{"id":760,"date":"2011-03-05T11:07:00","date_gmt":"2011-03-05T03:07:00","guid":{"rendered":"http:\/\/note.systw.net\/note\/?p=760"},"modified":"2023-11-06T20:55:44","modified_gmt":"2023-11-06T12:55:44","slug":"802-11-ap","status":"publish","type":"post","link":"https:\/\/systw.net\/note\/archives\/760","title":{"rendered":"802.11 AP"},"content":{"rendered":"\n

AP(Access Point,\u64f7\u53d6\u9ede) <\/strong>
\u6216\u7a31\u7121\u7dda\u57fa\u5730\u53f0,\u53ef\u7522\u751fSSID\u9023\u7d50BSS\u548cDS\u7684\u8a2d\u5099,\u6709\u5de5\u4f5c\u7ad9\u529f\u80fd,\u552f\u4e00\u540c\u6642\u63d0\u4f9bSS\u548cDSS
ap\u7279\u5225\u9700\u8981\u8a2d\u5b9a\u7684\u662fssid\u548c802.11a\/b\/g,…\u7b49\u7121\u7dda\u7db2\u8def\u6a19\u6e96
\u65b0\u7684ap\u5efa\u8b70\u5148\u6539\u8b8assid\u548c\u767b\u5165\u7684\u5e33\u865f\u5bc6\u78bc
client\u82e5\u60f3\u5f9e\u76ee\u524dap\u79fb\u52d5\u5230\u53e6\u4e00\u500bap\u800c\u4e0d\u65b7\u7dda,\u5169ap\u9700\u91cd\u758a\u81f3\u5c11\u898110%\u4ee5\u4e0a\u624d\u53ef\u6f2b\u904a<\/p>\n\n\n\n

channel(\u983b\u9053)<\/strong>
\u82e5\u5169\u500b\u5404\u81ea\u7368\u7acbap\u6709\u91cd\u758a\u5efa\u8b70\u8a2d\u5b9a\u4e0d\u540c\u7684channel,\u4ee5\u514d\u8a0a\u865f\u885d\u7a81
\u82e5ap\u7528\u4f86\u505abridge,repeter,wds mode,\u5247\u8981\u8a2d\u5b9a\u76f8\u540cchannel,\u4ee5\u589e\u52a0\u8a0a\u865f
ps:802.11b\/g\u7684non-overlapping channel\u901a\u5e38\u662f\u6307channel 1,6,11<\/p>\n\n\n\n

SSID(service set id,\u670d\u52d9\u7d44\u8b58\u5225\u78bc)<\/strong>
32bit,\u660e\u78bc\u50b3\u8f38
\u53ef\u9a57\u8b49\u7db2\u8def\u8a2d\u5099\u662f\u5426\u70ba\u540c\u4e00\u500b\u7fa4\u7d44
\u82e5ap\u8207\u7db2\u5361\u5c6c\u540cSSID,\u5247ap\u5145\u8a31\u8a72\u7db2\u5361\u5b58\u53d6\u7db2\u8def<\/p>\n\n\n\n

\u7121\u7dda\u8a2d\u5099scanning\u53efassociate(\u7d50\u5408)\u4e4b\u76f8\u5bb9\u88dd\u7f6e,\u53ef\u5206\u70ba:
active\u6383\u63cf:client\u6703\u767c\u51fa\u542bSSID\u7684probe(\u63a2\u67e5)\u8981\u6c42,\u82e5\u627e\u5230\u76f8\u540cSSID\u7684AP,\u5247AP\u6703\u56de\u61c9\u4e26\u5b8c\u6210\u78ba\u8a8d\u8207\u7d50\u5408\u4e4b\u6b65\u9a5f
passive\u6383\u63cf:client\u6703\u627e\u5c0b\u7531AP\u6216ad hoc\u8a2d\u5099\u6240\u7522\u751f\u7684beacons,\u7576\u7bc0\u9ede\u6536\u5230\u542b\u6709\u8a66\u5716\u7d50\u5408\u4e4b\u7db2\u8defSSID\u4fe1\u6a19\u5247\u6703\u8a66\u8457\u7db2\u8def\u7d50\u5408<\/p>\n\n\n\n

beacon(beacon management frame,\u4fe1\u6a19\u7ba1\u7406\u8a0a\u6846)<\/strong>
\u7121\u7ddaAP\u6703\u4e0d\u65b7\u7684\u50b3\u8f38Beacon\u5c01\u5305
Beacon\u5c01\u5305\u5167\u6703\u5305\u542bSSID\u8a0a\u606f,\u652f\u63f4\u7684\u50b3\u8f38\u901f\u7387,\u6b64AP\u7684MAC\u4f4d\u5740
Beacon\u5c01\u5305\u901f\u7387\u4e00\u822c\u662f\u57286~10Beacon packets\/sec<\/p>\n\n\n\n

