dhcp relay arp user-detect interval

Function

The dhcp relay arp user-detect interval command configures the ARP probe time for the DHCP relay user table.

The undo dhcp relay arp user-detect interval command restores the default configuration.

By default, the ARP probe time of the DHCP relay user table is 20 minutes.

dhcp relay arp user-detect interval interval

undo dhcp relay arp user-detect interval [ interval ]

Parameter	Description	Value
interval	Specifies the ARP probe time of the DHCP relay user table.	The value is an integer ranging from 0 to 60, in minutes. The value 0 indicates ARP probing is disabled.

Parameter

Description

Value

interval

Specifies the ARP probe time of the DHCP relay user table.

The value is an integer ranging from 0 to 60, in minutes. The value 0 indicates ARP probing is disabled.

System view

2: Configuration level

Task Name	Operations
dhcp	write

Usage Scenario

In IP address unnumbering scenarios, if ARP probing is configured, static ARP cannot be bound to the involved user. Otherwise, ARP probing fails.

# Configure the ARP probe time of the DHCP relay user table as 30 minutes.

<HUAWEI> system-view
[~HUAWEI] dhcp relay arp user-detect interval 30