Administrator Guide

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
9.9(0.0) Introduced on the C9010.
9.2(1.0) Introduced on the Z9500.
8.3.11.1 Introduced on the Z9000.
8.3.1.0 Introduced on the E-Series.
7.8.1.0 Introduced on the C-Series and S-Series.
Usage
Information
When enabled, the system begins creating entries in the binding table for the specified VLANs.
NOTE: Learning only happens if there is a trusted port in the VLAN.
Related
Commands
ip dhcp snooping trust — configures an interface as trusted.
ip dhcp source-address-validation
Enable the IP Source Guard.
C9000 Series
Syntax
[no] ip dhcp source-address-validation [ipmac | vlan vlan-id]
Parameters
ipmac Enable IP+MAC Source Address Validation.
vlan vlan-id Enable DHCP source address validation on VLAN. Enter the keyword vlan and the
VLAN identifier (ID). The range is from 1 to 4094.
Defaults Disabled
Command Modes
● INTERFACE
● INTERFACE PORT EXTENDER(conf-if-pegi-pe pe-id /stack-unit unit number / port-id)
Command
History
This guide is platform-specific. For command information about other platforms, see 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
9.9(0.0) Introduced on the C9010.
9.2(1.0) Introduced on the Z9500.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.3.7.0 Introduced on the S4810.
8.3.1.0 Introduced on the E-Series.
8.2.1.0 Added the keyword ipmac.
7.8.1.0 Introduced on the C-Series and S-Series.
Usage
Information
Allocate at least one FP block to ipmacacl before you can enable IP+MAC Source Address Validation.
Dynamic Host Configuration Protocol (DHCP) 645