If you’re finding out for that CCNP certification, Primarily the BSCI Examination, you will need to acquire a strong knowledge of BGP. BGP isn’t only one of the largest matters about the BSCI Examination, it’s amongst the biggest. BGP has an incredible several specifics that should be mastered for BSCI results, and those of you with just one eye around the CCIE must learn the fundamentals of BGP now in order to Establish on These fundamentals in a later on time.
Path attributes are a singular aspect of BGP. With interior gateway protocols for instance OSPF and EIGRP, administrative distance is applied being a tiebreaker when two routes to a similar spot experienced different next-hop IP addresses but the identical prefix size. BGP works by using route characteristics to generate this selection.
The very first attribute thought of by BGP is weight. Body weight can be a Cisco-proprietary BGP attribute, so when you’re Operating in a very multivendor environment you need to function with A further attribute to impact route variety.
The burden attribute is significant only to the router on which it is changed. When you established the next pounds for a particular route in order to give it desire (an increased body weight is favored over a decreased a single), that weight will not be advertised to other routers.
BGP employs categories which include “transitive”, “non-transitive”, “required”, and “optional” to classify attributes. Considering the fact that bodyweight can be a regionally important Cisco-proprietary attribute, it does not all into any of those types.
The load is often improved on an individual route through 먹튀검증 a route-map, or it might be established for a different excess weight for all routes acquired from a supplied neighbor. To alter the weight for all incoming routes, utilize the “excess weight” selection Together with the neighbor command immediately after forming the BGP peer interactions.
R2(config)#router bgp 100
R2(config-router)#neighbor one hundred.one.1.1 remote-as ten
R2(config-router)#neighbor 100.1.one.one body weight two hundred
Discovering all the BGP characteristics, as well as when to use them, can seem an overwhelming task when you very first start off learning for your BSCI and CCNP examinations. Crack this undertaking down into tiny pieces, learn one particular attribute at a time, and shortly you’ll have the BGP characteristics mastered.