Bidirectional Control Mode; Single-Hop Echo Mode - HP FlexFabric 12900E Series Configuration Manual

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):
Step
1. Enter system view.
2. Configure
control mode for an
IPv6 static route.
To configure BFD control mode for an IPv6 static route (indirect next hop):
Step
1. Enter system view.
2. Configure
control mode for an
IPv6 static route.

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.
IMPORTANT:
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:
Step
1. Enter system view.
Command
system-view
ipv6 route-static
s-vpn-instance-name
BFD
prefix-length interface-type interface-number
next-hop-address
[ bfd-source ipv6-address ] [ preference
preference ] [ tag tag-value ] [ description
text ]
Command
system-view
ipv6 route-static
s-vpn-instance-name
BFD
prefix-length
d-vpn-instance-name ] { next-hop-address bfd
control-packet bfd-source ipv6-address }
[ preference preference ] [ tag tag-value ]
[ description text ]
Command
system-view
[ vpn-instance
] ipv6-address
bfd control-packet
vpn-instance
[
] ipv6-address
[ vpn-instance
368
Remarks
N/A
By default, BFD control mode
for an IPv6 static route is not
configured.
Remarks
N/A
By default, BFD control mode
for an IPv6 static route is not
configured.
Remarks
N/A