{"id":872,"date":"2014-04-06T16:54:04","date_gmt":"2014-04-06T08:54:04","guid":{"rendered":"http:\/\/coderbee.net\/?p=872"},"modified":"2014-05-03T23:04:35","modified_gmt":"2014-05-03T15:04:35","slug":"tcpip-%e5%8d%8f%e8%ae%ae%e8%af%a6%e8%a7%a3-%e7%ac%ac4%e7%ab%a0-arp%ef%bc%9a%e5%9c%b0%e5%9d%80%e8%a7%a3%e6%9e%90%e5%8d%8f%e8%ae%ae","status":"publish","type":"post","link":"https:\/\/coderbee.net\/index.php\/basis\/20140406\/872","title":{"rendered":"TCP\/IP \u534f\u8bae\u8be6\u89e3 \u7b2c4\u7ae0 ARP\uff1a\u5730\u5740\u89e3\u6790\u534f\u8bae"},"content":{"rendered":"<p>ARP\uff1a\u5730\u5740\u89e3\u6790\u534f\u8bae\uff0c\u662f\u4e00\u4e2a\u57fa\u7840\u534f\u8bae\uff0c\u5b83\u7684\u5141\u8bb8\u5bf9\u4e8e\u5e94\u7528\u7a0b\u5e8f\u548c\u7cfb\u7edf\u7ba1\u7406\u5458\u4e00\u822c\u662f\u900f\u660e\u7684\u3002<\/p>\n<h3>\u5f15\u8a00<\/h3>\n<p>\u5f53\u4e00\u53f0\u4e3b\u673a\u628a\u4ee5\u592a\u7f51\u6570\u636e\u5e27\u53d1\u9001\u5230\u4f4d\u4e8e\u540c\u4e00\u5c40\u57df\u7f51\u4e0a\u7684\u53e6\u4e00\u53f0\u4e3b\u673a\u65f6\uff0c\u662f\u6839\u636e48bit \u7684\u4ee5\u592a\u7f51\u5730\u5740\u6765\u786e\u5b9a\u76ee\u7684\u63a5\u53e3\u7684\u3002\u8bbe\u5907\u9a71\u52a8\u7a0b\u5e8f\u4ece\u4e0d\u68c0\u67e5IP\u6570\u636e\u62a5\u4e2d\u7684\u76ee\u7684IP\u5730\u5740\u3002<\/p>\n<p>\u5730\u5740\u89e3\u6790\u4e3a 32bit \u7684IP\u5730\u5740\u548c\u6570\u636e\u94fe\u8def\u5c42\u4f7f\u7528\u7684\u4efb\u4f55\u7c7b\u578b\u7684\u5730\u5740 \u63d0\u4f9b\u6620\u5c04\u3002ARP\u4e3aIP\u5730\u5740\u5230\u5bf9\u5e94\u7684\u786c\u4ef6\u5730\u5740\u4e4b\u95f4\u63d0\u4f9b\u52a8\u6001\u6620\u5c04\u3002<\/p>\n<h3>ARP\u5728TCP\/IP\u534f\u8bae\u65cf\u4e2d\u7684\u4f4d\u7f6e<\/h3>\n<p><img decoding=\"async\" src=\"\/\/coderbee.net\/wp-content\/uploads\/2014\/04\/apr-in-tcpip.png\" alt=\"apr-in-tcpip\"  \/><\/p>\n<p>ARP\u80cc\u540e\u7684\u4e00\u4e2a\u57fa\u672c\u6982\u5ff5\u662f\u7f51\u7edc\u63a5\u53e3\u6709\u4e00\u4e2a\u786c\u4ef6\u5730\u5740\u3002\u5728\u786c\u4ef6\u5c42\u6b21\u4e0a\u8fdb\u884c\u7684\u6570\u636e\u5e27\u4ea4\u6362\u5fc5\u987b\u6709\u6b63\u786e\u7684\u63a5\u53e3\u5730\u5740\u3002\u77e5\u9053\u4e3b\u673a\u7684IP\u5730\u5740\u5e76\u4e0d\u80fd\u8ba9\u5185\u6838\u53d1\u9001\u4e00\u5e27\u6570\u636e\u7ed9\u4e3b\u673a\uff0c\u5185\u6838\uff08\u5982\u4ee5\u592a\u7f51\u9a71\u52a8\u7a0b\u5e8f\uff09\u5fc5\u987b\u77e5\u9053\u76ee\u7684\u7aef\u7684\u786c\u4ef6\u5730\u5740\u624d\u80fd\u53d1\u9001\u6570\u636e\u3002<\/p>\n<p><!