interface 
type
Enter the keyword interface followed by the type of interface to 
which the host is connected:
• For an 10/100 Ethernet interface, enter the keyword 
fastethernet.
• For a Gigabit Ethernet interface, enter the keyword 
gigabitethernet.
• For a SONET interface, enter the keyword sonet.
• For a Ten Gigabit Ethernet interface, enter the keyword 
tengigabitethernet.
• For a 40-Gigabit Ethernet interface, enter the keyword 
fortyGigE.
slot/port
Enter the slot and port number of the interface.
lease 
time
Enter the keyword lease followed by the amount of time the IP 
address will be leased. The range is 1 to 4294967295.
Defaults none
Command Modes
• EXEC
• EXEC Privilege
Command History
Version 8.3.11.1 Introduced on the Z9000.
Version 8.5.1.0 Added support for 4-port 40G line cards on ExaScale.
Version 8.3.7.0 Introduced on the S4810.
Version 8.3.1.0 Introduced on the E-Series.
Version 7.8.1.0 Introduced on the C-Series and S-Series.
Related 
Commands
show ip dhcp snooping – displays the contents of the DHCP binding table.
ip dhcp snooping database
Delay writing the binding table for a specified time.
C-Series, E-Series, S-Series, Z-Series
Syntax
ip dhcp snooping database write-delay minutes
Parameters
minutes
The range is 5 to 21600.
Defaults none
Command Modes CONFIGURATION
Command History
Version 8.3.11.1 Introduced on the Z9000.
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