Reference Guide

The following is a list of the FTOS version history for this command.
Version 8.3.19.0 Introduced on the S4820T.
Version 8.3.11.1 Introduced on the Z9000.
Version 8.3.7.0 Introduced on the S4810.
Version 7.8.1.0 Introduced on the C-Series and S-Series.
ip dhcp snooping
Enable DHCP Snooping globally.
S4820T
Syntax
[no] ip dhcp snooping
Defaults Disabled.
Command Modes CONFIGURATION
Command History
This guide is platform-specific. For command information about other platforms, refer to the
relevant FTOS Command Line Reference Guide .
The following is a list of the FTOS version history for this command.
Version 8.3.19.0 Introduced on the S4820T.
Version 8.3.11.1 Introduced on the Z9000.
Version 8.3.7.0 Introduced on the S4810.
Version 7.8.1.0 Introduced on the C-Series and S-Series.
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 binding
Create a static entry in the DHCP binding table.
S4820T
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.
vlan-id vlan-id Enter the keywords vlan-id then the VLAN to which the host
belongs. The range is from 2 to 4094.
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