Ip Dhcp Snooping - Dell S4810 Reference Manual

Command
This guide is platform-specific. For command information about other platforms,
History
refer to the relevant Dell Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version 9.2(0.2)
Version
8.3.19.0
Version 8.3.7.0
Version 8.3.1.0
Version 7.8.1.0

ip dhcp snooping

Enable DHCP snooping globally.
S4810
Syntax
[no] ip dhcp snooping
Defaults Disabled
Command CONFIGURATION
Modes
Command
This guide is platform-specific. For command information about other platforms,
History
refer to the relevant Dell Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version 9.0.2.0
Version 9.2.
(0.0)
Version 8.3.11.1
Version 8.3.1.0
Version 8.2.1.0
Version 7.8.1.0
Usage
When enabled, no learning takes place until you enable snooping on a VLAN. After
Information
disabling DHCP snooping, the binding table deletes and Option 82, IP Source
Guard, and Dynamic ARP Inspection are disabled.
Introduced in 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). Dell
624
Introduced on the Z9000.
Introduced on the S4820T.
Introduced on the S4810.
Introduced on the E-Series.
Introduced on the C-Series and S-Series.
Introduced on the S6000.
Introduced on the S4810 and S4820T.
Introduced on the Z9000.
Introduced on the E-Series.
Introduced on the C-Series and S-Series on Layer 2
interfaces.
Introduced on the C-Series and S-Series on Layer 3
interfaces.
Dynamic Host Configuration Protocol (DHCP)