Enable Bfd Globally; Establishing A Bfd Session - Huawei NetEngine80E Configuration Manual - Reliability

HUAWEI NetEngine80E/40E Router
Configuration Guide - Reliability
Applicable Environment
On two directly-connected devices, one device supports BFD and the other does not. To fast
detect a link fault, you can create a BFD session with the one-arm Echo function on the BFD-
capable device. After the BFD-capable device sends a BFD Echo packet to the BFD-incapable
device, the BFD-incapable device directly loops back the packet, achieving fast detection on the
link.
Pre-configuration Tasks
Before configuring the BFD session with the one-arm Echo function, complete the following
tasks:
l
l
Data Preparation
To configure the BFD session with the one-arm Echo function, you need the following data.
No.
1
2

5.10.2 Enable BFD Globally

BFD-associated configurations can be performed only after BFD has been enabled globally.
Context
Perform the following steps on the BFD-supported device at one end of a link.
Procedure
Step 1 Run:
system-view
The system view is displayed.
Step 2 Run:
bfd
BFD is globally enabled and the BFD view is displayed.
----End

5.10.3 Establishing a BFD Session

By establishing a BFD session on a BFD-capable device, you can rapidly detect a direct link
between the BFD-capable device and its BFD-incapable peer.
Issue 02 (2014-09-30)
Correctly connect interfaces.
Correctly assign an IP address to every Layer 3 interface.
Data
Name of a BFD session
Minimum interval at which BFD packets are received
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