{"id":91,"date":"2019-05-29T12:25:41","date_gmt":"2019-05-29T04:25:41","guid":{"rendered":"http:\/\/www.anthonylee.cn\/myblog\/?p=91"},"modified":"2019-05-29T12:25:41","modified_gmt":"2019-05-29T04:25:41","slug":"arp%e4%bb%a5%e5%8f%8aarp%e6%94%bb%e5%87%bb","status":"publish","type":"post","link":"http:\/\/www.anthonylee.cn\/myblog\/?p=91","title":{"rendered":"ARP\u4ee5\u53caARP\u653b\u51fb"},"content":{"rendered":"<p>\u5730\u5740\u89e3\u6790\u534f\u8bae\uff0c\u5373ARP\uff08Address Resolution Protocol\uff09\uff0c\u662f\u6839\u636eIP\u5730\u5740\u83b7\u53d6\u7269\u7406\u5730\u5740\u7684\u4e00\u4e2aTCP\/IP\u534f\u8bae\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u4e3b\u673a\u53d1\u9001\u4fe1\u606f\u65f6\u5c06\u5305\u542b\u76ee\u6807IP\u5730\u5740\u7684ARP\u8bf7\u6c42\u5e7f\u64ad\u5230\u7f51\u7edc\u4e0a\u7684\u6240\u6709\u4e3b\u673a\uff0c\u5e76\u63a5\u6536\u8fd4\u56de\u6d88\u606f\uff0c\u4ee5\u6b64\u786e\u5b9a\u76ee\u6807\u7684\u7269\u7406\u5730\u5740\uff1b\u6536\u5230\u8fd4\u56de\u6d88\u606f\u540e\u5c06\u8be5IP\u5730\u5740\u548c\u7269\u7406\u5730\u5740\u5b58\u5165\u672c\u673aARP\u7f13\u5b58\u4e2d\u5e76\u4fdd\u7559\u4e00\u5b9a\u65f6\u95f4\uff0c\u4e0b\u6b21\u8bf7\u6c42\u65f6\u76f4\u63a5\u67e5\u8be2ARP\u7f13\u5b58\u4ee5\u8282\u7ea6\u8d44\u6e90\u3002\u5730\u5740\u89e3\u6790\u534f\u8bae\u662f\u5efa\u7acb\u5728\u7f51\u7edc\u4e2d\u5404\u4e2a\u4e3b\u673a\u4e92\u76f8\u4fe1\u4efb\u7684\u57fa\u7840\u4e0a\u7684\uff0c\u7f51\u7edc\u4e0a\u7684\u4e3b\u673a\u53ef\u4ee5\u81ea\u4e3b\u53d1\u9001ARP\u5e94\u7b54\u6d88\u606f\uff0c\u5176\u4ed6\u4e3b\u673a\u6536\u5230\u5e94\u7b54\u62a5\u6587\u65f6\u4e0d\u4f1a\u68c0\u6d4b\u8be5\u62a5\u6587\u7684\u771f\u5b9e\u6027\u5c31\u4f1a\u5c06\u5176\u8bb0\u5165\u672c\u673aARP\u7f13\u5b58\uff1b\u7531\u6b64\u653b\u51fb\u8005\u5c31\u53ef\u4ee5\u5411\u67d0\u4e00\u4e3b\u673a\u53d1\u9001\u4f2aARP\u5e94\u7b54\u62a5\u6587\uff0c\u4f7f\u5176\u53d1\u9001\u7684\u4fe1\u606f\u65e0\u6cd5\u5230\u8fbe\u9884\u671f\u7684\u4e3b\u673a\u6216\u5230\u8fbe\u9519\u8bef\u7684\u4e3b\u673a\uff0c\u8fd9\u5c31\u6784\u6210\u4e86\u4e00\u4e2aARP\u6b3a\u9a97\u3002ARP\u547d\u4ee4\u53ef\u7528\u4e8e\u67e5\u8be2\u672c\u673aARP\u7f13\u5b58\u4e2dIP\u5730\u5740\u548cMAC\u5730\u5740\u7684\u5bf9\u5e94\u5173\u7cfb\u3001\u6dfb\u52a0\u6216\u5220\u9664\u9759\u6001\u5bf9\u5e94\u5173\u7cfb\u7b49\u3002\u76f8\u5173\u534f\u8bae\u6709RARP\u3001\u4ee3\u7406ARP\u3002NDP\u7528\u4e8e\u5728IPv6\u4e2d\u4ee3\u66ff\u5730\u5740\u89e3\u6790\u534f\u8bae\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<div