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Command Reference
16
Release 12.0(1)T
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 | *
Syntax Description
Command Modes
Privileged EXEC
Usage Guidelines
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.
Examples
The following example shows an address conflict of 10.12.1.99 being deleted from the DHCP server
database:
clear ip dhcp conflict 10.12.1.99
Related Commands
show ip dhcp conflict
address The IP address of the host that contains the conflicting address you
want to clear.
* Clears all address conflicts.