Any time you’re finding out for that CCNP certification, Particularly the BSCI exam, you must get a stable idea 토토 of BGP. BGP isn’t just one of the largest subject areas on the BSCI Test, it’s among the biggest. BGP has an awesome several details that needs to be mastered for BSCI success, and people of you with just one eye over the CCIE will have to master the fundamentals of BGP now in an effort to Construct on These fundamentals in a afterwards time.
Route attributes are a novel feature of BGP. With inside gateway protocols including OSPF and EIGRP, administrative distance is applied as a tiebreaker when two routes to a similar destination had diverse future-hop IP addresses but the same prefix size. BGP utilizes route characteristics to generate this selection.
The primary attribute thought of by BGP is pounds. Pounds is often a Cisco-proprietary BGP attribute, so should you’re Operating in a very multivendor atmosphere you ought to operate with A further attribute to affect path selection.
The weight attribute is important only to your router on which it really is changed. Should you established a higher fat for a certain route to be able to give it desire (the next body weight is favored above a decreased a person), that bodyweight isn't advertised to other routers.
BGP takes advantage of categories such as “transitive”, “non-transitive”, “mandatory”, and “optional” to classify characteristics. Considering the fact that body weight can be a regionally substantial Cisco-proprietary attribute, it does not all into any of such categories.
The load is usually altered on a single route through a route-map, or it can be established for a unique excess weight for all routes obtained from the provided neighbor. To change the pounds for all incoming routes, use the “pounds” solution While using the neighbor command after forming the BGP peer interactions.
R2(config)#router bgp a hundred
R2(config-router)#neighbor 100.1.one.1 remote-as 10
R2(config-router)#neighbor 100.one.1.1 weight 200
Mastering each of the BGP attributes, in addition to when to make use of them, can seem to be an awesome process once you 1st start out finding out on your BSCI and CCNP examinations. Crack this undertaking down into modest sections, discover one attribute at any given time, and soon you’ll hold the BGP characteristics mastered.