{"id":233,"date":"2022-02-28T11:46:42","date_gmt":"2022-02-28T03:46:42","guid":{"rendered":"http:\/\/feel.name\/?p=233"},"modified":"2022-02-28T11:46:42","modified_gmt":"2022-02-28T03:46:42","slug":"%e7%bd%91%e5%8d%a1txqueuelen%e5%8f%82%e6%95%b0%e8%b0%83%e6%95%b4","status":"publish","type":"post","link":"https:\/\/feel.name\/?p=233","title":{"rendered":"\u7f51\u5361txqueuelen\u53c2\u6570\u8c03\u6574"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u4e00\u3001ifconfig\u6307\u4ee4<\/h2>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<ul class=\"wp-block-list\"><li><span class=\"has-inline-color has-vivid-red-color\"><strong>[root@feel ~]# ifconfig<br>eth0: flags=4163 mtu 1500<\/strong><\/span><\/li><li><span class=\"has-inline-color has-vivid-red-color\"><strong>\u7f51\u5361\u540d \u4eceflags\u53ef\u77e5\u8be5\u63a5\u53e3\u5df2\u542f\u7528\uff0c\u652f\u6301\u5e7f\u64ad\u3001\u7ec4\u64ad\uff0cmtu\u503c<br>inet 10.0.105.2 netmask 255.255.255.0 broadcast 10.0.105.255<\/strong><\/span><\/li><li><span class=\"has-inline-color has-vivid-red-color\"><strong>IP\u5730\u5740\uff0c\u5b50\u7f51\u63a9\u7801\uff0c\u5e7f\u64ad\u5730\u5740<\/strong><\/span><strong><br><span class=\"has-inline-color has-vivid-red-color\">inet6 fe80::250:56ff:fe00:83 prefixlen 64 scopeid 0x20<\/span><\/strong><\/li><li><strong><span class=\"has-inline-color has-vivid-red-color\">IPv6\u5730\u5740\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u63a9\u7801\u957f\u5ea6\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u4f5c\u7528\u57df\uff0clink\u8868\u793a\u4ec5\u8be5\u63a5\u53e3\u6709\u6548<br>ether 00:50:56:00:00:83 txqueuelen 2000 (Ethernet)<\/span><\/strong><\/li><li><strong><span class=\"has-inline-color has-vivid-red-color\">\u7f51\u5361\u63a5\u53e3\u7684MAC\u5730\u5740\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u4f20\u8f93\u961f\u5217\u957f\u5ea6\u00a0\u00a0\u00a0\u00a0\u00a0\u63a5\u53e3\u7c7b\u578b\u4e3aEthernet<br>RX packets 7540931 bytes 1360094904 (1.2 GiB)<\/span><\/strong><\/li><li><strong><span class=\"has-inline-color has-vivid-red-color\">\u00a0<code>\u4e0b\u884c\u8868\u793a\u6b64\u63a5\u53e3\u63a5\u6536\u7684\u62a5\u6587\u4e2a\u6570\uff0c\u603b\u5b57\u8282\u6570<\/code><br>RX errors 0 dropped 0 overruns 0 frame 0<\/span><\/strong><\/li><li><strong><span class=\"has-inline-color has-vivid-red-color\">\u63a5\u6536\u62a5\u6587\u9519\u8bef\u6570\uff0c\u4e22\u5f03\u6570\uff0c\u6ea2\u51fa\u6570\uff0c\u51b2\u7a81\u7684\u5e27\u6570<br>TX packets 10387450 bytes 1498110846 (1.3 GiB)<\/span><\/strong><\/li><li><strong><span class=\"has-inline-color has-vivid-red-color\">\u4e0a\u884c\u8868\u793a\u6b64\u63a5\u53e3\u53d1\u9001\u7684\u62a5\u6587\u4e2a\u6570\uff0c\u603b\u5b57\u8282\u6570<br>TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0<\/span><\/strong><\/li><li><strong><span class=\"has-inline-color has-vivid-red-color\">\u53d1\u9001\u62a5\u6587\u9519\u8bef\u6570\uff0c\u4e22\u5f03\u6570\uff0c\u6ea2\u51fa\u6570\uff0c\u8f7d\u8377\u6570\uff0c\u51b2\u7a81\u6570<\/span><\/strong><\/li><\/ul>\n\n\n\n<p><\/p>\n<\/div>\n<\/div>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<p>lo: flags=73 mtu 65536<br>inet 127.0.0.1 netmask 255.0.0.0<br>inet6 ::1 prefixlen 128 scopeid 0x10<br>loop txqueuelen 1000 (Local Loopback)<br>RX packets 110 bytes 9884 (9.6 KiB)<br>RX errors 0 dropped 0 overruns 0 frame 0<br>TX packets 110 bytes 9884 (9.6 KiB)<br>TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><br>\u3000\u3000<br>txqueuelen \u662f\u4f20\u8f93\u7f13\u533a\u957f\u5ea6\u5927\u5c0f\u610f\u601d<br>\u3000\u3000<\/p>\n\n\n\n<p>\u8c03\u6574\u5927\u5c0f\u547d\u4ee4<\/p>\n\n\n\n<p>ifconfig \u7f51\u5361\u540d  txqueuelen  \u6570\u503c<\/p>\n\n\n\n<p>ifconfig eth0 t<span class=\"has-inline-color has-vivid-red-color\">xqueuelen 2000<\/span><\/p>\n\n\n\n<p>\u9ed8\u8ba4\u662f1000\uff0c\u8981\u662f\u7f13\u51b2<span class=\"has-inline-color has-vivid-red-color\">\u533a\u8fc7\u5c0f\uff0c\u6709\u65f6\u5019\u4f1a\u51fa\u73b0\u4e22\u5305\u73b0\u8c61\uff0c\u636e\u65f6\u67e5\u770b\u00a0RX dropped\u00a0\u6307\u6570\u3002<\/span><\/p>\n\n\n\n<p><br><br>MTU\u8c03\u6574\u547d\u4ee4<\/p>\n\n\n\n<p>ifconfig \u7f51\u5361\u540d  MTU \u6570\u503c <\/p>\n\n\n\n<p> ifconfig eth0 MTU 1500 <\/p>\n\n\n\n<p>ping \u68c0\u6d4b MTU<\/p>\n\n\n\n<p>ping 192.168.1.1 -M do -s 8192<\/p>\n\n\n\n<p>-M do:\u7981\u6b62\u5206\u7247, want:\u5f53\u5305\u8fc7\u5927\u65f6\u5206\u7247, dont:\u4e0d\u8bbe\u7f6e\u5206\u7247\u6807\u5fd7DF flag<br>-s \u6bcf\u6b21ping\u53d1\u9001\u7684\u6570\u636e\u5b57\u8282\u6570, \u9ed8\u8ba456+28(ICMP)=84\u5b57\u8282. \u5934+\u5185\u5bb9\u4e0d\u80fd\u5927\u4e8e65535, \u6240\u4ee5\u6700\u5927\u503c\u4e3alinux:65507,windows:65500<\/p>\n\n\n\n<p>\u5f53\u6570\u636e\u5305\u5927\u4e8e\u672c\u673a\u7f51\u5361MTU\u65f6, \u4f1a\u62a5ping: local error: Message too long, mtu=xxx<br>\u5f53\u6570\u636e\u5305\u5927\u4e8e\u5916\u90e8\u7f51\u7edc\u4ee5\u53ca\u5bf9\u65b9\u7f51\u5361MTU\u65f6, \u6570\u636e\u5305\u88ab\u4e22\u5f03, ping\u65e0\u8fd4\u56de<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e8c\u3001\u7f51\u5361\u540d\u79f0\u5b57\u7b26\u542b\u4e49<\/h2>\n\n\n\n<p>1\u3001\u524d2\u4e2a\u5b57\u7b26\u7684\u542b\u4e49<\/p>\n\n\n\n<p>en \u4ee5\u592a\u7f51 Ethernet<\/p>\n\n\n\n<p>wl \u65e0\u7ebf\u5c40\u57df\u7f51 WLAN<\/p>\n\n\n\n<p>ww \u65e0\u7ebf\u5e7f\u57df\u7f51 WWAN<\/p>\n\n\n\n<p>2\u3001\u7b2c3\u4e2a\u5b57\u7b26\u6839\u636e\u8bbe\u5907\u7c7b\u578b\u9009\u62e9<\/p>\n\n\n\n<p>o on-board device index number<\/p>\n\n\n\n<p>s hotplug slot index number<\/p>\n\n\n\n<p>x MAC address<\/p>\n\n\n\n<p>ps PCI geographical location<\/p>\n\n\n\n<p>ps USB port number chain<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u3001ifconfig\u6307\u4ee4 [root@feel ~]# ifconfigeth0: flags=4163 mt&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-233","post","type-post","status-publish","format-standard","hentry","category-linux"],"_links":{"self":[{"href":"https:\/\/feel.name\/index.php?rest_route=\/wp\/v2\/posts\/233","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/feel.name\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/feel.name\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/feel.name\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/feel.name\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=233"}],"version-history":[{"count":3,"href":"https:\/\/feel.name\/index.php?rest_route=\/wp\/v2\/posts\/233\/revisions"}],"predecessor-version":[{"id":236,"href":"https:\/\/feel.name\/index.php?rest_route=\/wp\/v2\/posts\/233\/revisions\/236"}],"wp:attachment":[{"href":"https:\/\/feel.name\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=233"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/feel.name\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=233"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/feel.name\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=233"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}