When you’re finding out for your CCNP certification, Primarily the BSCI exam, you need to attain a good knowledge of BGP. BGP isn’t just one of the biggest subject areas to the BSCI Test, it’s amongst the most important. BGP has a great lots of details that have to be mastered for BSCI achievement, and those of you with a single eye around the CCIE have to learn the basics of BGP now to be able to Construct on These fundamentals at a later on time.
Path characteristics are a unique element of BGP. With inside gateway protocols which include OSPF and EIGRP, administrative distance is applied to be a tiebreaker 먹튀 when two routes to precisely the same vacation spot had unique next-hop IP addresses but the identical prefix duration. BGP works by using route characteristics for making this preference.
The primary attribute regarded as by BGP is body weight. Excess weight is a Cisco-proprietary BGP attribute, so should you’re Operating within a multivendor setting you ought to work with An additional attribute to impact route selection.
The load attribute is significant only to the router on which it's modified. In the event you established an increased pounds for a specific route in an effort to give it choice (an increased weight is chosen about a decrease a single), that bodyweight will not be advertised to other routers.
BGP utilizes groups for instance “transitive”, “non-transitive”, “obligatory”, and “optional” to classify attributes. Because excess weight is a regionally sizeable Cisco-proprietary attribute, it doesn't all into any of those classes.
The weight is often transformed on just one route by way of a route-map, or it might be established for a unique body weight for all routes been given from a specified neighbor. To alter the bodyweight for all incoming routes, use the “body weight” alternative While using the neighbor command following forming the BGP peer interactions.
R2(config)#router bgp one hundred
R2(config-router)#neighbor 100.1.1.one remote-as ten
R2(config-router)#neighbor one hundred.one.one.1 fat two hundred
Understanding all of the BGP characteristics, as well as when to utilize them, can seem an amazing undertaking any time you very first start off learning on your BSCI and CCNP examinations. Crack this task down into tiny pieces, master just one attribute at any given time, and shortly you’ll provide the BGP attributes mastered.