{"id":67106,"date":"2026-01-28T09:32:58","date_gmt":"2026-01-28T01:32:58","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/67106.html"},"modified":"2026-01-28T09:32:58","modified_gmt":"2026-01-28T01:32:58","slug":"%e5%8d%8e%e4%b8%baensp%e6%a8%a1%e6%8b%9f%e5%99%a8%e7%bb%bc%e5%90%88%e5%ae%9e%e9%aa%8c%e4%b9%8b-%e9%80%9a%e8%bf%87%e6%b5%81%e7%ad%96%e7%95%a5%e5%ae%9e%e7%8e%b0vlan%e5%86%85%e4%ba%8c-%e4%b8%89%e5%b1%82","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/67106.html","title":{"rendered":"\u534e\u4e3aeNSP\u6a21\u62df\u5668\u7efc\u5408\u5b9e\u9a8c\u4e4b- \u901a\u8fc7\u6d41\u7b56\u7565\u5b9e\u73b0Vlan\u5185\u4e8c\/\u4e09\u5c42\u9694\u79bb"},"content":{"rendered":"

\u7406\u89e3\u4e24\u79cd\u9694\u79bb\u6280\u672f<\/h3>\n

\u5728\u534e\u4e3a\u7f51\u7edc\u8bbe\u5907\u4e2d，\u5229\u7528\u6d41\u7b56\u7565<\/span>\u5b9e\u73b0\u7cbe\u7ec6\u5316\u7684\u8bbf\u95ee\u63a7\u5236\u662f\u4e00\u9879\u6838\u5fc3\u6280\u80fd\u3002\u5728\u89c4\u5212\u914d\u7f6e\u524d，\u6211\u4eec\u9996\u5148\u8981\u51c6\u786e\u7406\u89e3\u8fd9\u4e24\u79cd\u6280\u672f\u7684\u533a\u522b：<\/p>\n\n\n

\u7279\u6027<\/p>\n

VLAN\u5185\u4e8c\u5c42\u9694\u79bb<\/span><\/p>\n

VLAN\u95f4\u4e09\u5c42\u9694\u79bb<\/span><\/p>\n<\/tr>\n

\n\n\n\n\n
\n

\u9694\u79bb\u5c42\u7ea7\u200b<\/p>\n<\/td>\n

\n

\u6570\u636e\u94fe\u8def\u5c42（Layer 2）<\/p>\n<\/td>\n

\n

\u7f51\u7edc\u5c42（Layer 3）<\/p>\n<\/td>\n<\/tr>\n

\n

\u5b9e\u73b0\u57fa\u7840\u200b<\/p>\n<\/td>\n

\n

\u5728\u540c\u4e00\u4e2aVLAN\u5185\u8fdb\u884c<\/p>\n<\/td>\n

\n

\u5728\u4e0d\u540cVLAN\u4e4b\u95f4\u8fdb\u884c，\u9700\u5148\u5b9e\u73b0\u4e09\u5c42\u8def\u7531<\/p>\n<\/td>\n<\/tr>\n

\n

\u5178\u578b\u76ee\u7684\u200b<\/p>\n<\/td>\n

\n

\u9632\u6b62\u540c\u4e00\u5e7f\u64ad\u57df\u5185\u7684\u7528\u6237\u76f4\u63a5\u901a\u4fe1，\u589e\u5f3a\u5b89\u5168\u6027<\/p>\n<\/td>\n

\n

\u5728\u5141\u8bb8\u4e0d\u540c\u7f51\u6bb5\u901a\u4fe1\u7684\u57fa\u7840\u4e0a，\u8fdb\u884c\u7cbe\u7ec6\u5316\u7684\u8bbf\u95ee\u63a7\u5236<\/p>\n<\/td>\n<\/tr>\n

\n

\u5e38\u7528\u6280\u672f\u200b<\/p>\n<\/td>\n

\n

\u7aef\u53e3\u9694\u79bb\u3001MUX VLAN\u3001\u57fa\u4e8e\u6d41\u7b56\u7565\u7684\u9694\u79bb<\/span><\/p>\n<\/td>\n

