Looking Glass \u4e0e\u672c\u5730 Ping \u7684\u5b9a\u4e49<\/strong><\/h2>\n

Looking Glass \u6d4b\u8bd5\u80fd\u770b\u5230\u4ec0\u4e48<\/h3>\n

Looking Glass \u6d4b\u8bd5\u4e3a\u4f60\u63d0\u4f9b\u4e00\u4e2a\u4ece\u8fdc\u7a0b\u670d\u52a1\u5668\u89c6\u89d2\u89c2\u5bdf\u81ea\u5df1\u7f51\u7edc\u7684\u201c\u7a97\u53e3\u201d\u3002\u4f60\u901a\u8fc7 ISP \u6216\u7f51\u7edc\u8fd0\u8425\u5546\u63d0\u4f9b\u7684\u7f51\u9875\u754c\u9762\uff0c\u4ece\u8be5\u8fdc\u7a0b\u8282\u70b9\u4e0a\u8fd0\u884c ping\u3001traceroute \u6216\u6d4b\u901f\u7b49\u547d\u4ee4\u3002\u670d\u52a1\u5668\u5411\u4f60\u7684 IP \u5730\u5740\u53d1\u9001\u6570\u636e\u5305\uff0c\u5728\u8fd4\u56de\u8def\u5f84\u4e0a\u6d4b\u91cf\u5f80\u8fd4\u65f6\u95f4\u5e76\u7edf\u8ba1\u4e22\u5305\u7387\u3002\u7531\u4e8e\u65b9\u5411\u662f\u4ece\u8fdc\u7a0b\u670d\u52a1\u5668\u5230\u4f60\uff0c\u8fd9\u80fd\u8ba9\u4f60\u770b\u5230\u7684\u662f\u670d\u52a1\u5668\u7aef\u773c\u4e2d\u7684\u4e92\u8054\u7f51\u8def\u5f84\uff0c\u800c\u4e0d\u662f\u4f60\u5ba2\u5385\u91cc\u7684\u89c6\u89d2\u3002<\/p>\n

\u53ef\u4ee5\u628a\u5b83\u60f3\u8c61\u6210\uff1a\u4ece\u4e00\u5ea7\u8fdc\u65b9\u57ce\u5e02\u68c0\u67e5\u56de\u5230\u4f60\u5bb6\u8f66\u9053\u7684\u6574\u6761\u9ad8\u901f\u516c\u8def\uff0c\u4f60\u80fd\u4e86\u89e3\u6cbf\u9014\u7684\u62e5\u5835\u3001\u963b\u585e\u6216\u4e2d\u65ad\u60c5\u51b5\u3002Looking Glass \u4ece\u8fdc\u7a0b\u670d\u52a1\u5668\u7684\u89c6\u89d2\u6d4b\u91cf\u7f51\u7edc\u5ef6\u8fdf\u548c\u4e22\u5305\uff0c\u66b4\u9732\u51fa\u4ece\u4f60\u672c\u5730\u770b\u4e0d\u5230\u7684\u95ee\u9898\u3002\u4f8b\u5982\uff0c\u4f60\u53ef\u80fd\u4f1a\u53d1\u73b0\uff0c\u867d\u7136\u5bb6\u5ead\u7f51\u7edc\u5b8c\u5168\u6b63\u5e38\uff0c\u4f46 ISP \u7684\u4e0a\u6e38\u8fde\u63a5\u5728\u9ad8\u5cf0\u671f\u4e25\u91cd\u62e5\u585e\u3002<\/p>\n

\n\n\n\n<\/colgroup>\n\n\n\n\n\n\n

\u6307\u6807<\/th>\n	\u4f60\u770b\u5230\u7684\u5185\u5bb9<\/th>\n<\/tr>\n
\u5ef6\u8fdf<\/td>\n	\u4ece\u670d\u52a1\u5668\u5230\u4f60 IP \u7684\u5f80\u8fd4\u65f6\u95f4\uff08\u4f8b\u5982\u5e73\u5747 110 ms\uff09<\/td>\n<\/tr>\n
\u4e22\u5305<\/td>\n	\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u672a\u80fd\u5230\u8fbe\u7684\u5305\u7684\u767e\u5206\u6bd4<\/td>\n<\/tr>\n
\u541e\u5410\u91cf<\/td>\n	\u901a\u8fc7\u4e0b\u8f7d\u6d4b\u8bd5\u6587\u4ef6\u5f97\u5230\u7684\u4e0b\u8f7d\u901f\u5ea6\uff08\u4f8b\u5982 1GB \u6587\u4ef6\uff09<\/td>\n<\/tr>\n
