{"id":737,"date":"2026-01-23T14:03:55","date_gmt":"2026-01-23T06:03:55","guid":{"rendered":"https:\/\/www.axeuh.com\/?p=737"},"modified":"2026-01-25T14:16:48","modified_gmt":"2026-01-25T06:16:48","slug":"%e6%9c%9f%e6%9c%ab","status":"publish","type":"post","link":"https:\/\/www.axeuh.com\/index.php\/2026\/01\/23\/%e6%9c%9f%e6%9c%ab\/","title":{"rendered":"\u671f\u672b"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/www.axeuh.com\/wp-content\/uploads\/2026\/01\/image.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"865\" height=\"406\" data-original=\"https:\/\/www.axeuh.com\/wp-content\/uploads\/2026\/01\/image.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-738\"  sizes=\"auto, (max-width: 865px) 100vw, 865px\" \/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f60\u597d\uff01\u6211\u662f<strong>\u601d\u79d1\u4e4b\u738b<\/strong>\u3002\u5f88\u9ad8\u5174\u80fd\u534f\u52a9\u4f60\u653b\u514b\u8fd9\u4e2a\u7f51\u7edc\u62d3\u6251\u3002\u8fd9\u5f20\u56fe\u6db5\u76d6\u4e86\u4ea4\u6362\u6280\u672f\uff08VLAN\u3001Trunk\u3001SVI\uff09\u3001\u8def\u7531\u6280\u672f\uff08OSPF\uff09\u3001\u670d\u52a1\u914d\u7f6e\uff08DHCP\u3001DNS\u3001WWW\u3001IoT\uff09\u4ee5\u53ca\u8fb9\u754c\u5b89\u5168\u6280\u672f\uff08ACL\u3001NAT\uff09\uff0c\u662f\u4e00\u4e2a\u975e\u5e38\u7ecf\u5178\u4e14\u7efc\u5408\u7684 CCNA\/CCNP \u7ea7\u522b\u5b9e\u6218\u6848\u4f8b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3a\u4e86\u786e\u4fdd\u4f60\u80fd\u591f\u987a\u5229\u5b8c\u6210\u914d\u7f6e\uff0c\u6211\u4eec\u5c06\u628a\u4efb\u52a1\u62c6\u89e3\u4e3a <strong>\u516d\u5927\u6a21\u5757<\/strong>\u3002\u8bf7\u52a1\u5fc5\u6309\u7167\u987a\u5e8f\u64cd\u4f5c\uff0c\u5207\u52ff\u8df3\u6b65\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u524d\u7f6e\u8bf4\u660e\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5173\u4e8e <code>*<\/code> \u53f7<\/strong>\uff1a\u9898\u76ee\u4e2d\u6240\u6709\u7684 <code>*<\/code> \u4ee3\u8868\u4f60\u7684\u4e2a\u4eba\u6807\u8bc6\uff08\u5982\u5b66\u53f7\u540e\u4e00\u4f4d\u6216\u7279\u5b9a\u6570\u5b57\uff09\u3002<strong>\u5728\u4e0b\u65b9\u7684\u6559\u5b66\u4ee3\u7801\u4e2d\uff0c\u6211\u5c06\u7edf\u4e00\u4f7f\u7528\u6570\u5b57 <code>1<\/code> \u4ee3\u66ff <code>*<\/code><\/strong>\u3002\u8bf7\u4f60\u5728\u914d\u7f6e\u65f6\uff0c\u52a1\u5fc5\u5c06 <code>1<\/code> \u66ff\u6362\u4e3a\u4f60\u5b9e\u9645\u7684\u6570\u5b57\uff08\u4f8b\u5982\u4f60\u7684\u5b66\u53f7\u662f ZhangSan\uff0c\u53ef\u80fd\u5bf9\u5e94\u6570\u5b57 8\uff0c\u90a3\u5c31\u628a 192.1.10.254 \u6362\u6210 192.8.10.254\uff09\u3002<\/li>\n\n\n\n<li><strong>\u5173\u4e8e\u7aef\u53e3<\/strong>\uff1a\u7531\u4e8e\u622a\u56fe\u65e0\u6cd5\u5b8c\u5168\u770b\u6e05\u5177\u4f53\u8fde\u63a5\u7684\u7269\u7406\u63a5\u53e3\u53f7\uff08\u5982 Fa0\/1 \u8fd8\u662f Gi0\/1\uff09\uff0c\u6211\u5c06\u57fa\u4e8e\u9898\u76ee\u63cf\u8ff0\u548c\u901a\u7528\u4e60\u60ef\u8fdb\u884c\u5047\u8bbe\u3002<strong>\u8bf7\u4f60\u5728\u8fde\u7ebf\u65f6\uff0c\u52a1\u5fc5\u786e\u8ba4\u7ebf\u7f06\u63d2\u5728\u6b63\u786e\u7684\u7aef\u53e3\u4e0a\uff0c\u6216\u8005\u6839\u636e\u5b9e\u9645\u7aef\u53e3\u8c03\u6574\u6211\u7684\u547d\u4ee4\u3002<\/strong><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u6a21\u5757\u4e00\uff1a\u57fa\u7840\u914d\u7f6e\u4e0e\u5de6\u4fa7\u5185\u7f51\u63a5\u5165 (\u9898\u76ee\u8981\u6c42 1 &amp; 2.1-2.2)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u9996\u5148\uff0c\u6211\u4eec\u8981\u6253\u597d\u5730\u57fa\uff0c\u914d\u7f6e\u8bbe\u5907\u540d\u5e76\u5212\u5206 VLAN\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>1. \u8bbe\u5907\u547d\u540d (\u6240\u6709\u8bbe\u5907)<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fdb\u5165\u6bcf\u4e2a\u8bbe\u5907\uff0c\u914d\u7f6e Hostname\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bash<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Router&gt; enable\nRouter# conf t\nRouter(config)# hostname SW1-zhangsan  ! \u8bf7\u6309\u56fe\u793a\u4fee\u6539 R0, R1, SW2 \u7b49\u540d\u79f0\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>2. \u914d\u7f6e\u4e8c\u5c42\u63a5\u5165\u4ea4\u6362\u673a SW21 \u548c SW22<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u4eec\u9700\u8981\u521b\u5efa VLAN\uff0c\u5e76\u5c06\u7aef\u53e3\u5212\u5206\u8fdb\u53bb\uff0c\u540c\u65f6\u914d\u7f6e\u4e0a\u8054\u53e3\u4e3a Trunk\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>SW21 \u914d\u7f6e\uff1a<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Bash<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>SW21(config)# vlan 10\nSW21(config-vlan)# exit\nSW21(config)# vlan 20\nSW21(config-vlan)# exit\n! \u914d\u7f6e VLAN 10 \u63a5\u53e3\nSW21(config)# interface range fa0\/6-10, fa0\/22\nSW21(config-if-range)# switchport mode access\nSW21(config-if-range)# switchport access vlan 10\nSW21(config-if-range)# exit\n! \u914d\u7f6e VLAN 20 \u63a5\u53e3 (\u5de6\u4fa7\u4f3c\u4e4e\u53ea\u7528\u5230\u4e86VLAN10\u548c20\uff0c\u9898\u76ee\u8bf4VLAN20\u5305\u542b11-21,23)\nSW21(config)# interface range fa0\/11-21, fa0\/23\nSW21(config-if-range)# switchport mode access\nSW21(config-if-range)# switchport access vlan 20\nSW21(config-if-range)# exit\n! \u914d\u7f6e\u4e0a\u8054\u53e3 (\u5047\u8bbe\u8fde\u63a5 SW1 \u7684\u662f fa0\/1)\nSW21(config)# interface fa0\/1\nSW21(config-if)# switchport mode trunk\n<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>SW22 \u914d\u7f6e\uff1a<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Bash<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>! \u521b\u5efa VLAN\nSW22(config)# vlan 20\nSW22(config)# vlan 30\n! \u914d\u7f6e VLAN 20 \u63a5\u53e3\nSW22(config)# interface range fa0\/11-21, fa0\/23\nSW22(config-if-range)# switchport mode access\nSW22(config-if-range)# switchport access vlan 20\n! \u914d\u7f6e VLAN 30 \u63a5\u53e3 (IoT\u98ce\u6247)\nSW22(config)# interface range fa0\/6-10, fa0\/24\nSW22(config-if-range)# switchport mode access\nSW22(config-if-range)# switchport access vlan 30\n! \u914d\u7f6e\u4e0a\u8054\u53e3 trunk\nSW22(config)# interface fa0\/1\nSW22(config-if)# switchport mode trunk\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u6a21\u5757\u4e8c\uff1a\u6838\u5fc3\u4ea4\u6362\u4e0e DHCP \u670d\u52a1 (\u9898\u76ee\u8981\u6c42 2.3 &#8211; 2.4)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">SW1 \u662f\u5de6\u4fa7\u7f51\u7edc\u7684\u6838\u5fc3\uff0c\u5b83\u627f\u62c5\u7f51\u5173\u89d2\u8272\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>1. SW1 \u4e09\u5c42\u4ea4\u6362\u914d\u7f6e<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u91cd\u8981\uff1a<\/strong> \u4e09\u5c42\u4ea4\u6362\u673a\u5fc5\u987b\u5f00\u542f\u8def\u7531\u529f\u80fd\uff01<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bash<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>SW1(config)# ip routing  ! \u5f00\u542f\u8def\u7531\u529f\u80fd\uff0c\u975e\u5e38\u91cd\u8981\uff01\nSW1(config)# vlan 10\nSW1(config)# vlan 20\nSW1(config)# vlan 30\n! \u914d\u7f6e SVI (VLAN \u63a5\u53e3) \u4f5c\u4e3a\u7f51\u5173\nSW1(config)# interface vlan 10\nSW1(config-if)# ip address 192.1.10.254 255.255.255.0\nSW1(config-if)# no shutdown\nSW1(config)# interface vlan 20\nSW1(config-if)# ip address 192.1.20.254 255.255.255.0\nSW1(config)# interface vlan 30\nSW1(config-if)# ip address 192.1.30.254 255.255.255.0\n! \u914d\u7f6e\u8fde\u63a5\u4e0b\u5c42\u4ea4\u6362\u673a\u7684\u63a5\u53e3\u4e3a Trunk (\u5047\u8bbe fa0\/1 \u8fde\u63a5 SW21, fa0\/2 \u8fde\u63a5 SW22)\nSW1(config)# interface range fa0\/1 - 2\nSW1(config-if-range)# switchport trunk encapsulation dot1q\nSW1(config-if-range)# switchport mode trunk\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>2. \u914d\u7f6e DHCP \u670d\u52a1<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6392\u9664\u5730\u5740\u6bb5\uff0c\u5e76\u5efa\u7acb\u5730\u5740\u6c60\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bash<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>! \u6392\u9664\u5730\u5740 (\u6ce8\u610f\uff1aPacket Tracer \u4e2d\u901a\u5e38\u5148\u914d\u6392\u9664)\nSW1(config)# ip dhcp excluded-address 192.1.10.240 192.1.10.254\nSW1(config)# ip dhcp excluded-address 192.1.20.240 192.1.20.254\nSW1(config)# ip dhcp excluded-address 192.1.30.240 192.1.30.254\n\n! \u914d\u7f6e VLAN 10 \u5730\u5740\u6c60\nSW1(config)# ip dhcp pool VLAN10\nSW1(dhcp-config)# network 192.1.10.0 255.255.255.0\nSW1(dhcp-config)# default-router 192.1.10.254\nSW1(dhcp-config)# dns-server 200.1.2.241  ! \u5047\u8bbe DNS \u670d\u52a1\u5668IP\uff0c\u540e\u7eed\u9700\u5bf9\u5e94\n\n! \u914d\u7f6e VLAN 20 \u5730\u5740\u6c60\nSW1(config)# ip dhcp pool VLAN20\nSW1(dhcp-config)# network 192.1.20.0 255.255.255.0\nSW1(dhcp-config)# default-router 192.1.20.254\nSW1(dhcp-config)# dns-server 200.1.2.241\n\n! \u914d\u7f6e VLAN 30 \u5730\u5740\u6c60\nSW1(config)# ip dhcp pool VLAN30\nSW1(dhcp-config)# network 192.1.30.0 255.255.255.0\nSW1(dhcp-config)# default-router 192.1.30.254\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><em>\u9a8c\u8bc1\uff1a\u6b64\u65f6 PC1, PC2, PC3 \u5e94\u8bbe\u7f6e\u4e3a DHCP \u6a21\u5f0f\uff0c\u5e76\u80fd\u83b7\u53d6\u5230 IP \u5730\u5740\u3002<\/em><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u6a21\u5757\u4e09\uff1a\u53f3\u4fa7\u670d\u52a1\u5668\u7fa4\u4e0e\u9aa8\u5e72\u94fe\u8def (\u9898\u76ee\u8981\u6c42 3)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>1. \u914d\u7f6e SW23 (\u4e8c\u5c42)<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bash<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>SW23(config)# vlan 2\nSW23(config)# interface range fa0\/1 - 10 ! \u5047\u8bbe\u670d\u52a1\u5668\u63a5\u5728\u8fd9\u91cc\nSW23(config-if-range)# switchport mode access\nSW23(config-if-range)# switchport access vlan 2\nSW23(config)# interface fa0\/24 ! \u4e0a\u8054 SW2\nSW23(config-if)# switchport mode trunk\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>2. \u914d\u7f6e SW2 (\u4e09\u5c42)<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bash<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>SW2(config)# ip routing\nSW2(config)# vlan 2\nSW2(config)# interface vlan 2\nSW2(config-if)# ip address 200.1.2.254 255.255.255.240 ! \u6ce8\u610f\u9898\u76ee\u662f \/28 \u63a9\u7801 (255.255.255.240)\nSW2(config-if)# no shutdown\n! \u8fde\u63a5 SW23 \u7684\u63a5\u53e3\nSW2(config)# interface fa0\/24\nSW2(config-if)# switchport trunk encapsulation dot1q\nSW2(config-if)# switchport mode trunk\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>3. \u914d\u7f6e\u4e09\u5c42\u8def\u7531\u7aef\u53e3 (\u9aa8\u5e72\u8fde\u63a5)<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9898\u76ee\u8981\u6c42 SW2 \u542f\u7528\u4e09\u5c42\u8def\u7531\u7aef\u53e3\uff08No Switchport\uff09\u8fde\u63a5 R1\u3002\u6211\u4eec\u9700\u8981\u914d\u7f6e SW1, R1, SW2 \u4e4b\u95f4\u7684\u4e92\u8054\u5730\u5740\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>SW1 \u8fde\u63a5 R0 (\u5de6):<\/strong> (100.1.100.0\/30) -&gt; SW1 IP: .2, R0 IP: .1<\/li>\n\n\n\n<li><strong>SW1 \u8fde\u63a5 R1 (\u53f3):<\/strong> (172.1.10.0\/30) -&gt; SW1 IP: .1, R1 IP: .2<\/li>\n\n\n\n<li><strong>R1 \u8fde\u63a5 SW2 (\u53f3):<\/strong> (172.1.20.0\/30) -&gt; R1 IP: .1, SW2 IP: .2<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>SW1 \u914d\u7f6e:<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bash<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>! \u8fde\u63a5 R0 \u7684\u63a5\u53e3 (\u5047\u8bbe Fa0\/23)\nSW1(config)# interface fa0\/23\nSW1(config-if)# no switchport   ! \u53d8\u4e3a\u4e09\u5c42\u53e3\nSW1(config-if)# ip address 100.1.100.2 255.255.255.252\n! \u8fde\u63a5 R1 \u7684\u63a5\u53e3 (\u5047\u8bbe Fa0\/24)\nSW1(config)# interface fa0\/24\nSW1(config-if)# no switchport\nSW1(config-if)# ip address 172.1.10.1 255.255.255.252\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>R1 \u914d\u7f6e:<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bash<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>R1(config)# interface gig0\/0 ! \u5047\u8bbe\u8fde\u63a5 SW1\nR1(config-if)# ip address 172.1.10.2 255.255.255.252\nR1(config-if)# no shutdown\nR1(config)# interface gig0\/1 ! \u5047\u8bbe\u8fde\u63a5 SW2\nR1(config-if)# ip address 172.1.20.1 255.255.255.252\nR1(config-if)# no shutdown\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>SW2 \u914d\u7f6e:<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bash<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>! \u8fde\u63a5 R1 \u7684\u63a5\u53e3 (\u5047\u8bbe Fa0\/23) - \u9898\u76ee\u8981\u6c42 3.3\nSW2(config)# interface fa0\/23\nSW2(config-if)# no switchport\nSW2(config-if)# ip address 172.1.20.2 255.255.255.252\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>R0 \u914d\u7f6e (\u8fde\u63a5 SW1):<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bash<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>R0(config)# interface