\n

\u57fa\u4e8e\u6d41\u7b56\u7565\u7684\u8bbf\u95ee\u63a7\u5236\u5217\u8868（ACL）<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u914d\u7f6e\u6848\u4f8b：\u4f7f\u7528\u6d41\u7b56\u7565\u5b9e\u73b0\u9694\u79bb<\/h4>\n

\u6d41\u7b56\u7565\u7684\u6838\u5fc3\u914d\u7f6e\u6d41\u7a0b\u53ef\u4ee5\u6982\u62ec\u4e3a：\u5b9a\u4e49\u89c4\u5219（ACL） -> \u5206\u7c7b\u6d41\u91cf（\u6d41\u5206\u7c7b） -> \u8bbe\u5b9a\u52a8\u4f5c（\u6d41\u884c\u4e3a） -> \u7ed1\u5b9a\u7b56\u7565（\u6d41\u7b56\u7565） -> \u5e94\u7528\u7b56\u7565<\/span>\u3002<\/p>\n

\u4e00\u3001VLAN\u5185\u4e8c\u5c42\u9694\u79bb\u6848\u4f8b<\/h4>\n

\u573a\u666f：\u5728\u540c\u4e00VLAN（\u4f8b\u5982VLAN 10）\u5185，\u8981\u6c42PC1\u548cPC2\u4e0d\u80fd\u4e92\u76f8\u901a\u4fe1，\u4f46\u5b83\u4eec\u90fd\u53ef\u4ee5\u4e0e\u7f51\u5173\u53ca\u5916\u90e8\u7f51\u7edc\u901a\u4fe1\u3002<\/p>\n

\u914d\u7f6e\u6b65\u9aa4：<\/p>\n

  • \n

    \u521b\u5efa\u9ad8\u7ea7ACL\u5b9a\u4e49\u9694\u79bb\u89c4\u5219：\u7981\u6b62\u8fd9\u4e24\u53f0PC\u4e4b\u95f4\u7684IP\u901a\u4fe1\u3002<\/p>\n

    <HUAWEI> system-view
    \n[HUAWEI] sysname LSW
    \n[LSW] acl 3000
    \n[LSW-acl-adv-3000] rule deny ip source 10.1.1.10 0 destination 10.1.1.20 0 # \u7981\u6b62PC1\u8bbf\u95eePC2
    \n[LSW-acl-adv-3000] rule deny ip source 10.1.1.20 0 destination 10.1.1.10 0 # \u7981\u6b62PC2\u8bbf\u95eePC1
    \n[LSW-acl-adv-3000] quit <\/li>\n

  • \n

    \u914d\u7f6e\u6d41\u5206\u7c7b\u4e0e\u6d41\u884c\u4e3a：<\/p>\n

      \n
    • \n

      \u6d41\u5206\u7c7b：\u5173\u8054\u4e0a\u9762\u521b\u5efa\u7684ACL 3000，\u7528\u4e8e\u8bc6\u522bPC1\u548cPC2\u4e4b\u95f4\u7684\u6d41\u91cf\u3002<\/p>\n

      [LSW] traffic classifier c_isolate
      \n[LSW-classifier-c_isolate] if-match acl 3000
      \n[LSW-classifier-c_isolate] quit <\/li>\n

    • \n

      \u6d41\u884c\u4e3a：\u5bf9\u5339\u914d\u5230\u7684\u6d41\u91cf\u6267\u884cdeny（\u62d2\u7edd）\u52a8\u4f5c\u3002<\/p>\n

      [LSW] traffic behavior b_deny
      \n[LSW-behavior-b_deny] deny
      \n[LSW-behavior-b_deny] quit <\/li>\n<\/ul>\n<\/li>\n

    • \n

      \u521b\u5efa\u5e76\u5e94\u7528\u6d41\u7b56\u7565：<\/p>\n

        \n
      • \n

        \u6d41\u7b56\u7565：\u5c06\u6d41\u5206\u7c7b\u548c\u6d41\u884c\u4e3a\u7ed1\u5b9a\u8d77\u6765，\u5f62\u6210\u4e00\u4e2a\u5b8c\u6574\u7684\u7b56\u7565\u3002<\/p>\n