--more--><\/p>\n<h3>ARP \u9ad8\u901f\u7f13\u5b58<\/h3>\n<p>ARP\u9ad8\u6548\u8fd0\u884c\u7684\u5173\u952e\u662f\u7531\u4e8e\u6bcf\u4e2a\u4e3b\u673a\u4e0a\u90fd\u6709\u4e00\u4e2aARP\u9ad8\u901f\u7f13\u5b58\uff0c\u8fd9\u4e2a\u7f13\u5b58\u5b58\u653e\u4e86\u6700\u8fd1\u7684IP\u5730\u5740\u5230\u786c\u4ef6\u5730\u5740\u4e4b\u95f4\u7684\u6620\u5c04\u5173\u7cfb\uff0c\u7f13\u5b58\u4e2d\u6bcf\u4e00\u9879\u7684\u751f\u5b58\u65f6\u95f4\u4e00\u822c\u4e3a20\u5206\u949f\uff0c\u8d77\u59cb\u65f6\u95f4\u4ece\u88ab\u521b\u5efa\u65f6\u5f00\u59cb\u3002<\/p>\n<h3>ARP\u7684\u5206\u7ec4\u683c\u5f0f<\/h3>\n<p>ARP\u8bf7\u6c42\u548c\u5e94\u7b54\u5206\u7ec4\u7684\u683c\u5f0f\uff1a<br \/>\n<img decoding=\"async\" src=\"\/\/coderbee.net\/wp-content\/uploads\/2014\/04\/arp-frame.png\" alt=\"arp-frame\" \/><\/p>\n<ul>\n<li>\u524d\u4e24\u4e2a\u5b57\u6bb5\u662f\u4ee5\u592a\u7f51\u7684\u6e90\u5730\u5740\u548c\u76ee\u7684\u5730\u5740\u3002\u76ee\u7684\u5730\u5740\u4e3a\u5168 1 \u7684\u7279\u6b8a\u5730\u5740\u662f\u5e7f\u64ad\u5730\u5740\u3002\u7535\u7f06\u4e0a\u7684\u6240\u6709\u4ee5\u592a\u7f51\u63a5\u53e3\u90fd\u8981\u63a5\u6536\u5e7f\u64ad\u7684\u6570\u636e\u5e27\u3002<\/li>\n<li>\u4e24\u4e2a\u5b57\u8282\u957f\u7684\u4ee5\u592a\u7f51\u5e27\u7c7b\u578b\u8868\u793a\u540e\u9762\u6570\u636e\u7684\u7c7b\u578b\u3002\u5bf9\u4e8eARP\u8bf7\u6c42\u6216\u5e94\u7b54\u6765\u8bf4\uff0c\u8be5\u5b57\u6bb5\u7684\u503c\u4e3a 0x0806\u3002<\/li>\n<li>\u786c\u4ef6\u7c7b\u578b\u5b57\u6bb5\u8868\u793a\u786c\u4ef6\u5730\u5740\u7684\u7c7b\u578b\uff0c\u503c\u4e3a1\u5373\u8868\u793a\u4ee5\u592a\u7f51\u5730\u5740\u3002\u534f\u8bae\u7c7b\u578b\u5b57\u6bb5\u8868\u793a\u8981\u6620\u5c04\u7684\u534f\u8bae\u5730\u5740\u7c7b\u578b\uff0c\u503c\u4e3a 0x0800 \u8868\u793aIP\u5730\u5740\u3002<\/li>\n<li>\u786c\u4ef6\u5730\u5740\u957f\u5ea6\u548c\u534f\u8bae\u5730\u5740\u957f\u5ea6\u5206\u522b\u6307\u51fa\u786c\u4ef6\u5730\u5740\u548c\u534f\u8bae\u5730\u5740\u7684\u957f\u5ea6\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\u3002\u5bf9\u4e8e\u4ee5\u592a\u7f51\u4e0aIP\u5730\u5740\u7684ARP\u8bf7\u6c42\u6216\u5e94\u7b54\u6765\u8bf4\uff0c\u5b83\u4eec\u7684\u503c\u5206\u522b\u4e3a 