{"id":9910,"date":"2022-05-17T18:20:16","date_gmt":"2022-05-18T01:20:16","guid":{"rendered":"https:\/\/www.xh86.me\/?p=9910"},"modified":"2022-05-17T18:20:16","modified_gmt":"2022-05-18T01:20:16","slug":"%e7%bd%91%e5%b7%a5%e4%ba%a4%e6%8d%a2%e5%9f%ba%e7%a1%80%ef%bc%887%ef%bc%89qinq","status":"publish","type":"post","link":"https:\/\/www.xh86.me\/?p=9910","title":{"rendered":"\u7f51\u5de5\u4ea4\u6362\u57fa\u7840\uff087\uff09QinQ"},"content":{"rendered":"
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QinQ\u662f\u4e2a\u5565\uff1f<\/strong><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n

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QinQ \u662f 802.1Q in 802.1Q \u7684\u7b80\u79f0\uff0c\u662f\u57fa\u4e8e IEEE 802.1Q \u6280\u672f\u7684\u4e00\u79cd\u6bd4\u8f83\u7b80\u5355\u7684\u4e8c\u5c42 VPN \u534f\u8bae\u3002<\/span><\/p>\n

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IEEE 802.1Q \u5b9a\u4e49\u7684 VLAN ID \u57df\u6709 12 \u4e2a\u6bd4\u7279\uff0c\u6700\u591a\u53ef\u4ee5\u63d0\u4f9b 4094 \u4e2a VLAN\u3002\u4f46\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5c24\u5176\u662f\u5728\u57ce\u57df\u7f51\u4e2d\uff0c\u9700\u8981\u5927\u91cf\u7684 VLAN \u6765\u9694\u79bb\u7528\u6237\uff0c4094 \u4e2a VLAN \u8fdc\u8fdc\u4e0d\u80fd\u6ee1\u8db3\u9700\u6c42\u3002<\/span><\/p>\n

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QinQ \u4f7f\u6574\u4e2a\u7f51\u7edc\u6700\u591a\u53ef\u4ee5\u63d0\u4f9b 4094\u00d74094 \u4e2a VLAN\uff0c\u6ee1\u8db3\u4e86\u57ce\u57df\u7f51\u5bf9 VLAN \u6570\u91cf\u7684\u9700\u6c42\u3002<\/span><\/p>\n

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\u5b83<\/span>\u901a\u8fc7\u5c06\u4e00\u5c42 VLAN Tag \u5c01\u88c5\u5230\u79c1\u7f51\u62a5\u6587\u4e0a\uff0c\u4f7f\u5176\u643a\u5e26\u4e24\u5c42 VLAN Tag \u7a7f\u8d8a\u8fd0\u8425\u5546\u7684\u9aa8\u5e72\u7f51\u7edc(\u53c8\u79f0\u516c\u7f51)\uff0c\u4ece\u800c\u4f7f\u8fd0\u8425\u5546\u80fd\u591f\u5229\u7528\u4e00\u4e2a VLAN \u4e3a\u5305\u542b\u591a\u4e2a VLAN \u7684\u7528\u6237\u7f51\u7edc\u63d0\u4f9b\u670d\u52a1\u3002<\/span><\/p>\n

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QinQ \u5177\u5907\u4ee5\u4e0b\u4f18\u70b9\uff1a<\/span><\/strong><\/p>\n

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  • \n

    \u7f13\u89e3\u516c\u7f51 VLAN \u8d44\u6e90\u65e5\u76ca\u7d27\u7f3a\u7684\u95ee\u9898<\/span><\/p>\n<\/li>\n

  • \n

    \u7528\u6237\u53ef\u4ee5\u89c4\u5212\u81ea\u5df1\u7684\u79c1\u7f51 VLAN\uff0c\u4e0d\u4f1a\u5bfc\u81f4\u4e0e\u516c\u7f51 VLAN \u51b2\u7a81<\/span><\/p>\n<\/li>\n

