{"id":337,"date":"2020-12-20T20:38:21","date_gmt":"2020-12-20T12:38:21","guid":{"rendered":"http:\/\/blog.cyasylum.top\/?p=337"},"modified":"2021-01-18T20:51:28","modified_gmt":"2021-01-18T12:51:28","slug":"%e8%ae%a1%e7%ae%97%e6%9c%ba%e7%bd%91%e7%bb%9c-%e7%bd%91%e7%bb%9c%e5%b1%82","status":"publish","type":"post","link":"http:\/\/blog.cyasylum.top\/index.php\/2020\/12\/20\/%e8%ae%a1%e7%ae%97%e6%9c%ba%e7%bd%91%e7%bb%9c-%e7%bd%91%e7%bb%9c%e5%b1%82\/","title":{"rendered":"\u8ba1\u7b97\u673a\u7f51\u7edc-\u7f51\u7edc\u5c42"},"content":{"rendered":"<div class=\"tc-tiddler-body tc-reveal\">\u628a\u5206\u7ec4\u4ece\u6e90\u7aef\u4f20\u5230\u76ee\u7684\u7aef\uff0c\u4e3a\u5206\u7ec4\u4ea4\u6362\u7f51\u4e0a\u4e3b\u673a\u63d0\u4f9b\u901a\u4fe1\u670d\u52a1\u3002\u4f20\u8f93\u5355\u4f4d\u4e3a\u6570\u636e\u62a5<\/p>\n<p>\u529f\u80fd\uff1a<\/p>\n<ul>\n<li>\u8def\u7531\u9009\u62e9\u548c\u5206\u7ec4\u8f6c\u53d1\uff08\u5bfb\u627e\u6700\u4f73\u8def\u5f84\uff09<\/li>\n<li>\u5f02\u6784\u7f51\u7edc\u4e92\u8054<\/li>\n<li>\u62e5\u585e\u63a7\u5236\uff08\u5f00\u73af\u63a7\u5236\/\u95ed\u73af\u63a7\u5236\uff09<\/li>\n<\/ul>\n<h1 class=\"\">\u6570\u636e\u4ea4\u6362\u65b9\u5f0f<\/h1>\n<p><img decoding=\"async\" src=\"http:\/\/kodo.cyasylum.top\/2020\/12\/17\/6a10a88e2c21b.png\"><\/p>\n<h2 class=\"\">\u7535\u8def\u4ea4\u6362<\/h2>\n<ul>\n<li>\u5efa\u7acb\u8fde\u63a5<\/li>\n<li>\u8fdb\u884c\u901a\u4fe1<\/li>\n<li>\u91ca\u653e\u8fde\u63a5<\/li>\n<\/ul>\n<p>\u7535\u8def\u4ea4\u6362\u5efa\u7acb\u7269\u7406\u8def\u5f84\uff0c\u5b8c\u5168\u72ec\u5360\u8d44\u6e90<\/p>\n<ul>\n<li>\u4f18\u70b9\n<ul>\n<li>\u901a\u4fe1\u65f6\u5ef6\u5c0f<\/li>\n<li>\u6709\u5e8f\u4f20\u8f93<\/li>\n<li>\u6ca1\u6709\u51b2\u7a81<\/li>\n<li>\u5b9e\u65f6\u6027\u5f3a<\/li>\n<\/ul>\n<\/li>\n<li>\u7f3a\u70b9\n<ul>\n<li>\u5efa\u7acb\u8fde\u63a5\u65f6\u95f4\u957f<\/li>\n<li>\u7ebf\u8def\u72ec\u5360\uff0c\u4f7f\u7528\u6548\u7387\u4f4e<\/li>\n<li>\u7075\u6d3b\u6027\u5dee<\/li>\n<li>\u65e0\u5dee\u9519\u63a7\u5236\u80fd\u529b\uff08\u4ea4\u6362\u8bbe\u5907\uff09<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2 class=\"\">\u62a5\u6587\u4ea4\u6362<\/h2>\n<p>\u62a5\u6587\u4e3a\u6e90\u5e94\u7528\u53d1\u9001\u7684\u4fe1\u606f\u6574\u4f53<\/p>\n<p>\u4ea4\u6362\u8bbe\u5907\u5b58\u50a8\u62a5\u6587\uff0c\u7b49\u5f85\u94fe\u8def\u7a7a\u95f2\u968f\u673a\u8f6c\u53d1<\/p>\n<ul>\n<li>\u4f18\u70b9\n<ul>\n<li>\u65e0\u9700\u5efa\u7acb\u8fde\u63a5<\/li>\n<li>\u5b58\u50a8\u8f6c\u53d1\u52a8\u6001\u5206\u914d<\/li>\n<li>\u7ebf\u8def\u53ef\u9760\u6027\u9ad8<\/li>\n<li>\u7ebf\u8def\u5229\u7528\u7387\u9ad8<\/li>\n<li>\u591a\u76ee\u6807\u670d\u52a1<\/li>\n<\/ul>\n<\/li>\n<li>\u7f3a\u70b9\n<ul>\n<li>\u6709\u5b58\u50a8\u8f6c\u53d1\u65f6\u5ef6<\/li>\n<li>\u62a5\u6587\u5927\u5c0f\u4e0d\u5b9a\uff0c\u9700\u8981\u5185\u5b58<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2 class=\"\">\u5206\u7ec4\u4ea4\u6362<\/h2>\n<p>\u8ddf\u62a5\u6587\u4ea4\u6362\u76f8\u4f3c\uff0c\u62a5\u6587\u5207\u5272\u5206\u7ec4\u7247\u6bb5\u8fdb\u884c\u53d1\u9001<\/p>\n<ul>\n<li>\u4f18\u70b9\n<ul>\n<li>\u65e0\u9700\u5efa\u7acb\u8fde\u63a5<\/li>\n<li>\u5b58\u50a8\u8f6c\u53d1\uff0c\u52a8\u6001\u5206\u914d<\/li>\n<li>\u7ebf\u8def\u53ef\u9760\u6027\u9ad8<\/li>\n<li>\u7ebf\u8def\u5229\u7528\u7387\u9ad8<\/li>\n<li>\u5b58\u50a8\u7ba1\u7406\u5bb9\u6613\uff08\u76f8\u5bf9\u62a5\u6587\uff09<\/li>\n<\/ul>\n<\/li>\n<li>\u7f3a\u7535\n<ul>\n<li>\u5b58\u5728\u5b58\u50a8\u8f6c\u53d1\u65f6\u5ef6<\/li>\n<li>\u9700\u8981\u4f20\u8f93\u989d\u5916\u4fe1\u606f<\/li>\n<li>\u4e71\u5e8f\u5230\u8fbe\u65f6\u9700\u8981\u6392\u5e8f\u5206\u7ec4<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<table>\n<tbody>\n<tr class=\"evenRow\">\n<th>\u5c42\u6b21<\/th>\n<th>\u4f20\u8f93\u5355\u5143<\/th>\n<\/tr>\n<tr class=\"oddRow\">\n<td>\u5e94\u7528\u5c42<\/td>\n<td>\u62a5\u6587<\/td>\n<\/tr>\n<tr class=\"evenRow\">\n<td>\u4f20\u8f93\u5c42<\/td>\n<td>\u62a5\u6587\u6bb5<\/td>\n<\/tr>\n<tr class=\"oddRow\">\n<td>\u7f51\u7edc\u5c42<\/td>\n<td>IP\u6570\u636e\u62a5\uff0c\u5206\u7ec4<\/td>\n<\/tr>\n<tr class=\"evenRow\">\n<td>\u6570\u636e\u94fe\u8def\u5c42<\/td>\n<td>\u5e27<\/td>\n<\/tr>\n<tr class=\"oddRow\">\n<td>\u7269\u7406\u5c42<\/td>\n<td>\u6bd4\u7279\u6d41<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3 class=\"\">\u6570\u636e\u62a5\u65b9\u5f0f<\/h3>\n<p>\u4e3a\u7f51\u7edc\u5c42\u63d0\u4f9b\u65e0\u8fde\u63a5\u670d\u52a1\uff0c\u4e0d\u9884\u5148\u786e\u5b9a\u4f20\u8f93\u8def\u5f84\uff0c\u4e0d\u540c\u5206\u7ec4\u8def\u5f84\u53ef\u80fd\u4e0d\u540c<\/p>\n<p>\u56e0\u7279\u7f51\u4f7f\u7528\u6570\u636e\u62a5\u65b9\u5f0f\uff0c\u8def\u7531\u5668\u6839\u636e\u5206\u7ec4\u76ee\u7684\u5730\u5740\u8f6c\u53d1\u5206\u7ec4\uff0c\u57fa\u4e8e\u8def\u7531\u534f\u8bae\u548c\u7b97\u6cd5\u6784\u5efa\u8f6c\u53d1\u8868\u5e76\u68c0\u7d22\uff0c\u6bcf\u4e2a\u5206\u7ec4\u72ec\u7acb\u9009\u8def\uff08\u82e5\u627e\u4e0d\u5230\u5219\u8f6c\u53d1\u81f3\u9ed8\u8ba4\u7aef\u53e3\uff09<\/p>\n<h3 class=\"\">\u865a\u7535\u8def\u65b9\u5f0f<\/h3>\n<p>\u4e3a\u7f51\u7edc\u5c42\u63d0\u4f9b\u6709\u8fde\u63a5\u670d\u52a1\uff0c\u9996\u5148\u786e\u5b9a\u4f20\u8f93\u8def\u5f84\uff0c\u7136\u540e\u6cbf\u8def\u5f84\u4f20\u8f93\u5206\u7ec4\uff0c\u4f20\u8f93\u5b8c\u6210\u62c6\u9664\u8fde\u63a5<\/p>\n<p>\u5efa\u7acb\u8fde\u63a5\uff0c\u6bcf\u4e2a\u5206\u7ec4\u643a\u5e26\u865a\u7535\u8def\u53f7\uff0c\u800c\u975e\u81ea\u7531\u5730\u5740\u3002\u6e90\u4e3b\u673a\u53d1\u9001\u547c\u53eb\u8bf7\u6c42\u5e76\u6536\u5230\u547c\u53eb\u5e94\u7b54\u540e\u5efa\u7acb\u865a\u7535\u8def\u8fde\u63a5\u3002\u53ef\u4ee5\u5728\u56fa\u5b9a\u7ebf\u8def\u4e0a\u5168\u53cc\u5de5\u901a\u4fe1\u3002\u6e90\u4e3b\u673a\u53d1\u9001\u91ca\u653e\u8bf7\u6c42\u5206\u7ec4\u4ee5\u62c6\u9664\u865a\u7535\u8def<\/p>\n<h3 