class=\"para-title level-3\">\n<h3 class=\"title-text\">\u5de5\u4f5c\u8fc7\u7a0b<\/h3>\n<\/div>\n<div class=\"para\">\u4e3b\u673aA\u7684IP\u5730\u5740\u4e3a192.168.1.1\uff0cMAC\u5730\u5740\u4e3a0A-11-22-33-44-01\uff1b<\/div>\n<div class=\"para\">\u4e3b\u673aB\u7684IP\u5730\u5740\u4e3a192.168.1.2\uff0cMAC\u5730\u5740\u4e3a0A-11-22-33-44-02\uff1b<\/div>\n<div class=\"para\">\u5f53\u4e3b\u673aA\u8981\u4e0e\u4e3b\u673aB\u901a\u4fe1\u65f6\uff0c\u5730\u5740\u89e3\u6790\u534f\u8bae\u53ef\u4ee5\u5c06\u4e3b\u673aB\u7684IP\u5730\u5740\uff08192.168.1.2\uff09\u89e3\u6790\u6210\u4e3b\u673aB\u7684MAC\u5730\u5740\uff0c\u4ee5\u4e0b\u4e3a\u5de5\u4f5c\u6d41\u7a0b\uff1a<\/div>\n<div class=\"para\">\u7b2c1\u6b65\uff1a\u6839\u636e\u4e3b\u673aA\u4e0a\u7684\u8def\u7531\u8868\u5185\u5bb9\uff0cIP\u786e\u5b9a\u7528\u4e8e\u8bbf\u95ee\u4e3b\u673aB\u7684\u8f6c\u53d1IP\u5730\u5740\u662f192.168.1.2\u3002\u7136\u540eA\u4e3b\u673a\u5728\u81ea\u5df1\u7684\u672c\u5730ARP\u7f13\u5b58\u4e2d\u68c0\u67e5\u4e3b\u673aB\u7684\u5339\u914dMAC\u5730\u5740\u3002<\/div>\n<div class=\"para\">\u7b2c2\u6b65\uff1a\u5982\u679c\u4e3b\u673aA\u5728ARP\u7f13\u5b58\u4e2d\u6ca1\u6709\u627e\u5230\u6620\u5c04\uff0c\u5b83\u5c06\u8be2\u95ee192.168.1.2\u7684\u786c\u4ef6\u5730\u5740\uff0c\u4ece\u800c\u5c06ARP\u8bf7\u6c42\u5e27\u5e7f\u64ad\u5230\u672c\u5730\u7f51\u7edc\u4e0a\u7684\u6240\u6709\u4e3b\u673a\u3002\u6e90\u4e3b\u673aA\u7684IP\u5730\u5740\u548cMAC\u5730\u5740\u90fd\u5305\u62ec\u5728ARP\u8bf7\u6c42\u4e2d\u3002\u672c\u5730\u7f51\u7edc\u4e0a\u7684\u6bcf\u53f0\u4e3b\u673a\u90fd\u63a5\u6536\u5230ARP\u8bf7\u6c42\u5e76\u4e14\u68c0\u67e5\u662f\u5426\u4e0e\u81ea\u5df1\u7684IP\u5730\u5740\u5339\u914d\u3002\u5982\u679c\u4e3b\u673a\u53d1\u73b0\u8bf7\u6c42\u7684IP\u5730\u5740\u4e0e\u81ea\u5df1\u7684IP\u5730\u5740\u4e0d\u5339\u914d\uff0c\u5b83\u5c06\u4e22\u5f03ARP\u8bf7\u6c42\u3002<\/div>\n<div class=\"para\">\u7b2c3\u6b65\uff1a\u4e3b\u673aB\u786e\u5b9aARP\u8bf7\u6c42\u4e2d\u7684IP\u5730\u5740\u4e0e\u81ea\u5df1\u7684IP\u5730\u5740\u5339\u914d\uff0c\u5219\u5c06\u4e3b\u673aA\u7684IP\u5730\u5740\u548cMAC\u5730\u5740\u6620\u5c04\u6dfb\u52a0\u5230\u672c\u5730ARP\u7f13\u5b58\u4e2d\u3002<\/div>\n<div