  • \n

    \u4e3a\u7528\u6237\u63d0\u4f9b\u4e86\u4e00\u79cd\u7b80\u5355\u3001\u7075\u6d3b\u7684\u4e8c\u5c42 VPN \u89e3\u51b3\u65b9\u6848<\/span><\/p>\n<\/li>\n

  • \n

    \u5f53\u8fd0\u8425\u5546\u8fdb\u884c VLAN \u89c4\u5212\u65f6\uff0c\u7528\u6237\u7f51\u7edc\u4e0d\u5fc5\u66f4\u6539\u539f\u6709\u914d\u7f6e\uff0c\u4f7f\u7528\u6237\u7f51\u7edc\u5177\u6709\u4e86\u8f83\u5f3a\u7684\u72ec\u7acb\u6027<\/span><\/p>\n<\/li>\n<\/ul>\n<\/section>\n

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    <\/section>\n
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    <\/div><\/section>\n
    <\/section>\n<\/section>\n
    <\/section>\n<\/section>\n
    \n
    QinQ\u7684\u5de5\u4f5c\u539f\u7406<\/strong><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n

    \n

    QinQ\u62a5\u6587\u5728\u8fd0\u8425\u5546\u7f51\u7edc\u4e2d\u4f20\u8f93\u65f6\u5e26\u6709\u53cc\u5c42VLAN Tag\uff1a<\/span><\/p>\n

    \n

    \u5185\u5c42 VLAN Tag\uff1a<\/span><\/strong>\u4e3a\u7528\u6237\u7684\u79c1\u7f51 VLAN Tag\uff0cCustomer VLAN Tag (\u7b80\u79f0 CVLAN)\u3002\u8bbe\u5907\u4f9d\u9760\u8be5 Tag \u5728\u79c1\u7f51\u4e2d\u4f20\u9001\u62a5\u6587\u3002<\/span><\/p>\n

    \n

    \u5916\u5c42 VLAN Tag\uff1a<\/span><\/strong>\u4e3a\u8fd0\u8425\u5546\u5206\u914d\u7ed9\u7528\u6237\u7684\u516c\u7f51 VLAN Tag\uff0c Service VLAN Tag(\u7b80\u79f0 SVLAN)\u3002\u8bbe\u5907\u4f9d\u9760\u8be5 Tag \u5728\u516c\u7f51\u4e2d\u4f20\u9001 QinQ \u62a5\u6587\u3002<\/span><\/p>\n

    \n

    <\/div><\/p>\n

    \n

    \u5728\u516c\u7f51\u7684\u4f20\u8f93\u8fc7\u7a0b\u4e2d\uff0c\u8bbe\u5907\u53ea\u6839\u636e\u5916\u5c42 VLAN Tag \u8f6c\u53d1\u62a5\u6587\uff0c\u800c\u5185\u5c42 VLAN Tag \u5c06\u88ab\u5f53\u4f5c\u62a5\u6587\u7684\u6570\u636e\u90e8\u5206\u8fdb\u884c\u4f20\u8f93\u3002<\/span><\/p>\n

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    QinQ \u5c01\u88c5<\/strong><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n

    \n

    QinQ \u5c01\u88c5\u662f\u6307\u5982\u4f55\u628a\u5355\u5c42 Q \u62a5\u6587\u8f6c\u6362\u6210\u53cc\u5c42 Q \u62a5\u6587\uff0c\u5c01\u88c5\u4e3b\u8981\u53d1\u751f\u5728\u57ce\u57df\u7f51\u9762\u5411\u7528\u6237\u7684 UPE \u63a5\u53e3\u4e0a\u8fdb\u884c\u3002<\/span><\/p>\n

