Command Modes EXEC PrivilegeCommand History Version 8.3.11.1 Introduced on the Z9000.Version 8.2.1.0 Introduced on the C-Series and S-Series.Commands to Configure Secure DHCPDHCP, as defined by RFC 2131, provides no authentication or security mechanisms. Secure DHCP is a suite of featuresthat protects networks that use dynamic address allocation from spoofing and attacks.arp inspectionEnable dynamic arp inspection (DAI) on a VLAN.C-Series, E-Series, S-Series, Z-Series, S4810Syntax arp inspectionDefaults DisabledCommand Modes INTERFACE VLANCommand History Version 8.3.11.1 Introduced on the Z9000.Version 8.3.7.0 Introduced on the S4810.Version 8.3.1.0 Introduced on the E-Series.Version 8.2.1.0 Introduced on the C-Series and S-Series.RelatedCommandsarp inspection-trust – specifies a port as trusted so that ARP frames are not validated againstthe binding table.arp inspection-trustSpecify a port as trusted so that ARP frames are not validated against the binding table.C-Series, E-Series, S-Series, Z-Series, S4810Syntax arp inspection-trustDefaults DisabledCommand Modes • INTERFACE• INTERFACE PORT-CHANNELCommand History Version 8.3.11.1 Introduced on the Z9000.Version 8.3.7.0 Introduced on the S4810.599
