Advertisement
Command Modes
CONFIGURATION
Default
Disabled
Command
Version 7.8.1.0
History
ip dhcp snooping
c s
Enable DHCP Snooping globally.
Syntax
[no] ip dhcp snooping
Command Modes
CONFIGURATION
Default
Disabled
Command
Version 7.8.1.0
History
Usage
When enabled, no learning takes place until snooping is enabled on a VLAN. Upon disabling DHCP
Information
Snooping the binding table is deleted, and Option 82, IP Source Guard, and Dynamic ARP Inspection
are disabled.
Related
ip dhcp snooping vlan
Commands
ip dhcp snooping database
c s
Delay writing the binding table for a specified time.
Syntax
ip dhcp snooping database write-delay minutes
Parameters
minutes
Command Modes
CONFIGURATION
Default
None
Command
Version 7.8.1.0
History
ip dhcp snooping binding
c s
Create a static entry in the DHCP binding table.
Syntax
[no] ip dhcp snooping binding mac address vlan-id vlan-id ip ip-address interface type
slot/port lease number
Introduced on C-Series and S-Series
Introduced on C-Series and S-Series
Enable DHCP Snooping on one or more VLANs.
Range: 5-21600
Introduced on C-Series and S-Series
Security | 1333
Advertisement
