3Com Switch 8800 Configuration Guide Chapter 21 BGP Configuration
21-16
Table 21-25 Configure BGP route summarization
Operation Command
Configure the summary
automatic function of the subnet
routes summary
Cancel the summary automatic
function of the subnet routes undo summary
Configure local route
aggregation function
aggregate address mask [ as-set |
attribute-policy route-policy-name |
detail-suppressed | origin-policy
route-policy-name | suppress-policy
route-policy-name ]*
Cancel local route aggregation
function
undo aggregate address mask [ as-set |
attribute-policy route-policy-name |
detail-suppressed | origin-policy
route-policy-name | suppress-policy
route-policy-name ]*
By default, the BGP will not perform local route aggregation.
21.2.8 Configuring BGP Route Filtering

I. Configuring BGP to filter the received route information

The routes received by the BGP can be filtered, and only those routes that meet the
certain conditions will be received by the BGP.
Perform the following configuration in BGP view.
Table 21-26 Configure imported route filtering
Operation Command
Configure received route filtering filter-policy { acl-number | ip-prefix
ip-prefix-name [ gateway ip-prefix-name ] }
import
Cancel the received route
filtering
undo filter-policy { acl-number | ip-prefix
ip-prefix-name [ gateway ip-prefix-name ] }
import
Filter the received global routing
information filter-policy { acl-number | ip-prefix
ip-prefix-name } import
Cancel the received global route
filtering undo filter-policy { acl-number | ip-prefix
ip-prefix-name } import
By default, the BGP will not filter the received routes.