Command Groups 39DHCP Snooping Commandsshow running-config Displays the contents of the currently runningconfiguration file.Privileged EXECshow startup-config Displays the startup configuration file contents. Privileged EXECshow bootvar Displays the active system image file that the deviceloads at startup.Privileged EXECCommand Group Description Access Modeip dhcp snooping Globally enables DHCP snooping GlobalConfigurationip dhcp snooping vlan Enables DHCP snooping on a VLAN. GlobalConfigurationip dhcp snooping trust Configures a port as trusted for DHCP snoopingpurposes.InterfaceConfigurationip dhcp snoopinginformation optionallowed-untrustedConfigures a switch to accept DHCP packets withoption-82 information from an untrusted port.GlobalConfigurationip dhcp snooping verify Configures a switch to accept DHCP packets withoption-82 information from an untrusted port.GlobalConfigurationip dhcp snoopingdatabaseConfigures the DHCP snooping binding file. GlobalConfigurationip dhcp snoopingdatabase update-freqConfigures the update frequency of the DHCPsnooping binding file.GlobalConfigurationip dhcp snooping binding Configures the update frequency of the DHCPsnooping binding file.Privileged EXECclear ip dhcp snoopingdatabaseClears the DHCP snooping binding database. Privileged EXECshow ip dhcp snooping Displays the DHCP snooping configuration. EXECshow ip dhcp snoopingbindingDisplays the DHCP snooping binding database andconfiguration information for all interfaces on aswitch.User EXECbook.book Page 39 Thursday, December 18, 2008 7:40 PM
