drops all packets by default的意思|示意
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缺省情况下,丢弃所有报文
drops all packets by default的网络常见释义
默认丢弃所有包 drops all packets by default (默认丢弃所有包) prevents IP spoofing based on port's mac address (compatible with allowed_address_pairs extension) (防 IP 欺骗) .