class=\"\">\u6570\u636e\u62a5\u6bd4\u8f83\u865a\u7535\u8def<\/h3>\n<table>\n<tbody>\n<tr class=\"evenRow\">\n<td><\/td>\n<th>\u6570\u636e\u62a5\u670d\u52a1<\/th>\n<th>\u865a\u7535\u8def\u670d\u52a1<\/th>\n<\/tr>\n<tr class=\"oddRow\">\n<th>\u8fde\u63a5\u7684\u5efa\u7acb<\/th>\n<td>\u4e0d\u8981<\/td>\n<td>\u5fc5\u987b\u6709<\/td>\n<\/tr>\n<tr class=\"evenRow\">\n<th>\u76ee\u7684\u5730\u5740<\/th>\n<td>\u6bcf\u4e2a\u5206\u7ec4\u90fd\u6709\u5b8c\u6574\u7684\u76ee\u7684\u5730\u5740<\/td>\n<td>\u4ec5\u5728\u5efa\u7acb\u8fde\u63a5\u9636\u6bb5\u4f7f\u7528\uff0c\u4e4b\u540e\u6bcf\u4e2a\u5206\u7ec4\u4f7f\u7528\u957f\u5ea6\u8f83\u77ed\u7684\u865a\u7535\u8def\u53f7<\/td>\n<\/tr>\n<tr class=\"oddRow\">\n<th>\u8def\u7531\u9009\u62e9<\/th>\n<td>\u6bcf\u4e2a\u5206\u7ec4\u72ec\u7acb\u5730\u8fdb\u884c\u8def\u7531\u9009\u62e9\u548c\u8f6c\u53d1<\/td>\n<td>\u5c5e\u4e8e\u540c\u4e00\u6761\u865a\u7535\u8def\u7684\u5206\u7ec4\u6309\u7167\u540c\u4e00\u8def\u7531\u8f6c\u53d1<\/td>\n<\/tr>\n<tr class=\"evenRow\">\n<th>\u5206\u7ec4\u987a\u5e8f<\/th>\n<td>\u4e0d\u4fdd\u8bc1\u5206\u7ec4\u7684\u6709\u5e8f\u5230\u8fbe<\/td>\n<td>\u4fdd\u8bc1\u5206\u7ec4\u7684\u6709\u5e8f\u5230\u8fbe<\/td>\n<\/tr>\n<tr class=\"oddRow\">\n<th>\u53ef\u9760\u6027<\/th>\n<td>\u4e0d\u4fdd\u8bc1\u53ef\u9760\u901a\u4fe1\uff0c\u53ef\u9760\u6027\u7531\u7528\u6237\u4e3b\u673a\u6765\u4fdd\u8bc1<\/td>\n<td>\u53ef\u9760\u6027\u7531\u7f51\u7edc\u4fdd\u8bc1<\/td>\n<\/tr>\n<tr class=\"evenRow\">\n<th>\u5bf9\u7f51\u7edc\u6545\u969c\u7684\u9002\u5e94\u6027<\/th>\n<td>\u51fa\u6545\u969c\u7684\u7ed3\u70b9\u4e22\u5931\u5206\u7ec4\uff0c\u5176\u4ed6\u5206\u7ec4\u8def\u5f84\u9009\u62e9\u53d1\u751f\u53d8\u5316\uff0c\u53ef\u6b63\u5e38\u4f20\u8f93<\/td>\n<td>\u6240\u6709\u7ecf\u8fc7\u6545\u969c\u7ed3\u70b9\u7684\u865a\u7535\u8def\u5747\u4e0d\u80fd\u6b63\u5e38\u5de5\u4f5c<\/td>\n<\/tr>\n<tr class=\"oddRow\">\n<th>\u5dee\u9519\u5904\u7406\u548c\u6d41\u91cf\u63a7\u5236<\/th>\n<td>\u7531\u7528\u6237\u4e3b\u673a\u8fdb\u884c\u6d41\u91cf\u63a7\u5236\uff0c\u4e0d\u4fdd\u8bc1\u6570\u636e\u62a5\u7684\u53ef\u9760\u6027<\/td>\n<td>\u53ef\u7531\u5206\u7ec4\u4ea4\u6362\u7f51\u8d1f\u8d23\uff0c\u4e5f\u53ef\u7531\u7528\u6237\u4e3b\u673a\u8d1f\u8d23<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ol>\n<li>\u62a5\u6587\u4ea4\u6362\u548c\u5206\u7ec4\u4ea4\u6362\u90fd\u91c7\u7528\u5b58\u50a8\u8f6c\u53d1\u3002<\/li>\n<li>\u4f20\u9001\u6570\u636e\u91cf\u5927\uff0c\u4e14\u4f20\u9001\u65f6\u95f4\u8fdc\u5927\u4e8e\u547c\u53eb\u65f6\uff0c\u9009\u62e9\u7535\u8def\u4ea4\u6362\u3002\u7535\u8def\u4ea4\u6362\u4f20\u8f93\u65f6\u5ef6\u6700\u5c0f\u3002<\/li>\n<li>\u4ece\u4fe1\u9053\u5229\u7528\u7387\u770b\uff0c\u62a5\u6587\u4ea4\u6362\u548c\u5206\u7ec4\u4ea4\u6362\u4f18\u4e8e\u7535\u8def\u4ea4\u6362\uff0c\u5176\u4e2d\u5206\u7ec4\u4ea4\u6362\u65f6\u5ef6\u66f4\u5c0f\u3002<\/li>\n<\/ol>\n<h1 class=\"\">\u7f51\u7edc\u5c42\u534f\u8bae<\/h1>\n<h2 class=\"\">IP\u534f\u8bae<\/h2>\n<h3 class=\"\">IP\u6570\u636e\u62a5\u683c\u5f0f<\/h3>\n<p>\u9996\u90e8+\u6570\u636e\u90e8\u5206\uff08TCP\/UDP\u6bb5\uff09<\/p>\n<table>\n<tbody>\n<tr class=\"evenRow\">\n<th align=\"center\">\u540d\u79f0<\/th>\n<th align=\"center\">\u6ce8\u91ca<\/th>\n<th align=\"center\">\u5927\u5c0f<\/th>\n<\/tr>\n<tr class=\"oddRow\">\n<td align=\"center\">\u7248\u672c Version<\/td>\n<td align=\"center\">ipv4\u6216\u8005ipv6<\/td>\n<td align=\"center\">4\u4f4d<\/td>\n<\/tr>\n<tr class=\"evenRow\">\n<td align=\"center\">\u9996\u90e8\u957f\u5ea6 IHL<\/td>\n<td align=\"center\">\u6b64\u5904\u6570\u503c\u518d\u4e58\u4ee54\u624d\u662f\u771f\u6b63\u5927\u5c0f\uff0c\u540c\u65f6\u56e0\u4e3aIP\u6570\u636e\u62a5\u56fa\u5b9a\u957f\u5ea6\u4e3a20\u5b57\u8282\uff0c\u6240\u4ee5\u6b64\u5904\u6700\u5c0f\u503c\u4e3a5\uff0c\u5373\u4e8c\u8fdb\u5236\u76840101<\/td>\n<td align=\"center\">4\u4f4d<\/td>\n<\/tr>\n<tr class=\"oddRow\">\n<td align=\"center\">\u533a\u5206\u670d\u52a1 DSCP + ECN<\/td>\n<td align=\"center\">\u5e0c\u671b\u83b7\u5f97\u54ea\u79cd\u670d\u52a1\uff0c\u7528\u7684\u6bd4\u8f83\u5c11<\/td>\n<td align=\"center\">8\u4f4d<\/td>\n<\/tr>\n<tr class=\"evenRow\">\n<td align=\"center\">\u603b\u957f\u5ea6 Total Length<\/td>\n<td align=\"center\">\u9996\u90e8+\u6570\u636e\u7684\u957f\u5ea6\uff0c\u6700\u5927\u4e3a2^16-1=65535<\/td>\n<td align=\"center\">16\u4f4d<\/td>\n<\/tr>\n<tr class=\"oddRow\">\n<td align=\"center\">\u6807\u8bc6 Identification<\/td>\n<td align=\"center\">\u7528\u6765\u8868\u793a\u662f\u54ea\u4e00\u4e2a\u6570\u636e\u62a5\u7684\u5206\u7247\uff0c\u4e0d\u540c\u7684\u5206\u7247\u6807\u8bc6\u5404\u4e0d\u76f8\u540c<\/td>\n<td align=\"center\">8\u4f4d<\/td>\n<\/tr>\n<tr class=\"evenRow\">\n<td align=\"center\">\u6807\u5fd7 Flags<\/td>\n<td align=\"center\">\u7528\u6765\u8868\u793a\u662f\u5426\u5206\u7247\u548c\u5206\u7247\u662f\u5426\u7ed3\u675f<\/td>\n<td align=\"center\">3\u4f4d\uff0c\u4f46\u5b9e\u9645\u6709\u7528\u7684\u53ea\u6709\u540e\u4e24\u4f4d<\/td>\n<\/tr>\n<tr class=\"oddRow\">\n<td align=\"center\">\u7247\u504f\u79fb Fragment