AP\u8207client\u4e4b\u904b\u4f5c\u00a0<\/strong>
1.probe
\u3000Client sends probe request.
\u3000AP sends probe response.
2.init
\u3000Client initiates association.
\u3000AP accepts association.
3.association
\u3000AP adds client MAC address to association table\u00a0<\/p>\n\n\n\n

……………………\u00a0<\/p>\n\n\n\n

AP\u5206\u985e <\/strong> \u6839\u64da\u529f\u80fd\u53ef\u5206\u70ba
\u5bb6\u7528ap:<\/strong>
\u512a\u9ede:\u50f9\u683c\u8f03\u4f4e
\u4f4d\u7f6e:\u9069\u5408\u8a72\u5340\u57df\u50c5\u4e00\u500bap
\u7279\u8272:\u63a1\u7528\u516c\u7248802.11\u6676\u7247
\u5546\u7528ap:<\/strong>
\u512a\u9ede:
1\u5167\u5efa\u984d\u5916\u529f\u80fd\u53ef\u652f\u63f4\u8f03\u5927\u898f\u6a21\u7684\u90e8\u7f72,\u53ef\u5efa\u69cb\u51fa\u66f4\u53ef\u9760,\u66f4\u5b89\u5168,\u6613\u7ba1\u7406\u7684\u74b0\u5883
2\u5728\u591aap\u74b0\u5883\u4e0b\u6f2b\u904a\u54c1\u8cea\u8f03\u597d
3\u7b26\u5408\u9632\u706b\u7b49\u7d1a,\u53ef\u5b89\u88dd\u5728\u4efb\u4f55\u5730\u65b9
4\u7121\u7dda\u4ecb\u9762\u53ef\u63a7\u5236\u50b3\u8f38\u6a23\u5f0f\u6216\u50b3\u8f38\u529f\u7387\u4ee5\u8abf\u6574\u8986\u84cb\u7bc4\u570d,\u6216\u652f\u63f4\u591a\u7d44\u865b\u64ec\u7db2\u8def\u53caSSID
5\u652f\u63f4\u5b8c\u6574SNMP,VLAN
\u4f4d\u7f6e:\u9069\u5408\u8a72\u5340\u57df\u6709\u591a\u500bap
\u7279\u8272:\u7db2\u7ba1\u529f\u80fd\u8f03\u8907\u96dc,\u53ef\u8a2d\u5b9a\u7684\u7bc4\u570d\u8f03\u5ee3
\u7f3a\u9ede:\u8f03\u8cb4<\/p>\n\n\n\n

\u6839\u64da\u67b6\u69cb\u53ef\u5206\u70ba
\u7b2c\u4e00\u4ee3AP,FAT AP<\/strong>
\u67b6\u69cb:\u591a\u500b\u5b8c\u6574\u529f\u80fd\u7684\u7368\u7acbap
\u7f3a\u9ede:ap\u57f7\u884c\u591a\u529f\u80fd\u8ca0\u64d4\u5927,\u6548\u7387\u6050\u53d7\u5f71\u97ff
ps:\u4e5f\u88ab\u7a31\u70baautonomous mode AP
\u7b2c\u4e8c\u4ee3AP,THIN AP<\/strong>
\u67b6\u69cb:controller(\u5b8c\u6574\u529f\u80fd\u7684\u63a7\u5236\u4e2d\u5fc3)+\u591a\u500bthin ap(\u7cbe\u7c21\u5f0fap)
ps:thin ap\u4e5f\u88ab\u7a31\u70balightweight ap
ps:controller\u4e5f\u88ab\u7a31\u70baWLC(wireless lan controller)
ps:\u6b64\u67b6\u69cb\u4e5f\u88ab\u7a31\u70basplit-mac\u67b6\u69cb 
\u512a\u9ede:
ap\u5927\u90e8\u4efd\u529f\u80fd\u79fb\u5230controller,\u7531\u6548\u80fd\u8f03\u597d\u7684controller\u8ca0\u8cac
thin ap\u53ea\u8ca0\u8caclayer1,2\u904b\u4f5c,\u800ccontroller\u8ca0\u8cac\u7ba1\u7406\u90e8\u4efd
\u6240\u4ee5
1.thin ap\u50c5\u57f7\u884c\u55ae\u4e00\u529f\u80fd,\u6548\u7387\u8f03\u4f73
2.thin ap\u96f6\u4ef6\u8f03\u5c11,\u56e0\u6b64ap\u4f7f\u7528\u5e74\u9650\u66f4\u9577
3.\u6240\u6709\u7d44\u614b\u53ea\u9700\u5728controller\u8a2d\u5b9a\u5373\u53ef,\u7ba1\u7406\u66f4\u65b9\u4fbf
\u7f3a\u9ede:thin ap+controller\u50f9\u683c\u8f03\u8cb4<\/p>\n\n\n\n

