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Each IP prefix list consists of multiple indexes, and each index matches a node. An IP prefix list checks routes in the nodes of a routing policy in ascending order of node IDs sequence numbers. If a route matches one node, the route is not checked by additional nodes. If a route does not match any one of the nodes, the route is filtered out.
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The large community filter uses the large community attribute of BGP to filter routes. The commands set routing large-community-list {standard <large-community-list-name>| seq-standard<integer>} {deny|permit} [large-community <large-community-number>] and set routing large-community-list {expanded <large-community-list-name>| seq-expanded <integer>} {deny|permit} regex <line> can be used to define the large community list.
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