Offset<\/td>\n<td align=\"center\">\u7528\u6765\u6807\u8bb0\u5206\u7247\u4e4b\u540e\uff0c\u8be5\u5206\u7247\u5728\u539f\u6765\u7684\u6570\u636e\u62a5\u7684\u4f4d\u7f6e\uff0c\u4ee58\u5b57\u8282\u4e3a\u5355\u4f4d<\/td>\n<td align=\"center\">13\u4f4d<\/td>\n<\/tr>\n<tr class=\"evenRow\">\n<td align=\"center\">\u751f\u5b58\u65f6\u95f4 Time To Live<\/td>\n<td align=\"center\">\u5373TTL\uff0c\u6ca1\u7ecf\u8fc7\u4e00\u4e2a\u8def\u7531\u5668TTL-1,0\u65f6\u81ea\u52a8\u653e\u5f03\uff0c\u6839\u636e\u7cfb\u7edf\u4e0d\u540c\u9ed8\u8ba4\u7684TTL\u4e0d\u540c<\/td>\n<td align=\"center\">8\u4f4d<\/td>\n<\/tr>\n<tr class=\"oddRow\">\n<td align=\"center\">\u534f\u8bae Protocol<\/td>\n<td align=\"center\">\u7528\u6765\u6807\u8bb0\u534f\u8bae\u540d\u7684\u5b57\u6bb5\u503c\uff0c\u5982TCP,UDP,ICMP\u7b49\u7b49<\/td>\n<td align=\"center\">8\u4f4d<\/td>\n<\/tr>\n<tr class=\"evenRow\">\n<td align=\"center\">\u9996\u90e8\u68c0\u9a8c\u548c Header Checksum<\/td>\n<td align=\"center\">\u68c0\u9a8c\u9996\u90e8\u7684\u5b57\u6bb5\u662f\u5426\u51fa\u9519\uff0c\u51fa\u9519\u5c31\u4e22\u5f03\u6b64\u6570\u636e\u62a5<\/td>\n<td align=\"center\"><\/td>\n<\/tr>\n<tr class=\"oddRow\">\n<td align=\"center\">\u6e90\u5730\u5740 Source IP Address<\/td>\n<td align=\"center\">\u53d1\u9001\u65b9ip\u5730\u5740<\/td>\n<td align=\"center\">32\u4f4d<\/td>\n<\/tr>\n<tr class=\"evenRow\">\n<td align=\"center\">\u76ee\u7684\u5730\u5740 Destination IP Address<\/td>\n<td align=\"center\">\u63a5\u6536\u65b9ip\u5730\u5740<\/td>\n<td align=\"center\">32\u4f4d<\/td>\n<\/tr>\n<tr class=\"oddRow\">\n<td align=\"center\">\u53ef\u9009\u5b57\u6bb5 Options<\/td>\n<td align=\"center\">\u7528\u6765\u6392\u9519\u7b49\u5b89\u5168\u68c0\u6d4b<\/td>\n<td align=\"center\">\u672a\u77e5\uff0c\u53ef\u57280-40\u4f4d\u4e4b\u95f4<\/td>\n<\/tr>\n<tr class=\"evenRow\">\n<td align=\"center\">\u586b\u5145<\/td>\n<td align=\"center\">\u5c06\u6570\u636e\u62a5\u5bf9\u9f50\u62104\u5b57\u8282\u7684\u6574\u6570\u500d\uff0c\u6570\u503c\u5168\u90e8\u4e3a0<\/td>\n<td align=\"center\">\u672a\u77e5\uff0c\u6839\u636e\u53ef\u9009\u5b57\u6bb5\u6765\u5b9a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/20200628163753975.png?shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTA2NzYwMw==,size_16,color_FFFFFF,t_70\"><\/p>\n<p>\u7531\u4e8e\u4ee5\u592a\u7f51\u4e2dMTU\u4e3a1500\u5b57\u8282\uff0c\u6240\u4ee5IP\u5206\u7ec4\u5b58\u5728\u957f\u5ea6\u9650\u5236\uff0c\u5f53\u9700\u8981\u4f20\u9012\u4fe1\u606f\u7684\u957f\u5ea6\u5927\u4e8eMTU\u65f6\uff0c\u9700\u8981\u8fdb\u884c\u5206\u7247\uff0c\u8003\u8651IP\u6570\u636e\u62a5\u7684\u6807\u8bc6\u3001\u6807\u5fd7\u3001\u7247\u504f\u79fb<\/p>\n<p>\u6807\u8bc6\u7528\u4e8e\u8bc6\u522b\u5206\u7247\u6765\u81ea\u7edf\u4e00\u5206\u7ec4\uff0c\u6807\u5fd7\u4f4d\u53ea\u6709\u4e24\u4f4d\u6709\u610f\u4e49\uff0cx _ _\uff0c\u4e2d\u95f4\u4f4ddon\u2019t fragment df=1\u7981\u6b62\u5206\u7247\uff0c\u6700\u4f4e\u4f4dmore fragment mf=1\u8868\u793a\u540e\u9762\u8fd8\u6709\u5206\u7247<\/p>\n<p>\u7247\u504f\u79fb\u8868\u793a\u5206\u7247\u5728\u539f\u5206\u7ec4\u4e2d\u7684\u76f8\u5bf9\u4f4d\u7f6e\uff0c\u4ee58B\u4e3a\u5355\u4f4d\uff0c\u6240\u4ee5\u5206\u7ec4\u957f\u5ea6\u4e3a8B\u6574\u6570\u500d\uff08\u9664\u6700\u540e\u5206\u7ec4<\/p>\n<h3 class=\"\">IP\u5730\u5740<\/h3>\n<p>IP\u5730\u5740\u7528\u4e8e\u552f\u4e00\u6807\u8bb0\u4e92\u8054\u7f51\u4e2d\u8def\u7531\u5668\u4e3b\u673a\u7684\u63a5\u53e3\uff0c\u8def\u7531\u5668\u63a5\u53e3\u8fde\u63a5\u4e0d\u540c\u7f51\u7edc<\/p>\n<ul>\n<li>\u5206\u7c7b\u7684IP\u5730\u5740<\/li>\n<li>\u5b50\u7f51\u5212\u5206<\/li>\n<li>\u6784\u6210\u8d85\u7f51\uff08\u65e0\u5206\u7c7b\u7f16\u5740\u65b9\u6cd5<\/li>\n<\/ul>\n<h4 class=\"\">\u5206\u7c7bIP\u5730\u5740<\/h4>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/20200628165300355.png\"><br \/>\n<img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/2020062816534040.png\"><br \/>\n<img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/20200628165703918.png\"><br \/>\n<img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/20200628173140760.png\"><\/p>\n<p>\u7f51\u7edc\u5730\u5740\u8f6c\u6362NAT<\/p>\n<p>NAT\u8def\u7531\u5668\u4f7f\u5c40\u57df\u7f51\u62e5\u6709\u7edf\u4e00\u5168\u7403IP\u5730\u5740\uff0c\u901a\u8fc7WAN\u53e3\u548cLAN\u53e3\u7684\u7aef\u53e3\u6620\u5c04\u8f6c\u53d1\u3002\u8def\u7531\u5668\u6709\u56faNAT\u8f6c\u6362\u8868\uff0c\u5bf9\u4e3b\u673a\u900f\u660e<\/p>\n<h4 class=\"\"><a href=\"https:\/\/www.bilibili.com\/video\/BV19E411D78Q?p=48\" class=\"tc-tiddlylink-external\" target=\"_blank\" rel=\"noopener noreferrer\" rel=\"nofollow\" >\u5b50\u7f51\u5212\u5206<\/a><\/h4>\n<ul>\n<li>\u5efa\u8bae\u770b\u89c6\u9891\u7406\u89e3\uff0c\u70b9\u5c0f\u6807\u9898\u94fe\u63a5<\/li>\n<\/ul>\n<p>\u5206\u7c7bIP\u5730\u5740\u5b58\u5728\u5f31\u70b9<\/p>\n<ul>\n<li>IP\u5730\u5740\u7a7a\u95f4\u5229\u7528\u7387\u6709\u65f6\u5f88\u4f4e<\/li>\n<li>\u4e24\u7ea7IP\u5730\u5740\u4e0d\u591f\u7075\u6d3b<\/li>\n<\/ul>\n<p>\u5b50\u7f51\u5212\u5206\u5c06\u4e3b\u673a\u53f7\u63d0\u53d6\u5206\u4e3a\u5b50\u7f51\u53f7\u548c\u4e3b\u673a\u53f7<\/p>\n<p>\u901a\u8fc7\u5b50\u7f51\u63a9\u7801\u8bc6\u522b\u5177\u4f53\u5730\u5740\uff0c\u5bf9\u4e8e\u4e3b\u673a\u53f7\u5b50\u7f51\u63a9\u7801\u4e3a0\uff0c\u5bf9\u4e8e\u5b50\u7f51\u53f7\u5b50\u7f51\u63a9\u7801\u4e3a1<\/p>\n<p>\u901a\u8fc7\u5b50\u7f51\u63a9\u7801\u4e0eIP\u5730\u5740\u9010\u4f4d\u76f