{"id":12,"date":"2023-08-12T19:02:28","date_gmt":"2023-08-12T11:02:28","guid":{"rendered":"http:\/\/8.130.131.184\/wordpress\/?p=12"},"modified":"2023-08-31T10:45:18","modified_gmt":"2023-08-31T02:45:18","slug":"patylpz","status":"publish","type":"post","link":"https:\/\/xianyijitan.top\/?p=12","title":{"rendered":"PAT\u539f\u7406\u4e0e\u914d\u7f6e"},"content":{"rendered":"<h2>PAT\u539f\u7406<\/h2>\n<p>PAT\uff08Port Address Translation\uff0c\u7aef\u53e3\u5730\u5740\u8f6c\u6362\uff09\u6280\u672f\u662f\u6539\u53d8\u6570\u636e\u5305\u7684IP\u5730\u5740\u548c\u7aef\u53e3\u53f7\uff0c\u8fd9\u6837\u5c31\u80fd\u591f\u5927\u91cf\u8282\u7701\u516c\u7f51IP\u5730\u5740\uff0c\u56e0\u6b64\u5728\u5b9e\u9645\u5de5\u4f5c\u4e2d\u5e94\u7528\u5e7f\u6cdb\u3002<\/p>\n<p>PAT\u5206\u4e3a\u52a8\u6001PAT\u548c\u9759\u6001PAT\u3002<\/p>\n<h3>\u52a8\u6001PAT<\/h3>\n<p>\u52a8\u6001PAT\u6539\u53d8\u5916\u51fa\u6570\u636e\u5305\u7684\u6e90IP\u5730\u5740\u548c\u6e90\u7aef\u53e3\uff0c\u5185\u7f51\u7684\u6240\u6709\u4e3b\u673a\u5747\u53ef\u5171\u4eab\u4e00\u4e2a\u5408\u6cd5\u7684\u5916\u90e8IP\u5730\u5740\u8bbf\u95ee\u4e92\u8054\u7f51\uff0c\u4ece\u800c\u6700\u5927\u9650\u5ea6\u7684\u8282\u7ea6IP\u5730\u5740\u3002\u4e0e\u52a8\u6001NAT\u4e00\u6837\uff0c\u52a8\u6001PAT\u4e5f\u662f\u5355\u5411\u7684\u3002<\/p>\n<p>\u52a8\u6001PAT\u5305\u62ecNAPT\u548cEasy IP\uff0cNAPT\uff08Network Address and Port Translation\uff0c\u7f51\u7edc\u5730\u5740\u7aef\u53e3\u8f6c\u6362\uff09\u5141\u8bb8\u591a\u4e2a\u5185\u90e8\u5730\u5740\u6620\u5c04\u5230\u540c\u4e00\u4e2a\u516c\u6709\u5730\u5740\u7684\u4e0d\u540c\u7aef\u53e3\uff0c\u800cEasy IP\u5c5e\u4e8eNAPT\u7684\u4e00\u79cd\u7279\u4f8b\uff0c\u5141\u8bb8\u5c06\u591a\u4e2a\u5185\u90e8\u5730\u5740\u6620\u5c04\u5230\u7f51\u5173\u51fa\u63a5\u53e3\u5730\u5740\u4e0a\u7684\u4e0d\u540c\u7aef\u53e3\uff0c\u5373\u516c\u6709\u5730\u5740\u76f4\u63a5\u4f7f\u7528\u7f51\u5173\u8bbe\u5907\u7684\u5916\u7f51\u53e3\u3002<\/p>\n<h4><strong><em>NAPT<\/em><\/strong><\/h4>\n<p>\u5141\u8bb8\u591a\u4e2a\u5185\u90e8\u5730\u5740\u6620\u5c04\u5230\u540c\u4e00\u4e2a\u516c\u6709\u5730\u5740\u7684\u4e0d\u540c\u7aef\u53e3\u3002<\/p>\n<ul>\n<li>\n<p><strong><em>\u8bed\u6cd5\uff1a<\/em><\/strong><\/p>\n<p>\u7b2c\u4e00\u6b65\uff1a\u5b9a\u4e49\u8bbf\u95ee\u63a7\u5236\u5217\u8868<\/p>\n<pre><code>[Huawei]acl 2000\n[Huawei-acl-basic-2000]rule 5 permit source 10.1.1.0 0.0.0.255\n[Huawei-acl-basic-2000]quit<\/code><\/pre>\n<pre><code>\u7b2c\u4e8c\u6b65\uff1a\u5b9a\u4e49\u5730\u5740\u6c60<\/code><\/pre>\n<pre><code>[Huawei]nat address-group 1 20.20.20.10 20.20.20.10<\/code><\/pre>\n<pre><code>\u7b2c\u4e09\u6b65\uff1a\u5728\u5916\u90e8\u63a5\u53e3\u4e0a\u542f\u7528NAT<\/code><\/pre>\n<pre><code>[Huawei]int g0\/0\/1\n[Huawei-GigabitEthernet0\/0\/1]nat outbound 2000 address-group 1\n[Huawei-GigabitEthernet0\/0\/1]q<\/code><\/pre>\n<pre><code>\u7b2c\u56db\u6b65\uff1a\u67e5\u770bNAT\u914d\u7f6e\uff1a<\/code><\/pre>\n<pre><code>[Huawei]dis