client-identifier

Last Updated : Nov 06, 2012 |

Configures a reservation/manual pool. A reservation/manual pool reserves one IP address for a specific client. This command specifies a unique identifier for the client. The pool for which you configure a client identifier must contain one IP address only. This means that the start and end IP addresses of the pool must be equal. The DHCP server uses the client identifier to recognize the DHCP client and allocates the reserved IP address to the client. Use no client-identifier to clear a specified unique identifier for a DHCP client.

Syntax

[no] client-identifier unique-identifier

Parameters

Parameter

Description

Possible Values

Default Value

unique- identifier

A unique identifier for a DHCP client, in the format type:data

Hex string, any value.

For Ethernet MAC use type:data format, where type is 01 and data is the MAC address of the device.

null hex string

User level

read-write

Context

dhcp pool

Example

To set the MAC address as a client identifier for an Ethernet MAC client with MAC address 00:11:22:33:44:55:

Gxxx-001(DHCP 5)# client-identifier 01:00:11:22:33:44:55