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Configuring Advanced Threat Protection
DHCP Snooping
option
: Add relay information option (Option 82) to DHCP
client packets that are being forwarded out trusted ports.
The default is
yes, add relay information.
trust
: Configure trusted ports. Only server packets received
on trusted ports are forwarded. Default: untrusted.
verify
: Enables DHCP packet validation. The DHCP client
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
: Enable DHCP snooping on a vlan. DHCP snooping
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 : Yes
Enabled Vlans :
Verify MAC : Yes
Option 82 untrusted policy : drop
Option 82 Insertion : Yes
Option 82 remote-id : mac
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.
10-5
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