6 \u6216 4\u3002<\/li>\n<li>\u64cd\u4f5c\u5b57\u6bb5\u6307\u51fa\u56db\u79cd\u64cd\u4f5c\u7c7b\u578b\uff1a ARP\u8bf7\u6c42\uff1a1\uff1bARP\u5e94\u7b54\uff1a2\uff1bRARP\u8bf7\u6c42\uff1a3\uff1bRARP\u5e94\u7b54\uff1a4\u3002\u8fd9\u4e2a\u5b57\u6bb5\u5fc5\u987b\uff0c\u56e0\u4e3aARP\u8bf7\u6c42\u548cARP\u5e94\u7b54\u7684\u5e27\u7c7b\u578b\u5b57\u6bb5\u503c\u662f\u76f8\u540c\u7684\u3002<\/li>\n<\/ul>\n<p>\u5bf9\u4e8e\u4e00\u4e2aARP\u8bf7\u6c42\u6765\u8bf4\uff0c\u9664\u76ee\u7684\u7aef\u786c\u4ef6\u5730\u5740\u5916\u7684\u6240\u6709\u5176\u4ed6\u7684\u5b57\u6bb5\u90fd\u6709\u586b\u5145\u503c\u3002\u5f53\u7cfb\u7edf\u6536\u5230\u4e00\u4efd\u76ee\u7684\u7aef\u4e3a\u672c\u673a\u7684ARP\u8bf7\u6c42\u62a5\u6587\u540e\uff0c\u5b83\u5c31\u628a\u5e94\u5c3d\u5730\u5740\u586b\u8fdb\u53bb\uff0c\u7136\u540e\u7528\u4e24\u4e2a\u76ee\u7684\u7aef\u5730\u5740\u5206\u522b\u66ff\u6362\u4e24\u4e2a\u53d1\u9001\u7aef\u5730\u5740\uff0c\u5e76\u628a\u64cd\u4f5c\u5b57\u6bb5\u7f6e\u4e3a2\uff0c\u6700\u540e\u628a\u5b83\u53d1\u9001\u56de\u53bb\u3002<\/p>\n<h3>ARP \u4ee3\u7406<\/h3>\n<p>\u5982\u679cARP\u8bf7\u6c42\u662f\u4ece\u4e00\u4e2a\u7f51\u7edc\u7684\u4e3b\u673a\u53d1\u5f80\u53e6\u4e00\u4e2a\u7f51\u7edc\u4e0a\u7684\u4e3b\u673a\uff0c\u90a3\u4e48\u8fde\u63a5\u8fd9\u4e24\u4e2a\u7f51\u7edc\u7684\u8def\u7531\u5668\u5c31\u53ef\u4ee5\u56de\u7b54\u8be5\u8bf7\u6c42\uff0c\u8fd9\u4e2a\u8fc7\u7a0b\u79f0\u4f5c\u59d4\u6258ARP\u6216ARP\u4ee3\u7406\uff08Proxy ARP\uff09\u3002\u8fd9\u6837\u53ef\u4ee5\u6b3a\u9a97\u53d1\u8d77ARP\u8bf7\u6c42\u7684\u53d1\u9001\u7aef\uff0c\u4f7f\u5b83\u8bef\u4ee5\u4e3a\u8def\u7531\u5668\u5c31\u662f\u76ee\u7684\u4e3b\u673a\uff0c\u800c\u4e8b\u5b9e\u4e0a\u76ee\u7684\u4e3b\u673a\u662f\u5728\u8def\u7531\u5668\u7684\u201c\u53e6\u4e00\u8fb9\u201d\u3002\u8def\u7531\u5668\u7684\u529f\u80fd\u76f8\u5f53\u4e8e\u76ee\u7684\u4e3b\u673a\u7684\u4ee3\u7406\uff0c\u628a\u5206\u7ec4\u4ece\u5176\u4ed6\u4e3b\u673a\u8f6c\u53d1\u7ed9\u5b83\u3002<\/p>\n<h3>\u514d\u8d39ARP<\/h3>\n<p>\u514d\u8d39ARP\uff08gratuitous