{"id":1288,"date":"2020-01-13T14:05:28","date_gmt":"2020-01-13T06:05:28","guid":{"rendered":"http:\/\/iqotom.com\/?p=1288"},"modified":"2020-01-13T14:06:20","modified_gmt":"2020-01-13T06:06:20","slug":"%e5%a6%82%e4%bd%95%e5%ae%89%e8%a3%85%e9%85%8d%e7%bd%aedhcpserver%e5%b9%b6%e5%85%b1%e4%ba%abinternet%e8%bf%9e%e6%8e%a5","status":"publish","type":"post","link":"http:\/\/iqotom.com\/?p=1288","title":{"rendered":"Ubuntu\u5b89\u88c5\u914d\u7f6eDHCP Server\u5e76\u5171\u4eabInternet\u8fde\u63a5"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u4ecb\u7ecd<\/h2>\n\n\n\n<p> \u3000\u3000\u6b64\u65b9\u6cd5\u5c06\u5728Ubuntu16.04.6\u684c\u9762\u7cfb\u7edf\u4e0a\u901a\u8fc7DHCP Server\u6765\u5b8c\u6210\u3002\u6b64\u8bbe\u7f6e\u4f7f\u7528\u4e24\u4e2a\u4ee5\u592a\u7f51\u5361\u3002<br>\u3000\u3000Ubuntu\u4eceenp1s0\u83b7\u5f97\u4e92\u8054\u7f51\u94fe\u63a5\uff0c\u901a\u8fc7enp2s0(\u7f51\u53612)\u5c06DHCP\u5206\u914d\u7ed9\u5176\u4ed6\u8bbe\u5907\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"922\" height=\"219\" src=\"http:\/\/iqotom.com\/wp-content\/uploads\/2020\/01\/ConnectionSharingDHCP3_ver3.png\" alt=\"\" class=\"wp-image-1289\" srcset=\"http:\/\/iqotom.com\/wp-content\/uploads\/2020\/01\/ConnectionSharingDHCP3_ver3.png?v=1585627801 922w, http:\/\/iqotom.com\/wp-content\/uploads\/2020\/01\/ConnectionSharingDHCP3_ver3-300x71.png?v=1585627801 300w, http:\/\/iqotom.com\/wp-content\/uploads\/2020\/01\/ConnectionSharingDHCP3_ver3-768x182.png?v=1585627801 768w, http:\/\/iqotom.com\/wp-content\/uploads\/2020\/01\/ConnectionSharingDHCP3_ver3-660x157.png?v=1585627801 660w\" sizes=\"(max-width: 922px) 100vw, 922px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u7f51\u5361<\/h2>\n\n\n\n<p>Ubuntu\u7f51\u5361\u9a71\u52a8\u6b63\u5e38\uff0c\u80fd\u591f\u6b63\u5e38\u83b7\u53d6\u5230\u7f51\u5361\u4fe1\u606f\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>cat \/proc\/net\/dev<\/code><\/pre>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"642\" height=\"147\" src=\"http:\/\/iqotom.com\/wp-content\/uploads\/2020\/01\/dhcpserver_01.png\" alt=\"\" class=\"wp-image-1292\" srcset=\"http:\/\/iqotom.com\/wp-content\/uploads\/2020\/01\/dhcpserver_01.png?v=1585627799 642w, http:\/\/iqotom.com\/wp-content\/uploads\/2020\/01\/dhcpserver_01-300x69.png?v=1585627799 300w\" sizes=\"(max-width: 642px) 100vw, 642px\" \/><figcaption>net dev<\/figcaption><\/figure><\/div>\n\n\n\n<ol><li>enp1s0\u2014\u2014enp4s0 \u5206\u522b\u5bf9\u5e94\u4e861-4\u53f7\u7f51\u5361 \uff1b<\/li><li>wlp5s0\u4e3a\u65e0\u7ebf\u7f51\u5361\uff1a\u578b\u53f7RTL8821AE\uff1b<\/li><li>enp1s0\u548cwlp5s0\u90fd\u53ef\u4ee5\u8bbf\u95ee\u4e92\u8054\u7f51\uff1b<\/li><\/ol>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"642\" height=\"350\" src=\"http:\/\/iqotom.com\/wp-content\/uploads\/2020\/01\/dhcpserver_02.png\" alt=\"\" class=\"wp-image-1293\" srcset=\"http:\/\/iqotom.com\/wp-content\/uploads\/2020\/01\/dhcpserver_02.png?v=1585627797 642w, http:\/\/iqotom.com\/wp-content\/uploads\/2020\/01\/dhcpserver_02-300x164.png?v=1585627797 300w\" sizes=\"(max-width: 642px) 100vw, 642px\" \/><figcaption>ifconfig netdev<\/figcaption><\/figure><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">DHCP Server\u5b89\u88c5\u914d\u7f6e<\/h2>\n\n\n\n<p>\u6240\u6709\u547d\u4ee4\u5747\u5728root\u6743\u9650\u5b8c\u6210\u3002<\/p>\n\n\n\n<p><strong>1\u3001\u5b89\u88c5dhcpsserver\u8f6f\u4ef6\u5305<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>apt-get install isc-dhcp-server<\/code><\/pre>\n\n\n\n<p><strong>2\u3001\u914d\u7f6e\u9759\u6001IP\u5730\u5740<\/strong><\/p>\n\n\n\n<p>\u3000\u624b\u52a8IP\uff1a<code>ip