    \n

    \u6839\u636e\u4e0d\u540c\u7684\u5c01\u88c5\u6570\u636e\uff0c QinQ \u53ef\u4ee5\u5206\u4e3a\u51e0\u79cd\u4e0d\u540c\u7c7b\u578b\uff0c\u5305\u62ec\u57fa\u4e8e\u63a5\u53e3\u7684 QinQ \u548c\u57fa\u4e8e\u6d41\u7684 QinQ \u4e24\u5927\u7c7b\uff0c\u53e6\u5916\uff0c\u8fd8\u53ef\u4ee5\u5728\u8def\u7531\u5b50\u63a5\u53e3\u4e0a\u8fdb\u884c\u7279\u6b8a\u7684 QinQ \u5c01\u88c5\uff0c\u5177\u4f53\u5982\u4e0b\uff1a<\/span><\/p>\n

    \n

    01 \u57fa\u4e8e\u63a5\u53e3\u7684 QinQ \u5c01\u88c5<\/strong><\/span><\/p>\n

    \u57fa\u4e8e\u63a5\u53e3\u7684\u5c01\u88c5\u662f\u6307\u8fdb\u5165\u4e00\u4e2a\u63a5\u53e3\u7684\u6240\u6709\u6d41\u91cf\u5168\u90e8\u5c01\u88c5\u4e00\u4e2a\u76f8\u540c\u7684\u5916\u5c42 VLAN Tag\uff0c\u5c01\u88c5\u65b9\u5f0f\u4e0d\u591f\u7075\u6d3b\uff0c\u7528\u6237\u4e1a\u52a1\u533a\u5206\u4e0d\u591f\u7ec6\u81f4\uff0c\u8fd9\u79cd\u5c01\u88c5\u65b9\u5f0f\u4e5f\u79f0\u4f5c QinQ \u4e8c\u5c42\u96a7\u9053\u3002<\/span><\/span><\/p>\n

    \n

    02 \u57fa\u4e8e\u6d41\u7684 QinQ \u5c01\u88c5<\/strong><\/span><\/p>\n

    \u57fa\u4e8e\u6d41\u7684 QinQ \u5c01\u88c5\u53ef\u4ee5\u5bf9\u8fdb\u5165\u63a5\u53e3\u7684\u6570\u636e\u9996\u5148\u8fdb\u884c\u6d41\u5206\u7c7b\uff0c\u7136\u540e\u5bf9\u4e8e\u4e0d\u540c\u7684\u6570\u636e\u6d41\u9009\u62e9\u662f\u5426\u5c01\u88c5\u5916\u5c42 Tag\u3001\u5c01\u88c5\u4f55\u79cd\u5916\u5c42 Tag\uff0c\u56e0\u6b64\u8fd9\u79cd\u5c01\u88c5\u65b9\u5f0f\u4e5f\u79f0\u4f5c\u4e8c\u5c42\u7075\u6d3b QinQ\u3002<\/span><\/span><\/p>\n

    \n

    \u4f8b\u5982\uff1a<\/span><\/strong>\u5f53\u540c\u4e00\u7528\u6237\u7684\u4e0d\u540c\u4e1a\u52a1\u4f7f\u7528\u4e0d\u540c\u7684 VLAN ID \u65f6\uff0c\u53ef\u4ee5\u6839\u636e VLAN ID \u533a\u95f4\u8fdb\u884c\u5206\u6d41\u3002<\/span><\/p>\n

    \n

    \u5047\u8bbe PC \u4e0a\u7f51\u7684 VLAN ID \u8303\u56f4\u662f 101\uff5e200\uff1bIPTV \u7684 VLAN ID \u8303\u56f4\u662f 201\uff5e300\uff1b\u5927\u5ba2\u6237\u7684VLAN ID \u8303\u56f4\u662f 301\uff5e400\u3002\u9762\u5411\u7528\u6237\u7684 UPE \u6536\u5230\u4e1a\u52a1\u6570\u636e\u540e\uff0c\u6839\u636e VLAN ID \u8303\u56f4\uff0c\u5bf9 PC\u4e0a\u7f51\u4e1a\u52a1\u5c01\u88c5\u4e0a\u5916\u5c42 Tag 100\uff0c\u5bf9 IPTV \u5c01\u88c5\u4e0a\u5916\u5c42 Tag 300\uff0c\u5bf9\u5927\u5ba2\u6237\u5c01\u88c5\u4e0a\u5916\u5c42 Tag 500\u3002<\/span><\/p>\n