\u7f51\u7edc\u8def\u5f84<\/td>\n	\u4ece\u670d\u52a1\u5668\u6240\u5728\u7f51\u7edc\u5230\u4f60\u6240\u5728\u7f51\u7edc\u7684\u8def\u7531\u8def\u5f84<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n Looking Glass \u8fd8\u652f\u6301\u4f7f\u7528 ping6 \u8fdb\u884c IPv6 \u6d4b\u8bd5\uff0c\u5e2e\u52a9\u4f60\u540c\u65f6\u638c\u63e1 IPv4 \u548c IPv6 \u7684\u6574\u4f53\u60c5\u51b5\u3002\u8fd9\u4e2a\u5de5\u5177\u7279\u522b\u9002\u5408\u7528\u6765\u8bca\u65ad\u4e92\u8054\u7f51\u8def\u5f84\u95ee\u9898\u3001\u670d\u52a1\u5668\u7aef\u62e5\u585e\u4ee5\u53ca\u975e\u5bf9\u79f0\u8def\u7531\u7b49\u6545\u969c\u3002<\/p>\n \u672c\u5730 Ping \u6d4b\u91cf\u7684\u662f\u4ec0\u4e48<\/h3>\n \u672c\u5730 ping \u7684\u6d4b\u8bd5\u8303\u56f4\u8981\u5c0f\u5f97\u591a\u3002\u4f60\u4ece\u7535\u8111\u5411\u81ea\u5df1\u7684\u8def\u7531\u5668\u6216\u5149\u732b\u53d1\u9001 ICMP Echo Request\uff08\u56de\u663e\u8bf7\u6c42\uff09\u62a5\u6587\uff0c\u901a\u5e38\u76ee\u6807\u5730\u5740\u4e3a 192.168.1.1 \u7b49\u3002\u8def\u7531\u5668\u8fd4\u56de ICMP Echo Reply\uff08\u56de\u663e\u5e94\u7b54\uff09\uff0c\u7cfb\u7edf\u6839\u636e\u53d1\u9001\u5230\u63a5\u6536\u7684\u65f6\u95f4\u5dee\u8ba1\u7b97\u5f80\u8fd4\u65f6\u5ef6\uff08RTT\uff09\u3002\u8fd9\u4e2a\u7b80\u5355\u6d4b\u8bd5\u53ef\u4ee5\u9a8c\u8bc1\u8fde\u901a\u6027\uff0c\u6d4b\u91cf\u5ef6\u8fdf\u5e76\u7edf\u8ba1\u672c\u5730\u7f51\u7edc\u4e2d\u7684\u4e22\u5305\u60c5\u51b5\u3002<\/p>\n \u4f60\u770b\u5230\u7684 RTT \u4e0d\u4ec5\u5305\u542b\u7f51\u7edc\u4f20\u8f93\u5ef6\u8fdf\uff0c\u8fd8\u5305\u62ec\u8def\u7531\u5668\u4ee5\u53ca\u4e2d\u95f4\u8bbe\u5907\u7684\u5904\u7406\u65f6\u95f4\u3002\u5bf9\u4e8e\u672c\u5730\u8fde\u63a5\uff0c\u5e94\u5f53\u671f\u671b\u5ef6\u8fdf\u975e\u5e38\u4f4e\u3002\u5149\u7ea4\u63a5\u5165\u901a\u5e38\u5728 1\u20135 \u6beb\u79d2\u4e4b\u95f4\uff0c\u5c40\u57df\u7f51\uff08LAN\uff09\u4e00\u822c\u5e94\u4f4e\u4e8e 5 \u6beb\u79d2\u3002\u5982\u679c\u660e\u663e\u9ad8\u4e8e\u8fd9\u4e2a\u8303\u56f4\uff0c\u5f88\u53ef\u80fd\u662f Wi\u2011Fi \u5e72\u6270\u3001\u7f51\u7ebf\u635f\u574f\u6216\u8def\u7531\u5668\u62e5\u585e\u5bfc\u81f4\u7684\u95ee\u9898\u3002<\/p>\n \u672c\u5730 ping \u8fd8\u53ef\u4ee5\u901a\u8fc7\u56de\u73af\u5730\u5740 127.0.0.1 \u6d4b\u8bd5\u4f60\u81ea\u5df1\u7535\u8111\u7684 TCP\/IP \u534f\u8bae\u6808\uff0c\u4ee5\u786e\u8ba4\u7f51\u7edc\u8f6f\u4ef6\u672c\u8eab\u5de5\u4f5c\u6b63\u5e38\u3002\u867d\u7136\u672c\u5730 ping \u65e0\u6cd5\u6d4b\u91cf\u7f51\u7edc\u901f\u5ea6\u6216\u541e\u5410\u91cf\uff0c\u4f46\u5b83\u662f\u6392\u67e5\u672c\u5730\u7f51\u7edc\u5065\u5eb7\u72b6\u51b5\u7684\u7b2c\u4e00\u9053\u5173\u53e3\uff1a\u5148\u5feb\u901f\u6392\u9664\u5185\u90e8\u6545\u969c\uff0c\u518d\u5728\u9700\u8981\u66f4\u5e7f\u89c6\u89d2\u65f6\u8f6c\u5411 Looking Glass \u6d4b\u8bd5\u3002<\/p>\n \u65b9\u5411\u4e0a\u7684\u5dee\u5f02\uff1a\u8fdc\u7a0b\u670d\u52a1\u5668\u89c6\u89d2 vs \u672c\u5730\u89c6\u89d2<\/strong><\/h2>\n Looking Glass \u5982\u4f55\u4ece\u8fdc\u7a0b\u670d\u52a1\u5668\u89c6\u89d2\u6d4b\u91cf\u5ef6\u8fdf\u548c\u4e22\u5305<\/h3>\n Looking Glass \u662f\u4ece\u8fdc\u7a0b\u670d\u52a1\u5668\u7684\u89c6\u89d2\u6765\u6d4b\u91cf\u7f51\u7edc\u5ef6\u8fdf\u548c\u4e22\u5305\u7684\u3002\u8fd9\u79cd\u201c\u65b9\u5411\u201d\u975e\u5e38\u5173\u952e\uff0c\u56e0\u4e3a\u5b83\u5c55\u793a\u7684\u662f\u4ece\u670d\u52a1\u5668\u7aef\u770b\u51fa\u53bb\u7684\u4e92\u8054\u7f51\u8def\u5f84\u3002\u5f53\u4f60\u8fd0\u884c Looking Glass \u6d4b\u8bd5\u65f6\uff0c\u8fdc\u7a0b\u670d\u52a1\u5668\u5411\u4f60\u7684 IP \u53d1\u9001 ICMP Echo Request \u62a5\u6587\uff0c\u518d\u7b49\u5f85\u4f60\u7684\u8bbe\u5907\u8fd4\u56de Echo Reply\u3002\u5f80\u8fd4\u65f6\u95f4\uff08RTT\uff09\u5c31\u662f\u4ece\u53d1\u51fa\u8bf7\u6c42\u5230\u6536\u5230\u5e94\u7b54\u4e4b\u95f4\u7684\u65f6\u95f4\u3002<\/p>\n \u8bbe\u60f3\u4e00\u4e2a\u5728\u7ebd\u7ea6\u7684\u7528\u6237\uff0c\u8bbf\u95ee\u52a0\u5dde\u7684\u4e00\u53f0\u670d\u52a1\u5668\u65f6\u611f\u89c9\u5ef6\u8fdf\u5f88\u9ad8\u3002\u672c\u5730 ping \u5230\u5bb6\u7528\u8def\u7531\u5668\u53ef\u80fd\u53ea\u6709 1ms\uff0c\u8bf4\u660e\u5bb6\u5ead\u7f51\u7edc\u5065\u5eb7\uff1b\u800c\u4ece\u52a0\u5dde\u670d\u52a1\u5668\u8fd0\u884c\u7684 Looking Glass \u6d4b\u8bd5\u5374\u53ef\u80fd\u663e\u793a\u56de\u5230\u8be5\u7528\u6237\u7684 RTT \u4e3a 200ms\u3002\u8fd9\u79cd\u5dee\u5f02\u5c31\u76f4\u63a5\u6307\u5411\u4e92\u8054\u7f51\u8def\u5f84\u4e0a\u7684\u95ee\u9898\u3002<\/p>\n \u8fd9\u7c7b\u60c5\u51b5\u5f80\u5f80\u548c BGP \u90bb\u63a5\u6709\u5173\u3002\u8fd0\u8425\u5546\u5728\u505a\u8def\u7531\u51b3\u7b56\u65f6\uff0c\u5e38\u5e38\u57fa\u4e8e\u6210\u672c\u6216\u653f\u7b56\uff0c\u800c\u4e0d\u662f\u6700\u4f18\u8def\u5f84\uff0c\u4ece\u800c\u5728\u4e0d\u540c\u5730\u57df\u4e4b\u95f4\u5f62\u6210\u5e76\u4e0d\u7406\u60f3\u7684\u8def\u7531\u3002\u901a\u8fc7 Looking Glass \u8def\u7531\u5668\uff0c\u4f60\u53ef\u4ee5\u4ece\u591a\u4e2a\u89c2\u5bdf\u70b9\u67e5\u770b\u771f\u5b9e\u7684\u8def\u7531\u8def\u5f84\uff0c\u5e76\u5728\u4e0d\u540c\u5730\u533a\u7684 Looking Glass \u5de5\u5177\u4e4b\u95f4\u5bf9\u6bd4\u7ed3\u679c\u3002\u5ef6\u8fdf\u3001\u8df3\u6570\u7684\u5dee\u5f02\u80fd\u5e2e\u52a9\u4f60\u9501\u5b9a ISP \u4e4b\u95f4\u7684\u5bf9\u7b49\u8fde\u63a5\u95ee\u9898\u662f\u6839\u56e0\u3002\u8fd9\u6837\u5c31\u80fd\u53d1\u73b0\u672c\u5730\u89c6\u89d2\u4e0b\u5b8c\u5168\u770b\u4e0d\u5230\u7684\u74f6\u9888\u3002<\/p>\n Looking Glass \u4ece\u8fdc\u7a0b\u670d\u52a1\u5668\u89c6\u89d2\u6d4b\u91cf\u7f51\u7edc\u5ef6\u8fdf\u548c\u4e22\u5305\uff0c\u53ef\u4ee5\u8ba9\u4f60\u6e05\u695a\u770b\u5230\u670d\u52a1\u5668\u7aef\u7684\u62e5\u585e\u6216\u975e\u5bf9\u79f0\u8def\u7531\u95ee\u9898\uff0c\u4f60\u770b\u5230\u7684\u662f\u90a3\u5ea7\u8fdc\u65b9\u57ce\u5e02\u201c\u773c\u4e2d\u7684\u4e92\u8054\u7f51\u201d\u3002<\/p>\n \u672c\u5730 Ping \u5982\u4f55\u4ece\u7528\u6237\u8bbe\u5907\u89c6\u89d2\u6d4b\u91cf<\/h3>\n \u672c\u5730 ping \u5219\u521a\u597d\u76f8\u53cd\uff0c\u662f\u4ece\u4f60\u7684\u8bbe\u5907\u5411\u5916\u53d1\u8d77\u3002\u4f60\u7684\u7535\u8111\u5411\u8def\u7531\u5668\u6216\u5149\u732b\u53d1\u9001 ICMP Echo Request\uff08\u7c7b\u578b 8\uff09\u62a5\u6587\uff0c\u8def\u7531\u5668\u518d\u8fd4\u56de ICMP Echo Reply\uff08\u7c7b\u578b 0\uff09\u3002\u7cfb\u7edf\u6839\u636e\u8bf7\u6c42\u53d1\u51fa\u4e0e\u5e94\u7b54\u5230\u8fbe\u7684\u65f6\u95f4\u5dee\u6765\u8ba1\u7b97\u5f80\u8fd4\u65f6\u5ef6\uff08RTT\uff09\u3002<\/p>\n \u8fd9\u4e2a\u65b9\u5411\u53ea\u8986\u76d6\u4f60\u7684\u672c\u5730\u7f51\u7edc\u6bb5\uff1a\u4f60\u6d4b\u8bd5\u7684\u662f\u8bbe\u5907\u5230\u7f51\u5173\u4e4b\u95f4\u7684\u8def\u5f84\uff0c\u4ec5\u6b64\u800c\u5df2\u3002\u7ed3\u679c\u544a\u8bc9\u4f60\u7684\u53ea\u662f\u201c\u81ea\u5bb6\u8f66\u9053\u201d\u7684\u60c5\u51b5\uff0c\u800c\u4e0d\u662f\u5916\u9762\u7684\u201c\u9ad8\u901f\u516c\u8def\u201d\u3002<\/p>\n \u672c\u5730 ping \u68c0\u6d4b\u5230\u4e22\u5305\u65f6\uff0c\u53ef\u80fd\u7684\u539f\u56e0\u5305\u62ec\uff1a\u8def\u7531\u5668\u6216\u4ea4\u6362\u673a\u5728\u62e5\u585e\u65f6\u4e22\u5305\uff1b\u635f\u574f\u7684\u7f51\u7ebf\u3001\u8001\u5316\u7684\u7f51\u53e3\u6216\u7f51\u5361\u7b49\u786c\u4ef6\u6545\u969c\uff1bWi\u2011Fi \u4fe1\u53f7\u8870\u51cf\u3001\u5e72\u6270\u6216\u8ddd\u79bb\u8fc7\u8fdc\uff1b\u4ee5\u53ca\u8def\u7531\u5668\u56fa\u4ef6\u8fc7\u65e7\u3001\u9a71\u52a8 Bug \u6216\u9632\u706b\u5899\u8fc7\u4e8e\u6fc0\u8fdb\u7b49\u8f6f\u4ef6\u95ee\u9898\u3002\u81f3\u4e8e ISP \u6545\u969c\u6216\u670d\u52a1\u5668\u7aef\u95ee\u9898\uff0c\u5219\u90fd\u5728\u4f60\u7684\u5bb6\u5ead\u7f51\u7edc\u63a7\u5236\u8303\u56f4\u4e4b\u5916\uff0c\u672c\u5730 ping \u770b\u4e0d\u5230\u3002<\/p>\n \u672c\u5730 ping \u65e0\u6cd5\u6d4b\u8bd5\u5230\u8fdc\u7a0b\u76ee\u7684\u5730\u7684\u5ef6\u8fdf\uff0c\u4f60\u9700\u8981\u7528 Looking Glass \u6765\u83b7\u5f97\u66f4\u5e7f\u9614\u7684\u89c6\u89d2\u3002\u56e0\u6b64\uff0c\u672c\u5730 ping \u9002\u5408\u4f5c\u4e3a\u7b2c\u4e00\u9053\u5065\u5eb7\u68c0\u67e5\uff0c\u7528\u6765\u8fc5\u901f\u6392\u9664\u672c\u5730\u6545\u969c\uff0c\u518d\u501f\u52a9 Looking Glass \u67e5\u770b\u66f4\u8fdc\u7aef\u7684\u8def\u5f84\u3002<\/p>\n \u6b63\u662f\u7531\u4e8e\u8fd9\u4e24\u79cd\u5de5\u5177\u7684\u65b9\u5411\u4e0d\u540c\uff0c\u4f60\u624d\u80fd\u66f4\u6709\u6548\u5730\u8bca\u65ad\u95ee\u9898\uff1a\u5148\u7528\u672c\u5730 ping \u786e\u8ba4\u672c\u5730\u7f51\u7edc\u6ca1\u95ee\u9898\uff0c\u518d\u7528 Looking Glass \u68c0\u67e5\u4e92\u8054\u7f51\u8def\u5f84\uff0c\u4e24\u8005\u7ed3\u5408\uff0c\u5c31\u80fd\u5224\u65ad\u95ee\u9898\u7a76\u7adf\u51fa\u5728\u4ec0\u4e48\u4f4d\u7f6e\u3002<\/p>\n \u6307\u6807\u4e0e\u5de5\u5177\uff1a\u5404\u81ea\u80fd\u63d0\u4f9b\u4ec0\u4e48<\/strong><\/h2>\n Looking Glass \u4e2d\u7684\u5ef6\u8fdf\u3001\u4e22\u5305\u4e0e\u541e\u5410\u91cf<\/h3>\n Looking Glass \u6d4b\u8bd5\u63d0\u4f9b\u591a\u9879\u7528\u4e8e\u4e92\u8054\u7f51\u8def\u5f84\u8bca\u65ad\u7684\u6307\u6807\uff1a\u5ef6\u8fdf\u3001\u4e22\u5305\u7387\u3001\u541e\u5410\u91cf\u4ee5\u53ca\u6296\u52a8\u3002\u6296\u52a8\u6307\u7684\u662f\u5f80\u8fd4\u65f6\u95f4\u7684\u6ce2\u52a8\u5e45\u5ea6\uff0c\u5373\u4f7f\u5e73\u5747\u5ef6\u8fdf\u770b\u8d77\u6765\u6b63\u5e38\uff0c\u9ad8\u6296\u52a8\u4e5f\u4f1a\u5bfc\u81f4\u89c6\u9891\u4f1a\u8bae\u5361\u987f\u3002\u541e\u5410\u91cf\u5219\u662f\u4f60\u771f\u6b63\u4f53\u9a8c\u5230\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u901a\u5e38\u56e0\u4e3a\u62e5\u585e\u3001\u4e22\u5305\u6216\u9ad8\u5ef6\u8fdf\u800c\u4f4e\u4e8e\u7406\u8bba\u5e26\u5bbd\uff0c\u5de5\u5177\u4f1a\u4ee5 Mbps \u62a5\u544a\u8fd9\u4e00\u6570\u503c\uff0c\u8ba9\u4f60\u4e00\u773c\u770b\u51fa\u5b9e\u9645\u7f51\u901f\u3002<\/p>\n \u5e38\u7528\u5de5\u5177\u5305\u62ec ping\u3001traceroute \u548c MTR \u5206\u6790\u3002\u4f60\u53ef\u4ee5\u5728\u754c\u9762\u4e2d\u8f93\u5165 IP \u5730\u5740\u5e76\u70b9\u51fb\u6309\u94ae\u8fd0\u884c ping\uff0c\u4ee5\u6d4b\u8bd5\u5ef6\u8fdf\uff0c\u4f8b\u5982\u5f97\u5230\u5e73\u5747 110 ms \u7684\u7ed3\u679c\u3002\u5bf9\u4e8e IPv6 \u7f51\u7edc\uff0c\u9009\u62e9 ping6 \u9009\u9879\u5373\u53ef\u6d4b\u8bd5\u5ef6\u8fdf\u3002\u754c\u9762\u8fd8\u652f\u6301\u901a\u8fc7\u4e0b\u8f7d\u4e0d\u540c\u5927\u5c0f\u7684\u6d4b\u8bd5\u6587\u4ef6\uff08\u5982 1GB\uff09\u6765\u8fdb\u884c\u541e\u5410\u91cf\u6d4b\u8bd5\u3002Looking Glass \u4ece\u8fdc\u7a0b\u670d\u52a1\u5668\u7684\u89c6\u89d2\u6d4b\u91cf\u7f51\u7edc\u5ef6\u8fdf\u548c\u4e22\u5305\uff0c\u5b8c\u6574\u5c55\u793a\u4ece\u670d\u52a1\u5668\u5230\u4f60\u4f4d\u7f6e\u7684\u6574\u6761\u8def\u5f84\uff0c\u5e2e\u52a9\u4f60\u8bc6\u522b\u670d\u52a1\u5668\u7aef\u62e5\u585e\u6216\u8def\u7531\u95ee\u9898\u3002<\/p>\n \u672c\u5730 Ping \u4e2d\u7684\u5ef6\u8fdf\u4e0e\u4e22\u5305<\/h3>\n \u672c\u5730 ping \u63d0\u4f9b\u7684\u6307\u6807\u66f4\u7b80\u5355\uff1a\u53ea\u6709\u5ef6\u8fdf\u548c\u4e22\u5305\uff0c\u6ca1\u6709\u541e\u5410\u91cf\u3001\u6296\u52a8\u6216\u7f51\u7edc\u901f\u5ea6\u7684\u6d4b\u91cf\u3002\u4f60\u53ea\u9700 ping \u5230\u8def\u7531\u5668\u7684 IP \u5730\u5740\uff0c\u7cfb\u7edf\u5c31\u4f1a\u7ed9\u51fa\u5f80\u8fd4\u65f6\u95f4\u4ee5\u53ca\u4e22\u5305\u767e\u5206\u6bd4\u3002\u8fd9\u79cd\u7b80\u5355\u6027\u4f7f\u5b83\u6210\u4e3a\u672c\u5730\u7f51\u7edc\u5feb\u901f\u5065\u5eb7\u68c0\u67e5\u7684\u7406\u60f3\u5de5\u5177\u3002<\/p>\n \u4e22\u5305\u7387\u7684\u9608\u503c\u6709\u52a9\u4e8e\u4f60\u89e3\u8bfb\u7ed3\u679c\uff1a0% \u662f\u7406\u60f3\u72b6\u6001\uff1b0.1% \u5728\u89c6\u9891\u901a\u8bdd\u4e2d\u51e0\u4e4e\u96be\u4ee5\u5bdf\u89c9\uff1b1% \u65f6\uff0cVoIP \u4e0e\u6e38\u620f\u4f53\u9a8c\u4f1a\u5f00\u59cb\u53d8\u5dee\uff1b2\u20133% \u4f1a\u51fa\u73b0\u660e\u663e\u8d28\u91cf\u95ee\u9898\uff1b5% \u4ee5\u4e0a\u5219\u4f1a\u4e25\u91cd\u6076\u5316\uff0c\u5927\u591a\u6570\u5b9e\u65f6\u5e94\u7528\u51e0\u4e4e\u4e0d\u53ef\u7528\uff1b10% \u65f6\uff0c\u5bf9\u4ea4\u4e92\u6765\u8bf4\u51e0\u4e4e\u7b49\u540c\u4e8e\u65ad\u7ebf\u3002\u4efb\u4f55\u9ad8\u4e8e 0% \u7684\u4e22\u5305\u90fd\u53ef\u80fd\u610f\u5473\u7740 Wi\u2011Fi \u5e72\u6270\u3001\u7f51\u7ebf\u6545\u969c\u6216\u8def\u7531\u5668\u62e5\u585e\u7b49\u95ee\u9898\u3002<\/p>\n \u672c\u5730 ping \u65e0\u6cd5\u6d4b\u8bd5\u5230\u8fdc\u7a0b\u76ee\u7684\u5730\u7684\u5ef6\u8fdf\uff0c\u4f60\u53ea\u80fd\u770b\u5230\u5230\u8def\u7531\u5668\u8fd9\u4e00\u5c0f\u6bb5\u8def\u5f84\u3002\u56e0\u6b64\uff0c\u5b83\u66f4\u9002\u5408\u4f5c\u4e3a\u7b2c\u4e00\u6b65\u5de5\u5177\uff1a\u5148\u6392\u9664\u5185\u90e8\u6545\u969c\uff0c\u518d\u4f7f\u7528 Looking Glass \u83b7\u5f97\u66f4\u5e7f\u7684\u53ef\u89c1\u6027\u3002<\/p>\n \u6545\u969c\u6392\u67e5\u65f6\u4f55\u65f6\u4f7f\u7528\u54ea\u79cd\u5de5\u5177<\/h2>\n \u53ef\u4ee5\u7528\u4e00\u4e2a\u7b80\u5355\u7684\u539f\u5219\u4f5c\u4e3a\u8d77\u70b9\uff1a\u5148\u505a\u672c\u5730 ping \u6d4b\u8bd5\uff0c\u6392\u9664\u5185\u90e8\u95ee\u9898\u3002\u52a3\u8d28\u7f51\u7ebf\u3001\u8def\u7531\u5668\u62e5\u585e\u6216 Wi\u2011Fi \u5e72\u6270\u90fd\u4f1a\u5728\u8fd9\u91cc\u66b4\u9732\u51fa\u6765\u3002\u5982\u679c\u672c\u5730 ping \u5ef6\u8fdf\u5f88\u4f4e\uff0c\u518d\u8fdb\u884c Looking Glass \u6d4b\u8bd5\uff0c\u68c0\u67e5\u5230\u8fdc\u7a0b\u670d\u52a1\u5668\u7684\u8def\u5f84\u3002\u8fd9\u4e2a\u4e24\u6b65\u6cd5\u53ef\u4ee5\u8282\u7701\u65f6\u95f4\uff0c\u907f\u514d\u5728\u9519\u8bef\u7684\u5c42\u9762\u4e0a\u53cd\u590d\u6392\u67e5\u3002<\/p>\n \u6309\u7167\u4e0b\u9762\u7684\u6d41\u7a0b\u601d\u8003\uff1a\u5982\u679c\u672c\u5730 