Reference Guide

Dynamic Host Configuration Protocol (DHCP) | 229
Enable DCHP snooping
Add a static entry in the binding table
Clear the binding table
Display the contents of the binding table
View the DHACP Snooping statistics with the show ip dhcp snooping command as shown in the following
example.
FTOS#show ip dhcp snooping
IP DHCP Snooping : Enabled.
IP DHCP Snooping Mac Verification : Disabled.
IP DHCP Relay Information-option : Disabled.
IP DHCP Relay Trust Downstream : Disabled.
Database write-delay (In minutes) : 0
DHCP packets information
Relay Information-option packets : 0
Relay Trust downstream packets : 0
Snooping packets : 0
Step Task Command Syntax Command Mode
1 Enable DHCP Snooping globally. ip dhcp snooping CONFIGURATION
2 Specify ports connected to DHCP servers as trusted. ip dhcp snooping trust INTERFACE
3 Enable DHCP Snooping on a VLAN. ip dhcp snooping vlan
vlan
CONFIGURATION
Task Command Syntax Command Mode
Add a static entry in the binding table. ip dhcp snooping binding mac
nn:nn:nn:nn:nn:nn vlan-id vlan ip
A.B.C.D interface type interface-id
lease value
EXEC Privilege
Task Command Syntax Command Mode
Delete all of the entries in the binding
table
clear ip dhcp snooping binding EXEC Privilege
Task Command Syntax Command Mode
Display the contents of the binding
table.
show ip dhcp snooping EXEC Privilege