{"id":97941,"date":"2024-09-18T17:52:22","date_gmt":"2024-09-18T09:52:22","guid":{"rendered":"\/\/www.viralrail.com\/?p=97941"},"modified":"2024-09-18T17:52:25","modified_gmt":"2024-09-18T09:52:25","slug":"pxyssmys","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/97941.html","title":{"rendered":"PPP\u534f\u8bae\u662f\u4ec0\u4e48\u610f\u601d"},"content":{"rendered":"\n<p>\u3000\u3000<strong>PPP\u534f\u8bae\uff0c\u5373\u70b9\u5bf9\u70b9\u534f\u8bae(Point-to-Point Protocol)<\/strong>\uff0c\u662f\u4e00\u79cd\u5e7f\u6cdb\u5e94\u7528\u4e8e\u6570\u636e\u94fe\u8def\u5c42\u7684\u901a\u4fe1\u534f\u8bae\u3002\u5b83\u4e3b\u8981\u7528\u4e8e\u5728\u4e24\u4e2a\u7f51\u7edc\u8282\u70b9\u4e4b\u95f4\u5efa\u7acb\u76f4\u63a5\u8fde\u63a5\u5e76\u4f20\u8f93\u6570\u636e\u5305\u3002<\/p>\n\n\n\n<p>\u3000\u3000PPP\u534f\u8bae\u6700\u521d\u8bbe\u8ba1\u7528\u4e8e\u901a\u8fc7\u62e8\u53f7\u6216\u4e13\u7ebf\u65b9\u5f0f\u5728\u4e24\u4e2a\u5bf9\u7b49\u8282\u70b9\u4e4b\u95f4\u4f20\u8f93IP\u6d41\u91cf\uff0c\u5e76\u66ff\u4ee3\u4e86\u539f\u6765\u7684\u975e\u6807\u51c6\u7b2c\u4e8c\u5c42\u534f\u8baeSLIP\u3002\u5b83\u652f\u6301\u591a\u79cd\u7269\u7406\u4ecb\u8d28\uff0c\u5305\u62ec\u7535\u8bdd\u7ebf\u3001ISDN\u3001\u4e13\u7ebf\u548cATM\u7ebf\u8def\u7b49\u3002PPP\u534f\u8bae\u53ef\u4ee5\u540c\u65f6\u652f\u6301\u5f02\u6b65\u548c\u540c\u6b65\u94fe\u8def\uff0c\u9002\u7528\u4e8e\u5168\u53cc\u5de5\u64cd\u4f5c\u3002<\/p>\n\n\n\n<p>\u3000\u3000PPP\u534f\u8bae\u7684\u4e3b\u8981\u7ec4\u6210\u90e8\u5206\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u94fe\u8def\u63a7\u5236\u534f\u8bae\uff08LCP\uff09<\/strong>&nbsp;\uff1a\u8d1f\u8d23\u5efa\u7acb\u3001\u914d\u7f6e\u548c\u6d4b\u8bd5\u94fe\u8def\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u7f51\u7edc\u63a7\u5236\u534f\u8bae\uff08NCP\uff09<\/strong>&nbsp;\uff1a\u7528\u4e8e\u534f\u5546\u548c\u8bbe\u7f6e\u7f51\u7edc\u5c42\u53c2\u6570\uff0c\u5982IP\u5730\u5740\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u8ba4\u8bc1\u534f\u8bae<\/strong>\uff1a\u5305\u62ecPAP(\u5bc6\u7801\u8ba4\u8bc1\u534f\u8bae)\u548cCHAP(\u6311\u6218\u63e1\u624b\u8ba4\u8bc1\u534f\u8bae)\uff0c\u7528\u4e8e\u7528\u6237\u8eab\u4efd\u9a8c\u8bc1\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000\u6b64\u5916\uff0cPPP\u8fd8\u5177\u6709\u5dee\u9519\u68c0\u6d4b\u529f\u80fd\uff0c\u80fd\u591f\u63d0\u4f9b\u900f\u660e\u4f20\u8f93\u548c\u6570\u636e\u538b\u7f29\u7b49\u529f\u80fd\u3002\u5b83\u5141\u8bb8\u5728\u540c\u4e00\u7269\u7406\u94fe\u8def\u4e0a\u5c01\u88c5\u548c\u4f20\u8f93\u591a\u79cd\u7f51