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.
