Dhcp Relay Configuration; Dhcp Relay Configuration Tasks - Huawei Quidway S3900 Series Operation Manual

Operation Manual - DHCP
Quidway S3900 Series Ethernet Switches-Release 1510

3.2 DHCP Relay Configuration

Note:
If a switch belongs to a fabric, you need to enable the UDP-helper function on it before
configure it to be a DHCP relay.

3.2.1 DHCP Relay Configuration Tasks

Table 3-1 DHCP relay configuration tasks
Configuration task
Enable DHCP
Configure an interface to operate
in DHCP relay mode
Configure DHCP relay security
Configure option 82 supporting
3.2.2 Enabling DHCP
Make sure to enable DHCP before you perform other DHCP relay-related
configurations, since other DHCP-related configurations cannot take effect with DHCP
disabled.
Table 3-2 Enable DHCP
Operation
Enter system view
Enable DHCP
Remarks
Required
Required
Optional
Optional
Command
system-view
dhcp enable
Huawei Technologies Proprietary
3-4
Chapter 3 DHCP Relay Configuration
Section
3.2.2 "Enabling DHCP"
3.2.3 "Configuring
Interface to Operate in DHCP
Relay Mode"
3.2.4 "Configuring DHCP
Relay Security"
3.2.5 "Configuring Option 82
Supporting"
Description
—
Required
By default, DHCP is enabled
an