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Enhancements
Release R.11.12 Enhancements
ProCurve(config)# dhcp-snooping option 82 remote-id subnet-ip
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 : subnet-ip
Disabling the MAC Address Check
DHCP snooping drops DHCP packets received on untrusted ports when the check address (chaddr)
field in the DHCP header does not match the source MAC address of the packet (default behavior).
To disable this checking, use the no form of this command.
ProCurve(config)# dhcp-snooping verify mac
ProCurve(config)# dhcp-snooping verify mac
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 : subnet-ip
The DHCP Binding Database
DHCP snooping maintains a database of up to 8192 DHCP bindings on untrusted ports. Each binding
consists of:
■ Client MAC address