HP Cisco Catalyst Blade Switch 3020 Cisco Catalyst Blade Switch 3020 for HP Co - Page 130

ip dhcp snooping Chapter 2 Cisco Catalyst Blade Switch 3020 for HP Cisco IOS Commands ip dhcp snooping Use the ip dhcp snooping global configuration command to globally enable DHCP snooping. Use the no form of this command to return to the default setting. ip dhcp snooping no ip dhcp snooping Syntax Description This command has no arguments or keywords. Defaults DHCP snooping is disabled. Command Modes Global configuration Command History Release 12.2(25)SEF Modification This command was introduced. Usage Guidelines For any DHCP snooping configuration to take effect, you must globally enable DHCP snooping. DHCP snooping is not active until you enable snooping on a VLAN by using the ip dhcp snooping vlan vlan-id global configuration command. Examples This example shows how to enable DHCP snooping: Switch(config)# ip dhcp snooping You can verify your settings by entering the show ip dhcp snooping user EXEC command. Related Commands Command ip dhcp snooping vlan show ip dhcp snooping show ip dhcp snooping binding Description Enables DHCP snooping on a VLAN. Displays the DHCP snooping configuration. Displays the DHCP snooping binding information. 2-102 Cisco Catalyst Blade Switch 3020 for HP Command Reference OL-8916-01