Reference Guide

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.
1. Use the cam-acl l2acl command from CONFIGURATION mode.
2. Save the running-config to the startup-config.
3. Reload the system.
Dynamic Host Configuration Protocol (DHCP)
783