arp access-list host1 配置ARP安全列表，允许哪些IP和MAC对应
permit ip host 10.98.19.y mac host 000d.602c.aaaa
permit ip host 10.98.19.x mac host 0016.d3b2.bbbb
interface GigabitEthernet1/0/1
ip arp inspection trust 上联口不检测
ip arp inspection vlan 19 VLAN 19上启用arp检测
ip arp inspection filter host1 vlan 19 static VLAN19上检测列表为host1
