_ Setup
Step1 :Enable DHCP Snooping function same as case A
Step2: Enable ARP inspection on vlan
ZXR10(config)#vlan 100
ZXR10(config-vlan100)#ip arp inspection
ZXR10(config)#interface gei_1/1
ZXR10(config-gei_1/1)#ip arp inspection trust
ZXR10(config)#ip arp inspection validate dst-mac
ZXR10(config)#ip arp inspection validate ip
ZXR10(config)#ip arp inspection validate src-mac
D. IP source check Configuration Procedure
_ Topology