class=\"para\">\u7b2c4\u6b65\uff1a\u4e3b\u673aB\u5c06\u5305\u542b\u5176MAC\u5730\u5740\u7684ARP\u56de\u590d\u6d88\u606f\u76f4\u63a5\u53d1\u9001\u56de\u4e3b\u673aA\u3002<\/div>\n<div class=\"para\">\u7b2c5\u6b65\uff1a\u5f53\u4e3b\u673aA\u6536\u5230\u4ece\u4e3b\u673aB\u53d1\u6765\u7684ARP\u56de\u590d\u6d88\u606f\u65f6\uff0c\u4f1a\u7528\u4e3b\u673aB\u7684IP\u548cMAC\u5730\u5740\u6620\u5c04\u66f4\u65b0ARP\u7f13\u5b58\u3002\u672c\u673a\u7f13\u5b58\u662f\u6709\u751f\u5b58\u671f\u7684\uff0c\u751f\u5b58\u671f\u7ed3\u675f\u540e\uff0c\u5c06\u518d\u6b21\u91cd\u590d\u4e0a\u9762\u7684\u8fc7\u7a0b\u3002\u4e3b\u673aB\u7684MAC\u5730\u5740\u4e00\u65e6\u786e\u5b9a\uff0c\u4e3b\u673aA\u5c31\u80fd\u5411\u4e3b\u673aB\u53d1\u9001IP\u901a\u4fe1\u4e86\u3002<\/div>\n<div><\/div>\n<div><\/div>\n<div>\n<div class=\"para\">1) \u4ec0\u4e48\u662fARP\u6b3a\u9a97\uff1f<\/div>\n<div class=\"para\">\u5728\u5c40\u57df\u7f51\u4e2d\uff0c\u9ed1\u5ba2\u7ecf\u8fc7\u6536\u5230\u7684ARP Request\u5e7f\u64ad\u5305\uff0c\u80fd\u591f\u5077\u542c\u5230\u5176\u5b83\u8282\u70b9\u7684 (IP, MAC) \u5730\u5740, \u9ed1\u5ba2\u5c31\u4f2a\u88c5\u4e3aA\uff0c\u544a\u8bc9B (\u53d7\u5bb3\u8005) \u4e00\u4e2a\u5047\u5730\u5740\uff0c\u4f7f\u5f97B\u5728\u53d1\u9001\u7ed9A \u7684\u6570\u636e\u5305\u90fd\u88ab\u9ed1\u5ba2\u622a\u53d6\uff0c\u800cA, B \u6d51\u7136\u4e0d\u77e5\u3002<\/div>\n<div class=\"para\">2) \u4e3a\u4ec0\u4e48\u9ed1\u5ba2\u80fd\u591f\u8fdb\u884cARP\u6b3a\u9a97\uff1f ARP \u662f\u4e2a\u65e9\u671f\u7684\u7f51\u7edc\u534f\u8bae\uff0cRFC826\u5728 1980\u5c31\u51fa\u7248\u4e86\u3002\u65e9\u671f\u7684\u4e92\u8054\u7f51\u91c7\u53d6\u7684\u662f\u4fe1\u4efb\u6a21\u5f0f\uff0c\u5728\u79d1\u7814\u3001\u5927\u5b66\u5185\u90e8\u4f7f\u7528\uff0c\u8ffd\u6c42\u529f\u80fd\u3001\u901f\u5ea6\uff0c\u6ca1\u8003\u8651\u7f51\u7edc\u5b89\u5168\u3002\u5c24\u5176\u4ee5\u592a\u7f51\u7684\u6cdb\u6d2a\u7279\u70b9\uff0c\u80fd\u591f\u5f88\u65b9\u4fbf\u7684\u7528\u6765\u67e5\u8be2\u3002\u4f46\u8fd9\u4e5f\u4e3a\u65e5\u540e\u7684\u9ed1\u5ba2\u5f00\u4e86\u65b9\u4fbf\u4e4b\u95e8\u3002\u9ed1\u5ba2\u53ea\u8981\u5728\u5c40\u57df\u7f51\u5185\u9605\u8bfb\u9001\u4e0a\u95e8\u6765\u7684ARP