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Configuring Advanced Threat Protection

DHCP Snooping

Configuring DHCP Snooping Trusted Ports

By default, all ports are untrusted. To configure a port or range of ports as

trusted, enter this command:

ProCurve(config)# dhcp-snooping trust <port-list>

You can also use this command in the interface context, in which case you are

not able to enter a list of ports.

ProCurve(config)# dhcp-snooping trust B1-B2

ProCurve(config)# show dhcp-snooping

DHCP Snooping Information

DHCP Snooping : Yes

Enabled Vlans : 4

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 Yes

B2 Yes

B3 No

Figure 10-4. Example of Setting Trusted Ports

DHCP server packets are forwarded only if received on a trusted port; DHCP

server packets received on an untrusted port are dropped.

Use the no form of the command to remove the trusted configuration from a

port.

10-7

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