H3C S7500E Series Ethernet Switches Operation Manual

Operation Manual – IPv4 Routing
H3C S7500E Series Ethernet Switches Chapter 5 BGP Configuration
5-24
Follow these steps to configure BGP route summarization:
To do… Use the command… Remarks
Enter system view
system-view
—
Enter BGP view
bgp as-number
—
Configure
automatic
route
summarization
summary automatic
Configure
BGP route
summariza
tion
Configure
manual route
summarization
aggregate ip-address { mask |
mask-length } [ as-set |
attribute-policy
route-policy-name |
detail-suppressed |
origin-policy route-policy-name
| suppress-policy
route-policy-name ]*
Required
No route
summarization is
configured by
default.
Choose either as
needed; if both
are configured,
the manual route
summarization
takes effect.
5.4.4 Advertising a Default Route to a Peer or Peer Group
Follow these steps to advertise a default route to a peer or peer group:
To do… Use the command… Remarks
Enter system view
system-view
—
Enter BGP view
bgp as-number
—
Advertise a default route
to a peer or peer group
peer { group-name |
ip-address }
default-route-advertise
[ route-policy
route-policy-name ]
Required
Not advertised by default
 Note:
With the peer default-route-advertise command executed, the router sends a default
route with the next hop being itself to the specified peer/peer group, regardless of
whether the default route is available in the routing table.
5.4.5 Configuring BGP Route Distribution Filtering Policies
Follow these steps to configure BGP route distribution filtering policies: