QuestionQ50

Policies

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Refer to the exhibit. Engineering must assign community tags to 3 of its 74 critical server networks as soon as they are advertised to BGP peers. These server networks must not be advertised outside the AS. Which configuration meets this requirement?

Explanation

The no-export well-known BGP community prevents a route from being advertised outside the local AS (or confederation boundary) while allowing its propagation to internal BGP peers. Matching the three specified prefixes, accepting them, and setting community 999:65000 no-export therefore meets the requirement. no-advertise would suppress advertisement to all BGP peers.

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