198 | Dynamic Host Configuration Protocol (DHCP)w w w . d e l l . c o m | s u p p o r t . d e l l . c o m ParametersCommand Mode EXEC PrivilegeDefault Display DHCP lease information on all DHCP client-enabled interfaces on the switch.CommandHistoryCommands to Configure Secure DHCPDHCP as defined by RFC 2131 provides no authentication or security mechanisms. Secure DHCP is asuite of features that protects networks that use dynamic address allocation from spoofing and attacks.• arp inspection• arp inspection-trust• clear ip dhcp snooping• ip dhcp snooping• ip dhcp snooping database• ip dhcp snooping binding• ip dhcp snooping database renew• ip dhcp snooping trust• ip dhcp source-address-validation• ip dhcp snooping vlan• ip dhcp relay• ip dhcp snooping verify mac-address• show ip dhcp snoopingarp inspectionEnable dynamic ARP inspection (DAI) on a VLAN.Syntax arp inspectionCommand Modes INTERFACE VLANDefault DisabledCommandHistoryRelatedCommandsinterface type slot/portDisplay DHCP lease information on the specified interface.For a 10-GigabitEthernet Ethernet interface, enter TenGigabitEthernet followedby the slot/port numbers; for example, tengigabitethernet 1/3.For a 40-GigabitEthernet Ethernet interface, enter FortyGigabitEthernet followedby the slot/port numbers; for example, fortygigabitethernet 0/2.Version 8.3.16.1 Introduced on MXL 10/40GbE Switch IO ModuleVersion 8.3.16.1 Introduced on MXL 10/40GbE Switch IO Modulearp inspection-trust Specifies a port as trusted so that ARP frames are not validated againstthe binding table.
