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Configuring Advanced Threat Protection

DHCP Snooping

ProCurve(config)# show dhcp-snooping stats

Packet type Action Reason Count

----------- ------- ---------------------------- --------

server forward from trusted port 8

client forward to trusted port 8

server drop received on untrusted port 2

server drop unauthorized server 0

client drop destination on untrusted port 0

client drop untrusted option 82 field 0

client drop bad DHCP release request 0

client drop failed verify MAC check 0

Figure 10-2. Example of Show DHCP Snooping Statistics

Enabling DHCP Snooping on VLANS

DHCP snooping on VLANs is disabled by default. To enable DHCP snooping

on a VLAN or range of VLANs enter this command:

ProCurve(config)# dhcp-snooping vlan <vlan-id-range>

You can also use this command in the vlan context, in which case you cannot

enter a range of VLANs for snooping.

Below is an example of DHCP snooping enabled on VLAN 4.

ProCurve(config)# dhcp-snooping vlan 4

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

Figure 10-3. Example of DCHP Snooping on a VLAN

10-6

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