Chapter 25
| DHCP Commands
DHCP for IPv4
– 634 –
DHCP for IPv4
ip dhcp client class-id This command specifies the DCHP client vendor class identifier for the current
interface. Use the no form to remove the class identifier from the DHCP packet.
Syntax
ip dhcp client class-id [text text | hex hex]
no ip dhcp client class-id
text - A text string. (Range: 1-32 characters)
hex - A hexadecimal value. (Range: 1-64 characters)
Default Setting
Class identifier option enabled, with the name ECS4210-28T
Command Mode
Interface Configuration (VLAN)
Command Usage
â—† Use this command without a keyword to restore the default setting.
â—† This command is used to identify the vendor class and configuration of the
switch to the DHCP server, which then uses this information to decide on how
to service the client or the type of information to return.
â—† The general framework for this DHCP option is set out in RFC 2132 (Option 60).
This information is used to convey configuration settings or other identification
information about a client, but the specific string to use should be supplied by
your service provider or network administrator.
â—† The server should reply with Option 66 attributes, including the TFTP server
name and boot file name.
Example
Console(config)#interface vlan 2
Console(config-if)#ip dhcp client class-id hex 0000e8666572
Console(config-if)#
Related Commands
ip dhcp restart client (635)
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