{"id":1473,"date":"2026-07-02T12:04:47","date_gmt":"2026-07-02T04:04:47","guid":{"rendered":"https:\/\/www.tgwttt.xyz\/?p=1473"},"modified":"2026-07-02T12:04:47","modified_gmt":"2026-07-02T04:04:47","slug":"%e5%bc%b1%e7%bd%91%e7%8e%af%e5%a2%83%e7%9a%84%e6%90%ad%e5%bb%ba%e4%bb%a5%e5%8f%8alan%e3%80%81wan%e5%8f%a3%e7%9a%84%e8%bd%ac%e5%8f%98","status":"publish","type":"post","link":"https:\/\/www.tgwttt.xyz\/?p=1473","title":{"rendered":"\u5f31\u7f51\u73af\u5883\u7684\u642d\u5efa\u4ee5\u53calan\u3001wan\u53e3\u7684\u8f6c\u53d8"},"content":{"rendered":"\n

\u5f88\u4e45\u6ca1\u6709\u6ca1\u6709\u66f4\u65b0\u535a\u5ba2\u4e86\uff0c\u6709\u65e0\u5de5\u4f5c\u9700\u6c42\uff0c\u6211\u4eec\u9700\u8981\u4e00\u4e9b\u5f31\u7f51\u73af\u5883\uff0c\u81ea\u5df1\u7422\u78e8\u4e4b\u540e\u5206\u4eab\u51fa\u6765<\/p>\n\n\n\n

\u6750\u6599\uff1a\u4e00\u4e2a\u5237\u5b8c\u673a\u7684openwrt \u8def\u7531\u5668<\/p>\n\n\n\n

\u4eac\u4e1c\u94fe\u63a5\uff1ahttps:\/\/item.jd.com\/10161701145780.html?pcdk=VgmDHurGt2PCjaIpd-VQo78Mtcdq0ea595jEaq11U2UYdldvV26_X-CsOXmhpy6z.3z6a.aI3x&spmTag=YTAyMTkuYjAwMjM1Ni5jMDAwMDcyMTAua2V5d29yZF9lbnRlciU0MDE3ODA0OTE5OTA3OTUlMjMxNzcyNzAyMTUxNTAyMTM0Mzc4Mjk2MiUyMzEwODI5OTgxMTIlMkNhMDI0MC5iMDAyNDkzLmMwMDAwNDAyNy42JTIzc2t1X2NhcmQlNDAxNzgwNDkxOTk5ODg5JTIzMTc3MjcwMjE1MTUwMjEzNDM3ODI5NjIlMjMxNjk3MDQ1NjA3<\/a><\/p>\n\n\n\n