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    03 \u5728\u8def\u7531\u5b50\u63a5\u53e3\u4e0a\u8fdb\u884c QinQ \u5c01\u88c5<\/strong><\/span><\/p>\n

    \n

    QinQ \u5c01\u88c5\u4e00\u822c\u5728\u4ea4\u6362\u5f0f\u63a5\u53e3\u4e0a\u8fdb\u884c\uff0c\u4f46\u6709\u4e00\u79cd\u7279\u6b8a\u60c5\u51b5\uff0c QinQ \u4e5f\u53ef\u4ee5\u5728\u8def\u7531\u5b50\u63a5\u53e3\u4e0a\u8fdb\u884c\u5c01\u88c5\u3002<\/span><\/p>\n


    \u5f53 MPLS\/IP \u6838\u5fc3\u7f51\u91c7\u7528 PWE3\/VLL\/VPLS \u900f\u4f20\u4e1a\u52a1\u6570\u636e\u65f6\uff0c NPE \u4e0a\u7684\u8def\u7531\u5b50\u63a5\u53e3\u53ef\u4ee5\u6839\u636e\u7528\u6237 VLAN ID \u5c01\u88c5\u5916\u5c42 VLAN ID\uff0c\u901a\u8fc7\u5916\u5c42 VLAN ID \u63a5\u5165 VLL\/PWE3\u3002\u6b64\u79cd\u65b9\u6cd5\u53ef\u4ee5\u901a\u8fc7\u4e00\u4e2a\u5b50\u63a5\u53e3\u6765\u900f\u4f20\u591a\u4e2a\u6807\u8bc6\u7528\u6237\u7684 VLAN ID\uff0c\u8fd9\u79cd\u5b50\u63a5\u53e3\u4e5f\u53eb QinQ Stacking \u5b50\u63a5\u53e3\u3002
    \u8fd9\u79cd\u5c01\u88c5\u65b9\u5f0f\u4e5f\u662f\u57fa\u4e8e\u6d41\u7684 QinQ \u5c01\u88c5\u65b9\u5f0f\uff0c\u4f46 QinQ Stacking \u5b50\u63a5\u53e3\u53ea\u80fd\u548cL2VPN(PWE3\/VLL\/VPLS)\u4e1a\u52a1\u7ed3\u5408\u8d77\u6765\u624d\u6709\u610f\u4e49\uff0c\u4e0d\u652f\u6301\u4e09\u5c42\u8f6c\u53d1\u529f\u80fd\u3002<\/span><\/p>\n

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    <\/section>\n
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    <\/div><\/section>\n
    <\/section>\n<\/section>\n
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    QinQ\/Dot1q \u7ec8\u7ed3\u5b50\u63a5\u53e3<\/strong><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n

    \n

    \u7ec8\u7ed3\u4e3b\u8981\u662f\u6307\u8bbe\u5907\u5bf9\u62a5\u6587\u7684\u5355\u5c42\u6216\u8005\u53cc\u5c42 Tag \u8fdb\u884c\u8bc6\u522b\uff0c\u7136\u540e\u6839\u636e\u540e\u7eed\u7684\u8f6c\u53d1\u884c\u4e3a\u5bf9\u5355\u5c42\u6216\u8005\u53cc\u5c42 Tag \u8fdb\u884c\u5265\u79bb\u6216\u7ee7\u7eed\u4f20\u9001\u3002<\/span><\/p>\n

