Service Manual

9.8(0.0) Introduced on the S3048-ON and S4048-ON.
9.0.2.0 Introduced on the S6000.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.3.7.0 Introduced on the S4810.
7.8.1.0 Introduced on the C-Series and S-Series.
ip dhcp snooping
Enable DHCP Snooping globally.
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 Dell Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version Description
9.8(0.0) Introduced on the S3048-ON and S4048-ON.
9.7(0.0) Introduced on the S6000–ON.
9.0.2.0 Introduced on the S6000.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.3.7.0 Introduced on the S4810.
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.
Syntax
[no] ip dhcp snooping binding mac address vlan-id vlan-id ip
ip-address interface type slot/port lease number
Security
1635