\u7b2c\u4e00\u6b65\uff1a\u5b89\u88c5tc\u5de5\u5177\uff1a<\/h2>\n\n\n\n
ssh root@10.0.0.1\nopkg update\n# \u5b89\u88c5 tc \u548c netem \u5185\u6838\u6a21\u5757<\/em>\nopkg install tc-tiny kmod-netem kmod-ifb\n\n# \u9a8c\u8bc1\u5b89\u88c5<\/em>\ntc -V# \u8f93\u51fa\uff1atc utility, iproute2-6.3.0<\/em><\/code><\/pre>\n\n\n\n
\u7b2c\u4e8c\u6b65\uff1a\u786e\u5b9a\u7f51\u5361\u540d<\/h2>\n\n\n\n
ip addr show<\/p>\n\n\n\n
\u7b2c\u4e09\u6b65\uff1a\u76f4\u63a5\u6a21\u62df\u5f31\u7f51\u73af\u5883<\/h2>\n\n\n\n
\u573a\u666f<\/td>\u547d\u4ee4<\/td><\/tr>
4G \u4e00\u822c<\/strong><\/td>tc qdisc add dev eth1 root netem delay 50ms 15ms loss 0.5%<\/code><\/td><\/tr>
4G \u5f31\u7f51\uff08\u5730\u94c1\uff09<\/strong><\/td>tc qdisc add dev eth1 root netem delay 150ms 50ms loss 3%<\/code><\/td><\/tr>
5G \u5f31\u7f51<\/strong><\/td>tc qdisc add dev eth1 root netem delay 80ms 30ms loss 1%<\/code><\/td><\/tr>
\u6781\u7aef\u5f31\u7f51\uff08\u7535\u68af\uff09<\/strong><\/td>tc qdisc add dev eth1 root netem delay 300ms 100ms loss 5%<\/code><\/td><\/tr>
\u5173\u95ed\u5f31\u7f51<\/strong><\/td>tc qdisc del dev eth1 root<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\u5177\u4f53\u53c2\u6570\u89e3\u6790\uff1a<\/p>\n\n\n\n
tc qdisc add dev eth1 root netem delay 50ms 15ms loss 0.5%<\/code><\/p>\n\n\n\n
\u53c2\u6570<\/td>\u4f5c\u7528<\/td>\u793a\u4f8b\u503c<\/td><\/tr>
tc<\/code><\/td>Traffic Control\uff0cLinux \u6d41\u91cf\u63a7\u5236\u5de5\u5177<\/td>–<\/td><\/tr>
qdisc<\/code><\/td>Queueing Discipline\uff0c\u961f\u5217\u89c4\u5219<\/td>–<\/td><\/tr>
add<\/code><\/td>\u6dfb\u52a0\u89c4\u5219<\/td>del<\/code> = \u5220\u9664\uff0cchange<\/code> = \u4fee\u6539<\/td><\/tr>
dev eth1<\/code><\/td>\u4f5c\u7528\u5728 eth1 \u7f51\u5361\u4e0a<\/td>eth0<\/code>\u3001wlan0<\/code>\u3001pppoe-wan<\/code><\/td><\/tr>
root<\/code><\/td>\u6302\u5728\u6839\u961f\u5217\u4e0a\uff08\u6240\u6709\u6d41\u91cf\u90fd\u7ecf\u8fc7\uff09<\/td>parent 1:1<\/code> = \u6302\u5728\u67d0\u4e2a\u5b50\u7c7b\u4e0a<\/td><\/tr>
netem<\/code><\/td>Network Emulation\uff0c\u7f51\u7edc\u6a21\u62df\u6a21\u5757<\/td>\u4e13\u95e8\u6a21\u62df\u5ef6\u8fdf\u3001\u4e22\u5305\u3001\u6296\u52a8<\/td><\/tr>
delay 50ms<\/code><\/td>\u6bcf\u4e2a\u6570\u636e\u5305\u5ef6\u8fdf 50 \u6beb\u79d2\u518d\u53d1\u9001<\/td>50ms\u3001150ms\u3001300ms<\/td><\/tr>
15ms<\/code><\/td>\u6296\u52a8\uff1a\u5b9e\u9645\u5ef6\u8fdf\u5728 35~65ms \u4e4b\u95f4\u968f\u673a\u6ce2\u52a8<\/td>\u57fa\u7840\u5ef6\u8fdf \u00b1 \u6296\u52a8\u8303\u56f4<\/td><\/tr>
loss 0.5%<\/code><\/td>\u968f\u673a\u4e22\u5f03 0.5% \u7684\u6570\u636e\u5305<\/td>0.5%\u30013%\u30015%<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\u67e5\u770b\u89c4\u5219<\/h2>\n\n\n\n
tc qdisc show dev eth1<\/p>\n\n\n\n
\u6d4b\u8bd5\u5ef6\u8fdf\u548c\u4e22\u5305<\/h2>\n\n\n\n
ping -c 20 223.5.5.5<\/p>\n\n\n\n
\u6548\u679c\u5982\u4e0b\uff1a<\/p>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\u5ef6\u8fdf\u548c\u6296\u52a8\u660e\u663e<\/p>\n\n\n\n
\u5c06WAN\u8bbe\u7f6e\u4e3aLAN<\/h1>\n\n\n\n
\u5c06wan\u53e3\u6539\u4e3alan\u53e3\uff1a<\/p>\n\n\n\n
cat > \/root\/wan_to_lan.sh << 'EOF'\n#!\/bin\/sh\nuci delete network.wan\nuci delete network.wan6\nuci set network.@device[0].ports='lan1 lan2 lan3 eth1'\nuci commit network\n\/etc\/init.d\/network restart\necho \"eth1 \u5df2\u6539\u4e3a LAN \u53e3\"\nEOF\nchmod +x \/root\/wan_to_lan.sh<\/code><\/pre>\n\n\n\n
\u6062\u590d\uff1a<\/p>\n\n\n\n
cat > \/root\/lan_to_wan.sh << 'EOF'\n#!\/bin\/sh\nuci set network.@device[0].ports='lan1 lan2 lan3'\nuci set network.wan=interface\nuci set network.wan.device='eth1'\nuci set network.wan.proto='dhcp'\nuci set network.wan6=interface\nuci set network.wan6.device='eth1'\nuci set network.wan6.proto='dhcpv6'\nuci commit network\n\/etc\/init.d\/network restart\necho \"eth1 \u5df2\u6062\u590d\u4e3a WAN \u53e3\"\nEOF\nchmod +x \/root\/lan_to_wan.sh<\/code><\/pre>\n\n\n\n
\u67e5\u770b\u662f\u5426\u66f4\u6539\uff1a<\/p>\n\n\n\n
uci show network.@device[0]<\/p>\n\n\n\n
\u6548\u679c\uff1a<\/p>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\u811a\u672c:\u5747\u5728root\u76ee\u5f55\u4e0b<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5f88\u4e45\u6ca1\u6709\u6ca1\u6709\u66f4\u65b0\u535a\u5ba2\u4e86\uff0c\u6709\u65e0\u5de5\u4f5c\u9700\u6c42\uff0c\u6211\u4eec\u9700\u8981\u4e00\u4e9b\u5f31\u7f51\u73af\u5883\uff0c\u81ea\u5df1\u7422\u78e8\u4e4b\u540e\u5206\u4eab\u51fa\u6765 \u6750\u6599\uff1a\u4e00\u4e2a\u5237\u5b8c\u673a\u7684openw…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[7],"tags":[],"class_list":["post-1473","post","type-post","status-publish","format-standard","hentry","category-7"],"_links":{"self":[{"href":"https:\/\/www.tgwttt.xyz\/index.php?rest_route=\/wp\/v2\/posts\/1473","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tgwttt.xyz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tgwttt.xyz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tgwttt.xyz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tgwttt.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1473"}],"version-history":[{"count":1,"href":"https:\/\/www.tgwttt.xyz\/index.php?rest_route=\/wp\/v2\/posts\/1473\/revisions"}],"predecessor-version":[{"id":1478,"href":"https:\/\/www.tgwttt.xyz\/index.php?rest_route=\/wp\/v2\/posts\/1473\/revisions\/1478"}],"wp:attachment":[{"href":"https:\/\/www.tgwttt.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1473"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tgwttt.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1473"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tgwttt.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1473"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}