{"id":1731,"date":"2022-12-23T17:57:02","date_gmt":"2022-12-23T09:57:02","guid":{"rendered":"https:\/\/blog.cauchyschwarz.com\/?p=1731"},"modified":"2022-12-23T17:57:46","modified_gmt":"2022-12-23T09:57:46","slug":"nuttcp","status":"publish","type":"post","link":"https:\/\/blog.cauchyschwarz.com\/?p=1731","title":{"rendered":"nuttcp"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\">nuttcp<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">\u9a8c\u8bc1\u4e22\u5305\u7387\u548c\u9650\u901f<\/h2>\n\n\n\n<p>\u6d4b\u8bd5\u73af\u5883\uff1a<\/p>\n\n\n\n<p>\u5728\u5ba2\u6237\u7aef\u8bbe\u7f6e70%\u4e22\u5305\u73af\u5883<\/p>\n\n\n\n<p>sudo tc qdisc replace dev xxx root netem loss 70<\/p>\n\n\n\n<p>\u56e0\u4e3a\u4e22\u5305\u7387\u5f88\u9ad8\u800cnuttcp\u8fd9\u79cd\u6d4b\u8bd5\u5de5\u5177\u80af\u5b9a\u53c8\u662f\u901a\u8fc7tcp\u8fde\u63a5\u6765\u4f20\u8f93\u4fe1\u4ee4\u7684\uff0c\u6240\u4ee5\u4e0d\u8981\u5728\u4e00\u5f00\u59cb\u5c31\u5c06\u4e22\u5305\u7387\u8bbe\u7684\u8fd9\u4e48\u9ad8\uff0c\u5426\u5219nuttcp\u4f1a\u56e0\u4e3a\u65e0\u6cd5\u5efa\u7acbtcp\u8fde\u63a5\u800c\u5bfc\u81f4\u6d4b\u8bd5\u4f1a\u65e0\u6cd5\u5f00\u59cb\uff0c\u800c\u662f\u5728\u5ba2\u6237\u7aef\u7684nuttcp\u547d\u4ee4\u6267\u884c\u4e4b\u540e\u518d\u8bbe\u7f6e\u4e22\u5305\uff0c\u5e76\u4e14\u5ef6\u957f\u6d4b\u8bd5\u65f6\u95f4\uff0c\u901a\u8fc7\u9a8c\u8bc1\u603b\u7684\u4e22\u5305\u7387\u7edf\u8ba1\u6765\u9a8c\u8bc1\u4e22\u5305\u662f\u5426\u751f\u6548\u3002<\/p>\n\n\n\n<p>\u670d\u52a1\u7aef(ip\u5730\u5740x.x.x.x)\uff1a<\/p>\n\n\n\n<p>nuttcp -S -P 12345<\/p>\n\n\n\n<p>\u5ba2\u6237\u7aef(\u6570\u636e\u4ece\u5ba2\u6237\u7aef\u53d1\u9001\u5230\u670d\u52a1\u7aef)\uff1a<\/p>\n\n\n\n<p>nuttcp -t -T30 -u -R14.68m -P 12345 x.x.x.x<\/p>\n\n\n\n<p>\u9009\u9879\u91ca\u4e49\uff1a<\/p>\n\n\n\n<p>-t \u5ba2\u6237\u7aef\u4f5c\u4e3a\u53d1\u9001\u7aef\uff0c\u5982\u679c\u9700\u8981\u5ba2\u6237\u7aef\u4f5c\u4e3a\u63a5\u6536\u7aef\u5219\u4f7f\u7528-r<\/p>\n\n\n\n<p>-T \u5b9a\u4e49\u6d4b\u8bd5\u6301\u7eed\u65f6\u95f4<\/p>\n\n\n\n<p>-R \u8bbe\u7f6e\u53d1\u9001\u901f\u7387<\/p>\n\n\n\n<p>-P \u6307\u5b9a\u670d\u52a1\u5668\u7aef\u53e3<\/p>\n\n\n\n<p>\u6700\u540e\u4e00\u9879\u663e\u7136\u662f\u670d\u52a1\u5668\u7684ip<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ESNET\u7684\u4f8b\u5b50<\/h2>\n\n\n\n<p><a href=\"https:\/\/fasterdata.es.net\/performance-testing\/network-troubleshooting-tools\/nuttcp\/\">https:\/\/fasterdata.es.net\/performance-testing\/network-troubleshooting-tools\/nuttcp\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>nuttcp \u9a8c\u8bc1\u4e22\u5305\u7387\u548c\u9650\u901f \u6d4b\u8bd5\u73af\u5883\uff1a \u5728\u5ba2\u6237\u7aef\u8bbe\u7f6e70%\u4e22\u5305\u73af\u5883 sudo tc qdisc replace dev xxx root netem loss 70 \u56e0\u4e3a\u4e22\u5305\u7387\u5f88\u9ad8\u800cnuttcp\u8fd9&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[28],"class_list":["post-1731","post","type-post","status-publish","format-standard","hentry","category-10","tag-28"],"_links":{"self":[{"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=\/wp\/v2\/posts\/1731","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1731"}],"version-history":[{"count":2,"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=\/wp\/v2\/posts\/1731\/revisions"}],"predecessor-version":[{"id":1733,"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=\/wp\/v2\/posts\/1731\/revisions\/1733"}],"wp:attachment":[{"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1731"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1731"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1731"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}