{"id":2170,"date":"2020-12-22T15:27:34","date_gmt":"2020-12-22T07:27:34","guid":{"rendered":"https:\/\/wyxxt.org.cn\/?p=2170"},"modified":"2023-12-04T14:47:35","modified_gmt":"2023-12-04T06:47:35","slug":"lvs%e7%9a%84drtunnat%e6%a8%a1%e5%9e%8b","status":"publish","type":"post","link":"https:\/\/wyxxt.org.cn\/?p=2170","title":{"rendered":"lvs\u7684DR,TUN,NAT\u6a21\u578b"},"content":{"rendered":"<h3>\u5bb6\u7528\u8def\u7531\u5668<\/h3>\n<p>S-NAT source network address translation \u6e90\u7f51\u7edc\u5730\u5740\u8f6c\u6362<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/oss.wyxxt.org.cn\/images\/2021\/09\/18\/wp_editor_md_4d8b4e33b3bbce57e0b3cc559b4ce1c9.jpg\" alt=\"\" \/><\/p>\n<h3>D-NAT<\/h3>\n<p>\u76ee\u6807\u7f51\u7edc\u5730\u5740\u8f6c\u6362<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/oss.wyxxt.org.cn\/images\/2021\/09\/18\/wp_editor_md_11635ba29a58f7dedbaa8c6755e807cf.jpg\" alt=\"\" \/><\/p>\n<h3>DR<\/h3>\n<p>direct router \u76f4\u63a5\u8def\u7531\u6a21\u5f0f<\/p>\n<p>MAC\u5730\u5740\u6b3a\u9a97<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/oss.wyxxt.org.cn\/images\/2021\/09\/18\/wp_editor_md_73f20b5785f5d0ac842c8b0d8f8fbea1.jpg\" alt=\"\" \/><\/p>\n<h4>\u9690\u85cfVIP\u65b9\u6cd5\uff1a\u5bf9\u5916\u9690\u85cf\uff0c\u5bf9\u5185\u53ef\u89c1\uff1a<\/h4>\n<blockquote><p>\n  kernel parameter:<br \/>\n  \u76ee\u6807mac\u5730\u5740\u4e3a\u5168F\uff0c\u4ea4\u6362\u673a\u51fa\u53d1\u5e7f\u64ad<br \/>\n  \/proc\/sys\/net\/ipv4\/conf\/<em>IF<\/em>\/<br \/>\n  arp_ignore:\u5b9a\u4e49\u63a5\u53d7\u5230ARP\u8bf7\u6c42\u65f6\u7684\u54cd\u5e94\u7ea7\u522b\uff1b<br \/>\n  0:\u53ea\u8981\u672c\u5730\u914d\u7f6e\u7684\u6709\u54cd\u5e94\u5730\u5740\uff0c\u5c31\u7ed9\u4e88\u54cd\u5e94\uff1b<br \/>\n  1:\u4ec5\u5728\u8bf7\u6c42\u76ee\u6807\uff08MAC\uff09\u5730\u5740\u914d\u7f6e\u8bf7\u6c42<br \/>\n    \u5230\u8fbe\u7684\u63a5\u53e3\u4e0a\u7684\u65f6\u5019\uff0c\u624d\u7ed9\u4e88\u54cd\u5e94<\/p>\n<p>  arp_announce:\u5b9a\u4e49\u5c06\u81ea\u5df1\u5730\u5740\u5411\u5916\u901a\u544a\u65f6\u7684\u901a\u544a\u7ea7\u522b\uff1b<br \/>\n  0:\u5c06\u672c\u5730\u4efb\u4f55\u63a5\u53e3\u4e0a\u7684\u4efb\u4f55\u5730\u5740\u5411\u5916\u901a\u544a\uff1b<br \/>\n  1:\u8bd5\u56fe\u4ec5\u5411\u76ee\u6807\u7f51\u7edc\u901a\u8fc7\u4e0e\u5176\u7f51\u7edc\u5339\u914d\u7684\u5730\u5740\uff1b<br \/>\n  