{"id":44788,"date":"2024-10-06T18:10:14","date_gmt":"2024-10-06T10:10:14","guid":{"rendered":"https:\/\/server.hk\/cnblog\/44788\/"},"modified":"2024-10-06T18:10:14","modified_gmt":"2024-10-06T10:10:14","slug":"linux-%e5%91%bd%e4%bb%a4%ef%bc%9aping-%e5%90%91%e7%b6%b2%e7%b5%a1%e4%b8%bb%e6%a9%9f%e7%99%bc%e9%80%81-icmp-echo_request","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/44788\/","title":{"rendered":"Linux \u547d\u4ee4\uff1aping &#8211; \u5411\u7db2\u7d61\u4e3b\u6a5f\u767c\u9001 ICMP ECHO_REQUEST"},"content":{"rendered":"<h1 id=\"linux-%e5%91%bd%e4%bb%a4%ef%bc%9aping-%e5%90%91%e7%b6%b2%e7%b5%a1%e4%b8%bb%e6%a9%9f%e7%99%bc%e9%80%81-icmp-echo_request-OTkvsJoFHP\">Linux \u547d\u4ee4\uff1aping &#8211; \u5411\u7db2\u7d61\u4e3b\u6a5f\u767c\u9001 ICMP ECHO_REQUEST<\/h1>\n<p>\u5728\u7db2\u7d61\u7ba1\u7406\u548c\u6545\u969c\u6392\u9664\u4e2d\uff0c<code>ping<\/code> \u547d\u4ee4\u662f\u4e00\u500b\u975e\u5e38\u91cd\u8981\u7684\u5de5\u5177\u3002\u5b83\u7528\u65bc\u6e2c\u8a66\u4e3b\u6a5f\u4e4b\u9593\u7684\u9023\u63a5\u6027\uff0c\u4e26\u4e14\u80fd\u5920\u5e6b\u52a9\u7528\u6236\u4e86\u89e3\u7db2\u7d61\u7684\u72c0\u614b\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e <code>ping<\/code> \u547d\u4ee4\u7684\u5de5\u4f5c\u539f\u7406\u3001\u7528\u6cd5\u53ca\u5176\u5728\u65e5\u5e38\u7ba1\u7406\u4e2d\u7684\u61c9\u7528\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-icmp-echo_request%ef%bc%9f-OTkvsJoFHP\">\u4ec0\u9ebc\u662f ICMP ECHO_REQUEST\uff1f<\/h2>\n<p>\u5728\u4e86\u89e3 <code>ping<\/code> \u547d\u4ee4\u4e4b\u524d\uff0c\u6211\u5011\u9700\u8981\u5148\u4e86\u89e3 ICMP\uff08Internet Control Message Protocol\uff0c\u7db2\u969b\u7db2\u8def\u63a7\u5236\u6d88\u606f\u5354\u8b70\uff09\u3002ICMP \u662f\u4e00\u7a2e\u7db2\u7d61\u5354\u8b70\uff0c\u4e3b\u8981\u7528\u65bc\u50b3\u9001\u932f\u8aa4\u6d88\u606f\u548c\u64cd\u4f5c\u4fe1\u606f\u3002<code>ping<\/code> \u547d\u4ee4\u5be6\u969b\u4e0a\u662f\u901a\u904e\u767c\u9001 ICMP ECHO_REQUEST \u6578\u64da\u5305\u4f86\u6aa2\u67e5\u76ee\u6a19\u4e3b\u6a5f\u7684\u53ef\u9054\u6027\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8-ping-%e5%91%bd%e4%bb%a4-OTkvsJoFHP\">\u5982\u4f55\u4f7f\u7528 ping \u547d\u4ee4<\/h2>\n<p>\u5728 Linux \u7cfb\u7d71\u4e2d\uff0c\u4f7f\u7528 <code>ping<\/code> \u547d\u4ee4\u975e\u5e38\u7c21\u55ae\u3002\u57fa\u672c\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>ping [\u9078\u9805] [\u4e3b\u6a5f\u540d\u6216 IP \u5730\u5740]<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u82e5\u8981\u6aa2\u67e5 Google \u7684\u53ef\u9054\u6027\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>ping www.google.com<\/code><\/pre>\n<p>\u57f7\u884c\u6b64\u547d\u4ee4\u5f8c\uff0c\u7cfb\u7d71\u5c07\u958b\u59cb\u5411 Google \u7684\u4f3a\u670d\u5668\u767c\u9001 ICMP ECHO_REQUEST \u6578\u64da\u5305\uff0c\u4e26\u986f\u793a\u56de\u61c9\u6642\u9593\u548c\u6578\u64da\u5305\u7684\u4e1f\u5931\u7387\u3002<\/p>\n<h2 id=\"%e5%b8%b8%e7%94%a8%e9%81%b8%e9%a0%85-OTkvsJoFHP\">\u5e38\u7528\u9078\u9805<\/h2>\n<p><code>ping<\/code> \u547d\u4ee4\u6709\u591a\u500b\u9078\u9805\uff0c\u53ef\u4ee5\u6839\u64da\u9700\u8981\u9032\u884c\u8abf\u6574\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u9078\u9805\uff1a<\/p>\n<ul>\n<li><code>-c<\/code>\uff1a\u6307\u5b9a\u767c\u9001\u7684\u6578\u64da\u5305\u6578\u91cf\u3002\u4f8b\u5982\uff0c<code>ping -c 4 www.google.com<\/code> \u5c07\u53ea\u767c\u9001 4 \u500b\u6578\u64da\u5305\u3002<\/li>\n<li><code>-i<\/code>\uff1a\u8a2d\u7f6e\u767c\u9001\u6578\u64da\u5305\u7684\u9593\u9694\u6642\u9593\uff08\u4ee5\u79d2\u70ba\u55ae\u4f4d\uff09\u3002\u4f8b\u5982\uff0c<code>ping -i 2 www.google.com<\/code> \u6bcf 2 \u79d2\u767c\u9001\u4e00\u500b\u6578\u64da\u5305\u3002<\/li>\n<li><code>-t<\/code>\uff1a\u8a2d\u7f6e TTL\uff08Time to Live\uff09\u503c\uff0c\u9019\u662f\u6578\u64da\u5305\u5728\u7db2\u7d61\u4e2d\u53ef\u4ee5\u7d93\u904e\u7684\u6700\u5927\u8def\u7531\u6578\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%a7%a3%e6%9e%90-ping-%e5%91%bd%e4%bb%a4%e7%9a%84%e8%bc%b8%e5%87%ba-OTkvsJoFHP\">\u89e3\u6790 ping \u547d\u4ee4\u7684\u8f38\u51fa<\/h2>\n<p>\u7576\u4f60\u57f7\u884c <code>ping<\/code> \u547d\u4ee4\u5f8c\uff0c\u6703\u770b\u5230\u985e\u4f3c\u4ee5\u4e0b\u7684\u8f38\u51fa\uff1a<\/p>\n<pre><code>64 bytes from 142.250.190.14: icmp_seq=1 ttl=117 time=14.5 ms<\/code><\/pre>\n<p>\u9019\u4e9b\u4fe1\u606f\u7684\u542b\u7fa9\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li><strong>64 bytes<\/strong>\uff1a\u8868\u793a\u63a5\u6536\u5230\u7684\u6578\u64da\u5305\u5927\u5c0f\u3002<\/li>\n<li><strong>from 142.250.190.14<\/strong>\uff1a\u8868\u793a\u56de\u61c9\u7684\u4e3b\u6a5f IP \u5730\u5740\u3002<\/li>\n<li><strong>icmp_seq=1<\/strong>\uff1a\u8868\u793a\u9019\u662f\u7b2c\u5e7e\u500b ICMP \u6578\u64da\u5305\u7684\u56de\u61c9\u3002<\/li>\n<li><strong>ttl=117<\/strong>\uff1a\u8868\u793a\u6578\u64da\u5305\u7684 TTL \u503c\u3002<\/li>\n<li><strong>time=14.5 ms<\/strong>\uff1a\u8868\u793a\u5f9e\u767c\u9001\u8acb\u6c42\u5230\u63a5\u6536\u5230\u56de\u61c9\u6240\u9700\u7684\u6642\u9593\u3002<\/li>\n<\/ul>\n<h2 