ARP\uff09\uff0c\u5b83\u662f\u6307\u4e3b\u673a\u53d1\u9001ARP\u67e5\u627e\u81ea\u5df1\u7684IP\u5730\u5740\uff0c\u901a\u5e38\u53d1\u751f\u5728\u7cfb\u7edf\u5f15\u5bfc\u671f\u95f4\u8fdb\u884c\u63a5\u53e3\u914d\u7f6e\u7684\u65f6\u5019\u3002<\/p>\n<p>\u5bf9\u4e8e\u514d\u8d39ARP\u8bf7\u6c42\u4e2d\u7684\u5404\u5b57\u6bb5\u6765\u8bf4\uff0c\u53d1\u9001\u7aef\u7684\u534f\u8bae\u5730\u5740\u548c\u76ee\u7684\u7aef\u7684\u534f\u8bae\u5730\u5740\u662f\u4e00\u81f4\u7684\u3002<\/p>\n<p>\u514d\u8d39ARP\u4e00\u4e24\u4e2a\u4f5c\u7528\uff1a<\/p>\n<ul>\n<li>\u4e00\u4e2a\u4e3b\u673a\u53ef\u4ee5\u901a\u8fc7\u5b83\u6765\u786e\u5b9a\u53e6\u4e00\u4e2a\u4e3b\u673a\u662f\u5426\u8bbe\u7f6e\u4e86\u76f8\u540c\u7684IP\u5730\u5740\u3002<\/li>\n<li>\u5982\u679c\u53d1\u9001\u514d\u8d39ARP\u7684\u4e3b\u673a\u6b63\u597d\u6539\u53d8\u4e86\u786c\u4ef6\u5730\u5740\uff0c\u90a3\u4e48\u8fd9\u4e2a\u5206\u7ec4\u5c31\u53ef\u4ee5\u4f7f\u5176\u4ed6\u4e3b\u673a\u544a\u8bc9\u7f13\u5b58\u4e2d\u65e7\u7684\u786c\u4ef6\u5730\u5740\u8fdb\u884c\u76f8\u5e94\u7684\u66f4\u65b0\u3002<\/li>\n<\/ul>\n<h3>ARP\u547d\u4ee4<\/h3>\n<pre>\nARP -a [inet_addr] [-N if_addr] [-v]\n\n  -a            \u901a\u8fc7\u8be2\u95ee\u5f53\u524d\u534f\u8bae\u6570\u636e\uff0c\u663e\u793a\u5f53\u524d ARP \u9879\u3002\n                \u5982\u679c\u6307\u5b9a inet_addr\uff0c\u5219\u53ea\u663e\u793a\u6307\u5b9a\u8ba1\u7b97\u673a\n                \u7684 IP \u5730\u5740\u548c\u7269\u7406\u5730\u5740\u3002\u5982\u679c\u4e0d\u6b62\u4e00\u4e2a\u7f51\u7edc\n                \u63a5\u53e3\u4f7f\u7528 ARP\uff0c\u5219\u663e\u793a\u6bcf\u4e2a ARP \u8868\u7684\u9879\u3002\n  -g            \u4e0e -a \u76f8\u540c\u3002\n  -v            \u5728\u8be6\u7ec6\u6a21\u5f0f\u4e0b\u663e\u793a\u5f53\u524d ARP \u9879\u3002\u6240\u6709\u65e0\u6548\u9879\n                \u548c\u73af\u56de\u63a5\u53e3\u4e0a\u7684\u9879\u90fd\u5c06\u663e\u793a\u3002\n  inet_addr     \u6307\u5b9a Internet \u5730\u5740\u3002\n  -N if_addr    \u663e\u793a if_addr \u6307\u5b9a\u7684\u7f51\u7edc\u63a5\u53e3\u7684 ARP \u9879\u3002\n  -d            \u5220\u9664 inet_addr \u6307\u5b9a\u7684\u4e3b\u673a\u3002inet_addr \u53ef\n                \u4ee5\u662f\u901a\u914d\u7b26 *\uff0c\u4ee5\u5220\u9664\u6240\u6709\u4e3b\u673a\u3002\n  -s            \u6dfb\u52a0\u4e3b\u673a\u5e76\u4e14\u5c06 Internet \u5730\u5740 inet_addr\n                \u4e0e\u7269\u7406\u5730\u5740 eth_addr \u76f8\u5173\u8054\u3002\u7269\u7406\u5730\u5740\u662f\u7528\n                \u8fde\u5b57\u7b26\u5206\u9694\u7684 6 \u4e2a\u5341\u516d\u8fdb\u5236\u5b57\u8282\u3002\u8be5\u9879\u662f\u6c38\u4e45\u7684\u3002\n  eth_addr      \u6307\u5b9a\u7269\u7406\u5730\u5740\u3002\n  if_addr       \u5982\u679c\u5b58\u5728\uff0c\u6b64\u9879\u6307\u5b9a\u5730\u5740\u8f6c\u6362\u8868\u5e94\u4fee\u6539\u7684\u63a5\u53e3\n                \u7684 Internet \u5730\u5740\u3002\u5982\u679c\u4e0d\u5b58\u5728\uff0c\u5219\u4f7f\u7528\u7b2c\u4e00\n                \u4e2a\u9002\u7528\u7684\u63a5\u53e3\u3002\n\u793a\u4f8b:\n  > arp -s 157.55.85.212   00-aa-00-62-c6-09.... \u6dfb\u52a0\u9759\u6001\u9879\u3002\n  > arp -a                                  .... \u663e\u793a ARP \u8868\u3002\n<\/pre>\n<hr\/>\n<p>\u6b22\u8fce\u5173\u6ce8\u6211\u7684\u5fae\u4fe1\u516c\u4f17\u53f7: <strong>coderbee\u7b14\u8bb0<\/strong>\uff0c\u53ef\u4ee5\u66f4\u53ca\u65f6\u56de\u590d\u4f60\u7684\u8ba8\u8bba\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"258\" height=\"258\" src=\"https:\/\/coderbee.net\/wp-content\/uploads\/2019\/01\/coderbee-note.jpg\" class=\"alignnone size-full wp-image-1707\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>ARP\uff1a\u5730\u5740\u89e3\u6790\u534f\u8bae\uff0c\u662f\u4e00\u4e2a\u57fa\u7840\u534f\u8bae\uff0c\u5b83\u7684\u5141\u8bb8\u5bf9\u4e8e\u5e94\u7528\u7a0b\u5e8f\u548c\u7cfb\u7edf\u7ba1\u7406\u5458\u4e00\u822c\u662f\u900f\u660e &hellip; <a href=\"https:\/\/coderbee.net\/index.php\/basis\/20140406\/872\">\u7ee7\u7eed\u9605\u8bfb <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[83],"tags":[161,153],"_links":{"self":[{"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/posts\/872"}],"collection":[{"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/comments?post=872"}],"version-history":[{"count":6,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/posts\/872\/revisions"}],"predecessor-version":[{"id":912,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/posts\/872\/revisions\/912"}],"wp:attachment":[{"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/media?parent=872"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/categories?post=872"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/tags?post=872"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}