Clear ip dhcp conflict, Syntax description, Command modes – Cisco 32369 User Manual
Page 16: Usage guidelines, Examples, Related commands
clear ip dhcp conflict
To clear an address conflict from the Cisco IOS Dynamic Host Configuration Protocol (DHCP)
Server database, use the clear ip dhcp conflict privileged EXEC command.
clear ip dhcp conflict address | *
This command first appeared in Cisco IOS Release 12.0(1)T.
The server detects conflicts using a ping session. The client detects conflicts using gratuitous
Address Resolution Protocol (ARP). If the asterisk (*) character is used as the address parameter,
DHCP clears all conflicts.
The following example shows an address conflict of 10.12.1.99 being deleted from the DHCP server
clear ip dhcp conflict 10.12.1.99
show ip dhcp conflict
The IP address of the host that contains the conflicting address you
want to clear.
Clears all address conflicts.