addr add 192.168.10.1\/24 dev enp1s0<\/code><\/p>\n\n\n\n<p>\u3000\u81ea\u52a8IP\uff1a\u4fee\u6539\u6587\u4ef6<code>\/etc\/network\/interfaces<\/code>\uff0c\u6dfb\u52a0\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>auto enp2s0\niface enp2s0 inet static\n\taddress 192.168.10.1\n\tnetmask 255.255.255.0<\/code><\/pre>\n\n\n\n<p>\u3000ip addr\u6d4b\u901f\u7ed3\u679c\u5982\u4e0b\uff1a<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"501\" height=\"241\" src=\"http:\/\/iqotom.com\/wp-content\/uploads\/2020\/01\/dhcpserver_03.png\" alt=\"\" class=\"wp-image-1294\" srcset=\"http:\/\/iqotom.com\/wp-content\/uploads\/2020\/01\/dhcpserver_03.png?v=1585627798 501w, http:\/\/iqotom.com\/wp-content\/uploads\/2020\/01\/dhcpserver_03-300x144.png?v=1585627798 300w\" sizes=\"(max-width: 501px) 100vw, 501px\" \/><\/figure><\/div>\n\n\n\n<p><strong>3\u3001\u5206\u914d\u52a8\u6001IP<\/strong><\/p>\n\n\n\n<p>\u3000\u7f16\u8f91<code>\/etc\/dhcp\/dhcpd.conf<\/code>\uff0c\u6dfb\u52a0\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>subnet 192.168.10.0 netmask 255.255.255.0 {\n    range 192.168.10.10 192.168.10.100;\n    option domain-name \"SOMENAME\";\n    option domain-name-servers 192.168.10.1, 192.168.10.2;\n    option routers 192.168.10.1;\n    option broadcast-address 192.168.10.255;\n    default-lease-time 600;\n    max-lease-time 7200;\n}<\/code><\/pre>\n\n\n\n<p>\u3000 eth1\u7684IP\u5730\u5740\u4e3a192.168.10.1\uff0cdhcp\u670d\u52a1\u5668\u73b0\u5728\u5c06\u5176\u7528\u4f5c\u5176\u672c\u5730ip\u5730\u5740\u3002<\/p>\n\n\n\n<p><strong>\uff14\u3001\u76d1\u542c\u7f51\u5361<\/strong><\/p>\n\n\n\n<p> \u6253\u5f00\u6587\u4ef6\/etc\/default\/isc-dhcp-server \uff0c\u4fee\u6539\u6700\u540e\u4e00\u53e5\u4ee3\u7801\uff0c\u9ed8\u8ba4\u662feth0<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>INTERFACES=\"enp2s0\"<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>DHCP Server\u914d\u7f6e\u7ed3\u675f\uff01<\/strong><\/h3>\n\n\n\n<h2 class=\"wp-block-heading\">\u542f\u52a8DHCP Server<\/h2>\n\n\n\n<p>\u8f93\u5165\u4e0b\u9762\u7684\u547d\u4ee4\u8fd0\u884cDHCP Server<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/etc\/init.d\/isc-dhcp-server restart<\/code><\/pre>\n\n\n\n<p> \u5982\u679c\u62a5\u544a\u5931\u8d25\uff0c\u5219\u67e5\u770b\u9519\u8bef\u65e5\u5fd7\u6587\u4ef6\uff08<code>\/var\/log\/syslog<\/code>\uff0c\u7136\u540e\u6309END\u67e5\u770b\u6700\u540e\u4e8b\u4ef6\uff09 <\/p>\n\n\n\n<p>\u67e5\u770b\u662f\u5426\u542f\u52a8\u6210\u529f\uff0c\u5982\u679c\u6210\u529f\u4f1a\u663e\u793adhcpd<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>netstat -uap<\/code><\/pre>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"642\" height=\"169\" src=\"http:\/\/iqotom.com\/wp-content\/uploads\/2020\/01\/dhcpserver_04.png\" alt=\"\" class=\"wp-image-1290\" srcset=\"http:\/\/iqotom.com\/wp-content\/uploads\/2020\/01\/dhcpserver_04.png?v=1585627800 642w, http:\/\/iqotom.com\/wp-content\/uploads\/2020\/01\/dhcpserver_04-300x79.png?v=1585627800 300w\" sizes=\"(max-width: 642px) 100vw, 642px\" \/><figcaption>dhcpd<\/figcaption><\/figure><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">\u914d\u7f6e\u9632\u706b\u5899<\/h2>\n\n\n\n<p><strong>1\u3001\u542f\u52a8ipv4\u8f6c\u53d1<\/strong><\/p>\n\n\n\n<p>\u3000\u6253\u5f00\u6587\u4ef6<code>\/etc\/sysctl.conf<\/code><br>\u3000\u53d6\u6d88\u6ce8\u91ca<code>net.ipv4.ip_forward=1<\/code>\uff0c\u5982\u679c\u6ca1\u6709\u5c31\u81ea\u5df1\u52a0\u4e0a<\/p>\n\n\n\n<p><strong>2\u3001\u542f\u7528\u8f6c\u53d1\u800c\u4e0d\u91cd\u542f<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>echo 