……………<\/p>\n\n\n\n

\u5929\u7dda <\/strong><\/p>\n\n\n\n

\u5929\u7dda\u7684\u898f\u683c<\/strong>
\u4e3b\u8981\u6709
1. directionality(\u65b9\u5411)<\/strong>,\u5e38\u898b\u5982\u4e0b
\u3000omnidirectional(\u5168\u5411\u578b):\u9069\u5408\u5927\u7bc4\u570d\u4f7f\u7528
\u3000bidirectional(\u96d9\u5411\u578b):\u9069\u5408\u653e\u5728\u8d70\u9053
\u3000unidirectional(\u6307\u5411\u578b):\u9069\u5408\u7528\u5728\u9ede\u5c0d\u9ede\u93c8\u8def\u4e0a
2. gain(\u589e\u76ca)<\/strong>
\u5929\u7dda\u6cbf\u6307\u5b9a\u65b9\u5411\u63d0\u5347\u8a0a\u865f\u7684\u7a0b\u5ea6,\u91cf\u6e2c\u55ae\u4f4d\u70badbi
\u4e00\u822c\u5929\u7ddadbi\u70ba3-7\u4e4b\u9593,\u6307\u5411\u578b\u5929\u7ddadbi\u53ef\u80fd\u9ad8\u905424dbi
ps:dbi\u4ee3\u8868\u76f8\u5c0d\u65bc\u7b49\u5411\u6027\u5e45\u5c04\u9ad4\u7684\u5206\u8c9d\u6578,\u4f46\u9019\u53ea\u662f\u7406\u8ad6\u4e0a\u7684\u5047\u8a2d
3. polarization(\u6975\u5316\/\u534a\u529f\u7387\u6ce2\u675f\u5bec)<\/strong>
\u5929\u7dda\u5e45\u5c04\u578b\u614b\u7684\u5bec\u5ea6,\u4e00\u4f46\u96e2\u958b\u6b64\u5340\u57df\u8a0a\u865f\u5373\u8a0a\u901f\u8870\u6e1b
\u4e00\u822c\u5168\u5411\u6027\u5929\u7dda\u53ea\u6709\u6c34\u5e73\u9762\u6709\u8a0a\u865f,\u4e0a\u4e0b\u65b9\u8a0a\u865f\u6703\u7acb\u523b\u6e1b\u5f31
\u4e00\u822c\u6307\u5411\u6027\u5929\u7dda\u53ea\u6709\u8a72\u65b9\u5411\u6709\u8a0a\u865f,\u4e00\u4f46\u96e2\u958b\u8a72\u65b9\u5411\u8a0a\u865f\u6703\u7acb\u523b\u6e1b\u5f31<\/p>\n\n\n\n

\u5929\u7dda\u985e\u578b<\/strong>
\u5e38\u898b\u7a2e\u985e\u5982\u4e0b
1\u5782\u76f4\u5929\u7dda,\u5c6c\u65bc\u5168\u5411\u578b\u5929\u7dda,\u589e\u76ca\u5927\u7d043-7dbi,\u534a\u529f\u7387\u6ce2\u675f\u5bec\u50c5\u5305\u542b\u6c34\u5e73\u7bc4\u570d
2\u5076\u6975\u5929\u7dda,\u5c6c\u65bc\u96d9\u5411\u578b\u5929\u7dda,\u589e\u76ca\u5927\u7d043-7dbi,\u534a\u529f\u7387\u6ce2\u675f\u5bec\u5305\u542b\u66f4\u5927\u7684\u6c34\u5e73\u7bc4\u570d
3\u789f\u578b\u5929\u7dda,\u5c6c\u65bc\u6307\u5411\u578b\u5929\u7dda,\u589e\u76ca\u53ef\u905424dbi,\u534a\u529f\u7387\u6ce2\u675f\u5bec\u50c5\u53ea\u6709\u8a72\u5929\u7dda\u6240\u6307\u4e4b\u7bc4\u570d<\/p>\n\n\n\n


\u5929\u7dda\u8207ap\u4e4b\u9023\u63a5<\/strong>
\u76f4\u63a5\u76f8\u9023(\u5efa\u8b70):\u8a0a\u865f\u5f9e\u5929\u7dda\u81f3ap\u7121\u79cf\u640d
\u900f\u904e\u7e9c\u7dda:\u4f9d\u4e0d\u540c\u7dda\u6750\u53ca\u9577\u5ea6\u6703\u6709\u4e0d\u540c\u8017\u640d,\u5e38\u898b\u7dda\u6750\u5982\u4e0b
0.1\u7d30\u7dda:\u50c5\u9069\u5408\u6975\u77ed\u8ddd\u96e2,\u5728\u9577\u5c31\u6703\u6d88\u79cf\u6389\u6240\u6709\u8a0a\u865f
RG58:2.4g\u4e0a\u6bcf100\u82f1\u544e\u670935db\u8017\u640d
LRM200~400:2.4g\u4e0a\u6bcf100\u82f1\u544e\u67096.8db\u79cf\u640d<\/p>\n\n\n\n

