HP ProCurve 2910al Access Security Manual page 393

option
client packets that are being forwarded out trusted ports.
The default is yes
trust
on trusted ports are forwarded. Default: untrusted.
verify
hardware address field and the source MAC address must
be the same for packets received on untrusted ports or the
packet is dropped. Default: Yes
vlan
must be enabled already. Default: No
To display the DHCP snooping configuration, enter this command:
ProCurve(config)# show dhcp-snooping
An example of the output is shown below.
ProCurve(config)# show dhcp-snooping
DHCP Snooping Information
DHCP Snooping
Enabled Vlans
Verify MAC
Option 82 untrusted policy : drop
Option 82 Insertion
Option 82 remote-id
Store lease database : Not configured
Port Trust
----- -----
B1 No
B2 No
Figure 10-1. An Example of the DHCP Snooping Command Output
To display statistics about the DHCP snooping process, enter this command:
ProCurve(config)# show dhcp-snooping stats
An example of the output is shown below.
Configuring Advanced Threat Protection
: Add relay information option (Option 82) to DHCP
add relay information.
,
: Configure trusted ports. Only server packets received
: Enables DHCP packet validation. The DHCP client
: Enable DHCP snooping on a vlan. DHCP snooping
: Yes
:
: Yes
: Yes
: mac
DHCP Snooping
10-5