Administrator Guide

Version Description
9.2(1.0) Introduced on the Z9500.
Usage Information
Use this command to include the vendor-class identifier (option 60) in DHCP packets sent by the client. This
option is used by DHCP clients to identify the vendor type and configuration of a DHCP client. The vendor-class
identifier includes hardware-related information that identifies the switch and includes a user-configurable text
string .
ip address dhcp vendor-class-identifier relay information-option
ip address dhcp vendor-class-identifier relay information-option remote-id mac
Related
Commands
ip address dhcp — configures an interface to receive its IP address from the configured DHCP server.
ip dhcp relay secondary-subnet
Enable DHCP relay secondary-subnet on all the interfaces in a switch.
C9000 Series
Syntax
[no] ip dhcp relay seconday-subnet
To disable the dhcp relay secondary-subnet, use theno ip dhcp relay secondary-subnet command.
Defaults Disabled.
Command Modes CONFIGURATION
Command History
This guide is platform-specific. For command information about other platforms, see the relevant Dell Networking
OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version Description
9.9(0.0) Introduced on the C9010.
9.7(0.0) Introduced on the S4810, S4820T, S6000 and Z-Series.
Example
Dell(conf)#ip dhcp relay secondary-subnet
ip helper-address
Specify the address of a DHCP server so that DHCP broadcast messages are forwarded when the DHCP server is not on the same
subnet as the client.
C9000 Series
Syntax
ip helper-address ip-address
To remove a DHCP server address, use the no ip helper-address command.
Parameters
ip-address Enter an IP address in dotted decimal format (A.B.C.D).
Defaults Not configured.
Command Modes INTERFACE
Command History
This guide is platform-specific. For command information about other platforms, refer to the relevant Dell
Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Dynamic Host Configuration Protocol (DHCP) 593