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show interface ethernet eth1.106 发现有丢包,经过tcpdump排查,怀疑是收到了来自0011-2233-4455的ether type为0x8847的干扰,从入口的地方禁止掉
acl number 4100 name "disable stp packets on a vpn port "
rule 100 deny type 0000 ffff
rule 200 deny dest-mac 0180-c200-0000 ffff-ffff-ffff
rule 300 deny type 8847 ffff
rule 400 deny source-mac 0011-2233-4455 ffff-ffff-ffff
interface giga1/0/6
packet-filter 4100 inbound
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