{"id":579,"date":"2024-05-24T10:58:43","date_gmt":"2024-05-24T02:58:43","guid":{"rendered":"https:\/\/www.wangzheduo.com\/?p=579"},"modified":"2024-05-24T10:58:43","modified_gmt":"2024-05-24T02:58:43","slug":"tc%e6%8e%a7%e5%88%b6%e6%9c%ac%e6%9c%ba%e7%9a%84%e4%b8%8a%e8%a1%8c%e5%b8%a6%e5%ae%bd","status":"publish","type":"post","link":"http:\/\/www.wangzheduo.com\/?p=579","title":{"rendered":"TC\u63a7\u5236\u672c\u673a\u7684\u4e0a\u884c\u5e26\u5bbd"},"content":{"rendered":"<p>1.\u7528TC\u63a7\u5236\u7f51\u7edc\u5ef6\u65f6\u3002\u5177\u4f53\u6765\u8bf4\u5c31\u662f\u63a7\u5236\u672c\u673a\u5904\u7406\u4e00\u4e2a\u6570\u636e\u62a5\u6587\u7684\u65f6\u5ef6\uff0c\u4e5f\u5c31\u662frtt\u3002<\/p>\n<p>sudo tc qdisc add dev eth0 root netem\u00a0delay\u00a01000ms \/\/\u8bbe\u7f6e1\u79d2\u7684\u5ef6\u65f6<br \/>\nsudo tc qdisc del dev eth0 root netem delay 1000ms \/\/\u53d6\u6d88\u8bbe\u7f6e<\/p>\n<p>\u8bbe\u7f6e\u6210\u529f\u540e\uff0c\u53ef\u4ee5\u7b80\u5355\u7684\u4ece\u5176\u4ed6\u673a\u5668\u4e0aping\u4e00\u4e0b\u8fd9\u53f0\u673a\u5668\uff0c\u4f60\u4f1a\u770b\u5230ping\u7684response time\u662f1\u79d2\u5de6\u53f3\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>2.\u63a7\u5236\u4e22\u5305\u7387\uff1a<br \/>\nsudo tc qdisc add dev eth0 root netem loss 10% \/\/\u8bbe\u7f6e\u672c\u673a\u4e22\u5305\u738710%<br \/>\nsudo tc qdisc del dev eth0 root netem loss 10% \/\/\u53d6\u6d88\u8bbe\u7f6e<\/p>\n<p>\u8bbe\u7f6e\u6210\u529f\u540e\uff0c\u5411\u8fd9\u53f0\u673a\u5668\u53d1\u9001\u7684\u6570\u636e\u5305\uff0c\u670910%\u5de6\u53f3\u7684\u4e22\u5305\u7387\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>3.\u63a7\u5236\u672c\u673a\u7684\u4e0a\u884c\u5e26\u5bbd\u3002(\u7ecf\u5e38\u7528\u6765\u63a7\u5236\u4e00\u53f0\u670d\u52a1\u5668\u5bf9\u5916\u63d0\u4f9b\u4e0b\u8f7d\u7684\u603b\u6d41\u91cf\u9650\u5236)<\/p>\n<p>sudo\u00a0tc qdisc add dev eth0 root tbf rate 5800kbit latency 50ms burst 1540 \/\/\u5e26\u5bbd\u9650\u52365800kbit<\/p>\n<p>sudo tc qdisc del dev eth0 root tbf rate 5800kbit latency 50ms burst 1540 \/\/\u53d6\u6d88\u9650\u5236<\/p>\n<p>&nbsp;<\/p>\n<p>4.\u4ece\u670d\u52a1\u5668\u4e0a\uff0c\u63a7\u5236\u67d0\u4e00\u53f0client\u7684\u4e0b\u8f7d\u5e26\u5bbd.(\u7ecf\u5e38\u7528\u6765\u5728\u670d\u52a1\u5668\u4e0a\u8bbe\u7f6e\uff0c\u63a7\u5236\u67d0\u4e00\u53f0client\u7684\u4e0b\u8f7d\u6d41\u91cf\u3002)<\/p>\n<p>\u767b\u5f55\u5230\u670d\u52a1\u5668\u4e0a\uff0c\u76ee\u7684\u662f\u63a7\u5236ip\u4e3a1.1.1.21 \u5230\u672c\u670d\u52a1\u5668\u7684\u4e0b\u8f7d\u5e26\u5bbd\u4e3a 5120kbit\u3002<\/p>\n<p>sudo tc qdisc add dev eth0 root handle 2: htb<br \/>\nsudo tc class add dev eth0 parent 2: classid 2:1 htb rate 5120kbit<br \/>\nsudo tc class add dev eth0 parent 2:1 classid 2:21 htb rate 5120kbit ceil 6000kbit burst 100k<br \/>\nsudo tc qdisc add dev eth0 parent 2:21 handle 21: sfq<br \/>\nsudo tc filter add dev eth0 parent 2:0 protocol ip prio 4 u32 match ip dst 1.1.1.21 flowid 2:21<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1.\u7528TC\u63a7\u5236\u7f51\u7edc\u5ef6\u65f6\u3002\u5177\u4f53\u6765\u8bf4\u5c31\u662f\u63a7\u5236\u672c\u673a\u5904\u7406\u4e00\u4e2a\u6570\u636e\u62a5\u6587\u7684\u65f6\u5ef6\uff0c\u4e5f\u5c31\u662frtt\u3002 sudo tc qdisc add dev eth0 root netem\u00a0delay\u00a01000ms \/\/\u8bbe\u7f6e1\u79d2\u7684&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[],"class_list":["post-579","post","type-post","status-publish","format-standard","hentry","category-centos7"],"_links":{"self":[{"href":"http:\/\/www.wangzheduo.com\/index.php?rest_route=\/wp\/v2\/posts\/579","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.wangzheduo.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.wangzheduo.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.wangzheduo.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.wangzheduo.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=579"}],"version-history":[{"count":1,"href":"http:\/\/www.wangzheduo.com\/index.php?rest_route=\/wp\/v2\/posts\/579\/revisions"}],"predecessor-version":[{"id":580,"href":"http:\/\/www.wangzheduo.com\/index.php?rest_route=\/wp\/v2\/posts\/579\/revisions\/580"}],"wp:attachment":[{"href":"http:\/\/www.wangzheduo.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=579"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.wangzheduo.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=579"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.wangzheduo.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=579"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}