BGP preguntas y respuestas de entrevista
Pregunta 21. Explain the concept of BGP peer groups.
BGP peer groups are used to simplify the configuration and management of multiple BGP neighbors by grouping them together and applying common configuration parameters.
Pregunta 22. What is a BGP community attribute?
A BGP community is a tag that can be attached to a route, providing a way to group routes and apply policies based on these groups.
Pregunta 23. How does BGP prevent routing loops?
BGP prevents routing loops by using the AS_PATH attribute and refusing to accept a route if its own AS appears in the AS_PATH list.
Pregunta 24. Explain BGP confederation.
BGP confederation is a method used to divide an AS into smaller sub-ASes, making BGP more scalable by reducing the number of routes exchanged between them.
Pregunta 25. What is BGP route dampening?
BGP route dampening is a mechanism to minimize the impact of route flapping by penalizing unstable routes and suppressing them for a certain period.
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