………… <\/p>\n\n\n\n

\u63d0\u9ad8\u8a0a\u865f\u7684\u6280\u8853<\/strong><\/p>\n\n\n\n

\u50c5\u7528\u55ae\u4e00AP\u7684\u65b9\u6cd5\u6709 <\/strong>
1.Antenna Diversity(\u5929\u7dda\u5206\u96c6)<\/strong>
\u4f7f\u7528\u591a\u7d44\u5929\u7dda,\u4e26\u81ea\u52d5\u4f7f\u7528\u63a5\u6536\u8a0a\u865f\u8f03\u4f73\u4e4b\u5929\u7dda
\u53ef\u6539\u5584Multipath Fading(\u591a\u91cd\u8def\u5f91\u8870\u843d)\/multipath interference,\u4e5f\u5c31\u662f\u6298\u5c04\u8a0a\u865f\u8207\u4e3b\u8981\u8a0a\u865f\u540c\u6642\u88ab\u63a5\u53d7\u9020\u6210\u5e72\u64fe
\u7531\u65bc\u8a0a\u865f\u4ee5\u591a\u91cd\u8def\u5f91\u50b3\u9001,\u6240\u4ee5\u8a0a\u865f\u904e\u4f86\u6642\u6703\u6709\u591a\u500b\u8def\u5f91,\u6bcf\u500b\u5929\u7dda\u6703\u5728\u4e0d\u540c\u6642\u9593\u9ede\u6536\u5230\u4e0d\u540c\u5f37\u5ea6\u4e4b\u8a0a\u865f,\u53ea\u8981\u9078\u64c7\u8a0a\u865f\u6700\u4f73\u4e4b\u5929\u7dda\u63a5\u6536\u5373\u53ef,\u4f46\u540c\u4e00\u6642\u9593\u53ea\u6709\u4e00\u500b\u5929\u7dda\u80fd\u8655\u7406\u8a0a\u865f
2.MIMO(Multiple-input multiple-output,\u591a\u8f38\u5165\u591a\u8f38\u51fa)<\/strong>
\u63a1\u7528\u5929\u7dda\u9663\u5217,\u5229\u7528\u7a7a\u9593\u591a\u5de5\u6280\u8853\u4f86\u63d0\u9ad8\u6240\u4f7f\u7528\u983b\u5bec\u7684\u6548\u7387
\u4e00\u822c\u63a13×3\u7684\u5929\u7dda\u9663\u5217,\u652f\u63f42\u500b\u7a7a\u9593\u7684\u4e32\u6d41,\u53ef\u5c07\u50b3\u8f38\u6548\u7387\u63d0\u9ad82\u500d
ps:
\u5176\u4ed6\u6280\u8853\u9084\u6709
multiplexing(\u591a\u5de5\u7cfb\u6578),\u53ef\u63d0\u9ad8\u50b3\u8f38\u91cf,\u4e00\u822c\u5df1\u5167\u5efa<\/p>\n\n\n\n

\u5229\u7528\u591a\u53f0AP\u7684\u65b9\u6cd5\u6709\u3000<\/strong>
1.repeater(\u653e\u5927\u5668)<\/strong>
\u5c07\u53e6\u4e00\u53f0ap\u8a0a\u865f\u529f\u7387\u5728\u653e\u5927,\u5354\u52a9\u8a0a\u865f\u50b3\u9001\u66f4\u9060,\u6db5\u84cb\u66f4\u5927\u7684\u7bc4\u570d
\u4ee5\u985e\u4f3chub\u65b9\u5f0f\u904b\u4f5c
\u5169ap\u9700\u4f7f\u7528\u76f8\u540cssid
\u5efa\u8b70overlap50% 
\u7f3a\u9ede\u662fthroughput\u6703\u5c11\u4e00\u534a,\u56e0\u70ba\u5728\u76f8\u540c\u7684channel\u8981\u63a5\u6536\u53ca\u91cd\u50b3\u6bcf\u500b\u8cc7\u6599 
2.WDS(wireless distribute system)\/wireless bridge(\u7121\u7dda\u6a4b\u63a5)
<\/strong>\u55ae\u4e00ap\u8207\u55ae\u4e00ap\u9593\u6a4b\u63a5,\u53ef\u5c07\u8a0a\u865f\u7bc4\u570d\u5ef6\u4f38
\u4ee5\u985e\u4f3cswitch\u65b9\u5f0f\u904b\u4f5c 
\u5169ap\u9700\u4f7f\u7528\u76f8\u540cssid
3.wi-fi mesh(802.11s)<\/strong>
\u55ae\u4e00ap\u8207\u55ae\u4e00ap\u9593\u4ee5\u985e\u4f3c\u4f7f\u7528mac\u8def\u7531\u65b9\u5f0f\u904b\u4f5c,\u53ef\u5c07\u8a0a\u865f\u7bc4\u570d\u5ef6\u4f38  
RAP:\u9023\u63a5MESH\u548c\u6709\u7ddaSWITCH\u7684ap
MAP:\u53ea\u9023\u63a5MESH\u7684AP
AWP(Adaptive wireless Path):MAP\u5230RAP\u6700\u4f73\u8def\u5f91<\/p>\n\n\n\n

