Huawei Quidway S3900 series Command Manual page 233

Command Manual - DLDP
Quidway S3900 Series Ethernet Switches-Release 1510
Use the undo dldp delaydown-timer command to restore the default delaydown timer
setting.
Example
# Set the delaydown timer to 2 seconds.
<Quidway> system-view
System View: return to User View with Ctrl+Z.
[Quidway] dldp delaydown-timer 2
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1-8
Chapter 1 DLDP Configuration Commands