    \n

    QinQ \u6280\u672f\u5728\u548c MPLS\/IP \u6838\u5fc3\u7f51\u8fde\u63a5\u65f6\uff0c\u6839\u636e\u4e0d\u540c\u7684\u60c5\u51b5\uff0c\u4f1a\u7528\u5230\u4e0d\u540c\u7684\u7ec8\u7ed3\u65b9\u6cd5\u3002<\/span><\/p>\n

    \n

    \u7ec8\u7ed3\u4e00\u822c\u5728\u8def\u7531\u5b50\u63a5\u53e3\u4e0a\u6267\u884c\uff0c\u5373\uff1a\u7ec8\u7ed3\u5b50\u63a5\u53e3\u3002<\/span><\/p>\n

    \n

    \u5982\u679c\u8def\u7531\u5b50\u63a5\u53e3\u662f\u5bf9\u62a5\u6587\u7684\u5355\u5c42 Tag \u7ec8\u7ed3\uff0c\u90a3\u4e48\u8be5\u5b50\u63a5\u53e3\u79f0\u4e3a\u00a0Dot1q \u7ec8\u7ed3\u5b50\u63a5\u53e3<\/strong>\u3002<\/span><\/p>\n

    \n

    \u5982\u679c\u8def\u7531\u5b50\u63a5\u53e3\u662f\u5bf9\u62a5\u6587\u7684\u53cc\u5c42 Tag \u7ec8\u7ed3\uff0c\u90a3\u4e48\u8be5\u5b50\u63a5\u53e3\u79f0\u4e3a\u00a0QinQ \u7ec8\u7ed3\u5b50\u63a5\u53e3\u3002<\/strong><\/span><\/p>\n

    QinQ \u7ec8\u7ed3\u5b50\u63a5\u53e3\u6839\u636e\u7ec8\u7ed3\u7684\u7528\u6237 VLAN Tag \u7684\u7c7b\u578b\uff0c\u901a\u5e38\u5206\u4e3a\u4e24\u79cd\u5b50\u63a5\u53e3\uff1a<\/span><\/p>\n


    \u660e\u786e\u7684 QinQ \u7ec8\u7ed3\u5b50\u63a5\u53e3\uff1a<\/strong>\u4e24\u5c42 VLAN Tag \u4e3a\u56fa\u5b9a\u7684\u503c\u3002<\/span><\/p>\n


    \u6a21\u7cca\u7684 QinQ \u7ec8\u7ed3\u5b50\u63a5\u53e3\uff1a<\/strong>\u4e24\u5c42 VLAN Tag \u4e3a\u8303\u56f4\u503c\uff0c\u5373\uff1a\u7ec8\u7ed3\u7684\u5185\u3001\u5916\u5c42 Tag \u90fd\u4e3a\u8303\u56f4\u503c\u3002<\/span><\/p>\n

    \n

    \n
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    \n
    <\/section>\n
    \n
    <\/div><\/section>\n
    <\/section>\n<\/section>\n
    <\/section>\n<\/section>\n
    \n
    QinQ\u7f51\u7edc\u62d3\u6251<\/strong><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n

    \n

    <\/div><\/p>\n

    \n

    \u7528\u6237\u7f51\u7edcA\u548cB\u7684\u79c1\u7f51VLAN\u5206\u522b\u4e3aVLAN 1\uff5e10 \u548cVLAN 1\uff5e20\u3002\u8fd0\u8425\u5546\u4e3a\u7528\u6237\u7f51\u7edcA\u548cB\u5206\u914d\u7684\u516c\u7f51VLAN\u5206\u522b\u4e3aVLAN 3 \u548cVLAN 4\u3002<\/span><\/p>\n

    \n

    \u5f53\u7528\u6237\u7f51\u7edc A \u548c B \u4e2d\u5e26\u79c1\u7f51 VLAN Tag \u7684\u62a5\u6587\u8fdb\u5165\u8fd0\u8425\u5546\u7f51\u7edc\u65f6\uff0c\u62a5\u6587\u5916\u9762\u5c31\u4f1a\u88ab\u5206\u522b\u5c01\u88c5\u4e0a VLAN 3 \u548c VLAN 4 \u7684\u516c\u7f51 VLAN Tag\u3002<\/span><\/p>\n