1 > \/proc\/sys\/net\/ipv4\/ip_forward<\/code><\/pre>\n\n\n\n<p><strong>3\u3001\u542f\u52a8NAT\uff0c\u6dfb\u52a0\u9632\u706b\u5899\u89c4\u5219\u542f\u52a8\u6570\u636e\u5305\u6570\u636e\u5305\u8f6c\u53d1<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>iptables -t nat -A POSTROUTING -o enp1s0 -j MASQUERADE \niptables -t nat -A POSTROUTING -o wlp5s0 -j MASQUERADE<\/code><\/pre>\n\n\n\n<p><strong>4\u3001\u4fdd\u5b58\u914d\u7f6e<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>iptables-save > \/etc\/iptables.rules<\/code><\/pre>\n\n\n\n<p><strong>5\u3001\u52a0\u8f7d\u9632\u706b\u5899\u89c4\u5219<\/strong><\/p>\n\n\n\n<p>\u3000\u6253\u5f00<code>\/etc\/network\/interfaces<\/code>\uff0c\u6dfb\u52a0\u9632\u706b\u5899\u89c4\u5219<br>\u3000\u5b8c\u6574\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># interfaces(5) file used by ifup(8) and ifdown(8)\nauto lo\niface lo inet loopback\n\nauto enp1s0\niface enp1s0 inet dhcp\n    pre-up iptables-restore &lt; \/etc\/iptables.rules\n    post-down iptables-save > \/etc\/iptables.rules\n\nauto wlp5s0\niface wlp5s0 inet dhcp\n    pre-up iptables-restore &lt; \/etc\/iptables.rules\n    post-down iptables-save > \/etc\/iptables.rules\n\n#The extended interfaces\nauto enp2s0\niface enp2s0 inet static\n    address 192.168.10.1\n    netmask 255.255.255.0<\/code><\/pre>\n\n\n\n<p><strong>\u5982\u679c\u51fa\u73b0\u65e0\u6cd5\u83b7\u53d6IP\uff0c\u6216\u8005\u65e0\u6cd5\u8bbf\u95ee\u5916\u7f51\u7b49\uff0c\u91cd\u542f\u4e0b\u7f51\u7edc\u8bd5\u8bd5<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/etc\/init.d\/networking restart\nsystemctl status networking.server \/\/\u67e5\u770b\u670d\u52a1\u662f\u5426\u8fd0\u884c\u6210\u529f<\/code><\/pre>\n\n\n\n<p>\u5b8c\u6210\u4ee5\u4e0a\u914d\u7f6e\u540e\uff0c\u901a\u8fc7Ubuntu DHCP Server\u83b7\u53d6\u7f51\u7edc\u7684\u8bbe\u5907\u4e5f\u80fd\u6b63\u5e38\u8bbf\u95eeInternet<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4ecb\u7ecd \u3000\u3000\u6b64\u65b9\u6cd5\u5c06\u5728Ubuntu16.04.6\u684c\u9762\u7cfb\u7edf\u4e0a\u901a\u8fc7DHCP Server\u6765\u5b8c\u6210\u3002\u6b64\u8bbe\u7f6e\u4f7f\u7528\u4e24\u4e2a\u4ee5\u592a\u7f51\u2026 <span class=\"read-more\"><a href=\"http:\/\/iqotom.com\/?p=1288\">Read More &raquo;<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":1304,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[106,13],"_links":{"self":[{"href":"http:\/\/iqotom.com\/index.php?rest_route=\/wp\/v2\/posts\/1288"}],"collection":[{"href":"http:\/\/iqotom.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/iqotom.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/iqotom.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/iqotom.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1288"}],"version-history":[{"count":12,"href":"http:\/\/iqotom.com\/index.php?rest_route=\/wp\/v2\/posts\/1288\/revisions"}],"predecessor-version":[{"id":1307,"href":"http:\/\/iqotom.com\/index.php?rest_route=\/wp\/v2\/posts\/1288\/revisions\/1307"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/iqotom.com\/index.php?rest_route=\/wp\/v2\/media\/1304"}],"wp:attachment":[{"href":"http:\/\/iqotom.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1288"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/iqotom.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1288"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/iqotom.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1288"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}