Chapter 26 DHCP Snooping
XMG1930 Series User’s Guide
221
C
HAPTER
26
DHCP Snooping
26.1 DHCP Snooping Overview
With DHCP snooping, the Switch can block a DHCP server on a snooped VLAN that comes from an
untrusted port in your network.
26.1.1 What You Can Do
• Use the
DHCP Snooping
screen (
) to look at various statistics about the DHCP
snooping database.
• Use this
DHCP Snooping Configure
screen (
) to enable DHCP snooping on
the Switch (not on specific VLAN), specify the VLAN where the default DHCP server is located, and
configure the DHCP snooping database.
• Use the
DHCP Snooping Port Configure
screen (
) to specify whether ports
are trusted or untrusted ports for DHCP snooping.
• Use the
DHCP Snooping VLAN Configure
) to enable DHCP
snooping on each VLAN and to specify whether or not the Switch adds DHCP relay agent option 82
information to DHCP requests that the Switch relays to a DHCP server for each VLAN.
• Use the
DHCP Snooping VLAN Port Configure
screen (
) to apply a different
DHCP option 82 profile to certain ports in a VLAN.
26.2 DHCP Snooping
Use this screen to look at various statistics about the DHCP snooping database.
To open this screen, click
Advanced Application
>
DHCP Snooping
.