proactive-arp-detection
Syntax
proactive-arp-detection;
Hierarchy Level
[edit system arp]
Description
Enable proactive ARP detection to check the reachability
of connected devices (within an IP subnet range) on a specified interface.
After enabling this statement, you can set the ARP configurations
at the interface level by the setting the: host-discovery address-range, ageing-time-out seconds, and discovery-time-interval seconds options at the [edit interfaces interface-name family inet address ip-address] hierarchy level.
Likewise, you can delete the ARP configuration settings by using the delete interfaces interface-name unit unit family inet address ip-address host-discovery address-range command.
Default
This configuration statement is disabled by default.
Required Privilege Level
admin
Release Information
Statement introduced in Junos OS Release 18.3R1-S3, 18.3R2 and 19.3R1.