H3C Technologies H3C S12500 Series Switches - Manual (Page 230)

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Step Command Remarks
1. Enter system view. system-view N/A
2. Enter BGP view or BGP-VPN
instance view.
• Enter BGP view:
bgp as-number
• Enter BGP-VPN instance view:
a. bgp as-number
b. ipv4-family vpn-instance
vpn-instance-name
Use either method.
3. 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 ]*
Not configured by default.
Advertising a default route to a peer or peer group
After this task is configured, the BGP router sends a default route with the next hop being itself to the
specified peer or peer group.
To advertise a default route to a peer or peer group:
Step Command Remarks
1. Enter system view. system-view N/A
2. Enter BGP view or BGP-VPN
instance view.
• Enter BGP view:
bgp as-number
• Enter BGP-VPN instance view:
a. bgp as-number
b. ipv4-family vpn-instance
vpn-instance-name
Use either method.
3. Advertise a default route to a
peer or peer group.
peer { group-name | ip-address }
default-route-advertise
[ route-policy route-policy-name ]
Not advertised by default.
Configuring BGP route distribution/reception filtering policies
Configuration prerequisites
You must configure the following filters as needed:
• ACL
• IP prefix list
• Routing policy
• AS path list