\u7edc\u5c42\u534f\u8bae\uff0c\u4f8b\u5982IP\u548cIPX\u3002<\/p>\n\n\n\n<p>\u3000\u3000PPP\u534f\u8bae\u5e7f\u6cdb\u5e94\u7528\u4e8e\u4e2a\u4eba\u8ba1\u7b97\u673a\u4e0eISP\u4e4b\u95f4\u7684\u8fde\u63a5\u4ee5\u53ca\u9ad8\u901f\u5e7f\u57df\u7f51\u4e2d\u3002\u5176\u4e3b\u8981\u4f18\u70b9\u5728\u4e8e\u5176\u7075\u6d3b\u6027\u548c\u517c\u5bb9\u6027\uff0c\u80fd\u591f\u5728\u4e0d\u540c\u7684\u786c\u4ef6\u73af\u5883\u4e2d\u8fd0\u884c\uff0c\u5e76\u4e14\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u5b89\u5168\u673a\u5236\u6765\u4fdd\u62a4\u6570\u636e\u4f20\u8f93\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 PPP\u534f\u8bae\u7684\u5386\u53f2\u53d1\u5c55\u548c\u6f14\u53d8<\/h2>\n\n\n\n<p>\u3000\u3000PPP\u534f\u8bae(Point-to-Point Protocol)\u7684\u5386\u53f2\u53d1\u5c55\u548c\u6f14\u53d8\u53ef\u4ee5\u8ffd\u6eaf\u523020\u4e16\u7eaa80\u5e74\u4ee3\u672b\u671f\u3002\u5f53\u65f6\uff0c\u4e92\u8054\u7f51\u7f3a\u4e4f\u6709\u6548\u7684\u5c01\u88c5\u534f\u8bae\uff0c\u8fd9\u9650\u5236\u4e86\u4e32\u884c\u7ebf\u8def\u63a5\u5165\u7684\u53d1\u5c55\u3002\u4e3a\u4e86\u5e94\u5bf9\u8fd9\u4e00\u95ee\u9898\uff0cIETF(Internet Engineering Task Force)\u57281989\u5e74\u53d1\u5e03\u4e86RFC 1134.\u8fd9\u662f\u4e0ePPP\u76f8\u5173\u7684\u7b2c\u4e00\u4e2a\u6587\u6863\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u968f\u540e\uff0c\u57281990\u5e74\uff0cIETF\u63d0\u51fa\u4e86RFC 1171.\u8fd9\u662f\u7b2c\u4e00\u4e2a\u6b63\u5f0f\u7684PPP\u6807\u51c6\u3002\u7136\u800c\uff0cPPP\u534f\u8bae\u771f\u6b63\u5f97\u5230\u5e7f\u6cdb\u5e94\u7528\u662f\u57281992\u5e74\uff0c\u5f53\u65f6\u5b83\u88ab\u5236\u5b9a\u4e3a\u56e0\u7279\u7f51\u5de5\u7a0b\u4efb\u52a1\u7ec4\u7684\u6807\u51c6\u3002\u7ecf\u8fc71993\u5e74\u548c1994\u5e74\u7684\u4fee\u8ba2\uff0c\u73b0\u5728\u7684PPP\u534f\u8bae\u5df2\u6210\u4e3a\u56e0\u7279\u7f51\u7684\u6b63\u5f0f\u6807\u51c6\u3002<\/p>\n\n\n\n<p>\u3000\u3000PPP\u534f\u8bae\u6700\u521d\u7531\u7f8e\u56fd\u7684CISCO\u548c\u5176\u4ed6\u516c\u53f8\u5171\u540c\u7814\u53d1\uff0c\u5e76\u4e8e1991\u5e74\u9996\u6b21\u53d1\u5e03\u3002\u5b83\u514b\u670d\u4e86SLIP\u534f\u8bae\u7684\u7f3a\u70b9\uff0c\u5177\u6709\u7b80\u5355\u3001\u53ef\u9760\u7b49\u4f18\u70b9\uff0c\u5e76\u652f\u6301\u591a\u79cd\u7f51\u7edc\u5c42\u534f\u8bae\u548c\u591a\u79cd\u7c7b\u578b\u94fe\u8def\u3002PPP\u534f\u8bae\u7531\u4e09\u4e2a\u4e3b\u8981\u7ec4\u4ef6\u6784\u6210\uff1aLCP(Link Control Protocol)\u3001NCP(Network Control