Dhcp Relay Agent Configuration Task List; Configuring The Dhcp Relay Agent; Enabling Dhcp; Enabling The Dhcp Relay Agent On Interfaces - 3Com MSR 50 Series Configuration Manual

DHCP Relay Agent
Configuration Task
List
Configuring the DHCP
Relay Agent

Enabling DHCP

Enabling the DHCP Relay
Agent on Interfaces
If a reply returned by the DHCP server contains Option 82, the DHCP relay agent
will remove the Option 82 before forwarding the reply to the client.
If a client's
requesting Handling
message has... strategy
Option 82 Drop
Keep
Replace
no Option 82 -
-
Complete the following tasks to configure the DHCP relay agent:
Task
"Enabling DHCP" on page 591
"Enabling the DHCP Relay Agent on Interfaces" on page 591
"Correlating a DHCP Server Group with Relay Agent Interfaces" on
page 592
"Configuring the DHCP Relay Agent to Send a DHCP-Release Request"
on page 593
"Configuring the DHCP Relay Agent Security Functions" on page 593
"Configuring the DHCP Relay Agent to Support Option 82" on page
595
Enable DHCP before performing other DHCP-related configurations.
To do...
Enter system view
Enable DHCP
With this task completed, upon receiving a DHCP request from an enabled
interface, the relay agent will forward the request to a DHCP server for address
allocation.
To enable the DHCP relay agent on interfaces, use the following commands:

DHCP Relay Agent Configuration Task List

Padding
format The DHCP relay agent will...
Random Drop the message.
Random Forward the message without changing
Option 82.
normal Forward the message after replacing the
original Option 82 with the Option 82
padded in normal format.
verbose Forward the message after replacing the
original Option 82 with the Option 82
padded in verbose format.
normal Forward the message after adding the
Option 82 padded in normal format.
verbose Forward the message after adding the
Option 82 padded in verbose format.
Use the command...
system-view
dhcp enable
591
Remarks
Required
Required
Required
Optional
Optional
Optional
Remarks
-
Required
Disabled by default