Ip Dhcp Snooping - Dell Z9500 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
9.7(0.0)
Example
Dell# clear ipv6 dhcp snooping?
binding

ip dhcp snooping

Enable DHCP snooping globally.
Z9500
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
9.2(1.0)
9.2.(0.0)
8.3.11.1
8.3.1.0
8.2.1.0
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.
DHCP snooping supports Layer 3 using DHCP Relay Agent (ip helper-address)
and Layer 2. You do not have to enable relay agent to snoop on Layer 2 interfaces.
698
Description
Introduced on the S4810, S4820T, S6000 and Z-Series.
Clear the snooping binding database
Description
Introduced on the Z9500.
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)