Article: Cisco CCNP Certification: BGP Attribute Category Tutorial
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Cisco CCNP Certification: BGP Attribute Category Tutorial
You have to master the details on BGP to pass the BSCI exam and to earn your CCNP, but BGP is an entirely new world from the protocols you studied to earn your CCNA. BGP paths contain attributes, while no protocol you studied for the CCNA carried. BGP Attributes are used to choose the best path when multiple loop-free paths exist, as well as give you other specific information about the paths. This additional information includes the autonomous systems that are along the path to a given destination, what the next-hop IP address is, and much more.
Before we examine the specific attributes, we need to understand the categories used to differentiate BGP attributes. Some attributes are required, some aren't; some attributes will be carried between routers, where others will not....
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