The following is a list of the Dell Networking OS version history for this command.

Version

Description

9.7(0.0)

Introduced on the S6000-ON.

9.2(0.2)

Introduced on the Z9000.

8.3.19.0Introduced on the S4820T.

8.3.7.0Introduced on the S4810.

8.3.1.0Introduced on the E-Series.

7.8.1.0Introduced on the C-Series and S-Series.

ip dhcp snooping

Enable DHCP snooping globally.

S6000

Syntax

Defaults

Command Modes

Command History

Usage Information

[no] ip dhcp snooping

Disabled

CONFIGURATION

This guide is platform-specific. For command information about other platforms, 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

Description

9.7(0.0)

Introduced on the S6000-ON.

9.0.2.0Introduced on the S6000.

9.2.(0.0)

Introduced on the S4810 and S4820T.

8.3.11.1Introduced on the Z9000.

8.3.1.0Introduced on the E-Series.

8.2.1.0Introduced on the C-Series and S-Series on Layer 2 interfaces.

7.8.1.0Introduced on the C-Series and S-Series on Layer 3 interfaces.

When enabled, no learning takes place until you enable snooping on a VLAN. After 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

Dynamic Host Configuration Protocol (DHCP)

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Dell 9.7(0.0) manual Ip dhcp snooping, No ip dhcp snooping, Introduced on the S4810 and S4820T