ip dhcp snooping
Enable DHCP Snooping globally.
Syntax
[no] ip dhcp snooping
Defaults Disabled.
Command
Modes
CONFIGURATION
Command
History
Version 8.3.16.1 Introduced on the MXL 10/40GbE Switch IO Module.
Usage
Information
When enabled, no learning takes place until you enable snooping on a VLAN. After
disabling DHCP Snooping, the binding table is deleted and Option 82, IP Source
Guard, and Dynamic ARP Inspection are disabled.
Related
Commands
ip dhcp snooping vlan — enables DHCP Snooping on one or more VLANs.
ip dhcp snooping database
Delay writing the binding table for a specified time.
Syntax
ip dhcp snooping database write-delay minutes
Parameters
minutes The range is from 5 to 21600.
Defaults none
Command
Modes
CONFIGURATION
Command
History
Version 8.3.16.1 Introduced on the MXL 10/40GbE Switch IO Module.
ip dhcp snooping binding
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
Parameters
mac address Enter the keyword mac then the MAC address of the host to
which the server is leasing the IP address.
1202
Security
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