Dell PowerConnect 5548 User Guide - Page 568
DHCP Snooping Global Parameters, Table 19-2., CLI Commands, Description
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The following table summarizes the CLI commands for configuring DHCP snooping global parameters. Table 19-2. DHCP Snooping Global Parameters CLI Commands CLI Command Description ip dhcp snooping Globally enables DHCP snooping. no ip dhcp snooping Use the no form of this command to return to the default setting. ip dhcp snooping information option allowed-untrusted no ip dhcp snooping information option allowed-untrusted Allows a device to accept DHCP packets with option-82 information from an untrusted port. Use the no form of this command to return to the default setting. ip dhcp snooping verify no ip dhcp snooping verify Configures the switch to verify on an untrusted port that the source MAC address in a DHCP packet matches the client hardware address. Use the no form of this command to configure the switch to not verify the MAC addresses. ip dhcp snooping database no ip dhcp snooping database Configures the DHCP snooping binding file. Use the no form of this command to delete the binding file. ip dhcp snooping database update-freq seconds no ip dhcp snooping database update-freq Configures the update frequency of the DHCP snooping binding file. Use the no form of this command to return to default. show ip dhcp snooping Displays the DHCP snooping [[gigabitethernet|tengigabiteth configuration. ernet] port-number|port-channel LAG-number] 568 Dell PowerConnect 55xx Systems User Guide