Dell C9000 series, Reference Manual

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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 the
no 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
Dynamic Host Configuration Protocol (DHCP) 814