gig0\/1 ! \u5047\u8bbe\u8fde\u63a5 SW1\nR0(config-if)# ip address 100.1.100.1 255.255.255.252\nR0(config-if)# no shutdown\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u6a21\u5757\u56db\uff1aOSPF \u5168\u7f51\u901a\u4e0e\u8fdc\u7a0b\u7ba1\u7406 (\u9898\u76ee\u8981\u6c42 4)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u4eec\u5c06\u4f7f\u7528 OSPF \u533a\u57df 0 \u5b9e\u73b0\u4e92\u901a\u3002\u6ce8\u610f\uff1a\u4e0d\u8981\u5728\u8fde\u63a5 PC0 \u7684\u5916\u7f51\u63a5\u53e3\u4e0a\u542f\u7528 OSPF\uff0c\u6216\u8005\u5c06\u5176\u8bbe\u4e3a\u88ab\u52a8\u63a5\u53e3\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>1. R0 OSPF \u914d\u7f6e<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bash<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>R0(config)# router ospf 1\nR0(config-router)# network 100.1.100.0 0.0.0.3 area 0\nR0(config-router)# network 200.200.200.0 0.0.0.3 area 0\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>2. SW1 OSPF \u914d\u7f6e<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SW1 \u9700\u8981\u5ba3\u544a\u76f4\u8fde\u7f51\u6bb5\uff08\u5305\u62ec VLAN \u7f51\u6bb5\uff09\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bash<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>SW1(config)# router ospf 1\nSW1(config-router)# network 192.1.10.0 0.0.0.255 area 0\nSW1(config-router)# network 192.1.20.0 0.0.0.255 area 0\nSW1(config-router)# network 192.1.30.0 0.0.0.255 area 0\nSW1(config-router)# network 100.1.100.0 0.0.0.3 area 0\nSW1(config-router)# network 172.1.10.0 0.0.0.3 area 0\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>3. R1 OSPF \u4e0e \u8fdc\u7a0b\u767b\u5f55\u914d\u7f6e<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bash<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>! Loopback \u63a5\u53e3\nR1(config)# interface loopback 0\nR1(config-if)# ip address 4.4.4.4 255.255.255.0\n! OSPF\nR1(config)# router ospf 1\nR1(config-router)# network 172.1.10.0 0.0.0.3 area 0\nR1(config-router)# network 172.1.20.0 0.0.0.3 area 0\nR1(config-router)# network 4.4.4.0 0.0.0.255 area 0\n! Telnet \u914d\u7f6e\nR1(config)# enable secret cisco ! \u5fc5\u987b\u914d\u7279\u6743\u5bc6\u7801\nR1(config)# line vty 0 4\nR1(config-line)# password cisco\nR1(config-line)# login\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>4. SW2 OSPF \u914d\u7f6e<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bash<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>SW2(config)# router ospf 1\nSW2(config-router)# network 172.1.20.0 0.0.0.3 area 0\nSW2(config-router)# network 200.1.2.0 0.0.0.255 area 0\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><em>\u9a8c\u8bc1\uff1a\u6b64\u65f6\uff0c\u5185\u7f51 PC \u5e94\u80fd Ping \u901a\u53f3\u4fa7\u7f51\u5173 200.1.2.254\u3002<\/em><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u6a21\u5757\u4e94\uff1a\u670d\u52a1\u5668\u914d\u7f6e (\u9898\u76ee\u8981\u6c42 5)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b64\u90e8\u5206\u4e3b\u8981\u5728 Packet Tracer \u7684\u201cConfig\u201d\u6216\u201cServices\u201d\u9009\u9879\u5361\u4e2d\u8fdb\u884c\uff0c\u800c\u975e\u547d\u4ee4\u884c\u3002<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\u9759\u6001 IP \u914d\u7f6e<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li><strong>DNS Server<\/strong>: IP <code>200.1.2.241<\/code>, Mask <code>255.255.255.240<\/code>, Gateway <code>200.1.2.254<\/code><\/li>\n\n\n\n<li><strong>WWW Server<\/strong>: IP <code>200.1.2.242<\/code>, Mask <code>255.255.255.240<\/code>, Gateway <code>200.1.2.254<\/code>, DNS <code>200.1.2.1<\/code><\/li>\n\n\n\n<li><strong>IoT Server<\/strong>: IP <code>200.1.2.243<\/code>, Mask <code>255.255.255.240<\/code>, Gateway <code>200.1.2.254<\/code><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>WWW \u670d\u52a1<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u70b9\u51fb WWW Server -&gt; Services -&gt; HTTP\u3002\u4fee\u6539 <code>index.html<\/code>\uff0c\u5185\u5bb9\u6539\u4e3a <code>Welcome to 223350zhangsan\u2019s web!<\/code>\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>DNS \u670d\u52a1<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u70b9\u51fb DNS Server -&gt; Services -&gt; DNS -&gt; On\u3002<\/li>\n\n\n\n<li>\u6dfb\u52a0\u8bb0\u5f55\uff1aName: <code>www.zs.com<\/code> (\u4f60\u7684\u7f29\u5199), Type: <code>A Record<\/code>, Address: <code>200.1.2.242<\/code> (WWW Server IP)\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>IoT \u670d\u52a1<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li><strong>Server \u7aef<\/strong>: \u70b9\u51fb IOT Server -&gt; Services -&gt; IoT -&gt; On (Enable)\u3002<\/li>\n\n\n\n<li><strong>\u98ce\u6247 (IoT0)<\/strong>: \u70b9\u51fb\u98ce\u6247 -&gt; Config -&gt; Settings -&gt; Gateway (192.1.30.254), DNS (200.1.2.1)\u3002<\/li>\n\n\n\n<li><strong>\u98ce\u6247 IoT Config<\/strong>: \u9009\u62e9 &#8220;Remote Server&#8221;\u3002Server Address \u586b <code>200.1.2.243<\/code>\uff0c\u7528\u6237\u540d\/\u5bc6\u7801\u81ea\u884c\u521b\u5efa\uff08\u5982 admin\/admin\uff09\u5e76\u70b9\u51fb Connect\u3002\u8fde\u63a5\u6210\u529f\u540e\u4f1a\u663e\u793a &#8220;Refresh&#8221;\u3002<\/li>\n\n\n\n<li><strong>PC1 \u63a7\u5236<\/strong>: PC1 \u9700\u8981\u6253\u5f00 Web \u6d4f\u89c8\u5668\uff0c\u8f93\u5165 IoT Server IP\uff0c\u767b\u5f55\u540e\u5373\u53ef\u63a7\u5236\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u6a21\u5757\u516d\uff1a\u7f51\u7edc\u4f18\u5316\u4e0e\u5b89\u5168 NAT\/ACL (\u9898\u76ee\u8981\u6c42 6)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u662f\u6700\u96be\u7684\u4e00\u6b65\u3002\u6211\u4eec\u9700\u8981\u5728\u8fb9\u754c\uff08R0\uff09\u505a NAT\uff0c\u5e76\u5728 SW1 \u6216 SW2 \u505a ACL\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>1. \u8bbf\u95ee\u63a7\u5236\u5217\u8868 (ACL) &#8211; \u62d2\u7edd VLAN 10 \u8bbf\u95ee WWW<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u4eec\u5728\u6838\u5fc3\u4ea4\u6362\u673a SW1 \u4e0a\u505a\uff0c\u5e76\u5728 VLAN 10 \u7684\u5165\u53e3\u65b9\u5411\u5e94\u7528\u3002WWW \u670d\u52a1 IP \u4e3a 200.1.2.2\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bash<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>SW1(config)# access-list 100 deny tcp 192.1.10.0 0.0.0.255 host 200.1.2.2 eq www\nSW1(config)# access-list 