8\u4e0e\uff0c\u83b7\u53d6\u5b50\u7f51\u7f51\u7edc\u5730\u5740<\/p>\n<p>\u8def\u7531\u5668\u8f6c\u53d1\u5206\u7ec4\u7b97\u6cd5\uff1a<\/p>\n<ul>\n<li>\u5df2\u77e5\u8def\u7531\u8868\u5b58\u5728\uff1a\n<ul>\n<li>\u76ee\u7684\u7f51\u7edc\u5730\u5740<\/li>\n<li>\u76ee\u7684\u7f51\u7edc\u5b50\u7f51\u63a9\u7801<\/li>\n<li>\u4e0b\u4e00\u8df3\u5730\u5740<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<ol>\n<li>\u63d0\u53d6\u76ee\u7684IP\u5730\u5740<\/li>\n<li>\u662f\u5426\u76f4\u63a5\u4ea4\u4ed8\uff08\u4f7f\u7528\u7f51\u7edc\u5730\u5740\u4e0e\u5b50\u7f51\u63a9\u7801\u76f8\u4e0e\uff0c\u5224\u65ad\u662f\u5426\u8def\u7531\u8868\u662f\u5426\u5b58\u5728\u53ef\u4ea4\u4ed8\uff09<\/li>\n<li>\u7279\u5b9a\u4e3b\u673a\u8def\u7531\uff08\u5224\u65ad\u662f\u5426\u80fd\u8f6c\u53d1\u7279\u5b9a\u8def\u7531\uff09<\/li>\n<li>\u68c0\u6d4b\u8def\u7531\u8868\u6709\u65e0\u8def\u5f84\uff08\u5c06\u8def\u7531\u8868\u4e0e\u63a9\u7801\u76f8\u4e0e\uff0c\u5224\u65ad\u80fd\u5426\u8f6c\u53d1\uff09<\/li>\n<li>\u9ed8\u8ba4\u8def\u75310.0.0.0<\/li>\n<li>\u4e22\u5f03\uff0c\u62a5\u544a\u8f6c\u53d1\u5206\u7ec4\u51fa\u9519<\/li>\n<\/ol>\n<h4 class=\"\"><a href=\"https:\/\/www.bilibili.com\/video\/BV19E411D78Q?p=49\" class=\"tc-tiddlylink-external\" target=\"_blank\" rel=\"noopener noreferrer\" rel=\"nofollow\" >\u65e0\u5206\u7c7b\u7f16\u5236CIDR<\/a><\/h4>\n<ul>\n<li>\u4f7f\u7528\u53d8\u957f\u5b50\u7f51\u63a9\u7801<\/li>\n<li>\u6d88\u9664\u4f20\u7edfABC\u7c7b\u5730\u5740\u53ca\u5b50\u7f51\u6982\u5ff5<\/li>\n<li>\u7f51\u7edc\u524d\u7f00+\u4e3b\u673a\u53f7\uff0c\u878d\u5408\u4e86\u5b50\u7f51\u5730\u5740\u548c\u5b50\u7f51\u63a9\u7801\uff0c\u65b9\u4fbf\u5b50\u7f51\u5212\u5206<\/li>\n<li>CIDR\u8bb0\u6cd5\uff1aIP\u5730\u5740\u540e\u52a0\/\uff0c\u586b\u5199\u7f51\u7edc\u524d\u7f00\u4f4d\u6570\u63cf\u8ff0\u5730\u5740\u63a9\u7801<\/li>\n<li>\u901a\u8fc7\u5730\u5740\u5757\u6700\u5c0f\u5730\u5740\u52a0\u7f51\u7edc\u524d\u7f00\u4f4d\u6570\u63cf\u8ff0\u5730\u5740\u5757<\/li>\n<li>\u901a\u8fc7\u7f51\u7edc\u524d\u7f00\u7684\u7f29\u77ed\uff0c\u5c06\u591a\u4e2a\u5b50\u7f51\u805a\u5408\u6210\u8f83\u5927\u7684\u5b50\u7f51\u53ef\u4ee5\u6784\u6210\u8d85\u7f51\uff0c\u5b8c\u6210\u8def\u7531\u805a\u5408\u3002<\/li>\n<li>\u6700\u957f\u524d\u7f00\u5339\u914d\uff1aCIDR\u4e0b\u67e5\u8868\u53ef\u80fd\u627e\u5230\u591a\u4e2a\u5339\u914d\u7ed3\u679c\uff0c\u5339\u914d\u65f6\u9009\u62e9\u5177\u6709\u6700\u957f\u7f51\u7edc\u524d\u7f00\u7684\u8def\u7531\uff0c\u524d\u7f00\u8d8a\u957f\u5730\u5740\u5757\u8d8a\u5c0f\u8d8a\u7cbe\u7ec6\u3002<\/li>\n<li><em>CIDR\u5141\u8bb8\u5168\u96f6\u5168\u4e00\uff0c\u5b50\u7f51\u5212\u5206\u4e0d\u5141\u8bb8<\/em><\/li>\n<\/ul>\n<h3 class=\"\">IPv6<\/h3>\n<p>\u89e3\u51b3\u5730\u5740\u5728\u8017\u5c3d\u95ee\u9898<\/p>\n<p>\u6539\u8fdb\u9996\u90e8\u683c\u5f0f\uff0c\u652f\u6301\u5feb\u901f\u5904\u7406\/\u8f6c\u53d1\u6570\u636e\u62a5\uff0c\u652f\u6301QoS\uff08\u670d\u52a1\u8d28\u91cf\uff09<\/p>\n<p>\u683c\u5f0f\uff1a<br \/>\n\u57fa\u672c\u9996\u90e840\u5b57\u8282+\u6709\u6548\u8f7d\u8377\uff0c\u6709\u6548\u8f7d\u8377\u5305\u62ec\u6269\u5c55\u9996\u90e8<\/p>\n<table>\n<tbody>\n<tr class=\"evenRow\">\n<th align=\"center\">\u540d\u79f0<\/th>\n<th align=\"center\">\u4f5c\u7528<\/th>\n<th align=\"center\">\u4f4d\u6570<\/th>\n<\/tr>\n<tr class=\"oddRow\">\n<td align=\"center\">\u7248\u672c Version<\/td>\n<td align=\"center\">\u77e5\u540d\u534f\u8bae\u7248\u672c\uff0c\u6b64\u5904\u56e0\u4e3a\u662fipv6\u6240\u4ee5\u603b\u662f6<\/td>\n<td align=\"center\">4\u4f4d<\/td>\n<\/tr>\n<tr class=\"evenRow\">\n<td align=\"center\">\u4f18\u5148\u7ea7 Traffic Class<\/td>\n<td align=\"center\">\u53c8\u6765\u533a\u5206\u6570\u636e\u62a5\u7684\u7c7b\u578b\u548c\u4f18\u5148\u7ea7<\/td>\n<td align=\"center\">8\u4f4d<\/td>\n<\/tr>\n<tr class=\"oddRow\">\n<td align=\"center\">\u6d41\u6807\u7b7e Flow Label<\/td>\n<td align=\"center\">\u548cipv4\u6807\u8bc6\u67d0\u4e2a\u6570\u636e\u62a5\u5206\u7247\u4e0d\u540c\uff0c\u8fd9\u662f\u5bf9\u4e8e\u4e00\u6574\u4e2a\u6570\u636e\u62a5\u6d41\u7684\u6807\u8bb0<\/td>\n<td align=\"center\">19\u4f4d<\/td>\n<\/tr>\n<tr class=\"evenRow\">\n<td align=\"center\">\u6709\u6548\u8f7d\u8377\u957f\u5ea6 Payload Length<\/td>\n<td align=\"center\">\u6307\u7684\u662f\u6269\u5c55\u9996\u90e8+\u6570\u636e\u90e8\u5206\u7684\u5927\u5c0f\uff0c\u548cipv4\u7684\u603b\u957f\u5ea6\u548c\u9996\u90e8\u957f\u5ea6\u90fd\u4e0d\u540c\uff0cipv6\u7684\u9996\u90e8\u957f\u5ea6\u662f\u56fa\u5b9a\u768440\u5b57\u8282<\/td>\n<td align=\"center\">16\u4f4d<\/td>\n<\/tr>\n<tr class=\"oddRow\">\n<td align=\"center\">\u4e0b\u4e00\u4e2a\u9996\u90e8 Next Header<\/td>\n<td align=\"center\">\u57fa\u672c\u9996\u90e8\u7684\u4e0b\u4e00\u4e2a\u9996\u90e8\u6307\u7684\u662f\u6709\u6548\u8f7d\u8377\u91cc\u6807\u8bb0\u7684\u7684\u6269\u5c55\u9996\u90e8\uff0c\u6709\u6548\u8f7d\u8377\u91cc\u7684\u6269\u5c55\u9996\u90e8\u518d\u6307\u5411\u6709\u6548\u8f7d\u8377\u91cc\u6807\u8bb0\u7684\u7684\u6269\u5c55\u9996\u90e8\uff0c\u76f4\u81f3\u6700\u540e\u6307\u5411\u6570\u636e<\/td>\n<td align=\"center\">8\u4f4d<\/td>\n<\/tr>\n<tr class=\"evenRow\">\n<td align=\"center\">\u8df3\u6570\u9650\u5236 Hop Limit<\/td>\n<td align=\"center\">\u57fa\u672c\u76f8\u5f53\u4e8eipv4\u5f53\u4e2d\u7684TTL\uff0c\u6bcf\u5230\u4e00\u4e2a\u8def\u7531\u5668-1.