nat address-group \n\nNAT Address-Group Information:\n--------------------------------------\nIndex   Start-address      End-address\n--------------------------------------\n1         20.20.20.10      20.20.20.10\n--------------------------------------\nTotal : 1<\/code><\/pre>\n<p><strong><em>\u5b9e\u4f8b\uff1a<\/em><\/strong><\/p>\n<p>\u8981\u6c42\u5c06\u5185\u90e8\u7f51\u7edc10.1.1.0\/24\u8f6c\u6362\u4e3a\u4e00\u4e2a\u516c\u7f51\u5730\u574020.20.20.10\/28\u4e0a\u7f51<\/p>\n<p>\u642d\u5efa\u7f51\u7edc\u62d3\u6251\u7ed3\u6784\uff1a<\/p>\n<p><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/xianyijitan.top\/wp-blog\/typora-user-images\/image-20230810100802346.png?w=960&#038;ssl=1\" alt=\"image-20230810100802346\" \/><\/p>\n<p>\u8981\u6c42:\u5c06\u5185\u90e8\u5730\u574010.1.1.0\/24\u52a8\u6001\u8f6c\u6362\u4e3a\u516c\u7f51\u5730\u574020.20.20.10 ~ 20.20.20.20\/24\uff0c\u4ee5\u4fbf\u8bbf\u95ee\u5916\u7f51\uff08Server3\uff09\u6216\u88ab\u5916\u7f51\uff08Server3\uff09\u8bbf\u95ee\uff0c\u7136\u540e\u9a8c\u8bc1\u52a8\u6001NAT\u6293\u5305\u5206\u6790\u3002<\/p>\n<p>\u7b2c\u4e00\u6b65\uff1a\u914d\u7f6e\u5ba2\u6237\u673a\u3001\u670d\u52a1\u5668\u3001\u4e3b\u673a\u3001\u8def\u7531\u5668\u5bf9\u5e94\u7684ip\u5730\u5740\u3001\u8def\u7531\u53ca\u7f51\u7ba1\uff1b<\/p>\n<p>AR2:<\/p>\n<pre><code class=\"language-&lt;Huawei&gt;un\">Info: Current terminal monitor is off.\n<Huawei>sys\nEnter system view, return user view with Ctrl+Z.\n[Huawei]int g0\/0\/0\n[Huawei-GigabitEthernet0\/0\/0]ip address 10.1.1.254 24\n[Huawei-GigabitEthernet0\/0\/0]int g0\/0\/1\n[Huawei-GigabitEthernet0\/0\/1]ip address 20.20.20.1 24\n[Huawei-GigabitEthernet0\/0\/1]q\n[Huawei]ip route-static 0.0.0.0 0.0.0.0 20.20.20.2<\/code><\/pre>\n<p>AR1\uff1a<\/p>\n<pre><code><Huawei>un t m\nInfo: Current terminal monitor is off.\n<Huawei>sys\nEnter system view, return user view with Ctrl+Z.\n[Huawei]int g0\/0\/0\n[Huawei-GigabitEthernet0\/0\/0]ip address 20.20.20.2 24\n[Huawei-GigabitEthernet0\/0\/0]int g0\/0\/1\n[Huawei-GigabitEthernet0\/0\/1]ip address 200.1.1.14 24\n[Huawei-GigabitEthernet0\/0\/1]int g0\/0\/2\n[Huawei-GigabitEthernet0\/0\/2]ip address 100.1.1.254 24\n[Huawei-GigabitEthernet0\/0\/2]q<\/code><\/pre>\n<p>\u7b2c\u4e8c\u6b65\uff1a\u5728AR2\u4e2d\u914d\u7f6e\u9759\u6001NAT<\/p>\n<pre><code>\/\/\u5b9a\u4e49\u8bbf\u95ee\u63a7\u5236\u5217\u8868\n[Huawei]acl 2000\n[Huawei-acl-basic-2000]rule 5 permit source 10.1.1.0 0.0.0.255\n[Huawei-acl-basic-2000]quit\n\/\/\u5b9a\u4e49\u5730\u5740\u6c60\uff0c\u5730\u5740\u6c60\u7f16\u53f7\u4e3a1\n[Huawei]nat address-group 1 20.20.20.10 20.20.20.10\n\/\/\u5728\u5916\u90e8\u63a5\u53e3\u542f\u7528NAT\n[Huawei]int g0\/0\/1\n[Huawei-GigabitEthernet0\/0\/1]nat outbound 2000 address-group 1\n[Huawei-GigabitEthernet0\/0\/1]q\n\/\/\u67e5\u770bNAT\u914d\u7f6e\n[Huawei]dis nat address-group \n\nNAT