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用户7673用户76732024年6月5日修改
（一）ARP计数：
范例:
PC:
192.168.1.3 mac: 84a9.3807.40cb
设备:
192.168.1.1 mac: 9c2b.a6dd.daeb
第一步：创建ACL
expert access-list extended test-up-in
10 permit arp host 9c2b.a6dd.daeb host 84a9.3807.40cb
100 permit etype-any any any
200 permit ip any any any any
300 permit arp any any
400 permit 0x86DD any any
!
expert access-list extended test-up-out
10 permit arp host 84a9.3807.40cb any
100 permit etype-any any any
200 permit ip any any any any
300 permit arp any any
400 permit 0x86DD any any
!
expert access-list extended test-down-in
10 permit arp host 84a9.3807.40cb any
100 permit etype-any any any
200 permit ip any any any any
300 permit arp any any
400 permit 0x86DD any any
!
expert access-list extended test-down-out
10 permit arp host 9c2b.a6dd.daeb host 84a9.3807.40cb
100 permit etype-any any any
200 permit ip any any any any
300 permit arp any any
400 permit 0x86DD any any
第二步：开启ACL计数
expert access-list counter test-up-in
!
expert access-list counter test-up-out
!
expert access-list counter test-down-out
!
expert access-list counter test-down-in
第三步：上下联口调用ACL：
【记住一定要检查ACL最后一条有没有permit ip any any 】
上联口：
expert access-group test-up-in in
expert access-group test-up-out out