\u51cf\u52300\u65f6\u4e22\u5f03<\/td>\n<td align=\"center\">7\u4f4d<\/td>\n<\/tr>\n<tr class=\"oddRow\">\n<td align=\"center\">\u6e90\u5730\u5740 Source Address<\/td>\n<td align=\"center\">\u53d1\u9001\u65b9ipv6\u5730\u5740<\/td>\n<td align=\"center\">128\u4f4d<\/td>\n<\/tr>\n<tr class=\"evenRow\">\n<td align=\"center\">\u76ee\u6807\u5730\u5740 Destination Address<\/td>\n<td align=\"center\">\u63a5\u6536\u65b9ipv6\u5730\u5740<\/td>\n<td align=\"center\">128\u4f4d<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u533a\u522b\uff1a<\/p>\n<ul>\n<li>\u5730\u5740\u4ece32\u4f4d\u6269\u5c55128\u4f4d<\/li>\n<li>\u5c06\u6821\u9a8c\u548c\u5b57\u6bb5\u79fb\u9664<\/li>\n<li>\u5c06\u53ef\u9009\u5b57\u6bb5\u6539\u4e3a\u6269\u5c55\u9996\u90e8\uff0c\u66f4\u52a0\u7075\u6d3b<\/li>\n<li>\u5373\u63d2\u5373\u7528\uff0c\u65e0\u9700DHCP<\/li>\n<li>\u9996\u90e8\u957f\u5ea6\u4e3a8B\u6574\u6570\u500d\uff0cv4\u4e3a4B<\/li>\n<li>\u53ea\u80fd\u5728\u4e3b\u673a\u5904\u5206\u7247\uff0c\u4e0d\u80fd\u5728\u8def\u7531\u5668\uff08\u4e0d\u540cv4<\/li>\n<li>ICMPv6\u9644\u52a0\u5206\u7ec4\u8fc7\u5927\u62a5\u6587\u7c7b\u578b<\/li>\n<li>\u652f\u6301\u8d44\u6e90\u9884\u5206\u914d\uff0c\u5b9e\u65f6\u5f71\u50cf\u4fdd\u8bc1\u5e26\u5bbd\u548c\u65f6\u5ef6<\/li>\n<li>\u53d6\u6d88\u534f\u8bae\u5b57\u6bb5\uff0c\u6539\u4e3a\u4e0b\u4e00\u9996\u90e8\u5b57\u6bb5<\/li>\n<li>\u53d6\u6d88\u603b\u957f\u5ea6\u5b57\u6bb5\uff0c\u6539\u4e3a\u6709\u6548\u8f7d\u8377\u957f\u5ea6<\/li>\n<li>\u53d6\u6d88\u4e86\u670d\u52a1\u7c7b\u578b\u5b57\u6bb5<\/li>\n<\/ul>\n<p>\u8bb0\u6cd5\uff1a\u5192\u53f7\u5341\u516d\u8fdb\u5236\u8bb0\u6cd5\u3001\u538b\u7f29\u8bb0\u6cd5\uff08\u53bb\u96f6\uff09\u3001\u53cc\u5192\u53f7\u8868\u793a\u8fde\u7eed\u5168\u96f6<\/p>\n<p>\u5730\u5740\u7c7b\u578b\uff1a<\/p>\n<ul>\n<li>\u5355\u64ad\uff1a\u4e00\u5bf9\u4e00<\/li>\n<li>\u591a\u64ad\uff1a\u4e00\u5bf9\u591a<\/li>\n<li>\u4efb\u64ad\uff1a\u4e00\u5bf9\u591a\u53d6\u4e00<\/li>\n<\/ul>\n<p>\u517c\u5bb9\u6027\uff1a<\/p>\n<ul>\n<li>\u53cc\u6808\u534f\u8bae\uff1a\u540c\u65f6\u652f\u6301IPv4\u548cIPv6\u534f\u8bae\u6808\uff0c\u4e0d\u540c\u63a5\u53e3\u5206\u522b\u914d\u7f6e\u5730\u5740<\/li>\n<li>\u96a7\u9053\u6280\u672f\uff1a\u5c06IPv6\u5c01\u88c5\u4e3aIPv4\u6570\u636e\u62a5\uff0c\u4e8e\u96a7\u9053\u4e2d\u53d1\u9001<\/li>\n<\/ul>\n<h3 class=\"\">IP\u7ec4\u64ad<\/h3>\n<p>\u8def\u7531\u5668\u7ec4\u64ad\u534f\u8bae&amp;IP\u7ec4\u64ad\u5730\u5740<\/p>\n<p>\u5728\u7f51\u7edc\u5355\u64ad\uff0c\u5728\u5c40\u57df\u591a\u64ad\uff0c48\u4f4d\u4ee5\u592a\u7f51\u5730\u5740\u5b9a\u754c<\/p>\n<p>\u7f51\u9645\u7ec4\u7ba1\u7406\u534f\u8baeIGMP\uff0c\u7528\u4e8e\u8ba9\u8def\u7531\u5668\u77e5\u9053\u672c\u5c40\u57df\u7f51\u4e0a\u662f\u5426\u6709\u4e3b\u673a\u7684\u8fdb\u7a0b\u53c2\u52a0\u6216\u9000\u51fa\u67d0\u7ec4\u64ad\u7ec4<\/p>\n<p>etc...<\/p>\n<h3 class=\"\">\u79fb\u52a8IP<\/h3>\n<p>\u8de8\u5730\u533a\u4f7f\u7528\u76f8\u540cIP<\/p>\n<p>\u79fb\u52a8\u8282\u70b9&amp;\u5f52\u5c5e\u4ee3\u7406&amp;\u5916\u90e8\u4ee3\u7406&amp;\u6c38\u4e45\u5730\u5740&amp;\u8f6c\u4ea4\u5730\u5740<\/p>\n<h2 class=\"\">ARP\u534f\u8bae<\/h2>\n<p>ARP\u9ad8\u901f\u7f13\u5b58\u4fdd\u5b58IP\u5730\u5740\u4e0eMAC\u5730\u5740\u7684\u6620\u5c04\uff08\u53ea\u4fdd\u5b58\u5c40\u57df\u7f51\u5185\uff09<\/p>\n<p>\u82e5\u6ca1\u6709\u5219\u5e7f\u64adARP\u8bf7\u6c42\u5206\u7ec4\uff08IPS,IPT,MACS,MACT\uff09\uff0c\u5c06\u76ee\u7684MAC\u5730\u5740\u5b58\u4e3a\u51681\u3002\u5f53\u5bf9\u5e94\u673a\u5668\u6536\u5230\u8bf7\u6c42\u5206\u7ec4\u65f6\u56de\u590d\u54cd\u5e94\u3002<\/p>\n<p>\u5f53\u76ee\u7684IP\u4e0d\u5b58\u5728\u4e8e\u5c40\u57df\u7f51\u5185\u65f6\uff0c\u5c06MAC\u76ee\u6807\u5b58\u4e3a\u9ed8\u8ba4\u7f51\u5173\uff08\u8def\u7531\u5668\uff09MAC\u5730\u5740\uff08\u5982\u679c\u6ca1\u6709\u7f13\u5b58\u5219\u8bf7\u6c42\uff09<\/p>\n<p>\u5e7f\u57df\u7f51\u4f20\u64ad\u76ee\u7684MAC\u4e3a\u5168\u4e00\uff0c\u4e0e\u4f20\u64ad\u65e0\u5173\uff0c\u5f53\u8fdb\u5165\u76ee\u7684\u5730\u5740\u7f51\u5173\u65f6\u53d1\u9001ARP\u8bf7\u6c42<\/p>\n<ul>\n<li>\u4f7f\u7528\u8fc7\u7a0b\uff1a\u68c0\u67e5ARP\u9ad8\u901f\u7f13\u5b58\uff0c\u6709\u5bf9\u5e94\u5199\u5165MAC\u5e27\uff0c\u6ca1\u6709\u5219\u7528\u5168F\u5e27\u5c01\u88c5\u5e76\u5e7f\u64ad\u8bf7\u6c42\u5206\u7ec4\u3002\u76ee\u7684\u4e3b\u673a\u6536\u5230\u540e\u8fd4\u56deARP\u54cd\u5e94\uff0c\u6e90\u4e3b\u673a\u6536\u5230\u5199\u5165ARP\u7f13\u5b58\uff0810-20min\u66f4\u65b0\uff09<\/li>\n<li>\u4f7f\u7528\u5178\u578b\uff1a\n<ul>\n<li>\u4e3b\u673aA\u53d1\u7ed9\u672c\u7f51\u7edc\u4e3b\u673aB\uff0c\u7528ARP\u627e\u5230\u4e3b\u673aB\u786c\u4ef6\u5730\u5740<\/li>\n<li>\u4e3b\u673aA\u53d1\u7ed9\u53e6\u4e00\u7f51\u7edc\u4e0a\u4e3b\u673aB\uff0c\u7528ARP\u627e\u5230\u7f51\u5173\u786c\u4ef6\u5730\u5740<\/li>\n<li>\u8def\u7531\u5668\u53d1\u7ed9\u672c\u7f51\u7edc\u4e3b\u673aA\uff0c\u7528ARP\u627e\u5230\u4e3b\u673aA\u786c\u4ef6\u5730\u5740<\/li>\n<li>\u8def\u7531\u5668\u53d1\u7ed9\u53e6\u4e00\u7f51\u7edc\u4e3b\u673aB\uff0c\u7528ARP\u627e\u5230\u53e6\u4e00\u8def\u7531\u5668\u786c\u4ef6\u5730\u5740<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2 