Address-Group Information:\n--------------------------------------\nIndex   Start-address      End-address\n--------------------------------------\n1         20.20.20.10      20.20.20.10\n--------------------------------------\nTotal : 1<\/code><\/pre>\n<p>\u7b2c\u4e09\u6b65\uff1a\u8fdb\u884c\u6d4b\u8bd5<\/p>\n<p>PC1\uff1a<\/p>\n<p><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/xianyijitan.top\/wp-blog\/typora-user-images\/image-20230810111524920.png?w=960&#038;ssl=1\" alt=\"image-20230810111524920\" \/><\/p>\n<p>\u6293\u5305\u4f4d\u7f6e\uff1a<\/p>\n<p><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/xianyijitan.top\/wp-blog\/typora-user-images\/image-20230810103511862.png?w=960&#038;ssl=1\" alt=\"image-20230810103511862\" \/><\/p>\n<p>\u6293\u5305\u5206\u6790\uff1a<\/p>\n<p><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/xianyijitan.top\/wp-blog\/typora-user-images\/image-20230810143820837.png?w=960&#038;ssl=1\" alt=\"image-20230810143820837\" \/><\/p>\n<h4>Easy IP<\/h4>\n<p>\u5141\u8bb8\u5c06\u591a\u4e2a\u5185\u90e8\u5730\u5740\u6620\u5c04\u5230\u7f51\u5173\u51fa\u63a5\u53e3\u5730\u5740\u4e0a\u7684\u4e0d\u540c\u7aef\u53e3\uff0c\u5373\u516c\u6709\u5730\u5740\u76f4\u63a5\u4f7f\u7528\u7f51\u5173\u8bbe\u5907\u7684\u5916\u7f51\u53e3\u3002<\/p>\n<p><strong><em>\u8bed\u6cd5\uff1a<\/em><\/strong><\/p>\n<pre><code>\u7b2c\u4e00\u6b65\uff1a\u5b9a\u4e49\u8bbf\u95ee\u63a7\u5236\u5217\u8868<\/code><\/pre>\n<pre><code>[Huawei]acl 2000\n[Huawei-acl-basic-2000]rule 5 permit source 10.1.1.0 0.0.0.255\n[Huawei-acl-basic-2000]quit<\/code><\/pre>\n<pre><code>\u7b2c\u4e8c\u6b65\uff1a\u5728\u5916\u90e8\u63a5\u53e3\u4e0a\u542f\u7528NAT<\/code><\/pre>\n<pre><code>[Huawei]int g0\/0\/1    \n[Huawei-GigabitEthernet0\/0\/1]nat outbound 2000\n[Huawei-GigabitEthernet0\/0\/1]q<\/code><\/pre>\n<pre><code>\u7b2c\u4e09\u6b65\uff1a\u67e5\u770bNAT\u914d\u7f6e\uff1a<\/code><\/pre>\n<pre><code>[Huawei]dis nat outbound \nNAT Outbound Information:\n--------------------------------------------------------------------------\nInterface                     Acl     Address-group\/IP\/Interface      Type\n--------------------------------------------------------------------------\nGigabitEthernet0\/0\/1         2000                     20.20.20.1    easyip  \n--------------------------------------------------------------------------\nTotal : 1<\/code><\/pre>\n<p><strong><em>\u5b9e\u4f8b\uff1a<\/em><\/strong><\/p>\n<p>\u8981\u6c42\u5c06\u5185\u90e8\u7f51\u7edc10.1.1.0\/24\u8f6c\u6362\u4e3a\u8def\u7531\u5668\u5916\u90e8\u63a5\u53e3\u4e0a\u7f51<\/p>\n<p>\u642d\u5efa\u7f51\u7edc\u62d3\u6251\u7ed3\u6784\uff1a<\/p>\n<p><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/xianyijitan.top\/wp-blog\/typora-user-images\/image-20230810100802346.png?w=960&#038;ssl=1\" alt=\"image-20230810100802346\" \/><\/p>\n<p>\u8981\u6c42:\u5c06\u5185\u90e8\u5730\u574010.1.1.0\/24\u8f