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Command Reference
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Release 12.0(1)T
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-address global 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
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)
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.