……………………………………………………<\/p>\n\n\n\n

\u7121\u7dda\u7db2\u8def\u7684\u901f\u5ea6<\/strong>
\u5be6\u969b\u901f\u5ea6\u62535\u6298
\u7121\u7dda\u50b3\u8f38\u7387\u6263\u6389\u8a0a\u865f\u63a7\u5236\u7b49\u50b3\u8f38,\u5be6\u969b\u50b3\u8f38\u8cc7\u6599\u5927\u7d04\u50c550%-60%
ex:802.11a\u6700\u5927\u70ba54Mbps,\u6700\u5927\u5be6\u969b\u50b3\u8f38\u7d04\u70ba30Mbps<\/p>\n\n\n\n

\u5f71\u97ff\u7121\u7dda\u7db2\u8def\u7684\u901f\u5ea6\u6709\u4ee5\u4e0b(\u7121\u969c\u7919\u7269\u60c5\u6cc1\u4e0b)\u3000
1
\u53d6\u6c7a\u65bcclient\u7aef\u8207ap\u7aef\u4e4b\u8ddd\u96e2,\u8ddd\u96e2\u8d8a\u9060\u8a0a\u865f\u8d8a\u5f31,\u901f\u5ea6\u5c31\u8d8a\u6162<\/strong>
\u96e2ap\u6700\u9060\u53ea\u80fd\u4f7f\u7528\u4f4e\u901f\u5ea6,\u96e2ap\u6700\u8fd1\u53ef\u4f7f\u7528\u9ad8\u901f\u5ea6
\u4f4e\u901f\u50b3\u8f38\u6703\u5f71\u97ffAP\u8655\u7406\u901f\u5ea6<\/strong>
\u7576USER\u7528\u8f03\u9ad8\u901f\u5ea6\u8207AP\u901a\u8a0a\u6642,AP\u50c5\u9700\u77ed\u6642\u9593\u8655\u7406,\u5373\u53ef\u7e7c\u7e8c\u8655\u7406\u4e0b\u4e00\u500b\u8acb\u6c42
\u4f46USER\u7528\u8f03\u4f4e\u901f\u5ea6\u8207AP\u901a\u8a0a\u6642,AP\u9700\u4f54\u7528\u8f03\u9577\u6642\u9593\u8655\u7406,\u624d\u53ef\u8655\u7406\u5176\u4e0b\u4e00\u500b\u8acb\u6c42
\u800c\u90e8\u4efd\u7db2\u5361\u7b2c\u4e00\u6b21\u8207AP\u9023\u63a5\u6642,\u4fbf\u4e0d\u6703\u5728\u4e4b\u5f8c\u8ddd\u96e2\u62c9\u9060\u5f8c\u81ea\u52d5\u63db\u5176\u4ed6AP,\u5c0e\u81f4\u8ddd\u96e2\u8d8a\u9060\u8a0a\u865f\u8d8a\u5f31\u50b3\u8f38\u8d8a\u6162,\u4f54\u7528AP\u8655\u7406\u6642\u9593
\u89e3\u6c7a\u65b9\u6848
\u30001.\u7db2\u5361\u652f\u63f4802.11k,\u53ef\u6539\u5584\u6f2b\u904a
\u30002.AP\u63d0\u4f9b\u8ca0\u8f09\u5e73\u8861,\u5c07\u8ddd\u96e2\u904e\u9060USER\u79fb\u81f3\u9069\u7576\u7684AP
2
\u540c\u4e00\u8986\u84cb\u7bc4\u570d\u4e0b\u4e4buser\u6578\u91cf\u6c7a\u5b9a\u8a72\u8986\u84cb\u7bc4\u570d\u4e4b\u50b3\u8f38\u54c1\u8cea<\/strong>
\u7121\u7dda\u5c6c\u5171\u4eab\u5a92\u4ecb,\u7576client\u8d8a\u591a,\u901f\u5ea6\u6703\u8d8a\u6162,\u53e6\u5916\u55ae\u4e00client\u4e5f\u6709\u8fa6\u6cd5\u6d88\u8017\u6240\u6709\u983b\u5bec
\u4f9d\u64da802.11\u9650\u5236,AP\u670d\u52d9\u7528\u6236\u6578\u6700\u591a\u4e0d\u53ef\u8d85\u904e2016\u500bUSER
\u5be6\u969b\u60c5\u6cc1\u4e0b\u4ee5802.11b\u70ba\u4f8b
\u82e5user\u53ef\u80fd\u6703\u5076\u723e\u9592\u7f6e,\u81f3\u591a\u53ea\u80fd\u7d6620-30\u4f4duser\u4f7f\u7528
\u82e5user\u6703\u6301\u7e8c\u50b3\u8f38\u6216\u4f7f\u7528\u5c0d\u7db2\u8def\u8f03\u654f\u611f\u7684\u670d\u52d9,\u50cf\u662f\u5f71\u97f3,\u81f3\u591a\u53ea\u80fd\u7d668-10\u4f4duser\u4f7f\u7528
3
\u662f\u5426\u907f\u958b\u5171\u7528\u983b\u9053<\/strong>
\u82e5\u5169\u90e8\u9ad8\u50b3\u8f38\u529f\u7387ap\u4f7f\u7528\u76f8\u540c\u983b\u9053,\u50b3\u8f38\u6642\u6703\u56b4\u91cd\u5f71\u97ff\u6548\u80fd
ps:2.4ghz\u7121\u7dda\u7db2\u8def\uff0c\u6703\u88ab\u5fae\u6ce2\u7210\u6216\u85cd\u82bd\u7b49\u5176\u4ed6\u4f7f\u75282.4ghz\u7684\u8a2d\u5099\u5e72\u64fe
<\/p>\n\n\n\n

