Enabling Dhcp Snooping; Optional) Configuring Static User Binding Table - Huawei Quidway S9300 Configuration Manual

2 DHCP Snooping Configuration

2.5.2 Enabling DHCP Snooping

Context
You need to enable DHCP snooping globally before enabling DHCP snooping on an interface.
By default, DHCP snooping is disabled globally and on an interface.
Procedure
Step 1 Run:
system-view
The system view is displayed.
Step 2 Run:
dhcp snooping enable
DHCP snooping is enabled globally.
Step 3 Run:
interface interface-type interface-number
The interface view is displayed.
The interface can be an Ethernet interface, a GE interface, or an Eth-Trunk interface.
Step 4 Run:
dhcp snooping enable
DHCP snooping is enabled on the interface.
DHCP snooping must be enabled on all the network-side interfaces and user-side interfaces of
the S9300. Otherwise, configurations related to DHCP snooping do not take effect on the
interfaces.
----End

2.5.3 (Optional) Configuring Static User Binding Table

Context
For the IP address statically assigned to the user, the S9300 cannot automatically learn the MAC
address of the user or generate the binding table. You need to create the binding table manually.
Procedure
Step 1 Run:
system-view
The system view is displayed.
Step 2 Run:
user-bind static ip-address ip-address [ mac-address mac-address | interface
interface-type interface-number ]
A static entry in the binding table is configured.
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Quidway S9300 Terabit Routing Switch
vlan vlan-id [ ce-vlan vlan-id ]
Configuration Guide - Security
Issue 01 (2009-07-28)