Protocols)\u548c\u8ba4\u8bc1\u534f\u8bae\u3002<\/p>\n\n\n\n<p>\u3000\u3000PPP\u534f\u8bae\u4ece20\u4e16\u7eaa80\u5e74\u4ee3\u672b\u671f\u5f00\u59cb\u53d1\u5c55\uff0c\u7ecf\u5386\u4e86\u591a\u6b21\u4fee\u8ba2\u548c\u5b8c\u5584\uff0c\u6700\u7ec8\u6210\u4e3a\u4e92\u8054\u7f51\u63a5\u5165\u7684\u91cd\u8981\u6807\u51c6\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 PPP\u534f\u8bae\u5728\u73b0\u4ee3\u7f51\u7edc\u6280\u672f\u4e2d\u7684\u5e94\u7528\u6709\u54ea\u4e9b\u65b0\u8fdb\u5c55\u6216\u66ff\u4ee3\u65b9\u6848?<\/h2>\n\n\n\n<p>\u3000\u3000PPP(\u70b9\u5bf9\u70b9\u534f\u8bae)\u5728\u73b0\u4ee3\u7f51\u7edc\u6280\u672f\u4e2d\u7684\u5e94\u7528\u4ecd\u7136\u975e\u5e38\u5e7f\u6cdb\uff0c\u4f46\u968f\u7740\u6280\u672f\u7684\u53d1\u5c55\uff0c\u4e5f\u51fa\u73b0\u4e86\u4e00\u4e9b\u65b0\u8fdb\u5c55\u548c\u66ff\u4ee3\u65b9\u6848\u3002<\/p>\n\n\n\n<p>\u3000\u3000PPP\u534f\u8bae\u6700\u521d\u88ab\u8bbe\u8ba1\u7528\u4e8e\u62e8\u53f7\u8fde\u63a5\u3001\u5e7f\u57df\u7f51\u4ee5\u53ca\u536b\u661f\u901a\u4fe1\u7b49\u9886\u57df\u3002\u5b83\u652f\u6301\u5f02\u6b65\u548c\u540c\u6b65\u901a\u4fe1\uff0c\u5e76\u4e14\u80fd\u591f\u63d0\u4f9b\u7528\u6237\u8ba4\u8bc1\u3001\u6613\u4e8e\u6269\u5c55\u7b49\u529f\u80fd\u3002\u7136\u800c\uff0c\u5728\u5bbd\u5e26\u63a5\u5165\u65b9\u9762\uff0cPPP\u5df2\u7ecf\u884d\u751f\u51fa\u4e86\u4e00\u4e9b\u65b0\u7684\u534f\u8bae\u6765\u6ee1\u8db3\u73b0\u4ee3\u9700\u6c42\u3002\u4f8b\u5982\uff0cPPPoE(\u4ee5\u592a\u7f51\u4e0a\u7684PPP)\u548cPPPoA(ATM\u7f51\u4e0a\u7684PPP)\u5c31\u662f\u5178\u578b\u7684\u4f8b\u5b50\u3002\u8fd9\u4e9b\u534f\u8bae\u4e0d\u4ec5\u4fdd\u7559\u4e86PPP\u7684\u57fa\u672c\u529f\u80fd\uff0c\u8fd8\u8fdb\u4e00\u6b65\u4f18\u5316\u4e86\u6570\u636e\u4f20\u8f93\u6548\u7387\u548c\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u6b64\u5916\uff0cPPP\u534f\u8bae\u4e5f\u5728\u4e0d\u65ad\u6539\u8fdb\u5176\u5b89\u5168\u6027\u548c\u7ba1\u7406\u80fd\u529b\u3002\u65e9\u671f\u7684PPP\u534f\u8bae\u4e3b\u8981\u4f7f\u7528PAP\u548cCHAP\u8fdb\u884c\u8ba4\u8bc1\uff0c\u800c\u73b0\u4ee3\u7248\u672c\u5219\u589e\u52a0\u4e86MS-CHAP\u3001EAP\u7b49\u66f4\u5b89\u5168\u7684\u8ba4\u8bc1\u65b9\u6cd5\u3002\u8fd9\u4f7f\u5f97PPP\u534f\u8bae\u5728\u4fdd\u8bc1\u7f51\u7edc\u8fde\u63a5\u7a33\u5b9a\u6027\u548c\u5b89\u5168\u6027\u65b9\u9762\u66f4\u5177\u4f18\u52bf\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5c3d\u7ba1PPP\u534f\u8bae\u5728\u73b0\u4ee3\u7f51\u7edc\u4e2d\u4f9d\u7136\u626e\u6f14\u91cd\u8981\u89d2\u8272\uff0c\u4f46\u5b83\u4e5f\u9762\u4e34\u7740\u4e00\u4e9b\u66ff\u4ee3\u65b9\u6848\u3002\u4f8b\u5982\uff0cSLIP\u534f\u8bae\u7531\u4e8e\u5176\u529f\u80fd\u9650\u5236\u5df2\u88abPPP\u6240\u53