ping \u5ef6\u8fdf\u4f4e\uff0c\u800c Looking Glass \u5ef6\u8fdf\u9ad8\uff0c\u95ee\u9898\u5f88\u53ef\u80fd\u5728\u4f60\u7684 ISP \u6216\u4e92\u8054\u7f51\u8def\u5f84\u4e0a\uff1b\u5982\u679c\u4e24\u8005\u90fd\u9ad8\uff0c\u90a3\u4e48\u95ee\u9898\u66f4\u6709\u53ef\u80fd\u51fa\u5728\u672c\u5730\u3002\u8fd9\u79cd\u7b80\u5355\u7684\u5bf9\u6bd4\u80fd\u544a\u8bc9\u4f60\uff0c\u5e94\u8be5\u628a\u7cbe\u529b\u96c6\u4e2d\u5728\u54ea\u4e00\u5c42\u9762\u4e0a\u3002<\/p>\n \u7528 Looking Glass \u8bca\u65ad ISP \u548c\u4e92\u8054\u7f51\u8def\u5f84\u95ee\u9898<\/h3>\n Looking Glass \u6d4b\u8bd5\u64c5\u957f\u66b4\u9732\u672c\u5730 ping \u5b8c\u5168\u770b\u4e0d\u5230\u7684\u95ee\u9898\uff1a\u4f8b\u5982 BGP \u8def\u7531\u5f02\u5e38\u3001\u5bf9\u7b49\u8fde\u63a5\u5931\u8d25\u4ee5\u53ca\u7279\u5b9a\u8def\u5f84\u4e0a\u7684\u62e5\u585e\u7b49\u3002\u4e0b\u9762\u8fd9\u5f20\u8868\u5c55\u793a\u4e86\u4e3a\u4ec0\u4e48\u8fd9\u4e9b\u95ee\u9898\u4f1a\u5bf9 Looking Glass \u53ef\u89c1\uff0c\u5374\u5bf9\u672c\u5730 ping \u9690\u8eab\u3002<\/p>\n \n\n\n\n<\/colgroup>\n\n\n\n\n\n \u53ef\u901a\u8fc7 Looking Glass \u68c0\u6d4b\u7684 ISP \u76f8\u5173\u95ee\u9898<\/th>\n \u4e3a\u4f55\u672c\u5730 ping \u770b\u4e0d\u5230<\/th>\n<\/tr>\n BGP \u8def\u7531\u95ee\u9898\uff08\u8def\u7531\u7f3a\u5931\u6216\u8def\u5f84\u4e0d\u4f73\uff09<\/td>\n \u672c\u5730 ping \u53ea\u6d4b\u4f60\u81ea\u5df1\u7684\u51fa\u7ad9\u8def\u5f84\uff0c\u65e2\u770b\u4e0d\u5230 ISP \u7684\u8def\u7531\u8868\uff0c\u4e5f\u65e0\u6cd5\u5224\u65ad\u67d0\u4e2a\u524d\u7f00\u662f\u5426\u80fd\u4ece\u5916\u90e8\u7f51\u7edc\u8bbf\u95ee\u3002<\/td>\n<\/tr>\n BGP \u5bf9\u7b49\u8fde\u63a5\u5f02\u5e38\uff08\u4e24\u5bb6\u7f51\u7edc\u4e4b\u95f4\u65e0\u6cd5\u6b63\u5e38\u4ea4\u6362\u8def\u7531\uff09<\/td>\n \u672c\u5730 ping \u4e0d\u663e\u793a\u8fd0\u8425\u5546\u4e4b\u95f4\u7684\u4e92\u8054\u60c5\u51b5\uff1bLooking Glass \u76f4\u63a5\u67e5\u8be2 ISP \u8def\u7531\u5668\uff0c\u5c55\u793a\u5bf9\u7b49\u4f1a\u8bdd\u662f\u5426\u6b63\u5e38\u4ee5\u53ca\u8def\u7531\u662f\u5426\u6210\u529f\u4ea4\u6362\u3002<\/td>\n<\/tr>\n \u7279\u5b9a\u8def\u5f84\u4e0a\u7684\u9ad8\u5ef6\u8fdf\u6216\u4e22\u5305\uff08\u67d0\u4e2a\u4e2d\u95f4\u8df3\u70b9\u62e5\u585e\u6216\u6545\u969c\uff09<\/td>\n \u672c\u5730 ping \u53ea\u770b\u5230\u7aef\u5230\u7aef RTT\uff0c\u800c Looking Glass \u7684 traceroute \u4f1a\u663e\u793a\u6bcf\u4e00\u8df3\u4ee5\u53ca\u5bf9\u5e94\u7684\u5ef6\u8fdf\uff0c\u4ece\u800c\u66b4\u9732\u95ee\u9898\u4f4d\u4e8e ISP \u4e3b\u5e72\u7f51\u7684\u54ea\u4e00\u6bb5\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n