1-8The outbound additional metric is added to the metric of a sent route, and the route’s metric in therouting table is not changed.The inbound additional metric is added to the metric of a received route before the route is added intothe routing table, and the route’s metric is changed. If the sum of the additional metric and the originalmetric is greater than 16, the metric of the route will be 16.Follow these steps to configure additional routing metrics:To do… Use the command… RemarksEnter system view system-view ––Enter interface view interface interface-typeinterface-number ––Define an inboundadditional routing metricrip metricin [ route-policyroute-policy-name ] valueOptional0 by defaultDefine an outboundadditional routing metricrip metricout [ route-policyroute-policy-name ] valueOptional1 by defaultConfiguring RIPv2 Route SummarizationRoute summarization means that subnets in a natural network are summarized into a natural networkthat is sent to other networks. This feature can reduce the size of routing tables.Enabling RIPv2 route automatic summarizationYou can disable RIPv2 route automatic summarization if you want to advertise all subnet routes.Follow these steps to enable RIPv2 route automatic summarization:To do… Use the command… RemarksEnter system view system-view ––Enter RIP view rip [ process-id ] ––Enable RIPv2 automatic routesummarization summary OptionalEnabled by defaultAdvertising a summary routeYou can configure RIPv2 to advertise a summary route on the specified interface.To do so, use the following commands:To do… Use the command… RemarksEnter system view system-view ––Enter RIP view rip [ process-id ] ––Disable RIPv2 automatic routesummarization undo summary RequiredEnabled by defaultReturn to system view quit —Enter interface view interface interface-typeinterface-number —