2:\u4ec5\u5411\u4e0e\u672c\u5730\u63a5\u53e3\u4e0a\u5730\u5740\u5339\u914d\u7684\u7f51\u7edc\u8fdb\u884c\u901a\u544a\uff1b\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/oss.wyxxt.org.cn\/images\/2021\/09\/18\/wp_editor_md_44faad0dd7ef338f3b2d984bc0ab41da.jpg\" alt=\"\" \/><\/p>\n<h3>TUN\u96a7\u9053\u6280\u672f<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/oss.wyxxt.org.cn\/images\/2021\/09\/18\/wp_editor_md_e7b2c207e5f4ed578305696b51a20691.jpg\" alt=\"\" \/><\/p>\n<h3>\u8d1f\u8f7d\u5747\u8861<\/h3>\n<p>\u6700\u5c11\u8fde\u63a5\u8d1f\u8f7d<\/p>\n<p>\u8d1f\u8f7d\u5747\u8861\u670d\u52a1\u5668\u5077\u7aa5\u6570\u636e\u5305\uff0c\u5e76\u8bb0\u5f55\u8d1f\u8f7d\u5230\u54ea\u53f0server<br \/>\nsync + ack \u5bf9\u5e94server \u8d1f\u8f7d+1<br \/>\nfinal + ack \u6216 ack + final \u5bf9\u5e94server \u8d1f\u8f7d-1<br \/>\n\u5728\u63e1\u624b\u548c\u5206\u624b\u4e4b\u95f4\u7684\u6570\u636e\u8bf7\u6c42\u5305\uff0c\u6839\u636e\u8bb0\u5f55\u8868\u8d1f\u8f7d\u5230\u5bf9\u5e94server<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/oss.wyxxt.org.cn\/images\/2021\/09\/18\/wp_editor_md_bdb801434c282c7adcc405bba6aeabdf.jpg\" alt=\"\" \/><\/p>\n<h3>\u8c03\u5ea6\u7b97\u6cd5<\/h3>\n<h4>\u56db\u79cd\u9759\u6001\uff1a<\/h4>\n<p>rr\uff1a\u8f6e\u5faa<br \/>\nwrr\uff1a<br \/>\ndh\uff1a<br \/>\nsh\uff1a<\/p>\n<h4>\u52a8\u6001\u8c03\u5ea6\u7b97\u6cd5\uff1a<\/h4>\n<p>lc\uff1a\u6700\u5c11\u8fde\u63a5\u6570<br \/>\nwl\uff1a\u52a0\u6743\u6700\u5c11\u8fde\u63a5<br \/>\nsed\uff1a\u6700\u77ed\u671f\u671b\u5ef6\u8fdf<br \/>\nnq\uff1anever queue<br \/>\nLBLC\uff1a\u57fa\u4e8e\u672c\u5730\u7684\u6700\u5c11\u8fde\u63a5<br \/>\nDH\uff1a<br \/>\nLBLCR\uff1a\u57fa\u4e8e\u672c\u5730\u7684\u5e26\u590d\u5236\u529f\u80fd\u7684\u6700\u5c11\u8fde\u63a5<\/p>\n<h3>ipvs\u5185\u6838\u6a21\u5757<\/h3>\n<p>lvs\u5df2\u7ecf\u96c6\u6210\u5230\u5185\u6838\u4e2d\uff0c\u5185\u6838\u4e2d\u7684ipvs\u6a21\u5757<\/p>\n<p>\u4f7f\u7528ipvs\u5185\u6838\u6a21\u5757\uff0c\u9700\u8981\u5b89\u88c5\u7528\u6237\u7684\u7a7a\u95f4\u7a0b\u5e8f<\/p>\n<pre><code class=\"language-shell line-numbers\">yum install ipvsadm -y #\u7528\u6237\u7a7a\u95f4\u7a0b\u5e8f\uff08\u5ba2\u6237\u7aef\uff09\n<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/oss.wyxxt.org.cn\/images\/2021\/09\/18\/wp_editor_md_a4ff0c890226e63e9b24d9220d779c1b.jpg\" alt=\"\" \/><\/p>\n<h3>\u7ba1\u7406\u96c6\u7fa4\u670d\u52a1<\/h3>\n<p>\u6dfb\u52a0\uff1a -A -t|u|f service-address [-s scheduler]<br \/>\n-t:TCP\u534f\u8bae\u7684\u96c6\u7fa4<br \/>\n-u:UDP\u534f\u8bae\u7684\u96c6\u7fa4<br \/>\nservice-address: IP:PORT<br \/>\n-f:fwm:\u9632\u706b\u5899\u6807\u8bb0<br \/>\nservice-address:Mark Number<br \/>\n\u4fee\u6539\uff1a-E<br \/>\n\u5220\u9664\uff1a-D -t|u|f service-address<\/p>\n<pre><code class=\"language-shell line-numbers\">ipvsadm -A -t 192.168.9.100:80 -s rr\n<\/code><\/pre>\n<h3>\u7ba1\u7406\u96c6\u7fa4\u670d\u52a1\u4e2d\u7684RS<\/h3>\n<p>\u6dfb\u52a0\uff1a-a -t|u|f service-address -r server-address [-g|i|m] [-w weight]<br \/>\n-t|u|f service-address:\u4e8b\u5148\u5b9a\u4e49\u597d\u7684\u67d0\u96c6\u7fa4\u670d\u52a1<br \/>\n-r server-address:\u67d0RS\u7684\u5730\u5740\uff0c\u5728NAT\u6a21\u578b\u4e2d\uff0c\u53ef\u4f7f\u7528IP:PORT\u5b9e\u73b0\u7aef\u53e3\u6620\u5c04\uff1b<br \/>\n<code>-g|i|m<\/code>:LVS\u7c7b\u578b<br \/>\n-g\uff1aDR<br \/>\n-i\uff1aTUN<br \/>\n-m\uff1aNAT<br \/>\n<code>-w weight<\/code>:\u5b9a\u4e49\u670d\u52a1\u5668\u6743\u91cd<br \/>\n\u4fee\u6539\uff1a-e<br \/>\n\u5220\u9664\uff1a-d -t|u|f service-address -r server-address<\/p>\n<pre><code class=\"language-shell line-numbers\">ipvsadm -a -t 172.16.100.1:80 -r 192.168.10.8 -g\nipvsadm -a -t 172.16.100.1:80 -r 192.168.10.9 -g\n<\/code><\/pre>\n<p>\u67e5\u770b<br \/>\n-L|l<br \/>\n-n:\u6570\u5b57\u683c\u5f0f\u663e\u793a\u4e3b\u673a\u5730\u5740\u548c\u7aef\u53e3<br \/>\n&#8211;stats:\u7edf\u8ba1\u6570\u636e<br \/>\n&#8211;rate:\u901f\u7387<br \/>\n&#8211;timeout:\u663e\u793atcp\u3001tcpfin\u548cudp\u7684\u7ed8\u753b\u8d85\u65f6\u65f6\u957f<br \/>\n-c:\u663e\u793a\u5f53\u524d\u7684ipvs\u8fde\u63a5\u72b6\u51b5<br \/>\n\u5220\u9664\u6240\u6709\u96c6\u7fa4\u670d\u52a1<br \/>\n-C:\u6e05\u7a7aipvs\u89c4\u5219<br \/>\n\u4fdd\u5b58\u89c4\u5219<br \/>\n-S<\/p>\n<pre><code class=\"language-shell line-numbers\">ipvsadm -S &gt; \/path\/to\/somefile\n<\/code><\/pre>\n<p>\u8f7d\u5165\u6b64\u524d\u7684\u89c4\u5219\uff1a<br \/>\n-R<\/p>\n<pre><code class=\"language-shell line-numbers\">ipvsadm -R &lt; \/path\/form\/somefiel\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u5bb6\u7528\u8def\u7531\u5668 S-NAT source network address translation \u6e90\u7f51\u7edc\u5730\u5740\u8f6c\u6362  [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[15],"tags":[390],"class_list":["post-2170","post","type-post","status-publish","format-standard","hentry","category-15","tag-390"],"_links":{"self":[{"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=\/wp\/v2\/posts\/2170","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2170"}],"version-history":[{"count":20,"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=\/wp\/v2\/posts\/2170\/revisions"}],"predecessor-version":[{"id":3634,"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=\/wp\/v2\/posts\/2170\/revisions\/3634"}],"wp:attachment":[{"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2170"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2170"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2170"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}