100 permit ip any any\n! \u5e94\u7528\u5230 VLAN 10 SVI \u63a5\u53e3\nSW1(config)# interface vlan 10\nSW1(config-if)# ip access-group 100 in\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>2. \u914d\u7f6e NAT (\u5185\u7f51\u8bbf\u95ee\u5916\u7f51)<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9898\u76ee\u8981\u6c42 VLAN 10\/20 \u53ef\u4ee5\u4e0a\u7f51\u3002\u8fd9\u9700\u8981\u5728 <strong>R0<\/strong> \u4e0a\u914d\u7f6e\uff0c\u5047\u8bbe R0 \u5de6\u4fa7\u8fde\u63a5 PC0 \u7684\u63a5\u53e3\u4e3a gig0\/0 (\u5916\u7f51\u53e3)\uff0c\u53f3\u4fa7\u8fde\u63a5 SW1 \u4e3a gig0\/1 (\u5185\u7f51\u53e3)\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>\u6ce8\u610f\uff1aR0 \u8fd8\u9700\u8981\u4e00\u6761\u53bb\u5f80\u5916\u7f51\u7684\u9ed8\u8ba4\u8def\u7531\u3002<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bash<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>! R0 \u9ed8\u8ba4\u8def\u7531\u6307\u5411 PC0 \u7f51\u5173 (\u9898\u76ee\u56fe\u793a PC0 IP 200.200.200.2, \u7f51\u5173 200.200.200.254\uff0c\u8fd9\u91cc\u6709\u70b9\u53cd\u5e38\uff0c\u901a\u5e38\u8def\u7531\u5668\u662f\u7f51\u5173\u3002\u6211\u4eec\u5047\u8bbe R0 \u8fde\u63a5 ISP\uff0cISP \u5bf9\u7aef\u662f .254\uff0cR0 \u63a5\u53e3\u662f .2\uff0c\u6216\u8005 R0 \u662f .254\uff0cPC0 \u662f .2\u3002\u6839\u636e\u56fe\u793a\u6587\u5b57 \"GW: 200.200.200.254\"\uff0cPC0 \u6307\u5411 R0\uff0c\u6240\u4ee5 R0 \u5916\u7f51\u53e3\u662f .254)\n\n! \u914d\u7f6e NAT \u63a5\u53e3\nR0(config)# interface gig0\/0  ! \u5916\u7f51\u53e3\nR0(config-if)# ip address 200.200.200.254 255.255.255.0\nR0(config-if)# ip nat outside\nR0(config)# interface gig0\/1  ! \u5185\u7f51\u53e3\nR0(config-if)# ip nat inside\n\n! \u5b9a\u4e49\u5141\u8bb8 NAT \u7684\u6d41\u91cf (VLAN 10 \u548c 20)\nR0(config)# access-list 1 permit 192.1.10.0 0.0.0.255\nR0(config)# access-list 1 permit 192.1.20.0 0.0.0.255\n\n! \u914d\u7f6e PAT (\u7aef\u53e3\u590d\u7528)\nR0(config)# ip nat inside source list 1 interface gig0\/0 overload\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>3. \u6620\u5c04\u5185\u7f51 Server \u5230\u516c\u7f51 (Static NAT)<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9898\u76ee\u8981\u6c42\u6620\u5c04 Server \u7684 Web \u670d\u52a1\u5230\u516c\u7f51\u3002\u5047\u8bbe\u6211\u4eec\u5c06 WWW Server (200.1.2.2) \u6620\u5c04\u5230 R0 \u5916\u7f51\u53e3\u7684\u4e00\u4e2a\u7279\u5b9a\u7aef\u53e3\uff08\u4f8b\u5982 80\uff09\u6216\u76f4\u63a5\u6620\u5c04 IP\u3002\u7531\u4e8e R0 \u5916\u7f51\u53e3\u53ea\u6709\u4e00\u4e2a IP\uff0c\u901a\u5e38\u4f7f\u7528\u7aef\u53e3\u6620\u5c04\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bash<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>! \u5c06\u516c\u7f51\u53e3 200.200.200.254 \u7684 80 \u7aef\u53e3\u6620\u5c04\u5230\u5185\u90e8 200.1.2.2 \u7684 80 \u7aef\u53e3\nR0(config)# ip nat inside source static tcp 200.1.2.2 80 200.200.200.254 80\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><em>\u6ce8\u610f\uff1a\u5982\u679c Packet Tracer \u62a5\u9519\u4e0d\u652f\u6301\u63a5\u53e3\u91cd\u8f7d\u6620\u5c04\uff0c\u4f60\u53ef\u80fd\u9700\u8981\u914d\u7f6e\u4e00\u4e2a IP \u5730\u5740\u6c60\u6216\u4f7f\u7528 distinct