d6\u4ee3\u3002\u53e6\u5916\uff0c\u968f\u7740\u65e0\u7ebf\u7f51\u7edc\u548c\u5149\u7ea4\u63a5\u5165\u6280\u672f\u7684\u53d1\u5c55\uff0cPPP\u534f\u8bae\u7684\u5e94\u7528\u573a\u666f\u4e5f\u5728\u9010\u6e10\u51cf\u5c11\uff0c\u53d6\u800c\u4ee3\u4e4b\u7684\u662f\u66f4\u52a0\u9ad8\u6548\u548c\u7075\u6d3b\u7684\u7f51\u7edc\u63a5\u5165\u6280\u672f\u3002<\/p>\n\n\n\n<p>\u3000\u3000PPP\u534f\u8bae\u5728\u73b0\u4ee3\u7f51\u7edc\u6280\u672f\u4e2d\u4ecd\u7136\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u7ec4\u6210\u90e8\u5206\uff0c\u4f46\u968f\u7740\u6280\u672f\u7684\u8fdb\u6b65\uff0c\u5b83\u4e5f\u5728\u4e0d\u65ad\u5730\u53d1\u5c55\u548c\u5b8c\u5584\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 \u5982\u4f55\u914d\u7f6ePPP\u534f\u8bae\u4ee5\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u7684\u5b89\u5168\u6027?<\/h2>\n\n\n\n<p>\u3000\u3000\u4e3a\u4e86\u63d0\u9ad8PPP\u534f\u8bae\u7684\u6570\u636e\u4f20\u8f93\u5b89\u5168\u6027\uff0c\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u63aa\u65bd\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u4f7f\u7528CHAP\u8ba4\u8bc1<\/strong>\uff1a\u76f8\u8f83\u4e8ePAP\u8ba4\u8bc1\uff0cCHAP(Challenge Handshake Authentication Protocol)\u5728\u8eab\u4efd\u9a8c\u8bc1\u8fc7\u7a0b\u4e2d\u4e0d\u4f20\u8f93\u7528\u6237\u5bc6\u7801\uff0c\u800c\u662f\u901a\u8fc7\u968f\u673a\u6311\u6218\u548c\u54cd\u5e94\u6765\u9a8c\u8bc1\u8eab\u4efd\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u5b89\u5168\u6027\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u542f\u7528\u52a0\u5bc6<\/strong>\uff1aPPP\u534f\u8bae\u652f\u6301\u591a\u79cd\u52a0\u5bc6\u673a\u5236\uff0c\u5982IPSec\uff0c\u4ee5\u786e\u4fdd\u6570\u636e\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u7684\u673a\u5bc6\u6027\u548c\u5b8c\u6574\u6027\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7\u5728PPP\u94fe\u8def\u4e2d\u914d\u7f6e\u52a0\u5bc6\u7b97\u6cd5\u6765\u5b9e\u73b0\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5e27\u6821\u9a8c<\/strong>\uff1aPPP\u534f\u8bae\u901a\u8fc7\u5e27\u6821\u9a8c\u5e8f\u5217(FCS)\u6765\u68c0\u6d4b\u6570\u636e\u5305\u7684\u9519\u8bef\u6216\u7be1\u6539\uff0c\u786e\u4fdd\u6570\u636e\u7684\u5b8c\u6574\u6027\u548c\u51c6\u786e\u6027\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u94fe\u8def\u63a7\u5236\u534f\u8bae\uff08LCP\uff09\u548c\u7f51\u7edc\u63a7\u5236\u534f\u8bae\uff08NCP\uff09<\/strong>&nbsp;\uff1a\u8fd9\u4e9b\u534f\u8bae\u7528\u4e8e\u7ba1\u7406\u548c\u914d\u7f6ePPP\u8fde\u63a5\uff0c\u5305\u62ec\u8eab\u4efd\u9a8c\u8bc1