Configuring Dhcp Snooping; Dhcp Snooping Configuration Example - Huawei Quidway S3500 Series Operation Manual

Operation Manual - Network Protocol
Quidway S3500 Series Ethernet Switches

6.2 Configuring DHCP Snooping

6.2.1 DHCP Snooping Configuration Task
The following table describes DHCP snooping configuration tasks:
Table 6-1 DHCP snooping configuration task
Configuration
Enter system view
Enable
snooping
switch
Enter Ethernet port
view
Set the port as trusted
Display
association
recorded by DHCP
snooping
Display the enable
status
snooping
information about the
trusted port
Caution:
You must first disable DHCP relay (no DHCP server is configured on any Layer 3 port)
before enabling DHCP snooping on the switch.

6.2.2 DHCP Snooping Configuration Example

I. Networking requirements
SwitchA (S3500) works as a Layer 2 switch. Enable DHCP snooping on it.
SwitchA records the IP address for DHCP client to access the Internet, and
confirms the association between the applied IP address and host MAC address.
system-view
DHCP
on the dhcp-snooping
interface { interface-type
interface-number
interface-name }
dhcp-snooping trust
the
table
display dhcp-snooping
of DHCP
display dhcp-snooping
and
trust
Huawei Technologies Proprietary
Chapter 6 DHCP Snooping Configuration
Command
––
Optional. By default, DHCP
snooping is disabled.
| ––
Optional. By default, no port is
set as trusted.
(S3526E/S3526E FM/S3526E
FS/S3526C support)
Optional, any view
Optional, any view
(S3526E/S3526E FM/S3526E
FS/S3526C support)
6-2
Remarks