6c\u6362\u4e3a\u8def\u7531\u5668\u5916\u90e8\u63a5\u53e3\u4e0a\u7f51\uff0c\u4ee5\u4fbf\u8bbf\u95ee\u5916\u7f51\uff08Server3\uff09\u6216\u88ab\u5916\u7f51\uff08Server3\uff09\u8bbf\u95ee\uff0c\u7136\u540e\u9a8c\u8bc1\u52a8\u6001NAT\u6293\u5305\u5206\u6790\u3002<\/p>\n<p>\u7b2c\u4e00\u6b65\uff1a\u914d\u7f6e\u5ba2\u6237\u673a\u3001\u670d\u52a1\u5668\u3001\u4e3b\u673a\u3001\u8def\u7531\u5668\u5bf9\u5e94\u7684ip\u5730\u5740\u3001\u8def\u7531\u53ca\u7f51\u7ba1\uff1b<\/p>\n<p>AR2:<\/p>\n<pre><code class=\"language-&lt;Huawei&gt;un\">Info: Current terminal monitor is off.\n<Huawei>sys\nEnter system view, return user view with Ctrl+Z.\n[Huawei]int g0\/0\/0\n[Huawei-GigabitEthernet0\/0\/0]ip address 10.1.1.254 24\n[Huawei-GigabitEthernet0\/0\/0]int g0\/0\/1\n[Huawei-GigabitEthernet0\/0\/1]ip address 20.20.20.1 24\n[Huawei-GigabitEthernet0\/0\/1]q\n[Huawei]ip route-static 0.0.0.0 0.0.0.0 20.20.20.2<\/code><\/pre>\n<p>AR1\uff1a<\/p>\n<pre><code><Huawei>un t m\nInfo: Current terminal monitor is off.\n<Huawei>sys\nEnter system view, return user view with Ctrl+Z.\n[Huawei]int g0\/0\/0\n[Huawei-GigabitEthernet0\/0\/0]ip address 20.20.20.2 24\n[Huawei-GigabitEthernet0\/0\/0]int g0\/0\/1\n[Huawei-GigabitEthernet0\/0\/1]ip address 200.1.1.14 24\n[Huawei-GigabitEthernet0\/0\/1]int g0\/0\/2\n[Huawei-GigabitEthernet0\/0\/2]ip address 100.1.1.254 24\n[Huawei-GigabitEthernet0\/0\/2]q<\/code><\/pre>\n<p>\u7b2c\u4e8c\u6b65\uff1a\u5728AR2\u4e2d\u914d\u7f6e\u9759\u6001NAT<\/p>\n<pre><code>\/\/\u5b9a\u4e49\u8bbf\u95ee\u63a7\u5236\u5217\u8868\n[Huawei]acl 2000\n[Huawei-acl-basic-2000]rule 5 permit source 10.1.1.0 0.0.0.255\n[Huawei-acl-basic-2000]quit\n\/\/\u5728\u5916\u90e8\u63a5\u53e3\u542f\u7528NAT\n[Huawei]int g0\/0\/1    \n[Huawei-GigabitEthernet0\/0\/1]nat outbound 2000\n[Huawei-GigabitEthernet0\/0\/1]q\n\/\/\u67e5\u770bNAT\u914d\u7f6e\n[Huawei]dis nat outbound \nNAT Outbound Information:\n--------------------------------------------------------------------------\nInterface                     Acl     Address-group\/IP\/Interface      Type\n--------------------------------------------------------------------------\nGigabitEthernet0\/0\/1         2000                              1    no-pat\n--------------------------------------------------------------------------\nTotal : 1<\/code><\/pre>\n<p>\u7b2c\u4e09\u6b65\uff1a\u8fdb\u884c\u6d4b\u8bd5<\/p>\n<p>PC1\uff1a<\/p>\n<p><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/xianyijitan.top\/wp-blog\/typora-user-images\/image-20230810111524920.png?w=960&#038;ssl=1\" alt=\"image-20230810111524920\" \/><\/p>\n<p>\u6293\u5305\u4f4d\u7f6e\uff1a<\/p>\n<p><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/xianyijitan.top\/wp-blog\/typora-user-images\/image-20230810103511862.png?w=960&#038;ssl=1\" alt=\"image-20230810103511862\" \/><\/p>\n<p>\u6293\u5305\u5206\u6790\uff1a<\/p>\n<p><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