Cisco Ccnp Bsci Tutorial Comparing Ospf And Isis Hellos

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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 […]


Cisco Ccnp Bsci Exam Tutorial Route Summarization

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Preparing to pass the BSCI exam and earn your Cisco CCNP? Route summarization is just one of the many skills you’ll have to master in order to earn your CCNP. Whether it’s RIP version 2, OSPF, or EIGRP, the BSCI exam will demand that you can flawlessly configure route summarization. Route summarization isn’t just important […]


Cisco Routing For The Ccna And Ccnp Administrative Distance

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The textbook definition of “administrative distance” is simple enough: “the measurement of a protocol’s believability”. It’s not enough to know the definition, however you’ve got to know when AD comes into the picture and when it does not. When a packet needs to be routed, the router looks in its routing table for the next-hop […]


Cisco Ccnp Bsci Exam Tutorial Ospf Router Types

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When you’re preparing to pass the BSCI exam on the way to the coveted Cisco CCNP certification, you can be quickly overwhelmed by the sheer amount of BGP and OSPF knowledge you must demonstrate a mastery of. One set of details that some BSCI and CCNP candidates underestimate are the differences between the OSPF router […]


Cisco Ccnp Bsci Exam Tutorial The Passive Interface Command And Ospf

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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 […]


Cisco Ccnp Bsci Exam Tutorial Using The Ospf Command Area Range

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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 […]


Cisco Ccna Ccnp Certification Exam Tutorial Floating Static Routes

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To pass the Cisco CCNA and CCNP certification exams, as well as becoming a world-class networker, you’ve got to know how and when to use floating static routes. And if you’re wondering what makes them “float” — read on! In this example, R1 and R2 are running OSPF over a Frame Relay network, 172.12.123.0 /24. […]


Cisco Ccna Exam Tutorial Five Ospf Hub And Spoke Details You Must Know

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CCNA exam success depends greatly on knowing the details, and if there’s one protocol that has a lot of details, it’s OSPF! This is true particularly of hub-and-spoke networks, so in this CCNA OSPF tutorial we’ll take a look at some of the more important hub-and-spoke OSPF details. This will help you in working with […]


Cisco Ccna Ccnp Certification Exam Tutorial Dialer Watch

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Dialer Watch is a vital part of your CCNA and CCNP studies, particularly for the BCRAN exam, but it’s one of the most misunderstood technologies as well. To help you pass the CCNA and CCNP certification exams, here’s a detailed look at Dialer Watch. Dialer Watch allows you to configure a route or routes as […]


Cisco Ccnp Bsci Exam Tutorial Ospf Route Redistribution Review

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OSPF route redistribution is an important topic on the BSCI exam, and it’s a topic full of details and defaults that you need to know for the exam room and the job. To help you pass the BSCI exam, here’s a quick review of some of the OSPF route redistribution basics. To see if a […]


Ccnp Bsci Exam Tutorial Route Summarization And The Ospf Null Interface

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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 Using Ospf S Summary Address Command

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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 […]


Cisco Ccnp Bsci Certification Troubleshooting Route Redistribution Part I

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If there’s one CCNP / BSCI topic that looks so easy but can lead to a real headache, it’s route redistribution. I’m not even talking about the routing loops and suboptimal routing that can result when route redistribution is done without proper planning – I’m talking about the basic commands themselves. Leaving out one single […]


Cisco Ccnp Bsci Exam Tutorial Configuring And Troubleshooting Ospf Virtual Links

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Knowing when and how to create an OSPF virtual link is an essential skill for BSCI and CCNP exam success, not to mention how important it can be on your job! As a CCNA and CCNP candidate, you know the theory of virtual links, so let’s take a look at how to configure a virtual […]


Cisco Ccnp Bsci Certification Exam Five Ospf Details You Must Know

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Preparing for your BSCI exam on your way to the Cisco CCNP certification, you can quickly get overwhelmed by the details! Here are five commonly overlooked points you should keep in mind when it comes to your OSPF studies. The virtual link command includes the area number of the transit area, and if authentication is […]


Cisco Ccnp Bsci Exam Tutorial Using Distribute Lists

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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 […]


Cisco Ccnp Bsci Certification Route Redistribution And The Seed Metric

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In the first part of this free CCNP / BSCI tutorial, we looked at how leaving one simple word out of our route redistribution configuration – “subnets” – resulted in an incomplete routing table when redistributing routes from RIP to OSPF. (If you missed that part of the tutorial, visit my website’s “Free Tutorials” section.) […]


Cisco Ccna Certification Exam Tutorial Ospf Hub And Spoke

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CCNA certification demands that you master the basics of OSPF, and for many studying for the CCNA exam, their first exposure to OSPF is a hub-and-spoke configuration. That’s a tough way to get started, because a hub-and-spoke configuration built over an NBMA technology such as Frame Relay requires quite a bit of attention to detail. […]