If you’re learning for your CCNP certification, Specially the BSCI Examination, you must get a good idea of BGP. BGP isn’t just one of the biggest subject areas to the BSCI exam, it’s considered one of the most important. BGP has an awesome lots of specifics that have to be mastered for BSCI good results, and those of you with a person eye on the CCIE will have to discover the fundamentals of BGP now in order to Make on People fundamentals at a later time.
Route attributes are a unique attribute of BGP. With 먹튀 interior gateway protocols for instance OSPF and EIGRP, administrative distance is used like a tiebreaker when two routes to the same place experienced various upcoming-hop IP addresses but exactly the same prefix length. BGP makes use of route attributes to produce this choice.
The first attribute viewed as by BGP is weight. Excess weight is really a Cisco-proprietary BGP attribute, so when you’re Functioning in a very multivendor natural environment you need to function with An additional attribute to impact path variety.
The weight attribute is significant only on the router on which it is modified. Should you set a greater body weight for a specific route so as to give it preference (a higher excess weight is chosen over a reduce one particular), that pounds just isn't marketed to other routers.
BGP uses classes which include “transitive”, “non-transitive”, “mandatory”, and “optional” to classify attributes. Because fat is usually a regionally substantial Cisco-proprietary attribute, it does not all into any of those types.
The burden may be improved on just one route via a route-map, or it might be established for a special bodyweight for all routes been given from a presented neighbor. To change the bodyweight for all incoming routes, use the “weight” option Along with the neighbor command after forming the BGP peer interactions.
R2(config)#router bgp a hundred
R2(config-router)#neighbor a hundred.one.one.one remote-as 10
R2(config-router)#neighbor one hundred.1.1.1 bodyweight two hundred
Studying all the BGP attributes, in addition to when to rely on them, can look an overwhelming process once you initially commence finding out to your BSCI and CCNP examinations. Crack this activity down into compact areas, find out 1 attribute at a time, and soon you’ll have the BGP attributes mastered.