H3C Technologies H3C S12500-X Series Switches - Manual (Page 222)

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Step Command Remarks
3. Enter BGP IPv6 unicast
address family view or
BGP-VPN IPv6 unicast
address family view.
address-family ipv6 [ unicast ] N/A
4. Configure BGP route
reception filtering policies.
• Reference ACL or IPv6 prefix list to
filter BGP routes received from all
peers:
filter-policy { acl6-number |
prefix-list ipv6-prefix-name } import
• Reference a routing policy to filter
BGP routes received from a peer or
peer group:
peer { group-name | ipv6-address }
route-policy route-policy-name
import
• Reference an ACL to filter BGP routes
received from a peer or peer group:
peer { group-name | ipv6-address }
filter-policy acl6-number import
• Reference an AS path list to filter
BGP routes received from a peer or
peer group:
peer { group-name | ipv6-address }
as-path-acl as-path-acl-number
import
• Reference an IPv6 prefix list to filter
BGP routes received from a peer or
peer group:
peer { group-name | ipv6-address }
prefix-list ipv6-prefix-name import
Use at least one method.
By default, no route reception
filtering is configured.
319B
Configuring BGP route dampening
Route dampening enables BGP to not select unstable routes as optimal routes.
To configure BGP route dampening (IPv4):
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