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Command Usage
This command is used to include a client identifier in all communications with
the DHCP server, which uses it to index its database of address bindings. The
information included in the identifier is based on RFC 2132 Option 60, and
must be unique for all clients in the same administrative domain.
Example
Console(config)#interface vlan 2
Console(config-if)#ip dhcp client-identifier hex 00-00-e8-66-65-72
Console(config-if)#
Related Commands
ip dhcp restart client (39-2)
ip dhcp restart client
This command submits a BOOTP or DHCP client request.
Default Setting
None
Command Mode
Privileged Exec
Command Usage
• This command issues a BOOTP or DHCP client request for any IP interface
that has been set to BOOTP or DHCP mode via the
ip address
command.
• DHCP requires the server to reassign the client’s last address if available.
• If the BOOTP or DHCP server has been moved to a different domain, the
network portion of the address provided to the client will be based on this new
domain.
Example
In the following example, the device is reassigned the same address.
Console(config)#interface vlan 1
Console(config-if)#ip address dhcp
Console(config-if)#exit
Console#ip dhcp restart client
Console#show ip interface
Vlan 1 is up, addressing mode is DHCP
Interface address is 192.168.1.54, mask is 255.255.255.0, Primary
MTU is 1500 bytes
Proxy ARP is disabled
Split horizon is enabled
Console#
Related Commands
ip address (41-3)
39-2
DHCP Commands
39