ps:
\u8a55\u4f30\u50b3\u8f38\u6548\u80fd\u7684\u6307\u6a19<\/strong>
free-space loss(\u958b\u653e\u7a7a\u9593\u8017\u640d\u7387)\/path loss(\u8def\u5f91\u640d\u8017)
\u5728\u6c92\u6709\u969c\u7919\u7269\u60c5\u6cc1\u4e0b,\u8a0a\u865f\u5728\u7a7a\u9593\u4e2d\u50b3\u8f38\u6642\u7684\u8017\u640d,\u7528\u4f86\u63cf\u8ff0\u8ddd\u96e2\u8207\u8a0a\u865f\u5f37\u5ea6\u7684\u8870\u6e1b
\u6b64\u503c\u70ba\u7406\u60f3\u503c,\u56e0\u771f\u5be6\u60c5\u6cc1\u4e0b\u6703\u6709\u591a\u969c\u7919\u7269,\u50cf\u662f\u9580\u7a97\u6216\u7246\u58c1\u7b49
\u8a0a\u865f\u983b\u7387\u8d8a\u9ad8,\u6216\u6db5\u84cb\u8ddd\u96e2\u8d8a\u9060,\u8870\u6e1b\u8d8a\u56b4\u91cd<\/p>\n\n\n\n

………………………………………………………………………………………………………..<\/p>\n\n\n\n

AP\u4f48\u7f72 <\/strong><\/p>\n\n\n\n

\u4f48\u7f72\u7121\u7dda\u7db2\u8def\u4e09\u500b\u4e3b\u8981\u7684\u554f\u984c
\u90e8\u7f72\u5728\u90a3?<\/strong>\u6db5\u84cb\u6574\u500b\u5730\u5340\u7684\u7d44\u5408
\u901f\u5ea6\u591a\u5feb?<\/strong>\u6c7a\u5b9a\u7528\u6236\u7aef\u8207AP\u7684\u8ddd\u96e2
\u7d93\u8cbb?<\/strong>\u8cc7\u6e90\u6709\u9650\u7684\u60c5\u6cc1\u4e0b<\/p>\n\n\n\n

\u5be6\u5730\u63a2\u52d8
\u5efa\u7f6e\u7121\u7dda\u7db2\u8def\u7684\u6838\u5fc3\u5de5\u4f5c
\u5be6\u5730\u63a2\u52d8\u6642\u53ef\u601d\u8003\u7684\u9805\u76ee\u5982\u4e0b
1.\u5be6\u9ad4\u7684\u8003\u91cf<\/strong>
ap\u63a5\u5165\u7db2\u8def\u65b9\u5f0f:\u662f\u5426\u8981\u5728\u62c9\u7db2\u8def\u7dda\u6216\u96fb\u6e90\u7dda,\u4f7f\u7528poe\u6216\u7528power injector(\u704c\u96fb\u5668)
ap\u5be6\u9ad4\u8a2d\u5099\u96b1\u5bc6\u6027:\u662f\u5426\u8981\u56e0\u7f8e\u89c0\u6216\u5be6\u9ad4\u5b89\u5168\u8003\u91cf\u96b1\u6027AP
\u5e72\u64fe\u74b0\u5883:\u5340\u57df\u7684\u5e72\u64fe\u4f86\u6e90,\u5305\u62ec\u5efa\u7bc9\u7d50\u69cb,\u6eab\u6fd5\u5ea6,…\u7b49
2.\u901f\u5ea6\u8207\u7bc4\u570d\u7684\u8003\u91cf<\/strong>
\u50b3\u8f38\u91cf:\u4f7f\u752854M\u5247\u8981\u7528802.11a,g,11M\u5247\u7528802.11b,\u6216\u5176\u4ed6\u898f\u683c
\u50b3\u8f38\u7279\u6027:\u63d0\u4f9b\u5b58\u53d6\u670d\u52d9(\u770b\u7db2\u9801)\u6216\u7279\u5b9a\u50b3\u8f38\u7387(\u5f71\u97f3)
\u8986\u84cb\u7bc4\u570d:\u5b8c\u5168\u8986\u84cb\u9084\u662f\u91cd\u9ede\u5340\u57df\u8986\u84cb?
\u7528\u6236\u5bc6\u5ea6:\u8a72\u5340\u57df\u6703\u6709\u5e7e\u500b\u4eba\u4f7f\u7528
3.\u7db2\u8def\u67b6\u69cb\u7684\u8003\u91cf<\/strong>
AP\u62d3\u6a38:\u6839\u64da\u74b0\u5883\u9078\u64c7\u8207\u9700\u6c42\u9069\u5408AP\u62d3\u6a38
\u5b89\u5168\u6027:\u4f7f\u7528\u90a3\u7a2e\u65b9\u5f0f\u4fdd\u8b77\u7121\u7dda\u7db2\u8def\u7684user
\u884c\u52d5\u6027:\u662f\u5426\u53ef\u5728ap\u9593\u6f2b\u904a<\/p>\n\n\n\n

