Specifications

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Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.3.0XO(15.1(1)XO)
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Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches
ip arp inspection trust
ip arp inspecti on trust
To set a per-port configurable trust state that determines the set of interfaces where incoming ARP
packets are inspected, use the ip arp inspection trust command. To make the interfaces untrusted, use
the no form of this command.
ip arp inspection trust
no ip arp inspection trust
Syntax Description This command has no arguments or keywo rds.
Defaults T his command has no default settings.
Command Modes Interface configuration mode
Examples This example shows how to configure an interface to be trusted:
Switch# config terminal
Switch(config)# interface fastEthernet 6/3
Switch(config-if)# ip arp inspection trust
Switch(config-if)# end
To verify the configuration, use the show f orm of this command:
Switch# show ip arp inspection interfaces fastEthernet 6/3
Interface Trust State Rate (pps) Burst Interval
--------------- ----------- ---------- --------------
Fa6/3 Trusted None 1
Switch#
Related Commands Command Description
show ip arp inspection Displays the status of dynamic ARP inspection for a
specific range of VLANs.