Configuration prerequisites, Configuration guidelines – H3C Technologies H3C S12500-X Series Switches User Manual
Page 221
207
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.
ip vpn-instance
vpn-instance-name
N/A
3.
Enter BGP IPv4 unicast
address family view or
BGP-VPN IPv4 unicast
address family view.
address-family ipv4 [ unicast ] N/A
4.
Configure BGP route
reception filtering policies.
•
Reference an ACL or IP prefix list to
filter BGP routes received from all
peers:
filter-policy { acl-number | prefix-list
prefix-list-name } import
•
Reference a routing policy to filter
BGP routes received from a peer or
peer group:
peer { group-name | ip-address }
route-policy route-policy-name
import
•
Reference an ACL to filter BGP routes
received from a peer or peer group:
peer { group-name | ip-address }
filter-policy acl-number import
•
Reference an AS path list to filter
BGP routes received from a peer or
peer group:
peer { group-name | ip-address }
as-path-acl as-path-acl-number
import
•
Reference an IPv4 prefix list to filter
BGP routes received from a peer or
peer group:
peer { group-name | ip-address }
prefix-list prefix-list-name import
Use at least one method.
By default, no route reception
filtering is configured.
To configure BGP route reception filtering policies (IPv6):
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.
ip vpn-instance
vpn-instance-name
N/A