NETGEAR S3300 - Global Configuration

Configure System Information
117
S3300 Smart Managed Pro Switch
trusted interface is an interface that is configured to receive only messages from within the
network.
DHCP snooping acts like a firewall between untrusted host
s 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.
Global Configuration
Use this screen to view and configure the global settings for DHCP snooping.
 To configure DHCP snooping global settings:
1. Select System> Services > DHCP Snoo
ping > Global Configuration.
Figure 67. DHCP Snooping Global Configuration
2. Next to DHCP Snooping Mode, enable the DHCP Snooping feature. The factory default is
Disabled.
3. (Optionally) Next
to MAC Address Validation, enable the verification of the sender MAC
address for DHCP snooping. The factory default is Enabled.
When MAC address validation is enabled, the device checks packets that are received on
a
n 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.
4. Click the Ap
ply button.
 To enable DHCP snooping for all interfaces that are members of a VLAN:
1. I
n the VLAN ID field, specify the VLAN on which DHCP snooping is enabled.
2. From the DHCP Sno
oping Mode list, select Enable.
3. Click the Ap
ply button.