id=\"ping-%e5%91%bd%e4%bb%a4%e7%9a%84%e6%87%89%e7%94%a8%e5%a0%b4%e6%99%af-OTkvsJoFHP\">ping \u547d\u4ee4\u7684\u61c9\u7528\u5834\u666f<\/h2>\n<p><code>ping<\/code> \u547d\u4ee4\u5728\u591a\u7a2e\u60c5\u6cc1\u4e0b\u90fd\u975e\u5e38\u6709\u7528\uff0c\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u6aa2\u67e5\u7db2\u7d61\u9023\u63a5\uff1a\u78ba\u5b9a\u672c\u5730\u8a08\u7b97\u6a5f\u662f\u5426\u80fd\u5920\u9023\u63a5\u5230\u7279\u5b9a\u7684\u4e3b\u6a5f\u3002<\/li>\n<li>\u6545\u969c\u6392\u9664\uff1a\u7576\u7121\u6cd5\u8a2a\u554f\u67d0\u500b\u7db2\u7ad9\u6216\u670d\u52d9\u6642\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>ping<\/code> \u547d\u4ee4\u4f86\u6aa2\u67e5\u554f\u984c\u662f\u5426\u51fa\u5728\u7db2\u7d61\u9023\u63a5\u4e0a\u3002<\/li>\n<li>\u6e2c\u8a66\u5ef6\u9072\uff1a\u901a\u904e\u67e5\u770b\u56de\u61c9\u6642\u9593\uff0c\u53ef\u4ee5\u8a55\u4f30\u7db2\u7d61\u7684\u5ef6\u9072\u60c5\u6cc1\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-OTkvsJoFHP\">\u7e3d\u7d50<\/h2>\n<p>\u7e3d\u7684\u4f86\u8aaa\uff0c<code>ping<\/code> \u547d\u4ee4\u662f\u4e00\u500b\u5f37\u5927\u4e14\u7c21\u55ae\u7684\u5de5\u5177\uff0c\u80fd\u5920\u5e6b\u52a9\u7528\u6236\u5feb\u901f\u6aa2\u67e5\u7db2\u7d61\u9023\u63a5\u548c\u6545\u969c\u6392\u9664\u3002\u7121\u8ad6\u662f\u5728\u65e5\u5e38\u4f7f\u7528\u4e2d\u9084\u662f\u5c08\u696d\u7684\u7db2\u7d61\u7ba1\u7406\u4e2d\uff0c\u638c\u63e1 <code>ping<\/code> \u547d\u4ee4\u7684\u4f7f\u7528\u90fd\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u5982\u679c\u60a8\u9700\u8981\u66f4\u9ad8\u6548\u7684\u7db2\u7d61\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u670d\u52d9\uff0c\u70ba\u60a8\u7684\u696d\u52d9\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528 Linux \u547d\u4ee4 ping \u5411\u7db2\u7d61\u4e3b\u6a5f\u767c\u9001 ICMP ECHO_REQUEST\uff0c\u6aa2\u6e2c\u9023\u63a5\u6027\u548c\u7db2\u7d61\u5ef6\u9072\uff0c\u78ba\u4fdd\u7db2\u7d61\u6b63\u5e38\u904b\u884c\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4924],"tags":[],"class_list":["post-44788","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44788","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=44788"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44788\/revisions"}],"predecessor-version":[{"id":44789,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44788\/revisions\/44789"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=44788"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=44788"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=44788"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}