CLI Guide

Layer 2 Switching Commands 548
IP Device Tracking Commands
Dell EMC Networking N1100-ON/N1500/N2000/N2100-ON/N2200-
ON/N3000-ON/N3100-ON Series Switches
ip device tracking
Use the ip device tracking command to enable device tracking for IPv4 hosts.
Syntax
ip device tracking
no ip device tracking
Default Configuration
IP device tracking is disabled by default.
Command Mode
Global Configuration mode
User Guidelines
IP device tracking (IPDT) maintains a table of attached IPv4 host addresses.
The attached IPv4 host addresses are learned via DHCP snooping or ARP.
ARP probes are sent periodically to determine if any new hosts are present or
if a host has left the LAN segment or gone quiescent (sleep mode).
The IPDT table is populated with the IPv4 address, MAC address, VLAN,
and interface for each host. DHCP snooping already provides a mapping from
the host IP address to a port on the switch for the IP address acquired via
DHCP. But DHCP snooping cannot track statically configured hosts nor can
it detect the movement of the hosts in a VLAN.
For each device entry in the IPDT table, ARP probe is sent periodically to
check the reachability of the device. If there are no ARP responses received for
the configured number of retransmit ARP probes, the device entry is marked
inactive.