QuestionQ33

Border Gateway Protocol (BGP)

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Your network receives the complete Internet BGP routing table from two separate ISPs. You want the local routers to forward all Internet traffic through Provider A whenever Provider A is available.

With reference to the exhibit, which two actions meet this requirement?

Choose two
Explanation

BGP prefers the eligible route with the highest LOCAL_PREF value. Assigning a higher local preference to routes learned through R1, the Provider A edge, or assigning a lower local preference to routes learned through R2, the Provider B edge, makes Provider A the preferred Internet exit. If Provider A becomes unavailable, its routes are withdrawn and the Provider B routes can be selected.

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