\u3001IP\u5730\u5740\u5206\u914d\u7b49\uff0c\u6709\u52a9\u4e8e\u589e\u5f3a\u5b89\u5168\u6027\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4fdd\u62a4PPP\u76ee\u5f55\u53ca\u5176\u5185\u5bb9<\/strong>\uff1a\u786e\u4fdd\/etc\/ppp\u76ee\u5f55\u53ca\u5176\u5185\u5bb9\u7684\u5b89\u5168\u6027\uff0c\u9632\u6b62\u672a\u6388\u6743\u8bbf\u95ee\u6216\u4fee\u6539PPP\u914d\u7f6e\u6587\u4ef6\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4f7f\u7528\u8f6f\u4ef6\u6d41\u63a7\u5236<\/strong>\uff1a\u542f\u7528\u8f6f\u4ef6\u6d41\u63a7\u5236(\u5982xonxoff\u9009\u9879)\uff0c\u53ef\u4ee5\u5728\u6570\u636e\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u8fdb\u884c\u6d41\u91cf\u63a7\u5236\uff0c\u907f\u514d\u7f13\u51b2\u533a\u6ea2\u51fa\uff0c\u63d0\u9ad8\u901a\u4fe1\u7684\u7a33\u5b9a\u6027\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5b9a\u671f\u66f4\u65b0\u548c\u7ef4\u62a4<\/strong>\uff1a\u5b9a\u671f\u68c0\u67e5\u548c\u66f4\u65b0PPP\u914d\u7f6e\uff0c\u786e\u4fdd\u4f7f\u7528\u6700\u65b0\u7684\u5b89\u5168\u8865\u4e01\u548c\u914d\u7f6e\u9009\u9879\uff0c\u4ee5\u5e94\u5bf9\u65b0\u7684\u5b89\u5168\u5a01\u80c1\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u56db\u3001 PPP\u534f\u8bae\u4e0e\u5176\u4ed6\u70b9\u5bf9\u70b9\u901a\u4fe1\u534f\u8bae(\u5982SLIP)\u76f8\u6bd4\u6709\u54ea\u4e9b\u4f18\u52bf\u548c\u52a3\u52bf?<\/h2>\n\n\n\n<p>\u3000\u3000PPP\u534f\u8bae(Point-to-Point Protocol)\u4e0eSLIP(Serial Line Internet Protocol)\u76f8\u6bd4\uff0c\u5177\u6709\u591a\u65b9\u9762\u7684\u4f18\u52bf\u548c\u52a3\u52bf\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001. \u4f18\u52bf\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u652f\u6301\u591a\u79cd\u534f\u8bae<\/strong>\uff1aPPP\u4e0d\u4ec5\u652f\u6301IP\u534f\u8bae\uff0c\u8fd8\u53ef\u4ee5\u5728\u5355\u6839\u4e32\u884c\u7ebf\u8def\u4e0a\u8fd0\u884c\u5176\u4ed6\u591a\u79cd\u534f\u8bae\u3002\u8fd9\u4f7f\u5f97PPP\u6bd4SLIP\u66f4\u52a0\u7075\u6d3b\u548c\u5f3a\u5927\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u9519\u8bef\u68c0\u6d4b\u548c\u6062\u590d<\/strong>\uff1aPPP\u63d0\u4f9b\u5faa\u73af\u5197\u4f59\u6821\u9a8c(CRC)\uff0c\u53ef\u4ee5\u8fdb\u884c\u5dee\u9519\u68c0\u6d4b\u548c\u6062\u590d\uff0c\u800cSLIP\u5219\u6ca1\u6709\u8fd9\u4e9b\u529f\u80fd\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u52a8\u6001IP\u5730\u5740\u5206\u914d<\/strong>\uff1aPPP\u5141\u8bb8\u901a\u4fe1\u53cc\u65b9\u52a8\u6001\u534f\u5546IP\u5730\u5740\uff0c\u4f7f\u7528IP\u7f51\u7edc\u63a7\u5236\u534f\u8bae(LCP)\uff0c\u4ece\u800c\u7b80\u5316\u4e86\u7f51\u7edc\u914d\u7f6e\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u8ba4\u8bc1\u529f\u80fd<\/strong>\uff1aPPP\u5177\u5907\u7528\u6237\u9a8c\u8bc1\u80fd\u529b\uff0c\u53ef\u4ee5\u901a\u8fc7PAP(Password