Category Archives: Computer Certification

Cisco CCNP / BSCI Certification: Route Redistribution And The Seed Metric

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.) […]

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Cisco CCNP / BSCI Certification: Troubleshooting Route Redistribution, Part I

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 […]

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Cisco CCNP / BSCI Certification: The Local Preference BGP Attribute

When studying for your BSCI exam for the CCNP, you get your first taste of BGP. One of the major differences between BGP and the other protocols you’ve studied to date is that BGP uses attributes to describe paths, and to influence the selection of one path over the other. In this free tutorial, we’re […]

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Cisco CCNP / BSCI Certification: The BGP Attribute “MED”

When you’re preparing to pass the BSCI exam and earn your CCNP certification, one of the biggest challenges is learning BGP. BGP is totally different from any protocol you learned to earn your CCNA certification, and one of the differences is that BGP uses path attributes to favor one path over another when multiple paths […]

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Cisco CCNP / BSCI Certification: Introduction To ISIS Terminology

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 […]

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Cisco CCNP / BSCI Certification: BGP Route Reflector Tutorial

When you’re studying for your BSCI exam and CCNP certification, you quickly realize that BGP is a whole new world from anything you’ve previously studies. One topic that sometimes confuses CCNP candidates is when a BGP route reflector needs to be configured. In the following example, the routers R1, R2, and R3 are all in […]

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