Configuring The Delay For Bfd Session Status Change To Up; Checking The Configuration - Huawei AR2200-S Series Configuration Manual

Huawei AR2200-S Series Enterprise Routers
Configuration Guide - Reliability

3.5.2 Configuring the Delay for BFD Session Status Change to Up

The delay for BFD session status change to Up is configured to prevent traffic loss in special
scenarios.
Procedure
Step 1 Run:
system-view
The system view is displayed.
Step 2 Run:
bfd
BFD is enabled globally and the BFD view is displayed.
Step 3 Run:
delay-up seconds
The length of the delay before a BFD session goes Up is set.
By default, the delay time is 0 seconds.
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3.5.3 Checking the Configuration

By viewing the delay of a BFD session to go Up, you can check whether the configurations are
successful.
Prerequisite
The configurations of the delay of a BFD session to go Up are complete.
Procedure
Step 1 Run the display bfd statistics command to check statistics about global BFD.
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Example
# After the configuration, restart the router. After the restart, run the display bfd statistics
command.The System Session Delay Up Timer field in the command output. This field displays
the status of the current system delay Up time. OFF indicates that the system is in the normal
state; Xs indicates that after X seconds, the system recovers, and the BFD session goes Up.
<Huawei> display bfd statistics
Current Display Board Number : Main ; Current Product Register Type: AR
IP Multihop Destination Port : 3784
Total Up/Down Session Number : 0/1
Current Session Number :
Issue 01 (2012-01-06)
Static session : 0
E_Dynamic session : 0
LDP_LSP session : 0
TE_TUNNEL session : 0
PW session : 0
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Dynamic session
STATIC_AUTO session
STATIC_LSP session
TE_LSP session
IP session
3 BFD Configuration
: 0
: 1
: 0
: 0
: 1
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