Web-based Configuration Guide Switch Management
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5.2 Configuring DHCP Snooping
5.2.1 Overview
DHCP Snooping implements recording and monitoring the usage of client IP addresses through exchange of
DHCP packets between the server and client. In addition, this function can filter invalid DHCP packets to ensure
that clients can obtain network configuration parameters only from the DHCP server in the controlled range. DHCP
Snooping will prevent rogue DHCP servers offering IP addresses to DHCP clients to ensure the stability of the
network.
Caution
After DHCP Snooping is enabled on the switch, the switch does not forward invalid DHCP packets. However, if
a client directly connects to a rogue DHCP server, it cannot access the Internet as the obtained IP address is
incorrect. In this case, you need to find the rogue router and disable DHCP on it, or use the WAN port for uplink
connection.
5.2.2 Configuration Steps
Choose Network > DHCP Snooping.
(1) Click Enable to access the DHCP Snooping Config page.
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