User Manual

Manage Device Security
331
M4100 Series Managed Switch
9. Use MAC Address Validation to enable or disable the validation of sender MAC address
for DHCP snooping.
The factory default is enabled.
10. For DHCP snooping VLAN configuration, use VLAN ID to enter the VLAN for which the
DHCP snooping mode is to be enabled.
11. Use DHCP Snooping Mode to enable or disable the DHCP snooping feature for the
entered VLAN.
The factory default is disabled.
12. Click the APPLY button.
The settings are sent to the switch. Configuration changes take effect immediately. These
changes are not retained across a power cycle unless you save the configuration. See
Save Configuration on page 405.
Configure the DHCP Snooping Interface
 To configure the DHCP snooping interface:
1. Prepare your computer with a static IP address in the 169.254.100.0 subnet, for
example, 169.254.100.201.
2. Connect an Ethernet cable from an Ethernet port on your computer to an Ethernet port on
the switch.
3. Launch a web browser.
4. Enter the IP address of the switch in the web browser address field.
The default IP address of the switch is 169.254.100.100.
The Login screen displays.
5. Enter the user name and password.
The default admin user name is admin and the default admin password is blank, that is,
do not enter a password.
6. Click the Login button.
The web management interface menu displays.
7. Select Security  Control > DHCP Snooping  Interface Configuration.