    \n

    \u6765\u81ea\u4e0d\u540c\u7528\u6237\u7f51\u7edc\u7684\u62a5\u6587\u5728\u8fd0\u8425\u5546\u7f51\u7edc\u4e2d\u4f20\u8f93\u65f6\u88ab\u9694\u79bb\uff0c\u5373\u4f7f\u8fd9\u4e9b\u7528\u6237\u7f51\u7edc\u5404\u81ea\u7684 VLAN \u8303\u56f4\u5b58\u5728\u91cd\u53e0\uff0c\u56e0\u4e3a\u5206\u914d\u5230\u7684\u516c\u7f51 VLAN \u4e0d\u540c\uff0c\u5728\u8fd0\u8425\u5546\u7f51\u7edc\u4e2d\u4f20\u8f93\u65f6\u4e5f\u4e0d\u4f1a\u4ea7\u751f\u51b2\u7a81\u3002<\/span><\/p>\n

    \n

    \u5f53\u62a5\u6587\u7a7f\u8fc7\u8fd0\u8425\u5546\u7f51\u7edc\uff0c\u5230\u8fbe\u8fd0\u8425\u5546\u7f51\u7edc\u53e6\u4e00\u4fa7 PE(Provider Edge\uff0c\u670d\u52a1\u63d0\u4f9b\u5546\u7f51\u7edc\u8fb9\u7f18)\u8bbe\u5907\u540e\uff0c\u62a5\u6587\u88ab\u5265\u79bb\u516c\u7f51 VLAN Tag\uff0c\u7136\u540e\u518d\u4f20\u9001\u7ed9\u7528\u6237\u7f51\u7edc\u7684 CE(Customer Edge\uff0c\u7528\u6237\u7f51\u7edc\u8fb9\u7f18)\u8bbe\u5907\u3002<\/span><\/p>\n

    \n

    \n
    \n
    \n
    \n
    \n
    <\/section>\n
    \n
    <\/div><\/section>\n
    <\/section>\n<\/section>\n
    <\/section>\n<\/section>\n
    \n
    QinQ\u7684\u5b9e\u73b0\u65b9\u5f0f<\/strong><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n

    \n

    \u5f53\u7aef\u53e3\u4e0a\u914d\u7f6e\u4e86 QinQ \u529f\u80fd\u540e\uff0c\u4e0d\u8bba\u4ece\u8be5\u7aef\u53e3\u6536\u5230\u7684\u62a5\u6587\u662f\u5426\u5e26\u6709 VLAN Tag\uff0c\u8bbe\u5907\u90fd\u4f1a\u4e3a\u8be5\u62a5\u6587\u6dfb\u52a0\u672c\u7aef\u53e3\u7f3a\u7701 VLAN \u7684 Tag\uff1a<\/span><\/p>\n

    \n

    \u5982\u679c\u6536\u5230\u7684\u662f\u5e26\u6709 VLAN Tag \u7684\u62a5\u6587\uff0c\u8be5\u62a5\u6587\u5c31\u6210\u4e3a\u5e26\u4e24\u5c42 Tag \u7684\u62a5\u6587;<\/span><\/p>\n

    \u5982\u679c\u6536\u5230\u7684\u662f\u4e0d\u5e26 VLAN Tag \u7684\u62a5\u6587\uff0c\u8be5\u62a5\u6587\u5c31\u6210\u4e3a\u5e26\u6709\u672c\u7aef\u53e3\u7f3a\u7701 VLAN Tag \u7684\u62a5\u6587\u3002<\/span><\/p>\n

