Configure System Information
76
Smart Managed Pro Switches MS510TX and MS510TXPP
DHCP snooping acts like a firewall between untrusted hosts and DHCP servers. It also
provides way to differentiate between untrusted interfaces connected to the end user and
trusted interfaces connected to the DHCP server or another switch.
From the System > Services menu, you can access pages that are described in the
following sections:
• Configure the Global DHCP Snooping Settings on page 76
• Enable DHCP for All Interfaces in a VLAN on page 77
• Configure DHCP Snooping Interface Settings on page 77
• Configure Static DHCP Bindings on page 78
• Configure the DHCP Snooping Persistent Settings on page 80
Configure the Global DHCP Snooping Settings
Use this page to view and configure the global settings for DHCP snooping.
To configure the global DHCP snooping settings:
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 Ethernet 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 page 12.
The login window opens.
4. Enter the switch’s password in the Password field.
The default password is password.
The System Information page displays.
5. Select System> Services > DHCP Snooping > Global Configuration.
The DHCP Snooping Global Configuration page displays.
6. Select the DHCP Snooping Mode Enable radio button.
7. To enable the verification of the sender’s MAC address for DHCP snooping, select the MAC
Address Validation Enable radio button.
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.
8. Click the Apply button.
Your settings are saved.
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