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Bidirectional control mode
To use BFD bidirectional control detection between two devices, enable BFD control mode for each
device's static route destined to the peer.
To configure a static route and enable BFD control mode, use one of the following methods:
• Specify an output interface and a direct next hop.
• Specify an indirect next hop and a BFD packet source address for the static route.
To configure BFD control mode for an IPv6 static route (direct next hop):
1. Enter system view.
system-view
N/A
2. Configure BFD
control mode for an
IPv6 static route.
ipv6 route-static
[
vpn-instance
s-vpn-instance-name ] ipv6-address
prefix-length interface-type interface-number
next-hop-address
bfd control-packet
[
bfd-source
ipv6-address ] [
preference
preference ] [
tag
tag-value ] [
description
text ]
By default, BFD control mode
for an IPv6 static route is not
configured.
To configure BFD control mode for an IPv6 static route (indirect next hop):
1. Enter system view.
N/A
2. Configure BFD
control mode for an
IPv6 static route.
ipv6 route-static
[
vpn-instance
s-vpn-instance-name ] ipv6-address
prefix-length [
vpn-instance
d-vpn-instance-name ] { next-hop-address
bfd
control-packet bfd-source
ipv6-address }
[
preference
preference ] [
tag
tag-value ]
[
description
text ]
By default, BFD control mode
for an IPv6 static route is not
configured.
Single-hop echo mode
With BFD echo mode enabled for a static route, the output interface sends BFD echo packets to the
destination device, which loops the packets back to test the link reachability.
Do not use BFD for a static route with the output interface in spoofing state.
To configure BFD echo mode for an IPv6 static route:
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