User Manual

24-Port Gigabit (Hi-Power) PoE+ Ethernet Smart Managed Pro Switch with 2 SFP Ports
Configure System Information User Manual119
When MAC address validation is enabled, the device checks packets that are received
on an untrusted interface to verify that the MAC address and the DHCP client hardware
address match. If the addresses do not match, the device drops the packet.
9. Click the Apply
button.
Your settings are saved.
Enable DHCP for all interfaces in a VLAN
To enable DHCP snooping for all interfaces that are members of a VLAN:
1. Connect your
computer to the same network as the switch.
You can use a WiFi or wired connection to connect your computer to the network, or
connect directly to a switch that is off-network using an Ether
net cable.
2. Launch a web browser.
3. In the address field of your web browser, enter the IP address of the switch.
If you do not know the IP address of the switch, see
Access the switch on-network and
connected to the Internet on page 19 or Access the switch off-network and not
connected to the Internet on page 27.
The Device UI login page displays.
If you did not yet activate your warranty, the Register to activate your warranty page
displays. For more information, see
Register the switch on page 30.
4. Enter one of the following passwords:
• After registration, enter the device admin password.
• If you previously managed the switch through the Insight app or
Cloud portal, enter
the Insight network password for the last Insight network location.
For information about the credentials, see
Credentials for the device UI on page 28.
5. Click the Go
button.
The System Information page displays.
6. Select System >
Services > DHCP Snooping > Global Configuration.
The DHCP Snooping Global Configuration page displays.
7. In the VLAN
ID field, specify the VLAN on which DHCP snooping is enabled.
8. From the DHCP
Snooping Mode menu, select Enable.
9. Click the Apply
button.
Your settings are saved.