例子：
version 12.1no service padservice timestamps debug uptimeservice timestamps log uptimeno service password-encryptionservice compress-config!hostname C4-2_4506!enable password xxxxxxx!clock timezone GMT 8ip subnet-zerono ip do main-lookup!ip dhcp snooping vlan 180-181 // 对哪些VLAN 进行限制ip dhcp snoopingip arp inspection vlan 180-181ip arp inspection validate src-mac dst-mac iperrdisable recovery cause udlderrdisable recovery cause bpduguarderrdisable recovery cause security-violationerrdisable recovery cause channel-misconfigerrdisable recovery cause pagp-flaperrdisable recovery cause dtp-flaperrdisable recovery cause link-flaperrdisable recovery cause l2ptguarderrdisable recovery cause psecure-violationerrdisable recovery cause gbic-invaliderrdisable recovery cause dhcp-rate-limiterrdisable recovery cause unicast-flooderrdisable recovery cause vmpserrdisable recovery cause arp-inspectionerrdisable recovery interval 30spanning-tree extend system-id!!interface GigabitEthernet2/1 // 对该端口接入的用户进行限制，可以下联交换机ip arp inspection limit rate 100arp timeout 2ip dhcp snooping limit rate 100!interface GigabitEthernet2/2ip arp inspection limit rate 100arp timeout 2ip dhcp snooping limit rate 100!interface GigabitEthernet2/3ip arp inspection limit rate 100arp timeout 2ip dhcp snooping limit rate 100!interface GigabitEthernet2/4ip arp inspection limit rate 100arp timeout 2ip dhcp snooping limit rate 100--More--