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1. ʹÓÃtcpdumpÏÂÁî

tcpdumpÊÇÒ»¸öÇ¿Ê¢µÄÍøÂç°üÆÊÎö¹¤¾ß£¬¿ÉÒÔ×ÊÖúÎÒÃDz¶»ñºÍÆÊÎöÍøÂçÁ÷Á¿¡£ÏÂÃæÊÇʹÓÃtcpdump²éÕÒDHCP°üµÄÏÂÁîʾÀý£º

sudo tcpdump -i <interface> port 67 or port 68 -vv

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2. ʹÓÃdhcpdumpÏÂÁî

dhcpdumpÊÇÁíÒ»¸öÓÃÓÚÆÊÎöDHCP°üµÄ¹¤¾ß£¬¿ÉÒÔ¸üÖ±¹ÛµØÏÔʾDHCP½»»¥Àú³Ì¡£ÒÔÏÂÊÇʹÓÃdhcpdumpÀ´²éÕÒDHCP°üµÄʾÀýÏÂÁ

sudo dhcpdump -i <interface>

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3. ʹÓÃwireshark¹¤¾ß

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