5-18Follow these steps to configure BGP route summarization:To do... Use the command... RemarksEnter system view system-view —Enter BGP view bgp as-number —Enable automatic routesummarization summaryConfigure BGProutesummarization Configure a summary routeaggregate ip-address mask [ as-set |attribute-policy route-policy-name |detail-suppressed | origin-policyroute-policy-name | suppress-policyroute-policy-name ] *RequiredBy default,routes are notsummarized.Enabling Default Route AdvertisingFollow these steps to enable default rout advertising:To do... Use the command... RemarksEnter system view system-view —Enter BGP view bgp as-number —Enable default route advertising peer group-namedefault-route-advertiseRequiredBy default, a BGP router does notsend default routes to a specifiedpeer/peer group.With the peer default-route-advertise command executed, no matter whether the default route is inthe local routing table or not, a BGP router sends a default route, whose next hop address is the localaddress, to the specified peer or peer group.Configuring BGP Route Distribution Filtering PoliciesFollow these steps to configure BGP route distribution filtering policies:To do... Use the command... RemarksEnter system view system-view —Enter BGP view bgp as-number —Filter the advertised routesfilter-policy { acl-number |ip-prefix ip-prefix-name } export[ protocol [ process-id ] ]RequiredBy default, advertised routesare not filtered.Specify a route advertising policy for theroutes advertised to a peer grouppeer group-name route-policyroute-policy-name exportRequiredBy default, no routeadvertising policy is specifiedfor the routes advertised to apeer group.
