780 Snooping and Inspecting TrafficConfiguring Traffic Snooping and Inspection (CLI)This section provides information about the commands you use to configureDHCP snooping, IPSG, and DAI settings on the switch. For moreinformation about the commands, see thePowerConnect 8024/8024F CLIReference Guide at support.dell.com/manuals.Configuring DHCP SnoopingBeginning in Privileged EXEC mode, use the following commands toconfigure and view DHCP snooping settings.Command Purposeconfigure Enter global configuration mode.ip dhcp snooping Enable DHCP snooping on the switch.ip dhcp snooping verifymac-addressEnable the verification of the source MAC address withthe client MAC address in the received DHCP message.ip dhcp snooping log-invalidEnable the logging of DHCP messages filtered by theDHCP Snooping application.ip dhcp snoopingbinding mac-addressvlan vlan-id ip-addressinterface interfaceConfigure a static binding in the DHCP snooping staticbindings database.•mac-address—The client's MAC address.•vlan-id—The number of the VLAN the client isauthorized to use.•ip-address—The IP address of the client.•interface—The interface on which the client isauthorized. The form is unit/port.ip dhcp snoopingdatabase {local |tftp://hostIP/filename }Configure the persistent storage location of the DHCPsnooping database.•hostIP—The IP address of the remote host.•filename—The name of the file for the database on theremote host.ip dhcp snoopingdatabase write-delaysecondsConfigure the interval, in seconds, at which the DHCPSnooping database will be stored in persistent storage. Thenumber of seconds can range from 15–86400.
