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

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

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Chapter 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 arp inspection vlanip arp inspection vlanUse the ip arp inspection vlan global configuration comm<strong>and</strong> on the switch stack or on a st<strong>and</strong>aloneswitch to enable dynamic Address Resolution Protocol (ARP) inspection on a per-VLAN basis. Use theno form of this comm<strong>and</strong> to return to the default setting.ip arp inspection vlan vlan-rangeno ip arp inspection vlan vlan-rangeThis comm<strong>and</strong> is available only if your switch is running the IP services feature set.Syntax Descriptionvlan-rangeVLAN number or range.You can specify a single VLAN identified by VLAN ID number, a range ofVLANs separated by a hyphen, or a series of VLANs separated by a comma.The range is 1 to 4094.DefaultsARP inspection is disabled on all VLANs.Comm<strong>and</strong> ModesGlobal configurationComm<strong>and</strong> HistoryRelease12.2(35)SE2ModificationThis comm<strong>and</strong> was introduced.Usage GuidelinesYou must specify the VLANs on which to enable dynamic ARP inspection.Dynamic ARP inspection is supported on access ports, trunk ports, EtherChannel ports, or private VLANports.Examples This example shows how to enable dynamic ARP inspection on VLAN 1:<strong>Switch</strong>(config)# ip arp inspection vlan 1You can verify your setting by entering the show ip arp inspection vlan vlan-range privileged EXECcomm<strong>and</strong>.Related Comm<strong>and</strong>sComm<strong>and</strong>arp access-listshow inventory vlanvlan-rangeDescriptionDefines an ARP access control list (ACL).Displays the configuration <strong>and</strong> the operating state of dynamic ARPinspection for the specified VLAN.OL-9776-08<strong>Catalyst</strong> <strong>3750</strong>-E <strong>and</strong> <strong>3560</strong>-E <strong>Switch</strong> Comm<strong>and</strong> Reference2-225

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