/xianyijitan.top\/wp-blog\/typora-user-images\/image-20230810143457024.png?w=960&#038;ssl=1\" alt=\"image-20230810143457024\" \/><\/p>\n<\/li>\n<\/ul>\n<h3>\u9759\u6001PAT<\/h3>\n<p>\u9759\u6001PAT\u6539\u53d8\u6570\u636e\u5305\u7684IP\u5730\u5740\u548c\u7aef\u53e3\u53f7\uff0c\u4e0e\u9759\u6001NAT\u4e00\u6837\uff0c\u9759\u6001PAT\u4e5f\u662f\u53cc\u5411\u7684\u3002<\/p>\n<p>\u5b9e\u9645\u5e94\u7528\u4e2d\u4e00\u822c\u662f\u5c06\u5185\u7f51\u7684\u670d\u52a1\u5668\u53d1\u5e03\u51fa\u53bb\uff0c\u7531\u5916\u7f51\u53d1\u8d77\u5411\u5185\u7f51\u8bbf\u95ee\uff0c\u534e\u4e3a\u79f0\u4e4b\u4e3aNAT Server\u3002<\/p>\n<p><strong><em>\u8bed\u6cd5\uff1a<\/em><\/strong><\/p>\n<pre><code>    \u7b2c\u4e00\u6b65\uff1a\u5728\u8def\u7531\u5668\u4e0a\u914d\u7f6eNAT Server<\/code><\/pre>\n<pre><code>[Huawei]int g0\/0\/1  \n[Huawei-GigabitEthernet0\/0\/1]nat server protocol tcp global 20.20.20.12 21 inside 10.1.1.12 21  \n[Huawei-GigabitEthernet0\/0\/1]nat server protocol tcp global 20.20.20.11 80 inside 10.1.1.11 80\n[Huawei-GigabitEthernet0\/0\/1]q<\/code><\/pre>\n<pre><code>    \u7b2c\u4e09\u6b65\uff1a\u67e5\u770bNAT\u914d\u7f6e\uff1a<\/code><\/pre>\n<pre><code>[Huawei]dis nat server \n\n  Nat Server Information:\n  Interface  : GigabitEthernet0\/0\/1\n    Global IP\/Port     : 20.20.20.12\/21(ftp) \n    Inside IP\/Port     : 10.1.1.12\/21(ftp)\n    Protocol : 6(tcp)   \n    VPN instance-name  : ----                            \n    Acl number         : ----\n    Description : ----\n\n    Global IP\/Port     : 20.20.20.11\/80(www) \n    Inside IP\/Port     : 10.1.1.11\/80(www)\n    Protocol : 6(tcp)   \n    VPN instance-name  : ----                            \n    Acl number         : ----\n    Description : ----\n\n  Total :    2<\/code><\/pre>\n<p><strong><em>\u5b9e\u4f8b\uff1a<\/em><\/strong><\/p>\n<p>\u5c06\u5185\u90e8\u5730\u574010.1.1.11\/24\u768480\u7aef\u53e3\u9759\u6001\u8f6c\u6362\u4e3a\u516c\u7f51\u5730\u574020.20.20.11\/24\u768480\u7aef\u53e3\uff0c\u5c06\u5185\u90e8\u5730\u574010.1.1.12\/24\u768421\u7aef\u53e3\u9759\u6001\u8f6c\u6362\u4e3a\u516c\u7f51\u5730\u574020.20.20.12\/24\u768421\u7aef\u53e3\uff0c\u4ee5\u4fbf\u88ab\u5916\u7f51\uff08Client2\uff09\u8bbf\u95ee\u3002<\/p>\n<p>\u642d\u5efa\u7f51\u7edc\u62d3\u6251\u7ed3\u6784\uff1a<\/p>\n<p><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/xianyijitan.top\/wp-blog\/typora-user-images\/image-20230810100802346-16916496889152.png?w=960&#038;ssl=1\" alt=\"image-20230810100802346\" \/><\/p>\n<p>\u8981\u6c42:\u5c06\u5185\u90e8\u5730\u574010.1.1.0\/24\u8f6c\u6362\u4e3a\u8def\u7531\u5668\u5916\u90e8\u63a5\u53e3\u4e0a\u7f51\uff0c\u4ee5\u4fbf\u8bbf\u95ee\u5916\u7f51\uff08Server3\uff09\u6216\u88ab\u5916\u7f51\uff08Server3\uff09\u8bbf\u95ee\uff0c\u7136\u540e\u9a8c\u8bc1\u52a8\u6001NAT\u6293\u5305\u5206\u6790\u3002<\/p>\n<p>\u7b2c\u4e00\u6b65\uff1a\u914d\u7f6e\u5ba2\u6237\u673a\u3001\u670d\u52a1\u5668\u3001\u4e3b\u673a\u3001\u8def\u7531\u5668\u5bf9\u5e94\u7684ip\u5730\u5740\u3001\u8def\u7531\u53ca\u7f51\u7ba1\uff1b<\/p>\n<pre><code>AR2:<\/code><\/pre>\n<pre><code class=\"language-&lt;Huawei&gt;un\">Info: Current terminal monitor is off.