D-Link DGS-6608 [120/1106] Clear ip dhcp conflict

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DGS-6600 Series Switch m clear ip dhcp conflict

CLI Reference Guide

110

clear ip dhcp conflict

Use this command to clear an address conflict from the DHCP server database.

clear ip dhcp conflict [pool NAME] [ADDRESS]

Default None.

Command Mode Privileged EXEC.

Usage Guideline Use this command to delete the address in conflict. The DHCP server detects the

conflict of an IP address by using a ping session. If no IP address is specified,

DHCP server clears all known IP addresses that are in conflict.

The server detects conflicts using a ping session. The client detects conflicts

using gratuitous Address Resolution Protocol (ARP).

Note the following behavior for the clear ip dhcp conflict command:

• If the pool NAME option is not specified and an IP ADDRESS is speci-

fied, the system parses all the DHCP pools for the address of the speci-

fied conflict.

• If the pool NAME option is not specified and no IP ADDRESS is speci-

fied, then the system deletes all address conflicts from all DHCP pools.

• If the pool NAME option is specified but no IP ADDRESS is specified,

then all conflicts in the specified pool will only be cleared.

• If both the pool NAME option and an IP ADDRESS are specified, the

specified address conflict will be deleted from the specified pool.

Examples The following example shows an address conflict of 10.12.1.99 being deleted

from the DHCP server database.

The following example deletes all the address conflicts from the entire DHCP

server database.

Syntax Description

pool NAME (Optional) Name of the DHCP pool.

ADDRESS (Optional) The IP address, that is in conflict, to be deleted

switch# clear ip dhcp conflict 10.12.1.99

switch#

switch#clear ip dhcp conflict

switch#