab. The thinking tends to be that since this router isn't really doing anything in the production part of your practice lab, it's not really important. Once you have more than two devices in your home lab, though, you'll realize that constantly moving the console cable around from one router to another gets very tiresome.
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18). Cisco CCNP Certification / BCMSN Exam Tutorial: Uplinkfast By : Chris Bryant, CCIE #12933
You remember from your CCNA studies that when a port goes through the transition from blocking to forwarding, you're looking at a 50-second delay before that port can actually begin forwarding frames. Configuring a port with PortFast is one way to get around that, but again, you can only use it when a single host device is found off the port. What if.
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19). Cisco CCNP / BSCI Certification: Introduction To ISIS Terminology By : Chris Bryant, CCIE #12933
When you're studying to pass the BSCI exam and earn your CCNP certification, you're going to be introduced to ISIS. ISIS and OSPF are both link-state protocols, but ISIS works quite differently from OSPF. You must master these details in order to earn your CCNP. One of the major differences between OSPF and ISIS will be evident to you when you first begin your BSCI exam studies, and that is the terminology.
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20). Cisco CCNP / BCSI Exam Tutorial: Broadcasts And The IP Helper-Address Command By : Chris Bryant, CCIE #12933
While routers accept and generate broadcasts, they do not forward them. This can be quite a problem when a broadcast needs to get to a device such as a DHCP or TFTP server that's on one side of a router with other subnets on the other side. If a PC attempts to locate a DNS server with a broadcast, the broadcast will be stopped by the router and will never get to the DNS server.
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21). Cisco CCNP / BCMSN Exam Tutorial: Switches, QoS, And Cisco's Networking Model By : Chris Bryant, CCIE #12933
QoS is a big topic on your BCMSN and CCNP exams, and for good reason. As more and more traffic flows through today's networks, accurately applying QoS to both your routers and switches becomes more important. Note the phrase "accurately applying". You must have a plan in place before you start configuring QoS on your switches, and to create such a plan you should use Cisco's Three-layer Hierarchical Model.
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22). Cisco Certification: The "Secret" Key To Getting Your CCNA And CCNP By : Chris Bryant, CCIE #12933
Whether you're working on your CCNA or CCNP, Cisco certification exams are the most demanding computer certification exams in the IT field. Cisco exams are not a test of memorization, they're a test of your analytical skills. You'll need to look at configurations and console output and analyze them to identify problems and answer detailed questions.
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23). Cisco Certification: Don't Overreact To Exam Version Changes By : Chris Bryant, CCIE #12933
Whenever a Cisco exam version changes, there's always a lot of chatter about it on the web. The CCNA exams are no exception. One comment I see often goes like this: " I hear Cisco is going to change Intro / ICND / CCNA exam versions soon, so I'm not going to start studying yet. I'll wait until the new exam comes out." Do not let this happen to you.
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24). Your Information Technology Career: Beware The Comfort Zone By : Chris Bryant, CCIE #12933
I've seen it happen time and again to programmers, network engineers and administrators, and other IT personnel. They get a solid IT position, a good-paying job, and they get comfortable. They stop keeping up with the latest technologies, they stop studying, they no longer keep their CCNA, MCSE, and other industry certifications up-to-date... and then one day, their comfortable job is gone.
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25). Cisco CCNA Certification Exam Tutorial: Port-Based Authentication By : Chris Bryant, CCIE #12933
To pass your CCNA exam and earn this coveted certification, you must understand the details of port-based authentication. This knowledge has a great deal of value in production networks as well, since this authentication scheme is regularly implemented. Let's take a look at this particular CCNA skill. Consider a situation where you have a server that will be connected to your switch, and you want the port to shut down if a device with a different MAC address that that of the switch attempts to connect to that port.
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