Cisco Systems 32369 manual ip dhcp excluded-address low-address high-address, range, Defaults

Command Reference

ip dhcp excluded-address

To specify IP addresses that a Cisco IOS Dynamic Host Configuration Protocol (DHCP) Server should not assign to DHCP clients, use the ip dhcp excluded-addressglobal configuration command. Use the no form of this command to remove the excluded IP addresses.

ip dhcp excluded-address low-address[high-address]

no ip dhcp excluded-address low-address[high-address]

Syntax Description

low-address	The excluded IP address, or first IP address in an excluded address
	range.
high-address	(Optional) The last IP address in the excluded address range.

Defaults

All IP pool addresses are assignable.

Command Modes

Global configuration

Usage Guidelines

This command first appeared in Cisco IOS Release 12.0(1)T.

The DHCP server assumes that all pool addresses may be assigned to clients. Use this command to exclude a single IP address or a range of IP addresses.

Example

The following example configures an excluded IP address range from 172.16.1.100 through 172.16.1.199:

ip dhcp excluded-address 172.16.1.100 172.16.1.199

Related Commands

ip dhcp pool network (DHCP)

28Release 12.0(1)T