Ip Dhcp Snooping Database - Dell MXL 10GbE Reference Manual

Usage
When enabled, no learning takes place until you enable snooping on a VLAN. After
Information
disabling DHCP snooping, the binding table is deleted, and Option 82, IP Source
Guard, and Dynamic ARP Inspection are disabled.
Introduced in the Dell Networking OS version 7.8.1.0, DHCP snooping was
available for Layer 3 only and dependent on DHCP Relay Agent (ip helper-address).
The Dell Networking OS version 8.2.1.0 extends DHCP Snooping to Layer 2, and
you do not have to enable relay agent to snoop on Layer 2 interfaces.
Related ip dhcp snooping vlan
Commands

ip dhcp snooping database

Delay writing the binding table for a specified time.
Syntax
ip dhcp snooping database write-delay minutes
Parameters
minutes
Defaults none
Command CONFIGURATION
Modes
Command
Version 8.3.16.1
History
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
vlan-id vlan-id
ip ip-address
interface type
498
— enables DHCP snooping on one or more VLANs.
The range is from 5 to 21600.
Introduced on the MXL 10/40GbE Switch IO Module.
Enter the keyword mac then the MAC address of the host to
which the server is leasing the IP address.
Enter the keywords vlan-id then the VLAN to which the
host belongs. The range is from 2 to 4094.
Enter the keyword ip then the IP address that the server is
leasing.
Enter the keyword interface then the type of interface to
which the host is connected:
Dynamic Host Configuration Protocol (DHCP)