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Configuring Basic Functions of DHCP Snooping
Pre-configuration Tasks
DHCP snooping allows DHCP clients to obtain IP addresses from authorized DHCP servers, and records mappings between IP addresses and MAC addresses of DHCP clients to a binding table.
Before configuring DHCP snooping, configure the DHCP function. (For the DHCP configuration, see DHCP Configuration in the CloudEngine 12800 and 12800E Series Switches Configuration Guide - IP Services.)
- Enabling DHCP Snooping
- Configuring an Interface as the Trusted Interface
- (Optional) Disabling Location Fixation for DHCP Snooping Users
- (Optional) Configuring an Association Between ARP and DHCP Snooping
- (Optional) Configuring the Device to Clear the MAC Address Entry Immediately When the User Is Disconnected
- Verifying the Basic DHCP Snooping Functions Configuration