        [LSW] traffic policy p_isolate
        \n[LSW-trafficpolicy-p_isolate] classifier c_isolate behavior b_deny
        \n[LSW-trafficpolicy-p_isolate] quit <\/li>\n

      • \n

        \u5e94\u7528\u7b56\u7565：\u5c06\u6d41\u7b56\u7565\u5e94\u7528\u5230\u8fde\u63a5PC1\u548cPC2\u7684\u7269\u7406\u63a5\u53e3\u7684\u5165\u65b9\u5411（inbound）\u3002<\/p>\n

        [LSW] interface GigabitEthernet 0\/0\/1 # \u5047\u8bbe\u6b64\u63a5\u53e3\u8fde\u63a5PC1
        \n[LSW-GigabitEthernet0\/0\/1] traffic-policy p_isolate inbound
        \n[LSW-GigabitEthernet0\/0\/1] quit
        \n[LSW] interface GigabitEthernet 0\/0\/2 # \u5047\u8bbe\u6b64\u63a5\u53e3\u8fde\u63a5PC2
        \n[LSW-GigabitEthernet0\/0\/2] traffic-policy p_isolate inbound
        \n[LSW-GigabitEthernet0\/0\/2] quit <\/li>\n<\/ul>\n<\/li>\n

        \u4e8c\u3001VLAN\u95f4\u4e09\u5c42\u9694\u79bb\u6848\u4f8b<\/h4>\n

        \u573a\u666f：\u67d0\u516c\u53f8\u6709\u8bbf\u5ba2（VLAN 10）\u3001\u5458\u5de5（VLAN 20）\u548c\u670d\u52a1\u5668（VLAN 30）\u4e09\u4e2aVLAN\u3002\u8981\u6c42\u5982\u4e0b：<\/p>\n

          \n
        • \n

          \u8bbf\u5ba2\u53ea\u80fd\u8bbf\u95ee\u4e92\u8054\u7f51，\u4e0d\u80fd\u8bbf\u95ee\u5458\u5de5\u533a\u548c\u670d\u52a1\u5668\u533a\u3002<\/p>\n<\/li>\n

        • \n

          \u666e\u901a\u5458\u5de5\u53ef\u4ee5\u8bbf\u95ee\u4e92\u8054\u7f51\u548c\u670d\u52a1\u5668A\u7684FTP\u670d\u52a1（\u7aef\u53e321），\u4f46\u4e0d\u80fd\u8bbf\u95ee\u670d\u52a1\u5668B\u3002<\/p>\n<\/li>\n

        • \n

          \u7279\u6743\u5458\u5de5（\u5982\u5458\u5de5A）\u53ef\u4ee5\u8bbf\u95ee\u6240\u6709\u670d\u52a1\u5668\u8d44\u6e90\u3002<\/p>\n<\/li>\n<\/ul>\n

          \u914d\u7f6e\u601d\u8def：\u5148\u914d\u7f6eVLAN\u548cVLANIF\u63a5\u53e3\u5b9e\u73b0\u4e09\u5c42\u4e92\u901a，\u518d\u901a\u8fc7\u6d41\u7b56\u7565\u5b9e\u65bd\u7cbe\u7ec6\u63a7\u5236\u3002<\/p>\n

          \u5173\u952e\u914d\u7f6e\u6b65\u9aa4（\u5728\u6838\u5fc3\u4ea4\u6362\u673aDeviceD\u4e0a\u8fdb\u884c）：<\/p>\n

        • \n

          \u914d\u7f6eACL\u5b9a\u4e49\u590d\u6742\u89c4\u5219：<\/p>\n

            \n
          • \n

            ACL 3000：\u9650\u5236\u8bbf\u5ba2\u8bbf\u95ee\u5185\u90e8\u7f51\u7edc\u3002<\/p>\n

            [DeviceD] acl 3000
            \n[DeviceD-acl-adv-3000] rule deny ip destination 10.1.2.0 0.0.0.255 # \u7981\u6b62\u8bbf\u5ba2\u8bbf\u95ee\u5458\u5de5\u7f51\u6bb5
            \n[DeviceD-acl-adv-3000] rule deny ip destination 10.1.3.0 0.0.0.255 # \u7981\u6b62\u8bbf\u5ba2\u8bbf\u95ee\u670d\u52a1\u5668\u7f51\u6bb5
            \n[DeviceD-acl-adv-3000] quit <\/li>\n<\/ul>\n

