BGP Questions et reponses d'entretien
Question 26. Explain BGP route reflectors.
BGP route reflectors are used in iBGP to reduce the number of peer connections and simplify the iBGP mesh by allowing certain routers to reflect routes to others.
Question 27. What is BGP route filtering?
BGP route filtering is the process of controlling the routes that are advertised or accepted based on defined criteria, such as prefix lists or route maps.
Question 28. Explain BGP add-path feature.
BGP add-path allows a BGP router to advertise multiple paths for the same prefix, improving path diversity and redundancy in the network.
Question 29. What is BGP maximum-prefix limit?
BGP maximum-prefix limit is a mechanism to prevent a BGP router from being overwhelmed by a large number of advertised prefixes by imposing a limit on the number of accepted prefixes.
Question 30. Explain BGP prefix delegation.
BGP prefix delegation involves assigning specific IP prefixes to different entities within an AS, allowing for better control and management of address space.
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