Enabling Dhcp Snooping On Vlans; Configuring Dhcp Snooping Trusted Ports - HP ProCurve J8766A Release Note

Enhancements
Release L.10.09 Enhancements

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
Enabled Vlans
Verify MAC
Option 82 untrusted policy : drop
Option 82 Insertion
Option 82 remote-id
Figure 12. Example of DCHP Snooping on a VLAN

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.
36
: Yes
: 4
: Yes
: Yes
: mac