Huawei NetEngine80E Configuration Manual - Reliability page 423

HUAWEI NetEngine80E/40E Router
Configuration Guide - Reliability
Networking Requirements
On the network shown in
multi-hop routes between Router A and Router C.
Figure 5-12 Networking diagram for multi-hop BFD
RouterA
Configuration Roadmap
The configuration roadmap is as follows:
1.
2.
Data Preparation
To complete the configuration, you need the following data:
l
l
Procedure
Step 1 Configure reachable routes between Router A, Router B, and Router C.
In this example, static routes are used. The detailed configurations are not provided.
Step 2 Configure multi-hop BFD between Router A and Router C.
# Configure a BFD session between Router A and Router C.
The interface is not bound to the BFD session.
<RouterA> system-view
[RouterA] bfd
[RouterA-bfd] quit
[RouterA] bfd atoc bind peer-ip 10.2.1.2
[RouterA-bfd-session-atoc] discriminator local 10
[RouterA-bfd-session-atoc] discriminator remote 20
Issue 02 (2014-09-30)
NOTE
POS interfaces cannot be configured on the -X1 and -X2 models ofNE80E/40Es.
Figure
POS1/0/0
10.1.1.1/24
Configure a BFD session on Router A to detect faults in multi-hop routes between Router
A and Router C.
Configure a BFD session on Router C to detect faults in multi-hop routes between Router
C and Router A.
Peer IP address for a BFD session
Local and remote discriminators of a BFD session
NOTE
Default values of the minimum sending interval, minimum receiving interval, and local detection multiplier
for BFD control packets are used.
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5-12, BFD in asynchronous mode is used to detect faults on
POS1/0/0 POS2/0/0
10.1.1.2/24 10.2.1.1/24
RouterB
5 BFD Configuration
POS1/0/0
10.2.1.2/24
RouterC
406