ndp timer hello

Function

The ndp timer hello command configures the interval for sending NDP packets.

The undo ndp timer hello command restores the default interval for sending NDP packets.

By default, the interval for sending NDP packets is 60 seconds.

ndp timer hello interval

undo ndp timer hello

Parameter	Description	Value
interval	Specifies the interval for sending NDP packets.	The value is an integer that ranges from 5 to 254, in seconds.

System view

2: Configuration level

Usage Scenario

After the interval for sending NDP packets is configured, the interface on which NDP is enabled periodically sends NDP packets.

Prerequisites

The ndp timer hello command takes effect only after NDP is enabled on the device.

Precautions

The interval for sending NDP packets must be less than the aging time of NDP packets on the receiving switch.

# Set the interval for sending NDP packets to 55 seconds.

<HUAWEI> system-view

[HUAWEI] ndp timer hello 55