Configuring Bfd For Bgp4+ In A Private Network - Huawei Quidway NetEngine80E Configuration Manual

HUAWEI NetEngine80E/40E Router
Configuration Guide - IP Routing
The default value of wtr-value is 0, which means that the WTR timer will not be started.
Step 7 (Optional) Run:
peer ipv6-address bfd block
The peer is prevented from inheriting BFD of its group.
If a peer joins a group enabled with BFD, the peer inherits BFD of the group and creates a BFD
session. If you do not want the peer to inherit BFD of the group, you can prevent the peer from
inheriting BFD of its group.
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9.6.3 Configuring BFD for BGP4+ in a Private Network

On an IPv6 VPN network, configuring BFD for BGP4+ can fast detect the status of VPN BGP4
+ routes. A BFD session can be established only when two BGP4+ peers are in the Established
state.
Context
Perform the following steps on the BGP devices at the both ends of the link that needs to set up
a BFD session:
Procedure
Step 1 Run:
system-view
The system view is displayed.
Step 2 Run:
bfd
Global BFD is enabled on the node.
Step 3 Run:
quit
Back to the system view.
Step 4 Run:
bgp { as-number-plain | as-number-dot }
The BGP view is displayed.
Step 5 Run:
ipv6-family vpn-instance vpn-instance-name
The BGP-VPN6 instance view is displayed.
Step 6 Run:
peer { group-name | ipv6-address } bfd enable [ single-hop-prefer ]
Issue 02 (2014-09-30)
NOTE
The peer bfd block command is exclusive with the peer bfd enable command. After the peer bfd
block command is used, the BFD session is automatically deleted.
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