If you’re finding out for that CCNP certification, Specially the BSCI Test, you should achieve a good understanding of BGP. BGP isn’t just one of the most significant subject areas on the BSCI exam, it’s one of the most important. BGP has an excellent lots of aspects that must be mastered for BSCI achievements, and those of you with just one eye over the CCIE ought to learn the basics of BGP now in an effort to Develop on Those people fundamentals at a later on time.
Route characteristics are a singular characteristic of BGP. With interior gateway protocols including OSPF and EIGRP, administrative length is employed being a tiebreaker when two routes to a similar spot experienced distinct following-hop IP addresses but exactly the same prefix duration. BGP uses route characteristics to make this alternative.
The first attribute deemed by BGP is bodyweight. Body weight is often a Cisco-proprietary BGP attribute, so when you’re Doing the job in a very multivendor environment it is best to function with A different attribute to affect path variety.
The burden attribute is important only to your router on which it can be changed. In case you set a higher fat for a selected route as a way to give it preference (the next weight is desired in excess of a lower 1), that body weight just isn't advertised to other routers.
BGP takes advantage of groups including “transitive”, “non-transitive”, “obligatory”, and “optional” to classify attributes. Due to the fact bodyweight is a locally significant Cisco-proprietary attribute, it does not all into any of those groups.
The weight might be improved on only one route by using a route-map, or it can be established for a special pounds for all routes received from a supplied neighbor. 먹튀 To alter the fat for all incoming routes, utilize the “weight” option Together with the neighbor command soon after forming the BGP peer interactions.
R2(config)#router bgp 100
R2(config-router)#neighbor a hundred.1.1.1 distant-as ten
R2(config-router)#neighbor a hundred.one.1.one bodyweight two hundred
Learning all of the BGP characteristics, together with when to use them, can appear an awesome process after you first start off studying for your personal BSCI and CCNP exams. Break this undertaking down into compact components, understand a single attribute at any given time, and shortly you’ll hold the BGP attributes mastered.