              \n
            • \n

              ACL 3001：\u5b9a\u4e49\u5458\u5de5\u533a\u7684\u8bbf\u95ee\u6743\u9650\u3002<\/p>\n

              [DeviceD] acl 3001
              \n[DeviceD-acl-adv-3001] rule permit ip source 10.1.2.2 0 destination 10.1.3.0 0.0.0.255 # \u5141\u8bb8\u5458\u5de5A\u8bbf\u95ee\u6574\u4e2a\u670d\u52a1\u5668\u7f51\u6bb5
              \n[DeviceD-acl-adv-3001] rule permit tcp destination 10.1.3.2 0 destination-port eq 21 # \u5141\u8bb8\u6240\u6709\u5458\u5de5\u8bbf\u95ee\u670d\u52a1\u5668A\u7684FTP
              \n[DeviceD-acl-adv-3001] rule deny ip destination 10.1.3.0 0.0.0.255 # \u7981\u6b62\u5458\u5de5\u8bbf\u95ee\u670d\u52a1\u5668\u533a\u7684\u5176\u4ed6\u6d41\u91cf
              \n[DeviceD-acl-adv-3001] quit <\/li>\n<\/ul>\n<\/li>\n

            • \n

              \u914d\u7f6e\u6d41\u5206\u7c7b\u3001\u6d41\u884c\u4e3a\u5e76\u7ed1\u5b9a\u6d41\u7b56\u7565（\u6b65\u9aa4\u4e0e\u524d\u8ff0\u6848\u4f8b\u7c7b\u4f3c，\u6b64\u5904\u7b80\u5199）：<\/p>\n

              !– \u4e3a\u8bbf\u5ba2VLAN\u521b\u5efa\u6d41\u7b56\u7565
              \n[DeviceD] traffic classifier c_guest if-match acl 3000
              \n[DeviceD] traffic behavior b_guest deny !– \u62d2\u7edd\u8bbf\u5ba2\u8bbf\u95ee\u5185\u90e8\u7f51\u7edc
              \n[DeviceD] traffic policy p_guest classifier c_guest behavior b_guest
              \n[DeviceD] vlan 10
              \n[DeviceD-vlan10] traffic-policy p_guest inbound !– \u5728VLAN\u7ef4\u5ea6\u5e94\u7528\u7b56\u7565 !– \u4e3a\u5458\u5de5VLAN\u521b\u5efa\u6d41\u7b56\u7565
              \n[DeviceD] traffic classifier c_employee if-match acl 3001
              \n[DeviceD] traffic behavior b_employee permit !– \u6ce8\u610f\u8fd9\u91cc\u662fpermit，\u56e0\u4e3aACL\u5185\u5df2\u660e\u786e\u5141\u8bb8\u548c\u62d2\u7edd\u7684\u89c4\u5219
              \n[DeviceD] traffic policy p_employee classifier c_employee behavior b_employee
              \n[DeviceD] vlan 20
              \n[DeviceD-vlan20] traffic-policy p_employee inbound <\/li>\n

              \u4e09\u3001\u6280\u672f\u70b9\u5206\u6790<\/h4>\n
            • \n

              \u6d41\u7b56\u7565\u7684\u5e94\u7528\u4f4d\u7f6e：\u6d41\u7b56\u7565\u53ef\u4ee5\u5e94\u7528\u5728\u7269\u7406\u63a5\u53e3\u3001VLAN\u6216\u5168\u5c40\u3002VLAN\u5185\u9694\u79bb\u901a\u5e38\u5e94\u7528\u5728\u63a5\u5165\u63a5\u53e3\u4e0a，\u800cVLAN\u95f4\u9694\u79bb\u66f4\u9002\u5408\u5e94\u7528\u5728VLANIF\u63a5\u53e3\u6216\u6574\u4e2aVLAN\u7684\u5165\u65b9\u5411，\u7ba1\u7406\u8d77\u6765\u66f4\u7b80\u6d01\u3002<\/p>\n<\/li>\n

