If you’re learning to the CCNP certification, especially the BSCI exam, you need to get a good understanding of BGP. BGP isn’t just one of the largest subject areas around the BSCI exam, it’s among the biggest. BGP has an excellent many aspects that has to be mastered for BSCI good results, and people of you with one particular eye within the CCIE must learn the basics of BGP now in order to Establish on Individuals fundamentals at a later time.
Path attributes are a unique feature of BGP. With interior gateway protocols for example OSPF and EIGRP, administrative length is used for a tiebreaker when two routes to a similar vacation spot experienced distinctive next-hop IP addresses but a similar prefix duration. BGP utilizes path attributes to help make this choice.
The main attribute regarded by BGP is pounds. Body weight is a Cisco-proprietary BGP attribute, so for those who’re Doing the job in the multivendor setting you'll want to get the job done with A further attribute to influence path range.
The burden attribute is significant only for the router on which it can be modified. When you established a better excess weight for a selected route in an effort to give it preference (a higher pounds is most popular about a reduce a single), that excess weight just isn't marketed to other routers.
BGP uses classes such as “transitive”, “non-transitive”, “obligatory”, and “optional” to classify characteristics. Considering that weight is a domestically major Cisco-proprietary attribute, it doesn't all into any of such types.
The burden is usually adjusted on just one 토토 route through a route-map, or it may be set for a different fat for all routes gained from the specified neighbor. To alter the body weight for all incoming routes, utilize the “excess weight” alternative With all the neighbor command just after forming the BGP peer interactions.
R2(config)#router bgp 100
R2(config-router)#neighbor a hundred.one.1.1 distant-as 10
R2(config-router)#neighbor one hundred.1.one.1 fat 200
Learning the entire BGP attributes, and when to use them, can feel an amazing job if you very first start off finding out on your BSCI and CCNP tests. Crack this activity down into compact components, discover a person attribute at any given time, and shortly you’ll have the BGP characteristics mastered.
