Interface Status Configuration

Before setting DHCP snooping parameters on an interface, you must enable the DHCP snooping function on the interface.

Context

The DHCP snooping function ensures that DHCP clients obtain IP addresses from authorized DHCP servers and records mappings between IP addresses and MAC addresses of DHCP clients, preventing DHCP attacks on the network.

Before setting DHCP snooping parameters on an interface, you must enable the DHCP snooping function on the interface.

Procedure

Enable DHCP snooping on an interface.

Choose Security > DHCP Snooping > Interface Status Configuration in the navigation tree to open the Interface Status Configuration page

Table 1 describes the parameters on the page.

**Table 1** Interface Status Configuration
Parameter		Description
Interface Name		Indicates the name of the interface.
Status		Indicates whether DHCP snooping is enabled on the interface.

Select interfaces and click Configure to open the Interface Status Configuration page

Table 2 describes the parameters on the page.

**Table 2** Interface Status Configuration on Specified Interface
Parameter		Description
Interface name		Indicates the interface where the DHCP snooping function will be configured.
DHCP snooping status		Indicates the DHCP snooping status on the interface, including enabled and disabled.

Enable the DHCP snooping function and click OK.

Update the DHCP snooping status on the interface.
1. Choose Security > DHCP Snooping > Interface Status Configuration in the navigation tree to open the Interface Status Configuration page.
2. Click Refresh.
Query the DHCP snooping status on the interface.
1. Choose Security > DHCP Snooping > Interface Status Configuration in the navigation tree to open the Interface Status Configuration page.
2. In the Query area, select an interface type and enter the interface number, and click Query.