Users Guide

Snooping and Inspecting Traffic 1079
Configuring Traffic Snooping and Inspection (CLI)
This section provides information about the commands used for configuring
DHCP snooping, IPSG, and DAI settings on the switch. For more
information about the commands, see the
Dell EMC Networking N1100-ON,
N1500, N2000, N2100-ON, N2200-ON, N3000E-ON, N3100-ON, and
N3200-ON Series Switches CLI Reference Guide
at www.dell.com/support.
Configuring DHCP Snooping
Use the following commands to configure and view DHCP snooping settings.
Command Purpose
configure Enter global configuration mode.
ip dhcp snooping Enable DHCP snooping on the switch.
ipv6 dhcp snooping Enable IPv6 DHCP snooping on the switch.
ip dhcp snooping verify
mac-address
Enable the verification of the source MAC address with
the client MAC address in the received DHCP message.
ip dhcp snooping log-
invalid
Enable the logging of DHCP messages filtered by the
DHCP Snooping application.
ip dhcp snooping
binding
mac-address
vlan vlan-id ip-address
interface interface
Configure a static binding in the DHCP snooping static
bindings database.
•
mac-address —The client's MAC address.
•
vlan-id —The number of the VLAN the client is
authorized to use.
•
ip-address —The IP address of the client.
•
interface —The interface on which the client is
authorized. The form is unit/port.
ip dhcp snooping
database {local |
tftp://
hostIP/filename }
Configure the persistent storage location of the DHCP
snooping database.
•
hostIP —The IP address of the remote host.
•
filename —The name of the file for the database on the
remote host.