AP\u4f48\u7f72\u4f4d\u7f6e<\/strong>
\u639b\u8d8a\u9ad8\u8d8a\u597d,\u8f03\u53ef\u8de8\u8d8a\u969c\u7919\u7269
ps:\u82e5\u5728\u5929\u82b1\u677f\u5167\u9700\u6ce8\u610fap\u672c\u8eab\u53ca\u5176\u9644\u5c6c\u8a2d\u5099\u9700\u7b26\u5408\u9632\u706b\u7b49\u7d1a
\u5ba4\u5167AP<\/strong>
\u5340\u57df\u5167\u963b\u9694\u7269\u8d8a\u591a,\u5247\u8a72\u5340\u57df\u9700\u8981\u4f48\u7f72AP\u8d8a\u591a
\u963b\u9694\u7269\u4f9d\u6700\u5927\u5f71\u97ff\u5206\u5225\u662f
\u91d1\u5c6c\u6216\u9632\u706b\u7246:\u5305\u62ec\u96fb\u68af,\u7a7a\u8abf\u98a8\u7ba1,\u91d1\u5c6c\u96fb\u934d\u5929\u82b1\u677f,\u9472\u5165\u5927\u91cf\u91d1\u5c6c\u4e4b\u5730\u677f,\u7d50\u69cb\u7246
\u6709\u8272\u5857\u8986\u7a97\u6236
\u78da\u584a\u8207\u6df7\u51dd\u571f
\u6728\u6750\u8207\u4e00\u822c\u73bb\u7483
\u6236\u5916AP<\/strong>
\u50c5\u4f7f\u7528\u5916\u63a5\u5929\u7dda\u5ef6\u4f38\u81f3\u6236\u5916\u6642,\u7dda\u6750\u9700\u7528\u8010\u5019\u7b49\u7d1a\u4ee5\u907f\u514d\u56b4\u91cd\u640d\u8017
\u82e5\u662fAP\u67b6\u8a2d\u65bc\u6236\u5916,\u9700\u81f3\u5c11\u5177\u5099\u9632\u6c34\u9632\u7802\u53ca\u8010\u5019\u80fd\u529b
ps:
\u53ef\u7701\u7565\u7684\u5730\u65b9:\u5ec1\u6240\u6216\u9003\u751f\u8def\u7dda\u7b49\u8f03\u7121\u7528\u6236\u7684\u5730\u65b9<\/p>\n\n\n\n


\u4f48\u7f72\u7b56\u7565
1.\u9ad8\u5bc6\u5ea6\u4f4e\u529f\u7387AP<\/strong>
\u4f48\u7f72\u591aAP,\u6bcf\u500bAP\u670d\u52d9\u4e00\u500b\u5c0f\u7bc4\u570d,\u54c1\u8cea\u597d
\u53ef\u8f15\u6613\u5075\u6e2c\u5230\u79c1\u8a2dAP,\u4e5f\u53ef\u7cbe\u78ba\u5b9a\u4f4d
\u4f7f\u7528\u6642\u6a5f:\u8a72\u5340\u57df\u7528\u6236\u6578\u8f03\u591a
ps:
\u88ab\u7e2e\u5c0f\u529f\u7387\u7684cell(\u7bc4\u570d)\u4e5f\u88ab\u7a31\u70bamicrocell
\u88ab\u7e2e\u5230\u6700\u5c0f\u529f\u7387\u7684cell(\u7bc4\u570d)\u4e5f\u88ab\u7a31\u70bapicocell 
2.\u4f4e\u5bc6\u5ea6\u9ad8\u529f\u7387AP<\/strong>
\u4f7f\u7528\u9ad8\u6548\u76ca\u5929\u7dda\u53ef\u63d0\u9ad8\u8986\u84cb\u7bc4\u570d,\u6e1b\u5c11\u57fa\u5730\u53f0\u6578\u91cf
\u4f7f\u7528\u6642\u6a5f:\u7528\u6236\u5bc6\u5ea6\u4f4e\u6642\u53ef\u4f7f\u7528
\u4f46\u9700\u6ce8\u610f\u4ee5\u4e0b\u5169\u9ede
1\u8868\u793a\u983b\u5bec\u53ef\u80fd\u6703\u88ab\u66f4\u591auser\u5171\u4eab,\u4eba\u6578\u4e00\u4f46\u589e\u52a0\u6703\u5f71\u56ae\u54c1\u8cea
2\u908a\u7de3\u7528\u6236\u7684\u8a0a\u865f\u529f\u7387\u82e5\u4e0d\u5920\u5f37\u53ef\u80fd\u7121\u6cd5\u50b3\u56deAP<\/p>\n\n\n\n

