Configuring Traffic Snooping And Inspection (Cli); Configuring Dhcp Snooping - Dell PowerEdge M420 Configuration Manual

Configuring Traffic Snooping and Inspection (CLI)

This section provides information about the commands you use to configure
DHCP snooping, IPSG, and DAI settings on the switch. For more
information about the commands, see the
M6220/M6348/M8024/M8024-k CLI Reference Guide
support.dell.com/manuals.

Configuring DHCP Snooping

Beginning in Privileged EXEC mode, use the following commands to
configure and view DHCP snooping settings.
Command
configure
ip dhcp snooping
ip dhcp snooping verify
mac-address
ip dhcp snooping log-
invalid
ip dhcp snooping
binding mac-address
vlan vlan-id ip-address
interface interface
ip dhcp snooping
database {local |
hostIP/filename
tftp://
ip dhcp snooping
database write-delay
seconds
820
Snooping and Inspecting Traffic
Purpose
Enter global configuration mode.
Enable DHCP snooping on the switch.
Enable the verification of the source MAC address with
the client MAC address in the received DHCP message.
Enable the logging of DHCP messages filtered by the
DHCP Snooping application.
Configure a static binding in the DHCP snooping static
bindings database.
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.
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.
Configure the interval, in seconds, at which the DHCP
Snooping database will be stored in persistent storage. The
number of seconds can range from 15–86400.
PowerConnect
—The client's MAC address.
at