HP 6120G/XG HP ProCurve Series 6120 Blade Switches Access Security Guide - Page 280
Enabling DHCP Snooping on VLANS, Example of Show DHCP Snooping Statistics
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Configuring Advanced Threat Protection DHCP Snooping ProCurve(config)# show dhcp-snooping stats Packet type Action Reason Count ----------server client server server client ------forward forward drop drop drop from trusted port 8 to trusted port 8 received on untrusted port 2 unauthorized server 0 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 8-2. 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 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 8-3. Example of DCHP Snooping on a VLAN 8-7