\n&lt;Huawei&gt;sys\nEnter system view, return user view with Ctrl+Z.\n[Huawei]int g0\/0\/0\n[Huawei-GigabitEthernet0\/0\/0]ip address 10.1.1.254 24\n[Huawei-GigabitEthernet0\/0\/0]int g0\/0\/1\n[Huawei-GigabitEthernet0\/0\/1]ip address 20.20.20.1 24\n[Huawei-GigabitEthernet0\/0\/1]q\n[Huawei]ip route-static 0.0.0.0 0.0.0.0 20.20.20.2<\/code><\/pre>\n<pre><code>AR1\uff1a<\/code><\/pre>\n<pre><code>&lt;Huawei&gt;un t m\nInfo: Current terminal monitor is off.\n&lt;Huawei&gt;sys\nEnter system view, return user view with Ctrl+Z.\n[Huawei]int g0\/0\/0\n[Huawei-GigabitEthernet0\/0\/0]ip address 20.20.20.2 24\n[Huawei-GigabitEthernet0\/0\/0]int g0\/0\/1\n[Huawei-GigabitEthernet0\/0\/1]ip address 200.1.1.14 24\n[Huawei-GigabitEthernet0\/0\/1]int g0\/0\/2\n[Huawei-GigabitEthernet0\/0\/2]ip address 100.1.1.254 24\n[Huawei-GigabitEthernet0\/0\/2]q<\/code><\/pre>\n<p>\u7b2c\u4e8c\u6b65\uff1a\u5728AR2\u4e2d\u914d\u7f6e\u9759\u6001NAT<\/p>\n<pre><code>[Huawei]int g0\/0\/1  \n[Huawei-GigabitEthernet0\/0\/1]nat server protocol tcp global 20.20.20.12 21 inside 10.1.1.12 21  \n[Huawei-GigabitEthernet0\/0\/1]nat server protocol tcp global 20.20.20.11 80 inside 10.1.1.11 80\n[Huawei-GigabitEthernet0\/0\/1]q\n\/\/\u67e5\u770bNAT\u914d\u7f6e\n[Huawei]dis nat server \n\n  Nat Server Information:\n  Interface  : GigabitEthernet0\/0\/1\n    Global IP\/Port     : 20.20.20.12\/21(ftp) \n    Inside IP\/Port     : 10.1.1.12\/21(ftp)\n    Protocol : 6(tcp)   \n    VPN instance-name  : ----                            \n    Acl number         : ----\n    Description : ----\n\n    Global IP\/Port     : 20.20.20.11\/80(www) \n    Inside IP\/Port     : 10.1.1.11\/80(www)\n    Protocol : 6(tcp)   \n    VPN instance-name  : ----                            \n    Acl number         : ----\n    Description : ----\n\n  Total :    2<\/code><\/pre>\n<p>\u7b2c\u4e09\u6b65\uff1a\u8fdb\u884c\u6d4b\u8bd5<\/p>\n<p>\u5728Server1\u4e2d\u642d\u5efaHttpServer\u670d\u52a1\uff0c\u5728Client2\u80fd\u591f\u8bbf\u95ee\uff1a<\/p>\n<p><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/xianyijitan.top\/wp-blog\/typora-user-images\/image-20230810145817211.png?w=960&#038;ssl=1\" alt=\"image-20230810145817211\" \/><\/p>\n<p><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/xianyijitan.top\/wp-blog\/typora-user-images\/image-20230810151029001.png?w=960&#038;ssl=1\" alt=\"image-20230810151029001\" \/><\/p>\n<p>\u6293\u5305\u4f4d\u7f6e\uff1a<\/p>\n<p><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/xianyijitan.top\/wp-blog\/typora-user-images\/image-20230810103511862-16916496889163.png?w=960&#038;ssl=1\" alt=\"image-20230810103511862\" \/><\/p>\n<p>\u6293\u5305\u5206\u6790\uff1a<\/p>\n<p><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/xianyijitan.top\/wp-blog\/typora-user-images\/image-20230810151054368.png?w=960&#038;ssl=1\" alt=\"image-20230810151054368\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>PAT\u539f\u7406 