    \n

    \n

    \n

    \n
    \n
    \n
    \n
    \n
    <\/section>\n
    \n
    <\/div><\/section>\n
    <\/section>\n<\/section>\n
    <\/section>\n<\/section>\n
    \n
    QinQ \u6280\u672f\u603b\u7ed3<\/strong><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n

    \n

    \u901a\u8fc7\u4e0a\u9762\u7684\u4ecb\u7ecd\u53ef\u4ee5\u770b\u51fa\uff0c QinQ \u6280\u672f\u7684\u53d1\u5c55\u8fc7\u7a0b\u5982\u4e0b\uff1a<\/span><\/p>\n


    QinQ \u4e8c\u5c42\u96a7\u9053\uff08\u57fa\u4e8e\u63a5\u53e3\u7684 QinQ\uff09\u00a0<\/span><\/p>\n

    \u2014>\u7075\u6d3b QinQ\uff08Selective QinQ\/VLAN Stacking\uff09<\/span><\/p>\n

    \u00a0\u2014> QinQ \u589e\u5f3a<\/span><\/p>\n

    \uff08QinQ Termination&Dot1q Termination&QinQ Stacking\uff09\uff0c\u5e76\u6839\u636e\u7279\u5b9a\u5e94\u7528\u573a\u666f\u5f15\u5165\u52a8\u6001 QinQ\u3002<\/span><\/p>\n

     <\/p>\n

    QinQ \u6280\u672f\u7684\u4e3b\u8981\u4f5c\u7528\u4e3a\u6269\u5c55 VLAN \u6570\u91cf\u53ca\u5bf9\u7528\u6237\u4e1a\u52a1\u8fdb\u884c\u5206\u6d41\uff0c\u5916\u5c42 Tag \u53ef\u4ee5\u4ee3\u8868\u4e2a\u4eba\u4e1a\u52a1\u7684DSLAM+\u4e1a\u52a1\u7c7b\u578b\uff0c\u4ee5\u53ca\u4f01\u4e1a\u4e1a\u52a1\u7684\u4e0d\u540c VPN Site\uff0c\u6216\u8005\u6279\u53d1\u4e1a\u52a1\u7684\u4e0d\u540c ISP \u7b49\u3002<\/span><\/p>\n

    \n

    \u6839\u636e\u7f51\u7edc\u4e1a\u52a1\u89c4\u5212\u7684\u9700\u8981\uff0c QinQ \u6280\u672f\u53ef\u4ee5\u90e8\u7f72\u5728\u4e0d\u540c\u7684\u7f51\u7edc\u5c42\u6b21\uff0c\u53ef\u4ee5\u662f\u63a5\u5165\u5c42\u3001\u6c47\u805a\u5c42\u3001\u627f\u8f7d\u5c42\u3001\u6838\u5fc3\u5c42\u3002<\/span><\/p>\n

     <\/p>\n

    QinQ \u6280\u672f\u4e3b\u8981\u4e0e\u5176\u5b83\u6280\u672f\u76f8\u7ed3\u5408\uff0c\u6765\u5e2e\u52a9\u8fd0\u8425\u5546\u7cbe\u7ec6\u5316\u7ba1\u7406\u4e2a\u4eba\u4e1a\u52a1\u3001\u4f01\u4e1a\u4e1a\u52a1\u548c\u6279\u53d1\u4e1a\u52a1\u3002<\/span><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

    QinQ\u662f\u4e2a\u5565\uff1f QinQ \u662f 802.1Q in 802.1Q \u7684\u7b80\u79f0\uff0c\u662f\u57fa\u4e8e IEEE 802.1Q \u6280\u672f […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8,2],"tags":[],"class_list":["post-9910","post","type-post","status-publish","format-standard","hentry","category-cisco","category-network"],"_links":{"self":[{"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts\/9910","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=9910"}],"version-history":[{"count":1,"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts\/9910\/revisions"}],"predecessor-version":[{"id":9971,"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts\/9910\/revisions\/9971"}],"wp:attachment":[{"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9910"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=9910"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=9910"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}