Cisco WS-C3560E-48PD-SF Command Reference - Page 185

Chapter 2 Catalyst 3560 Switch Cisco IOS Commands ip dhcp snooping vlan ip dhcp snooping vlan Use the ip dhcp snooping vlan global configuration command to enable DHCP snooping on a VLAN. Use the no form of this command to return to the default setting. ip dhcp snooping vlan vlan-range no ip dhcp snooping vlan vlan-range Syntax Description vlan vlan-range Specify a VLAN ID or a range of VLANs on which to enable DHCP snooping. The range is 1 to 4094. You can enter a single VLAN ID identified by VLAN ID number, a series of VLAN IDs separated by commas, a range of VLAN IDs separated by hyphens, or a range of VLAN IDs separated by entering the starting and ending VLAN IDs separated by a space. Defaults DHCP snooping is disabled on all VLANs. Command Modes Global configuration Command History Release 12.1(19)EA1 Modification This command was introduced. Usage Guidelines You must first globally enable DHCP snooping before enabling DHCP snooping on a VLAN. Examples This example shows how to enable DHCP snooping on VLAN 10: Switch(config)# ip dhcp snooping vlan 10 You can verify your settings by entering the show ip dhcp snooping privileged EXEC command. Related Commands Command show ip dhcp snooping show ip dhcp snooping binding Description Displays the DHCP snooping configuration. Displays the DHCP snooping binding information. 78-16405-05 Catalyst 3560 Switch Command Reference 2-153