            • \n

              ACL\u89c4\u5219\u7684\u7ec6\u5316：\u4e09\u5c42\u9694\u79bb\u7684\u5f3a\u5927\u4e4b\u5904\u5728\u4e8eACL\u7684\u7075\u6d3b\u6027\u3002\u4f60\u53ef\u4ee5\u57fa\u4e8e\u6e90\/\u76ee\u7684IP\u5730\u5740\u3001\u534f\u8bae\u7c7b\u578b（\u5982TCP\/UDP\/ICMP）\u3001\u7aef\u53e3\u53f7\u7b49\u5143\u7d20\u8fdb\u884c\u7cbe\u7ec6\u63a7\u5236，\u5b9e\u73b0\u5982\u201c\u4ec5\u5141\u8bb8\u8bbf\u95ee\u7279\u5b9a\u670d\u52a1\u5668\u7684\u7279\u5b9a\u7aef\u53e3\u201d\u8fd9\u6837\u7684\u9700\u6c42\u3002<\/p>\n<\/li>\n

            • \n

              \u7b56\u7565\u7684\u751f\u6548\u65b9\u5411：inbound（\u5165\u65b9\u5411）\u662f\u6307\u4ea4\u6362\u673a\u5728\u63a5\u6536\u5230\u62a5\u6587\u65f6\u5c31\u5f00\u59cb\u5339\u914d\u7b56\u7565\u5e76\u8fdb\u884c\u8fc7\u6ee4，\u8fd9\u662f\u6700\u5e38\u7528\u4e14\u9ad8\u6548\u7684\u65b9\u5f0f\u3002<\/p>\n<\/li>\n

              \u56db\u3001\u9009\u62e9\u4e0e\u9a8c\u8bc1<\/h4>\n
                \n
              • \n

                VLAN\u5185\u9694\u79bb<\/span>：\u5982\u679c\u9700\u6c42\u7b80\u5355，\u53ea\u662f\u8981\u6c42\u540c\u4e00VLAN\u4e0b\u7684\u67d0\u4e9b\u7aef\u53e3\u4e0d\u80fd\u4e92\u8bbf，\u7aef\u53e3\u9694\u79bb\u662f\u66f4\u7b80\u5355\u9ad8\u6548\u7684\u9009\u62e9\u3002\u5982\u679c\u9694\u79bb\u9700\u6c42\u590d\u6742（\u5982\u9700\u8981\u5355\u5411\u9694\u79bb\u6216\u66f4\u590d\u6742\u7684\u6d41\u91cf\u5339\u914d），\u5219\u4f7f\u7528\u6d41\u7b56\u7565\u3002<\/p>\n<\/li>\n

              • \n

                VLAN\u95f4\u9694\u79bb<\/span>：\u5f53\u4e0d\u540c\u90e8\u95e8\u6216\u7528\u6237\u7ec4\u5df2\u5212\u5206VLAN，\u4e14\u9700\u8981\u5728\u4e09\u5c42\u4e92\u901a\u7684\u57fa\u7840\u4e0a\u5b9e\u65bd\u5b89\u5168\u7b56\u7565\u65f6，\u6d41\u7b56\u7565\u662f\u5b9e\u73b0\u7cbe\u7ec6\u8bbf\u95ee\u63a7\u5236\u7684\u4e0d\u4e8c\u4e4b\u9009\u3002\u6027\u80fd\u4e0e\u8f6c\u53d1\u6548\u7387：\u8fd9\u662f\u5927\u578b\u7f51\u7edc\u90e8\u7f72\u7684\u9996\u8981\u8003\u8651，\u4e0d\u5f53\u7684\u7b56\u7565\u4f1a\u4e25\u91cd\u5f71\u54cd\u6574\u7f51\u541e\u5410\u548c\u5ef6\u8fdf\u3002<\/p>\n<\/li>\n

              • \n

                \u7b56\u7565\u5e94\u7528\u4f4d\u7f6e<\/span>（\u5173\u952e）\u539f\u5219：\u5c3d\u91cf\u9760\u8fd1\u6d41\u91cf\u6e90（\u5165\u65b9\u5411），\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u7a7f\u8d8a\u5e26\u5bbd\u6d88\u8017\u3002<\/p>\n

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              • \n

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