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Chapter 35 DHCP Relay Commands
A DHCP Relay is a Layer 3 device that forwards DHCP packets between clients and servers.
DHCP Relay forward requests and replies between clients and servers when they are not on the
same physical subnet.
35.1 service dhcp relay
Description
The service dhcp relay command is used to enable DHCP Relay function
globally. To disable DHCP Relay function, please use no service dhcp relay
command.
Syntax
service dhcp relay
no service dhcp relay
Command Mode
Global Configuration Mode
Privilege Requirement
Only Admin, Operator and Power User level users have access to these
commands.
Example
Enable DHCP Relay function globally:
T1600G-52TS(config)# service dhcp relay
35.2 ip helper-address
Description
The ip helper-address command is used to add DHCP Server address to the
Layer 3 interface. To delete the server address, please use no ip
helper-address command.
Syntax
ip helper-address
ip-address
no ip helper-address [
ip-address
]
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