Authentication Protocol)\u6216CHAP(Challenge Handshake Authentication Protocol)\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u538b\u7f29\u62a5\u6587\u9996\u90e8<\/strong>\uff1aPPP\u5bf9TCP\u548cIP\u62a5\u6587\u7684\u9996\u90e8\u8fdb\u884c\u4e86\u538b\u7f29\uff0c\u51cf\u5c11\u4e86\u6570\u636e\u4f20\u8f93\u7684\u5f00\u9500\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u94fe\u8def\u63a7\u5236\u534f\u8bae<\/strong>\uff1aPPP\u5305\u542b\u94fe\u8def\u63a7\u5236\u534f\u8bae\u7c07(LCP)\uff0c\u53ef\u4ee5\u5bf9\u591a\u4e2a\u6570\u636e\u94fe\u8def\u9009\u9879\u8fdb\u884c\u8bbe\u7f6e\uff0c\u589e\u5f3a\u4e86\u5176\u7075\u6d3b\u6027\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002. \u52a3\u52bf\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u5f00\u9500\u8f83\u5927<\/strong>\uff1aPPP\u534f\u8bae\u5728\u6570\u636e\u5305\u5934\u90e8\u7684\u5f00\u9500\u8f83\u5927\uff0c\u4f1a\u589e\u52a0\u7f51\u7edc\u4f20\u8f93\u7684\u8d1f\u62c5\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u914d\u7f6e\u590d\u6742<\/strong>\uff1aPPP\u534f\u8bae\u7684\u914d\u7f6e\u76f8\u5bf9\u590d\u6742\uff0c\u9700\u8981\u66f4\u591a\u7684\u8bbe\u7f6e\u6b65\u9aa4\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u8fc7\u65f6\u6027<\/strong>\uff1a\u5c3d\u7ba1PPP\u6709\u8bb8\u591a\u4f18\u70b9\uff0c\u4f46SLIP\u7531\u4e8e\u5176\u8f83\u5c0f\u7684\u5f00\u9500\u548c\u7b80\u5355\u7684\u5b9e\u73b0\uff0c\u5728\u67d0\u4e9b\u5e94\u7528\u573a\u666f\u4e2d\u4ecd\u7136\u88ab\u4f7f\u7528\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e94\u3001 PPP\u534f\u8bae\u7684\u5dee\u9519\u68c0\u6d4b\u673a\u5236<\/h2>\n\n\n\n<p>\u3000\u3000PPP\u534f\u8bae\u7684\u5dee\u9519\u68c0\u6d4b\u673a\u5236\u4e3b\u8981\u901a\u8fc7\u5e27\u68c0\u9a8c\u5e8f\u5217(Frame Check Sequence, FCS)\u6765\u5b9e\u73b0\u3002FCS\u662f\u4e00\u79cd\u5faa\u73af\u5197\u4f59\u6821\u9a8c(Cyclic Redundancy Check, CRC)\uff0c\u7528\u4e8e\u5728\u6570\u636e\u94fe\u8def\u5c42\u68c0\u6d4b\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u7684\u9519\u8bef\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5177\u4f53\u6765\u8bf4\uff0cPPP\u534f\u8bae\u5728\u6bcf\u4e2a\u5e27\u7684\u672b\u5c3e\u6dfb\u52a0\u4e00\u4e2aFCS\u5b57\u6bb5\uff0c\u8be5\u5b57\u6bb5\u662f\u901a\u8fc7\u5bf9\u5e27\u5185\u5bb9\u8fdb\u884cCRC\u8ba1\u7b97\u5f97\u5230\u