class=\"\">DHCP\u534f\u8bae<\/h2>\n<p>\u4e3b\u673a\u83b7\u5f97IP\u5730\u5740<\/p>\n<ul>\n<li>\u9759\u6001\u914d\u7f6e\n<ul>\n<li>IP\u5730\u5740\uff0c\u5b50\u7f51\u63a9\u7801\uff0c\u9ed8\u8ba4\u7f51\u5173<\/li>\n<\/ul>\n<\/li>\n<li>\u52a8\u6001\u914d\u7f6e\n<ul>\n<li>DHCP\u52a8\u6001\u5206\u914d\u79fb\u52a8\u4e3b\u673aIP\u5730\u5740\uff08\u5e94\u7528\u5c42\u534f\u8bae\uff0c\u57fa\u4e8eUDP\uff09<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>DHCP\u5373\u63d2\u5373\u7528\u8054\u7f51\uff0c\u4e3b\u673a\u53ef\u4ee5\u4ece\u670d\u52a1\u5668\u52a8\u6001\u83b7\u53d6IP\u5730\u5740\u3001\u5b50\u7f51\u63a9\u7801\u3001\u9ed8\u8ba4\u7f51\u5173\u3001DNS\u670d\u52a1\u5668\u540d\u79f0\u4e0eIP\u5730\u5740\uff0c\u5141\u8bb8\u5730\u5740\u91cd\u7528\uff0c\u652f\u6301\u79fb\u52a8\u7528\u6237\u5165\u7f51\uff0c\u652f\u6301\u5730\u5740\u7eed\u79df<\/p>\n<ol>\n<li>\u4e3b\u673a\u5e7f\u64adDHCP\u53d1\u73b0\u62a5\u6587<\/li>\n<li>DHCP\u670d\u52a1\u5668\u5e7f\u64adDHCP\u63d0\u4f9b\u62a5\u6587\uff08\u5148\u5230\u5148\u5f97\uff09<\/li>\n<li>\u4e3b\u673a\u5e7f\u64adDHCP\u8bf7\u6c42\u62a5\u6587\uff08\u544a\u77e5\u7279\u5b9aDHCP\u670d\u52a1\u5668\u53ca\u5176\u5b83\u670d\u52a1\u5668\uff09<\/li>\n<li>DHCP\u670d\u52a1\u5668\u5e7f\u64adDHCP\u786e\u8ba4\u62a5\u6587<\/li>\n<\/ol>\n<h2 class=\"\">ICMP\u534f\u8bae<\/h2>\n<p>\u652f\u6301\u4e3b\u673a\u6216\u8def\u7531\u5668\uff0c\u5dee\u9519\u62a5\u544a&amp;\u7f51\u7edc\u63a2\u5bfb<\/p>\n<p>\u65b9\u5f0f\uff1a\u53d1\u9001\u7279\u5b9aICMP\u62a5\u6587\u8fdb\u884c\u5de5\u4f5c<\/p>\n<h3 class=\"\">ICMP\u5dee\u9519\u62a5\u6587<\/h3>\n<ul>\n<li>\u7ec8\u70b9\u4e0d\u53ef\u8fbe\uff1a\u65e0\u6cd5\u4ea4\u4ed8<\/li>\n<li>\u6e90\u70b9\u6291\u5236\uff1a\u62e5\u585e\u4e22\u5931\u6570\u636e<\/li>\n<li>\u65f6\u95f4\u8d85\u8fc7:TTL=0\uff0c\u8d85\u65f6\u53cd\u9988&amp;\u7ec8\u70b9\u672a\u80fd\u63a5\u6536\u5168\u90e8\u6570\u636e\u62a5\u7247\u4e14\u8d85\u8fc7\u89c4\u5b9a\u65f6\u95f4\uff0c\u4e22\u5f03\u53d1\u62a5<\/li>\n<li>\u53c2\u6570\u95ee\u9898\uff1a\u9996\u90e8\u5b57\u6bb5\u51fa\u95ee\u9898<\/li>\n<li>\u6539\u53d8\u8def\u7531\uff1a\u91cd\u5b9a\u5411\u62a5\u6587\u8868\u660e\u8def\u7531\u975e\u6700\u4f73<\/li>\n<li>\u7279\u6b8a\uff1a\n<ul>\n<li>\u4e0d\u5bf9ICMP\u5dee\u9519\u62a5\u544a\u62a5\u6587\u53d1\u9001ICMP\u5dee\u9519\u62a5\u544a\u62a5\u6587<\/li>\n<li>\u5bf9\u4e8e\u7b2c\u4e00\u4e2a\u5206\u7247\u6570\u636e\u62a5\u7247\u7684\u6240\u6709\u540e\u7eed\u6570\u636e\u62a5\u7247\u4e0d\u53d1\u9001<\/li>\n<li>\u5bf9\u5177\u6709\u7ec4\u64ad\u5730\u5740\u7684\u6570\u636e\u62a5\u4e0d\u53d1\u9001<\/li>\n<li>\u5bf9\u5177\u6709\u7279\u6b8a\u5730\u5740\u7684\u6570\u636e\u62a5\u4e0d\u53d1\u9001<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4 class=\"\">ICMP\u62a5\u6587\u88c5\u5165\u6570\u636e\u62a5<\/h4>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/20200629094024680.png\"><\/p>\n<h3 class=\"\">ICMP\u8be2\u95ee\u62a5\u6587<\/h3>\n<ul>\n<li>\u56de\u9001\u8bf7\u6c42\u548c\u56de\u7b54\u62a5\u6587\uff1aping\uff0c\u68c0\u6d4b\u76ee\u7684\u7ad9\u662f\u5426\u53ef\u8fbe<\/li>\n<li>\u65f6\u95f4\u6233\u8bf7\u6c42\u548c\u56de\u7b54\u62a5\u6587\uff1a\u8fdb\u884c\u65f6\u949f\u540c\u6b65\u548c\u65f6\u95f4\u6d4b\u91cf<\/li>\n<li>\u63a9\u7801\u5730\u5740\u8bf7\u6c42\u548c\u56de\u7b54\u62a5\u6587<\/li>\n<li>\u8def\u7531\u5668\u8be2\u95ee\u548c\u901a\u544a\u62a5\u6587<\/li>\n<\/ul>\n<h3 class=\"\">ICMP\u5e94\u7528<\/h3>\n<ul>\n<li>ping\uff1a\u6d4b\u8bd5\u4e24\u4e2a\u4e3b\u673a\u4e4b\u95f4\u7684\u8fde\u901a\u6027<\/li>\n<li>traceroute\uff1a\u8ddf\u8e2a\u5206\u7ec4\u4ece\u6e90\u70b9\u5230\u7ec8\u70b9\u7684\u8def\u5f84\uff0c\u4f7f\u7528\u4e86ICMP\u65f6\u95f4\u8d85\u8fc7\u5dee\u9519\u62a5\u544a\u62a5\u6587\n<ul>\n<li>\u901a\u8fc7\u53d1\u9001\u4e00\u7ec4TTL\u4e0d\u540c\u7684\u62a5\u6587\uff0c\u901a\u8fc7\u53cd\u9988\u5224\u65ad\u8ddd\u79bb<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h1 class=\"\">\u8def\u7531\u9009\u62e9\u7b97\u6cd5\u53ca\u8def\u7531\u534f\u8bae<\/h1>\n<p>\u8def\u7531\u7b97\u6cd5\u8ba1\u7b97\u6700\u4f73\u7684\u8def\u7531\u65b9\u5f0f\u8f7d\u5165\u8def\u7531\u8868\/\u8f6c\u53d1\u8868\uff0c\u94fe\u8def\u8ddd\u79bb\/\u65f6\u5ef6<\/p>\n<p>\u8def\u7531\u7b97\u6cd5\uff1a<\/p>\n<ul>\n<li>\u9759\u6001\u8def\u7531\u7b97\u6cd5\uff1a\u7ba1\u7406\u5458\u624b\u5de5\u914d\u7f6e\u8def\u7531\u4fe1\u606f\n<ul>\n<li>\u7b80\u4fbf\uff0c\u53ef\u9760\uff0c\u9002\u7528\u4e8e\u62d3\u6251\u53d8\u5316\u4e0d\u5927\u7684\u7f51\u7edc\uff0c\u901a\u5e38\u7528\u4e8e\u9ad8\u5b89\u5168\u548c\u8f83\u5c0f\u5546\u4e1a\u7f51\u7edc<\/li>\n<li>\u8def\u7531\u66f4\u65b0\u6162\uff0c\u4e0d\u9002\u7528\u4e8e\u5927\u578b\u7f51\u7edc<\/li>\n<\/ul>\n<\/li>\n<li>\u52a8\u6001\u8def\u7531\u7b97\u6cd5\uff1a\u8def\u7531\u5668\u4ea4\u6362\u4fe1\u606f\uff0c\u5b89\u88c5\u8def\u7531\u7b97\u6cd5\u4f18\u5316\u8def\u7531\u8868\u9879\n<ul>\n<li>\u66f4\u65b0\u5feb\uff0c\u53ca\u65f6\u54cd\u5e94\u94fe\u8def\u8d39\u7528\u53ca\u7f51\u7edc\u62d3\u6251\u53d8\u5316<\/li>\n<li>\u7b97\u6cd5\u590d\u6742\uff0c\u589e\u52a0\u7f51\u7edc\u8d1f\u62c5<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\u52a8\u6001\u8def\u7531\u7b97\u6cd5\u7ec6\u5206\uff1a<\/p>\n<ul>\n<li>\u5168\u5c40\u6027\uff1a\u94fe\u8def\u72b6\u6001\u8def\u7531\u7b97\u6cd5OSPF\uff08\u8def\u7531\u5668\u5b8c\u5168\u638c\u63e1\u7f51\u7edc\u62d3\u6251\u53ca\u94fe\u8def\u8d39\u7528\u4fe1\u606f<\/li>\n<li>\u5206\u6563\u6027\uff1a\u8ddd\u79bb\u5411\u91cf\u8def\u7531\u7b97\u6cd5RIP\uff08\u8def\u7531\u5668\u53ea\u638c\u63e1\u7269\u7406\u76f8\u8fde\u90bb\u5c45\u53ca\u94fe\u8def\u8d39\u7528<\/li>\n<\/ul>\n<h2 