IP\uff0c\u4f46\u901a\u5e38 80 \u7aef\u53e3\u6620\u5c04\u662f\u652f\u6301\u7684\u3002<\/em><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u6700\u540e\u4e00\u6b65\uff1a\u601d\u79d1\u4e4b\u738b\u7ed9\u4f60\u7684\u5efa\u8bae<\/strong><\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\u4fdd\u5b58\u914d\u7f6e<\/strong>\uff1a\u5728\u6240\u6709\u8bbe\u5907\u4e0a\u6267\u884c <code>copy run start<\/code> \u6216 <code>wr<\/code>\u3002<\/li>\n\n\n\n<li><strong>Ping \u6d4b\u8bd5<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>PC2 (VLAN 20) \u5e94\u8be5\u80fd Ping \u901a <a href=\"https:\/\/www.zs.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">www.zs.com<\/a> (200.1.2.2)\u3002<\/li>\n\n\n\n<li>PC1 (VLAN 10) \u5e94\u8be5<strong>\u65e0\u6cd5<\/strong>\u6253\u5f00 <a href=\"https:\/\/www.zs.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">www.zs.com<\/a> \u7684\u7f51\u9875 (ACL\u751f\u6548)\uff0c\u4f46\u53ef\u80fd\u53ef\u4ee5 Ping \u901a (\u5982\u679c\u53ea\u5c01\u4e86 TCP 80)\u3002<\/li>\n\n\n\n<li>PC3 \u5e94\u8be5\u80fd\u901a\u8fc7 DNS \u57df\u540d\u8bbf\u95ee Web\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u6392\u9519<\/strong>\uff1a\u5982\u679c ping \u4e0d\u901a\uff0c\u9996\u5148\u68c0\u67e5 <code>show ip route<\/code> \u770b\u662f\u5426\u6709\u8def\u7531\u6761\u76ee\uff0c\u5176\u6b21\u68c0\u67e5 <code>show ip interface brief<\/code> \u786e\u8ba4\u63a5\u53e3\u662f\u5426 <code>up\/up<\/code>\u3002<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u73b0\u5728\uff0c\u53bb\u5f81\u670d\u8fd9\u4e2a\u62d3\u6251\u5427\uff01\u5982\u679c\u9047\u5230\u5177\u4f53\u7684\u62a5\u9519\u4fe1\u606f\uff0c\u8bf7\u968f\u65f6\u544a\u8bc9\u6211\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f60\u597d\uff01\u6211\u662f\u601d\u79d1\u4e4b\u738b\u3002\u5f88\u9ad8\u5174\u80fd\u534f\u52a9\u4f60\u653b\u514b\u8fd9\u4e2a\u7f51\u7edc\u62d3\u6251\u3002\u8fd9\u5f20\u56fe\u6db5\u76d6\u4e86\u4ea4\u6362\u6280\u672f\uff08VLAN\u3001Trunk\u3001SVI\uff09\u3001\u8def\u7531 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[16],"tags":[17],"class_list":["post-737","post","type-post","status-publish","format-standard","hentry","category-16","tag-17"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.axeuh.com\/index.php\/wp-json\/wp\/v2\/posts\/737","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.axeuh.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.axeuh.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.axeuh.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.axeuh.com\/index.php\/wp-json\/wp\/v2\/comments?post=737"}],"version-history":[{"count":4,"href":"https:\/\/www.axeuh.com\/index.php\/wp-json\/wp\/v2\/posts\/737\/revisions"}],"predecessor-version":[{"id":743,"href":"https:\/\/www.axeuh.com\/index.php\/wp-json\/wp\/v2\/posts\/737\/revisions\/743"}],"wp:attachment":[{"href":"https:\/\/www.axeuh.com\/index.php\/wp-json\/wp\/v2\/media?parent=737"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.axeuh.com\/index.php\/wp-json\/wp\/v2\/categories?post=737"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.axeuh.com\/index.php\/wp-json\/wp\/v2\/tags?post=737"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}