7684\u3002\u63a5\u6536\u7aef\u5728\u63a5\u6536\u5230\u5e27\u540e\uff0c\u540c\u6837\u5bf9\u5e27\u5185\u5bb9\u8fdb\u884cCRC\u8ba1\u7b97\uff0c\u5e76\u5c06\u7ed3\u679c\u4e0e\u63a5\u6536\u5230\u7684FCS\u5b57\u6bb5\u8fdb\u884c\u6bd4\u8f83\u3002\u5982\u679c\u4e24\u8005\u4e00\u81f4\uff0c\u5219\u8ba4\u4e3a\u5e27\u6ca1\u6709\u53d1\u751f\u9519\u8bef;\u5982\u679c\u4e0d\u4e00\u81f4\uff0c\u5219\u8bf4\u660e\u5e27\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u53d1\u751f\u4e86\u5dee\u9519\uff0c\u63a5\u6536\u7aef\u4f1a\u7acb\u5373\u4e22\u5f03\u8fd9\u4e2a\u6709\u5dee\u9519\u7684\u5e27\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u6b64\u5916\uff0cPPP\u534f\u8bae\u8fd8\u5fc5\u987b\u80fd\u591f\u53ca\u65f6\u81ea\u52a8\u68c0\u6d4b\u51fa\u94fe\u8def\u662f\u5426\u5904\u4e8e\u6b63\u5e38\u5de5\u4f5c\u72b6\u6001\uff0c\u5e76\u5728\u51fa\u73b0\u6545\u969c\u65f6\u53ca\u65f6\u6062\u590d\u3002\u8fd9\u79cd\u673a\u5236\u786e\u4fdd\u4e86\u6570\u636e\u4f20\u8f93\u7684\u53ef\u9760\u6027\uff0c\u964d\u4f4e\u4e86\u6570\u636e\u4e22\u5931\u6216\u635f\u574f\u7684\u98ce\u9669\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cPPP\u534f\u8bae\u4e0d\u4f7f\u7528\u5e8f\u53f7\u548c\u786e\u8ba4\u673a\u5236\uff0c\u56e0\u6b64\u5b83\u4e0d\u63d0\u4f9b\u53ef\u9760\u4f20\u8f93\u7684\u670d\u52a1\uff0c\u53ea\u4fdd\u8bc1\u65e0\u5dee\u9519\u63a5\u6536\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PPP\u534f\u8bae\uff0c\u5373\u70b9\u5bf9\u70b9\u534f\u8bae(Point-to-Point Protocol)\uff0c\u662f\u4e00\u79cd\u5e7f\u6cdb\u5e94\u7528\u4e8e\u6570\u636e\u94fe\u8def\u5c42\u7684\u901a\u4fe1\u534f\u8bae\u3002\u5b83\u4e3b\u8981\u7528\u4e8e\u5728\u4e24\u4e2a\u7f51\u7edc\u8282\u70b9\u4e4b\u95f4\u5efa\u7acb\u76f4\u63a5\u8fde\u63a5\u5e76\u4f20\u8f93\u6570\u636e\u5305\u3002<\/p>\n","protected":false},"author":1,"featured_media":97466,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"categories":[36],"tags":[249],"class_list":["post-97941","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-ddd"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/97941"}],"collection":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/comments?post=97941"}],"version-history":[{"count":0,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/97941\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/97466"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=97941"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=97941"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=97941"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}