BGP Cost Community

This topic describes the function of the BGP Cost Community feature.

This topic describes the function of the BGP Cost Community feature.

The cost community is a nontransitive extended community attribute that is passed to Internal BGP (IBGP) and confederation peers but not to EBGP peers. The configuration of the BGP Cost Community feature allows you to customize the BGP best-path selection process for a local AS or confederation by assigning cost values to specific routes.

The cost community attribute is applied to internal routes by configuring the set extcommunity cost command in a route map.

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