{"id":63303,"date":"2025-04-29T08:52:36","date_gmt":"2025-04-29T00:52:36","guid":{"rendered":"https:\/\/fwq.ai\/blog\/63303\/"},"modified":"2025-04-29T08:52:36","modified_gmt":"2025-04-29T00:52:36","slug":"linux%e4%b8%ad%e6%9f%a5%e6%89%bedhcp%e5%8c%85%e7%9a%84%e6%9c%89%e6%95%88%e5%91%bd%e4%bb%a4%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/63303\/","title":{"rendered":"Linux\u4e2d\u67e5\u627eDHCP\u5305\u7684\u6709\u6548\u547d\u4ee4\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/887\/227\/171093060766393.jpg\" class=\"aligncenter\" title=\"Linux\u4e2d\u67e5\u627eDHCP\u5305\u7684\u6709\u6548\u547d\u4ee4\u662f\u4ec0\u4e48\uff1f\u63d2\u56fe\" alt=\"Linux\u4e2d\u67e5\u627eDHCP\u5305\u7684\u6709\u6548\u547d\u4ee4\u662f\u4ec0\u4e48\uff1f\u63d2\u56fe\" \/><\/p>\n<p>\u5728Linux\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528tcpdump\u547d\u4ee4\u6765\u67e5\u627eDHCP\u5305\u3002tcpdump\u662f\u4e00\u4e2a\u7f51\u7edc\u6293\u5305\u5de5\u5177\uff0c\u53ef\u4ee5\u7528\u6765\u622a\u53d6\u548c\u5206\u6790\u7f51\u7edc\u6570\u636e\u5305\u3002\u4e0b\u9762\u662f\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n<pre>sudo tcpdump -i &lt;network_interface&gt; port 67 or port 68 -vv&lt;\/network_interface&gt;<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u5176\u4e2d\uff0c  \u662f\u4f60\u8981\u76d1\u542c\u7684\u7f51\u7edc\u63a5\u53e3\uff0c\u53ef\u4ee5\u901a\u8fc7ifconfig\u547d\u4ee4\u6765\u67e5\u770b\u5f53\u524d\u7cfb\u7edf\u7684\u7f51\u7edc\u63a5\u53e3\u3002port 67\u548cport 68\u5206\u522b\u4ee3\u8868DHCP\u670d\u52a1\u5668\u548cDHCP\u5ba2\u6237\u7aef\u7684\u7aef\u53e3\u53f7\u3002 <\/p>\n<p>\u8fd0\u884c\u4e0a\u8ff0\u547d\u4ee4\u540e\uff0c\u4f60\u5c06\u4f1a\u770b\u5230\u6240\u6709\u7ecf\u8fc7\u7f51\u7edc\u63a5\u53e3\u7684DHCP\u5305\u6570\u636e\u3002\u53ef\u4ee5\u6839\u636e\u9700\u8981\u8fdb\u884c\u8fdb\u4e00\u6b65\u5206\u6790\u548c\u8c03\u8bd5\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fLinux\u4e2d\u67e5\u627eDHCP\u5305\u7684\u6709\u6548\u547d\u4ee4\u662f\u4ec0\u4e48\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8FDCServers\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728Linux\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528tcpdump\u547d\u4ee4\u6765\u67e5\u627eDHCP\u5305\u3002tcpdump\u662f\u4e00\u4e2a\u7f51\u7edc\u6293\u5305\u5de5\u5177\uff0c\u53ef\u4ee5\u7528\u6765\u622a\u53d6\u548c\u5206\u6790\u7f51\u7edc\u6570\u636e\u5305\u3002\u4e0b\u9762\u662f\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\uff1a sudo tcpdump -i &lt;network_interface&gt; port 67 or port 68 -vv&lt;\/network_interface&gt; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff0c \u662f\u4f60\u8981\u76d1\u542c\u7684\u7f51\u7edc\u63a5\u53e3\uff0c\u53ef\u4ee5\u901a\u8fc7ifconfig\u547d\u4ee4\u6765\u67e5\u770b\u5f53\u524d\u7cfb\u7edf\u7684\u7f51\u7edc\u63a5\u53e3\u3002port 67\u548cport 68\u5206\u522b\u4ee3\u8868DHCP\u670d\u52a1\u5668\u548cDHCP\u5ba2\u6237\u7aef\u7684\u7aef\u53e3\u53f7\u3002 \u8fd0\u884c\u4e0a\u8ff0\u547d\u4ee4\u540e\uff0c\u4f60\u5c06\u4f1a\u770b\u5230\u6240\u6709\u7ecf\u8fc7\u7f51\u7edc\u63a5\u53e3\u7684DHCP\u5305\u6570\u636e\u3002\u53ef\u4ee5\u6839\u636e\u9700\u8981\u8fdb\u884c\u8fdb\u4e00\u6b65\u5206\u6790\u548c\u8c03\u8bd5\u3002 \u4ee5\u4e0a\u5c31\u662fLinux\u4e2d\u67e5\u627eDHCP\u5305\u7684\u6709\u6548\u547d\u4ee4\u662f\u4ec0\u4e48\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8FDCServers\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-63303","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/63303","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=63303"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/63303\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=63303"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=63303"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=63303"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}