class=\"\">\u5206\u5c42\u6b21\u8def\u7531\u9009\u62e9\u534f\u8bae<\/h2>\n<p>\u56e0\u7279\u7f51\u5b58\u5728\u81ea\u6cbb\u7cfb\u7edfAS\uff0c\u9632\u6b62\u8def\u7531\u89c4\u6a21\u8fc7\u5927\uff0c\u56e0\u6b64\u6709\u81ea\u6cbb\u7cfb\u7edf\u5c06\u5185\u90e8\u7f51\u5173\u534f\u8bae\u4e0e\u5916\u90e8\u7f51\u5173\u534f\u8bae\u7684\u5b58\u5728\u5272\u88c2\u3002AS\u5185\u6240\u6709\u7f51\u7edc\u4f5c\u4e3a\u72ec\u7acb\u884c\u653f\u5355\u4f4d\uff0c\u6240\u5728\u8def\u7531\u5668\u5728\u672c\u81ea\u6cbb\u7cfb\u7edf\u5185\u8fde\u901a<\/p>\n<p>\u8def\u7531\u9009\u62e9\u534f\u8bae\uff1a<\/p>\n<ul>\n<li>\u5185\u90e8\u7f51\u5173\u534f\u8baeIGP \u4e00\u4e2aAS\u5185\u4f7f\u7528\u7684RIP\u3001OSPF<\/li>\n<li>\u5916\u90e8\u7f51\u5173\u534f\u8baeEGP AS\u4e4b\u95f4\u4f7f\u7528\u7684BGP<\/li>\n<\/ul>\n<h2 class=\"\">RIP\u534f\u8bae\u548c\u8ddd\u79bb\u5411\u91cf\u7b97\u6cd5<\/h2>\n<p>\u5206\u5e03\u5f0f\u57fa\u4e8e\u8ddd\u79bb\u5411\u91cf\u7684\u8def\u7531\u9009\u62e9\u534f\u8bae\uff0c\u662f\u56e0\u7279\u7f51\u7684\u534f\u8bae\u8868\u5c0a\uff0c\u7b80\u5355<\/p>\n<p>\u8981\u6c42\u7f51\u7edc\u4e2d\u6bcf\u4e00\u4e2a\u8def\u7531\u5668\u90fd\u7ef4\u62a4\u4ece\u5b83\u81ea\u5df1\u5230\u5176\u5b83\u6bcf\u4e00\u4e2a\u76ee\u7684\u7f51\u7edc\u7684\u552f\u4e00\u6700\u4f73\u8ddd\u79bb\u8bb0\u5f55<\/p>\n<p>\u8ddd\u79bb\uff0c\u901a\u5e38\u8868\u793a\u4e3a\u8df3\u6570\uff0c\u5728\u8def\u7531\u5668\u5904\u8fdb\u884c\u8ba1\u7b97\u3002\u4f9d\u7167\u7f51\u7edc\u5206\u5272\uff0c\u901a\u5e38\u7528\u8ddd\u79bb16\u8868\u793a\u7f51\u7edc\u4e0d\u53ef\u8fbe<\/p>\n<p>RIP\u534f\u8bae\u53ea\u9002\u7528\u4e8e\u5c0f\u4e92\u8054\u7f51\uff0c\u8bb0\u5f55\u4ee5\u4e0b\u7ed3\u6784\u7684\u6570\u636e<\/p>\n<table>\n<tbody>\n<tr class=\"evenRow\">\n<th>\u76ee\u7684\u7f51\u7edc<\/th>\n<th>\u8ddd\u79bb<\/th>\n<th>\u4e0b\u4e00\u8df3\u8def\u7531\u5668<\/th>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li>RIP\u534f\u8bae\u4ec5\u4e0e\u76f8\u90bb\u8def\u7531\u5668\u4ea4\u6362\u4fe1\u606f<\/li>\n<li>RIP\u534f\u8bae\u4ea4\u6362\u81ea\u8eab\u8def\u7531\u8868<\/li>\n<li>\u6ca130\u79d2\u4ea4\u6362\u8def\u7531\u4fe1\u606f\uff0c\u5219\u8ba4\u4e3a\u94fe\u8defbug<\/li>\n<\/ul>\n<p>\u8def\u7531\u5668\u521a\u5f00\u59cb\u5de5\u4f5c\u65f6\uff0c\u53ea\u77e5\u9053\u76f8\u8fde\u7f51\u7edc\u7684\u8ddd\u79bb\uff0c\u53ea\u4e0e\u6570\u76ee\u6709\u9650\u7684\u76f8\u90bb\u8def\u7531\u5668\u4ea4\u6362\u5e76\u66f4\u65b0\u8def\u7531\u4fe1\u606f\u3002\u7ecf\u8fc7\u82e5\u5e72\u6b21\u66f4\u65b0\u8fbe\u6210\u81ea\u6cbb\u7cfb\u7edf\u5185\u4efb\u4f55\u7f51\u7edc\u7684\u6700\u77ed\u8ddd\u79bb\u53ca\u4e0b\u4e00\u8df3\u8def\u7531\u5668\u5730\u5740<\/p>\n<p>\u4ea4\u6362RIP\u62a5\u6587\uff0c<\/p>\n<p>\u5de5\u4f5c\u8fc7\u7a0b\uff1a<\/p>\n<ul>\n<li>\u4fee\u6539\u76f8\u90bb\u8def\u7531\u5668\u53d1\u6765\u7684RIP\u62a5\u6587\u6240\u6709\u8868\u9879\uff0c\u5c06\u8ddd\u79bb+1\uff0c\u4e0b\u4e00\u8df3\u4fee\u6539\u4e3a\u53d1\u9001\u8def\u7531\u5668<\/li>\n<li>\u5bf9\u4fee\u6539\u62a5\u6587\u4e0e\u8def\u7531\u8868\u5339\u914d\uff0c\u586b\u5165\u8def\u7531\u8868\uff0c\u5e76\u5339\u914d\u4fee\u6539\u53d6\u6700\u5c0f\u5224\u65ad\u91c7\u7528\u8fd8\u662f\u4e22\u5f03<\/li>\n<li>180s\u672a\u6536\u5230\u76f8\u90bb\u62a5\u6587\u5219\u8bb0\u4f5c\u4e0d\u53ef\u8fbe<\/li>\n<\/ul>\n<p>\u4f7f\u7528udp\u6570\u636e\u62a5\uff0cRIP\u662f\u5c5e\u4e8e\u8def\u7531\u5668\u7684\u5e94\u7528\u5c42\u534f\u8bae<\/p>\n<p>\u7279\u70b9\uff1a\u5f53\u7f51\u7edc\u51fa\u73b0\u6545\u969c\u65f6\uff0c\u9700\u8981\u8f83\u957f\u65f6\u95f4\u624d\u80fd\u5c06\u4fe1\u606f\u4f20\u9001\u5230\u6240\u6709\u670d\u52a1\u5668\uff08\u5bb9\u6613\u5957\u5a03\uff09\u6162\u6536\u655b<\/p>\n<h2 class=\"\">OSPF\u534f\u8bae\u4e0e\u94fe\u8def\u72b6\u6001\u7b97\u6cd5<\/h2>\n<p>\u5f00\u653e\u6700\u77ed\u8def\u7ebf\u4f18\u5148OSPF\u534f\u8bae<\/p>\n<p>\u8def\u7531\u5668\u4f7f\u7528\u6d2a\u6cdb\u6cd5\u53d1\u9001\u76f8\u90bb\u6240\u6709\u8def\u7531\u5668\u7684\u94fe\u8def\u72b6\u6001\uff0c\u4ec5\u5f53\u5f53\u524d\u94fe\u8def\u72b6\u6001\u53d1\u751f\u53d8\u5316\u65f6\u8fdb\u884c\u6d2a\u6cdb\uff0c\u6700\u540e\u8def\u7531\u5668\u5efa\u7acb\u5168\u7f51\u62d3\u6251\u94fe\u8def\u72b6\u6001\u6570\u636e\u5e93<\/p>\n<ol>\n<li>\u901a\u8fc7\u53d1\u9001\u95ee\u5019\u5206\u7ec4\u4e86\u89e3\u90bb\u5c45\u8282\u70b9\u7684\u7f51\u7edc\u5730\u5740\uff0c\u6bcf10s\u4e00\u6b21<\/li>\n<li>\u5ea6\u91cf\u90bb\u5c45\u6210\u672c<\/li>\n<li>\u6784\u9020DD\u6570\u636e\u5e93\u63cf\u8ff0\u5206\u7ec4\u53d1\u7ed9\u90bb\u7ad9<\/li>\n<li>\u5982\u679cDD\u5206\u7ec4\u90fd\u6709\u5219\u4e0d\u5904\u7406\uff0c\u5982\u679c\u53c8\u66f4\u65b0\u5219\u53d1\u9001LSR\u94fe\u8def\u72b6\u6001\u8bf7\u6c42\u5206\u7ec4<\/li>\n<li>\u6536\u5230LSR\u540e\u53d1\u9001LSU\u94fe\u8def\u72b6\u6001\u66f4\u65b0\u5206\u7ec4<\/li>\n<li>\u66f4\u65b0\u5b8c\u6bd5\u53d1\u9001LSAck\u94fe\u8def\u72b6\u6001\u786e\u8ba4\u5206\u7ec4<\/li>\n<\/ol>\n<p>\u56e0\u6b64\u53ea\u8981\u4e00\u4e2a\u8def\u7531\u5668\u94fe\u8def\u72b6\u6001\u53d1\u751f\u53d8\u5316\u5219\u6cdb\u6d2a\u53d1\u9001LSU\u5206\u7ec4\u8fdb\u884c\u66f4\u65b0\uff0c\u66f4\u65b0\u5b8c\u6bd5\u540e\u56de\u590dLSAck\u786e\u8ba4<\/p>\n<p>\u4e3a\u4e86OSPF\u7528\u4e8e\u5927\u89c4\u6a21\u7f51\u7edc\uff0c\u53ef\u4ee5\u4e3a\u81ea\u6cbb\u7cfb\u7edf\u5212\u5206\u5c0f\u4e8e200\u8def\u7531\u5668\u533a\u57df\u8fdb\u884c\u6807\u8bc6\u8ba1\u7b97<\/p>\n<p>\u4e3b\u5e72\u8def\u7531\u5668&amp;\u533a\u57df\u8fb9\u754c\u8def\u7531\u5668|\u81ea\u6cbb\u7cfb\u7edf\u8fb9\u754c\u8def\u7531\u5668|\u533a\u57df\u5185\u90e8\u8def\u7531\u5668<\/p>\n<p>OSPF\u5206\u7ec4\u4f7f\u7528IP\u6570\u636e\u62a5\u8fdb\u884c\u53d1\u9001\uff0c\u7f51\u7edc\u5c42\u534f\u8bae\uff08\u6216\u4f20\u8f93\u5c42\u534f\u8bae\uff09<\/p>\n<ul>\n<li>\u6bcf\u969430min\u66f4\u65b0\u4e00\u6b21\u6570\u636e\u5e93\u94fe\u8def\u72b6\u6001<\/li>\n<li>\u5f53\u4e92\u8054\u7f51\u89c4\u6a21\u5927\u65f6\uff0c\u533a\u57df\u5316\u7684OSPF\u534f\u8bae\u8981\u6bd4\u8ddd\u79bb\u5411\u91cf\u534f\u8bae\u65b9\u4fbf\uff0c\u4e0d\u7528\u5168\u90e8\u50a8\u5b58<\/li>\n<li>OSPF\u6536\u655b\u901f\u5ea6\u5feb<\/li>\n<\/ul>\n<h2 