Looking Glass \u670d\u52a1\u5668\u90e8\u7f72\u5728\u4e92\u8054\u7f51\u7684\u4e0d\u540c\u4f4d\u7f6e\uff0c\u53ef\u5728\u7ebf\u67e5\u8be2\u4ece\u652f\u6301 BGP \u7684\u8def\u7531\u5668\u6536\u96c6\u5230\u7684\u524d\u7f00\u4fe1\u606f\u3002\u5bf9\u4e8e\u7f51\u7edc\u7ba1\u7406\u5458\u6765\u8bf4\uff0cLG \u80fd\u5728\u6392\u9519\u65f6\u663e\u8457\u63d0\u9ad8\u6548\u7387\uff0c\u5e2e\u52a9\u4ed6\u4eec\u4ece\u201c\u5916\u90e8\u201d\u67e5\u770b\u81ea\u5df1\u7684\u524d\u7f00\u3002\u8fd9\u79cd\u5916\u90e8\u89c6\u89d2\u6b63\u662f\u672c\u5730 ping \u6240\u7f3a\u4e4f\u7684\u2014\u2014\u672c\u5730 ping \u53ea\u6d4b\u8bd5\u7528\u6237\u8bbe\u5907\u7684\u89c6\u89d2\uff0c\u800c Looking Glass \u662f\u4ece ISP \u81ea\u5df1\u7684\u8def\u7531\u5668\u51fa\u53d1\uff0c\u5c55\u793a BGP \u8def\u7531\u53ef\u8fbe\u6027\u548c\u8fd0\u8425\u5546\u4e4b\u95f4\u4e92\u8054\u72b6\u6001\uff0c\u8fd9\u4e9b\u5728\u672c\u5730\u662f\u5b8c\u5168\u4e0d\u53ef\u89c1\u7684\u3002<\/p>\n \u4f60\u8fd8\u53ef\u4ee5\u5229\u7528 Looking Glass \u4ece\u670d\u52a1\u5668\u7aef\u6d4b\u8bd5\u7f51\u7edc\u901f\u5ea6\uff0c\u4ece\u800c\u53d1\u73b0\u975e\u5bf9\u79f0\u8def\u7531\u6216\u670d\u52a1\u5668\u7aef\u62e5\u585e\u7b49\u95ee\u9898\u3002\u5f53\u4f60\u9700\u8981\u6d4b\u8bd5\u8de8\u4e92\u8054\u7f51\u8def\u5f84\u7684\u5ef6\u8fdf\u65f6\uff0c\u8fd9\u4e2a\u5de5\u5177\u53ef\u4ee5\u4e3a\u4f60\u63d0\u4f9b\u5b8c\u6574\u7684\u89c6\u56fe\u3002<\/p>\n \u7528 Ping \u68c0\u67e5\u672c\u5730\u7f51\u7edc\u5065\u5eb7\u72b6\u51b5<\/h3>\n \u672c\u5730 ping \u662f\u4f60\u7684\u7b2c\u4e00\u9053\u5065\u5eb7\u68c0\u67e5\u3002\u901a\u8fc7\u5b83\u53ef\u4ee5\u786e\u8ba4\u8def\u7531\u5668\u662f\u5426\u6b63\u5e38\u54cd\u5e94\u3001\u7f51\u7ebf\u662f\u5426\u5b8c\u597d\u3001Wi\u2011Fi \u4fe1\u53f7\u662f\u5426\u7a33\u5b9a\u3002\u8fd9\u4e9b\u68c0\u67e5\u53ea\u9700\u51e0\u79d2\u949f\uff0c\u5c31\u80fd\u5feb\u901f\u5efa\u7acb\u5bf9\u672c\u5730\u73af\u5883\u7684\u4fe1\u5fc3\u3002<\/p>\n \u5f53\u4f60\u6000\u7591\u786c\u4ef6\u95ee\u9898\u65f6\uff0c\u4f7f\u7528\u672c\u5730 ping \u5c24\u5176\u6709\u6548\uff1a\u7834\u635f\u7684\u7f51\u7ebf\u3001\u8001\u5316\u7684\u8def\u7531\u5668\u7aef\u53e3\u6216\u7f51\u5361\u90fd\u4f1a\u5bfc\u81f4\u4e22\u5305\uff1b\u8ddd\u79bb\u8fc7\u8fdc\u6216\u969c\u788d\u7269\u8fc7\u591a\u5f15\u8d77\u7684 Wi\u2011Fi \u5e72\u6270\u4e5f\u4f1a\u5728\u6d4b\u8bd5\u4e2d\u4f53\u73b0\uff1b\u4f60\u751a\u81f3\u53ef\u4ee5 ping \u56de\u73af\u5730\u5740\u6765\u9a8c\u8bc1\u7535\u8111\u7f51\u7edc\u534f\u8bae\u6808\u5de5\u4f5c\u6b63\u5e38\u3002<\/p>\n \u672c\u5730 ping 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