PAT\uff08Port Address Translation\uff0c\u7aef\u53e3\u5730\u5740\u8f6c\u6362\uff09\u6280\u672f\u662f\u6539\u53d8\u6570\u636e\u5305\u7684IP\u5730\u5740\u548c\u7aef\u53e3\u53f7\uff0c\u8fd9\u6837\u5c31\u80fd\u591f\u5927\u91cf\u8282\u7701\u516c\u7f51IP\u5730\u5740\uff0c\u56e0\u6b64\u5728\u5b9e\u9645\u5de5\u4f5c\u4e2d\u5e94\u7528\u5e7f\u6cdb\u3002 PAT\u5206\u4e3a\u52a8\u6001PAT\u548c\u9759\u6001PAT\u3002 \u52a8\u6001PAT \u52a8\u6001PAT\u6539\u53d8\u5916\u51fa\u6570\u636e\u5305\u7684\u6e90IP\u5730\u5740\u548c\u6e90\u7aef\u53e3\uff0c\u5185\u7f51\u7684\u6240\u6709\u4e3b\u673a\u5747\u53ef\u5171\u4eab\u4e00\u4e2a\u5408\u6cd5\u7684\u5916\u90e8IP\u5730\u5740\u8bbf\u95ee\u4e92\u8054\u7f51\uff0c\u4ece\u800c\u6700\u5927\u9650\u5ea6\u7684\u8282\u7ea6IP\u5730\u5740\u3002\u4e0e\u52a8\u6001NAT\u4e00\u6837\uff0c\u52a8\u6001PAT\u4e5f\u662f\u5355\u5411\u7684\u3002 \u52a8\u6001PAT\u5305\u62ecNAPT\u548cEasy IP\uff0cNAPT\uff08Network Address and Port Translation\uff0c\u7f51\u7edc\u5730\u5740\u7aef\u53e3\u8f6c\u6362\uff09\u5141\u8bb8\u591a\u4e2a\u5185\u90e8\u5730\u5740\u6620\u5c04\u5230\u540c\u4e00\u4e2a\u516c\u6709\u5730\u5740\u7684\u4e0d\u540c\u7aef\u53e3\uff0c\u800cEasy IP\u5c5e\u4e8eNAPT\u7684\u4e00\u79cd\u7279\u4f8b\uff0c\u5141\u8bb8\u5c06\u591a\u4e2a\u5185\u90e8\u5730\u5740\u6620\u5c04\u5230\u7f51\u5173\u51fa\u63a5\u53e3\u5730\u5740\u4e0a\u7684\u4e0d\u540c\u7aef\u53e3\uff0c\u5373\u516c\u6709\u5730\u5740\u76f4\u63a5\u4f7f\u7528\u7f51\u5173\u8bbe\u5907\u7684\u5916\u7f51\u53e3\u3002 NAPT \u5141\u8bb8\u591a\u4e2a\u5185\u90e8\u5730\u5740\u6620\u5c04\u5230\u540c\u4e00\u4e2a\u516c\u6709\u5730\u5740\u7684\u4e0d\u540c\u7aef\u53e3\u3002 \u8bed\u6cd5\uff1a \u7b2c\u4e00\u6b65\uff1a\u5b9a\u4e49\u8bbf\u95ee\u63a7\u5236\u5217\u8868 [Huawei]acl 2000 [Huawei-acl-basic-2000]rule 5 permit source 10.1.1.0 0.0.0.255 [Huawei-acl-basic-2000]quit \u7b2c\u4e8c\u6b65\uff1a\u5b9a\u4e49\u5730\u5740\u6c60 [Huawei]nat address-group 1 20.20.20.10 20.20.20.10 \u7b2c\u4e09\u6b65\uff1a\u5728\u5916\u90e8\u63a5\u53e3\u4e0a\u542f\u7528NAT [Huawei]int g0\/0\/1 [Huawei-GigabitEthernet0\/0\/1]nat outbound 2000 address-group 1 [Huawei-GigabitEthernet0\/0\/1]q \u7b2c\u56db\u6b65\uff1a\u67e5\u770bNAT\u914d\u7f6e\uff1a [Huawei]dis nat address-group NAT Address-Group Information: &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211; Index Start-address End-address &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211; 1 20.20.20.10 20.20.20.10 &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211; Total : 1 \u5b9e\u4f8b\uff1a \u8981\u6c42\u5c06\u5185\u90e8\u7f51\u7edc10.1.1.0\/24\u8f6c\u6362\u4e3a\u4e00\u4e2a\u516c\u7f51\u5730\u574020.20.20.10\/28\u4e0a\u7f51 \u642d\u5efa\u7f51\u7edc\u62d3\u6251\u7ed3\u6784\uff1a \u8981\u6c42:\u5c06\u5185\u90e8\u5730\u574010.1.1.0\/24\u52a8\u6001\u8f6c\u6362\u4e3a\u516c\u7f51\u5730\u574020.20.20.10 ~ 20.20.20.20\/24\uff0c\u4ee5\u4fbf\u8bbf\u95ee\u5916\u7f51\uff08Server3\uff09\u6216\u88ab\u5916\u7f51\uff08Server3\uff09\u8bbf\u95ee\uff0c\u7136\u540e\u9a8c\u8bc1\u52a8\u6001NAT\u6293\u5305\u5206\u6790\u3002 \u7b2c\u4e00\u6b65\uff1a\u914d\u7f6e\u5ba2\u6237\u673a\u3001\u670d\u52a1\u5668\u3001\u4e3b\u673a\u3001\u8def\u7531\u5668\u5bf9\u5e94\u7684ip\u5730\u5740\u3001\u8def\u7531\u53ca\u7f51\u7ba1\uff1b AR2: Info: Current terminal monitor is off. sys Enter system view, return user view with Ctrl+Z. [Huawei]int g0\/0\/0 [Huawei-GigabitEthernet0\/0\/0]ip address 10.1.1.254 24 [Huawei-GigabitEthernet0\/0\/0]int g0\/0\/1 [Huawei-GigabitEthernet0\/0\/1]ip address 20.20.20.1 24 [Huawei-GigabitEthernet0\/0\/1]q [Huawei]ip route-static 0.0.0.0 0.0.0.0 20.20.20.2 AR1\uff1a un t m Info: Current terminal monitor is off. sys Enter system view, return user view with Ctrl+Z. [Huawei]int g0\/0\/0 [Huawei-GigabitEthernet0\/0\/0]ip address 20.20.20.2 24 [Huawei-GigabitEthernet0\/0\/0]int g0\/0\/1 [Huawei-GigabitEthernet0\/0\/1]ip address 200.1.1.14 24 [Huawei-GigabitEthernet0\/0\/1]int g0\/0\/2 [Huawei-GigabitEthernet0\/0\/2]ip address 100.1.1.254 24 [Huawei-GigabitEthernet0\/0\/2]q \u7b2c\u4e8c\u6b65\uff1a\u5728AR2\u4e2d\u914d\u7f6e\u9759\u6001NAT \/\/\u5b9a\u4e49\u8bbf\u95ee\u63a7\u5236\u5217\u8868 [Huawei]acl 2000 [Huawei-acl-basic-2000]rule 5 permit source 10.1.1&#8230;.<\/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":[7],"tags":[],"class_list":["post-12","post","type-post","status-publish","format-standard","hentry","category-wlxx"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/xianyijitan.top\/index.php?rest_route=\/wp\/v2\/posts\/12","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xianyijitan.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xianyijitan.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xianyijitan.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/xianyijitan.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=12"}],"version-history":[{"count":2,"href":"https:\/\/xianyijitan.top\/index.php?rest_route=\/wp\/v2\/posts\/12\/revisions"}],"predecessor-version":[{"id":251,"href":"https:\/\/xianyijitan.top\/index.php?rest_route=\/wp\/v2\/posts\/12\/revisions\/251"}],"wp:attachment":[{"href":"https:\/\/xianyijitan.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=12"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xianyijitan.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=12"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xianyijitan.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=12"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}