class=\"\">BGP\u534f\u8bae<\/h2>\n<p>BGP\u4e0e\u5176\u5b83AS\u7684\u90bb\u7ad9BGP\u53d1\u8a00\u4eba\u4ea4\u6362\u4fe1\u606f<\/p>\n<p>\u4ea4\u6362\u7f51\u7edc\u53ef\u8fbe\u6027\u4fe1\u606f\uff0c\u5373\u5230\u8fbe\u67d0\u4e00\u7f51\u7edc\u9700\u8981\u7ecf\u8fc7\u7684AS\u5e8f\u5217<\/p>\n<p>\u53d1\u9001\u53d8\u5316\u65f6\u8fdb\u884c\u66f4\u65b0<\/p>\n<ul>\n<li>BGP\u53d1\u8a00\u4eba\u4ea4\u6362\u7f51\u7edc\u53ef\u8fbe\u6027\u4fe1\u606f\u540e\u6839\u636e\u6240\u91c7\u7528\u7684\u7b56\u7565\u4ece\u6536\u5230\u7684\u8def\u7531\u4fe1\u606f\u4e2d\u627e\u51fa\u5230\u8fbe\u5404AS\u7684\u8f83\u597d\u8def\u7531<\/li>\n<li>\u4ea4\u6362\u8def\u5f84\u5411\u91cf<\/li>\n<\/ul>\n<p>TCP\u4f20\u8f93<\/p>\n<ul>\n<li>open\u62a5\u6587\u8ba4\u8bc1\u53d1\u9001\u65b9<\/li>\n<li>update\u62a5\u6587\u544a\u77e5\u65b0\u8def\u5f84\u6216\u64a4\u9500<\/li>\n<li>keepalive\u62a5\u6587\u786e\u5b9a\u8fde\u901a\u8fdb\u884c\u786e\u8ba4<\/li>\n<li>notification\u62a5\u6587\u62a5\u544a\u5dee\u9519\u5173\u95ed\u8fde\u63a5<\/li>\n<\/ul>\n<h2 class=\"\">\u8def\u7531\u534f\u8bae\u603b\u7ed3<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/20200629204241177.png\"><\/p>\n<h1 class=\"\">\u7f51\u7edc\u5c42\u8bbe\u5907\u2014\u2014\u8def\u7531\u5668<\/h1>\n<p>\u8def\u7531\u9009\u62e9&amp;\u5206\u7ec4\u8f6c\u53d1<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/20200629220712123.png\"><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/20200629221015438.png\"><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/20200629221022561.png\"><\/p>\n<h1 class=\"\">\u603b\u7ed3<\/h1>\n<ul>\n<li>\u7f51\u7edc\u5c42\n<ul>\n<li>\u7f51\u7edc\u5c42\u529f\u80fd\n<ul>\n<li>\u5f02\u6784\u7f51\u7edc\u4e92\u8054<\/li>\n<li>\u8def\u7531\u4e0e\u8f6c\u53d1<\/li>\n<li>\u62e5\u585e\u63a7\u5236\u2014\u2014\u5f00\u73af\u95ed\u73af<\/li>\n<\/ul>\n<\/li>\n<li>\u6570\u636e\u4ea4\u6362\u65b9\u5f0f\n<ul>\n<li>\u7535\u8def\u4ea4\u6362<\/li>\n<li>\u62a5\u6587\u4ea4\u6362<\/li>\n<li>\u5206\u7ec4\u4ea4\u6362\u2014\u2014\u6570\u636e\u62a5\/\u865a\u7535\u8def<\/li>\n<\/ul>\n<\/li>\n<li>IP\u6570\u636e\u62a5\u2014\u2014\u683c\u5f0f&amp;\u5206\u7247<\/li>\n<li>IPv4\n<ul>\n<li>\u5206\u7c7bIP\u5730\u5740\u2014\u2014\u7f51\u7edc\u5730\u5740\u8f6c\u6362NAT<\/li>\n<li>\u5b50\u7f51\u5212\u5206<\/li>\n<li>\u65e0\u5206\u7c7b\u7f16\u5236CIDR\u2014\u2014\u6784\u6210\u8d85\u7f51<\/li>\n<\/ul>\n<\/li>\n<li>\u534f\u8bae\n<ul>\n<li>ARP\u2014\u2014MAC\u548cIP\u6620\u5c04<\/li>\n<li>DHCP\u2014\u2014\u52a8\u6001\u83b7\u53d6IP\u5730\u5740<\/li>\n<li>ICMP\u2014\u2014\u5dee\u9519\u62a5\u6587\u548c\u8be2\u95ee<\/li>\n<li>IGMP\u2014\u2014\u7ec4\u64ad\u8def\u7531\u9009\u62e9<\/li>\n<\/ul>\n<\/li>\n<li>IPv6<\/li>\n<li>\u8def\u7531\u7b97\u6cd5\n<ul>\n<li>\u9759\u6001\u8def\u7531\u7b97\u6cd5<\/li>\n<li>\u52a8\u6001\u8def\u7531\u7b97\u6cd5\n<ul>\n<li>OSPF<\/li>\n<li>RIP<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>\u8def\u7531\u9009\u62e9\u534f\u8bae\n<ul>\n<li>\u5185\u90e8\u7f51\u5173\u534f\u8bae\n<ul>\n<li>RIP<\/li>\n<li>OSPF<\/li>\n<\/ul>\n<\/li>\n<li>\u5916\u90e8\u7f51\u5173\u534f\u8bae\n<ul>\n<li>BGP<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>\u79fb\u52a8IP<\/li>\n<li>\u8def\u7531\u5668<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u628a\u5206\u7ec4\u4ece\u6e90\u7aef\u4f20\u5230\u76ee\u7684\u7aef\uff0c\u4e3a\u5206\u7ec4\u4ea4\u6362\u7f51\u4e0a\u4e3b\u673a\u63d0\u4f9b\u901a\u4fe1\u670d\u52a1\u3002\u4f20\u8f93\u5355\u4f4d\u4e3a\u6570\u636e\u62a5 \u529f\u80fd\uff1a \u8def\u7531\u9009\u62e9\u548c\u5206\u7ec4\u8f6c\u53d1\uff08\u5bfb\u627e\u6700\u4f73\u8def\u5f84\uff09 \u5f02\u6784\u7f51\u7edc\u4e92\u8054 &#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"emotion":"","emotion_color":"","title_style":"","license":"","footnotes":""},"categories":[17,19],"tags":[63],"class_list":["post-337","post","type-post","status-publish","format-standard","hentry","category-17","category-19","tag-63"],"_links":{"self":[{"href":"http:\/\/blog.cyasylum.top\/index.php\/wp-json\/wp\/v2\/posts\/337","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/blog.cyasylum.top\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blog.cyasylum.top\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blog.cyasylum.top\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/blog.cyasylum.top\/index.php\/wp-json\/wp\/v2\/comments?post=337"}],"version-history":[{"count":3,"href":"http:\/\/blog.cyasylum.top\/index.php\/wp-json\/wp\/v2\/posts\/337\/revisions"}],"predecessor-version":[{"id":341,"href":"http:\/\/blog.cyasylum.top\/index.php\/wp-json\/wp\/v2\/posts\/337\/revisions\/341"}],"wp:attachment":[{"href":"http:\/\/blog.cyasylum.top\/index.php\/wp-json\/wp\/v2\/media?parent=337"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blog.cyasylum.top\/index.php\/wp-json\/wp\/v2\/categories?post=337"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blog.cyasylum.top\/index.php\/wp-json\/wp\/v2\/tags?post=337"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}