Request\u5c31\u80fd\u5077\u542c\u5230\u7f51\u5185\u6240\u6709\u7684 (IP, MAC)\u5730\u5740\u3002\u800c\u8282\u70b9\u6536\u5230ARP Reply\u65f6\uff0c\u4e5f\u4e0d\u4f1a\u8d28\u7591\u3002\u9ed1\u5ba2\u5f88\u5bb9\u6613\u5192\u5145\u4ed6\u4eba\u3002<\/div>\n<div class=\"para\">3) \u80fd\u591f\u9632\u6b62\u6b3a\u9a97\u5417\uff1f \u4e0d\u80fd\u3002\u4f46\u8fd9\u79cd\u4f24\u5bb3\u7684\u4f24\u5bb3\u5df2\u7ecf\u5f88\u5c0f\u3002\u56e0\u4e3a\u5c40\u57df\u7f51\u7684\u5de5\u4f5c\u73af\u5883\u6709\u4e86\u6539\u53d8\uff0c \u670d\u52a1\u5668\u901a\u5e38\u4e0d\u4f1a\u548c\u7ec8\u7aef\u4e3b\u673a\u5728\u540c\u4e00\u4e2a\u5c40\u57df\u7f51\u3002<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u5730\u5740\u89e3\u6790\u534f\u8bae\uff0c\u5373ARP\uff08Address Resolution Protocol\uff09\uff0c\u662f\u6839\u636eIP\u5730\u5740\u83b7\u53d6&hellip; <a href=\"http:\/\/www.anthonylee.cn\/myblog\/?p=91\" class=\"more-link read-more\" rel=\"bookmark\">\u7ee7\u7eed\u9605\u8bfb <span class=\"screen-reader-text\">ARP\u4ee5\u53caARP\u653b\u51fb<\/span><i class=\"fa fa-arrow-right\"><\/i><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[],"_links":{"self":[{"href":"http:\/\/www.anthonylee.cn\/myblog\/index.php?rest_route=\/wp\/v2\/posts\/91"}],"collection":[{"href":"http:\/\/www.anthonylee.cn\/myblog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.anthonylee.cn\/myblog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.anthonylee.cn\/myblog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.anthonylee.cn\/myblog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=91"}],"version-history":[{"count":1,"href":"http:\/\/www.anthonylee.cn\/myblog\/index.php?rest_route=\/wp\/v2\/posts\/91\/revisions"}],"predecessor-version":[{"id":92,"href":"http:\/\/www.anthonylee.cn\/myblog\/index.php?rest_route=\/wp\/v2\/posts\/91\/revisions\/92"}],"wp:attachment":[{"href":"http:\/\/www.anthonylee.cn\/myblog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=91"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.anthonylee.cn\/myblog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=91"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.anthonylee.cn\/myblog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=91"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}