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Catalyst 3750-E and 3560-E Switch Cisco IOS ... - DNIP . NET

Catalyst 3750-E and 3560-E Switch Cisco IOS ... - DNIP . NET

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ip dhcp snoopingChapter 2<strong>Catalyst</strong> <strong>3750</strong>-E <strong>and</strong> <strong>3560</strong>-E <strong>Switch</strong> <strong>Cisco</strong> <strong>IOS</strong> Comm<strong>and</strong>sip dhcp snoopingUse the ip dhcp snooping global configuration comm<strong>and</strong> on the switch stack or on a st<strong>and</strong>alone switchto globally enable DHCP snooping. Use the no form of this comm<strong>and</strong> to return to the default setting.ip dhcp snoopingno ip dhcp snoopingSyntax DescriptionThis comm<strong>and</strong> has no arguments or keywords.DefaultsDHCP snooping is disabled.Comm<strong>and</strong> ModesGlobal configurationComm<strong>and</strong> HistoryRelease12.2(35)SE2ModificationThis comm<strong>and</strong> was introduced.Usage GuidelinesFor 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 vlanvlan-id global configuration comm<strong>and</strong>.ExamplesThis example shows how to enable DHCP snooping:<strong>Switch</strong>(config)# ip dhcp snoopingYou can verify your settings by entering the show ip dhcp snooping user EXEC comm<strong>and</strong>.Related Comm<strong>and</strong>sComm<strong>and</strong>ip dhcp snooping vlanshow ip dhcp snoopingshow ip dhcp snooping bindingDescriptionEnables DHCP snooping on a VLAN.Displays the DHCP snooping configuration.Displays the DHCP snooping binding information.2-232<strong>Catalyst</strong> <strong>3750</strong>-E <strong>and</strong> <strong>3560</strong>-E <strong>Switch</strong> Comm<strong>and</strong> ReferenceOL-9776-08

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