3-6Follow these steps to configure RIP route summarization:To do... Use the command... RemarksEnter system view system-view —Enter RIP view rip —Enable RIP-2 automaticroute summarization summary RequiredEnabled by defaultDisabling the router from receiving host routesIn some special cases, the router can receive a lot of host routes from the same segment, and theseroutes are of little help in route addressing but consume a lot of network resources. After a router isdisabled from receiving host routes, it can refuse any incoming host route.Follow these steps to disable the router from receiving host routes:To do... Use the command... RemarksEnter system view system-view —Enter RIP view rip —Disable the router fromreceiving host routes undo host-routeRequiredBy default, the router receiveshost routes.Configuring RIP to filter incoming/outgoing routesThe route filtering function provided by a router enables you to configure inbound/outbound filter policyby specifying an ACL, address prefix list, or route policy to make RIP filter incoming/outgoing routes.Besides, you can configure RIP to receive only the RIP packets from a specific neighbor.Follow these steps to configure RIP to filter incoming/outgoing routes:To do... Use the command... RemarksEnter system view system-view —Enter RIP view rip —filter-policy { acl-number | ip-prefixip-prefix-name [ gatewayip-prefix-name ] | route-policyroute-policy-name } importConfigure RIP to filterincoming routesfilter-policy gateway ip-prefix-nameimportRequiredBy default, RIP does notfilter any incoming route.The gateway keyword isused to filter the incomingroutes advertised from aspecified address.filter-policy { acl-number | ip-prefixip-prefix-name } export [ protocol ]Configure RIP to filteroutgoing routes filter-policy route-policyroute-policy-name exportRequiredBy default, RIP does notfilter any outgoing route.