……………………….<\/p>\n\n\n\n

\u50b3\u8f38\u6280\u8853\u7684\u9078\u64c7<\/strong><\/p>\n\n\n\n

802.11b\/g\/n<\/strong>
\u512a\u9ede:
\u8f03\u4e0d\u53d7\u5230\u969c\u7919\u7269\u5f71\u97ff
\u50b3\u8f38\u8ddd\u96e2\u8f03\u9060
\u7f3a\u9ede:
\u6703\u53d7\u5230\u56de\u5851\u76f8\u5bb9\u6027\u9650\u5236
\u4f7f\u75282.4g\u8a2d\u5099\u5f88\u591a,\u4e14\u983b\u9053\u6709\u9650,\u5bb9\u6613\u53d7\u5230\u5f88\u591a\u88dd\u7f6e\u5e72\u64fe<\/p>\n\n\n\n

802.11a\/n<\/strong>
\u9069\u5408\u9ad8\u5bc6\u5ea6\u7db2\u8def
\u512a\u9ede:
\u8f03\u4e0d\u53d72.4g\u8a2d\u5099\u5e72\u64fe,\u4e14\u983b\u9053\u8f03\u591a
\u50b3\u8f38\u7387\u9ad8
\u4e0d\u53d7\u56de\u5851\u76f8\u5bb9\u6027\u9650\u5236
\u7f3a\u9ede:
\u50b3\u8f38\u8ddd\u96e2\u77ed,\u5927\u7d04\u662fb\/g\u7684\u4e00\u534a
\u652f\u64fe\u7db2\u5361\u5c11<\/p>\n\n\n\n

\u983b\u9053\u8a2d\u5b9a<\/strong>
\u9700\u907f\u514d\u91cd\u758a,\u76f8\u9130AP\u4e4b\u9593\u983b\u9053\u8981\u5206\u958b
\u7531\u65bc\u5340\u57df\u5167\u5e38\u6703\u6709\u79c1\u4eba\u983b\u9053\u51fa\u73fe,\u5efa\u8b70AP\u4f7f\u7528\u81ea\u52d5\u8abf\u6574\u983b\u9053\u907f\u958b\u79c1\u4eba\u983b\u9053
\u4e3b\u8981\u5206\u4ee5\u4e0b\u5169\u7a2e
2.4ghz<\/strong>
\u6bcf\u500b\u983b\u9053\u53ea\u67095mhz\u5bec,\u6700\u591a14\u500b\u983b\u9053
\u7406\u60f3\u60c5\u6cc1\u4e0b,\u4f7f\u75282\u500b\u983b\u9053,\u983b\u9053\u9593\u969433mhz,\u8a0a\u865f\u5c31\u4e0d\u6703\u91cd\u758a
\u4e00\u822c\u4f7f\u75283\u500b\u983b\u9053,\u983b\u9053\u9593\u969425mhz,\u4e5f\u5c31\u662f\u53ea\u75281,6,11\u983b\u5bec,\u50c5\u91cd\u758a\u4e00\u9ede\u9ede
\u6216\u8005\u4f7f\u75284\u500b\u983b\u9053,\u4e5f\u5c31\u662f\u75281,4,8,11,\u4f46\u8a0a\u865f\u91cd\u758a\u90e8\u4efd\u8f03\u591a
ps:\u7f8e\u898f\u53ef\u7528\u983b\u9053\u70ba1-11,\u6b50\u898f\u53ef\u7528\u983b\u9053\u70ba1-13
5ghz<\/strong>
\u6bcf\u500b\u983b\u9053\u8f03\u5bec
\u4e00\u822c\u4f7f\u75288-12\u500b\u983b\u9053<\/p>\n\n\n\n

………………………………………. <\/p>\n\n\n\n

\u7121\u7dda\u62d3\u6a38<\/strong><\/p>\n\n\n\n

\u55ae\u4e00\u5b50\u7db2\u8def\u67b6\u69cb<\/strong>
\u9650\u5236:\u5728vlan\u4e4b\u6838\u5fc3\u7db2\u8def
\u652f\u63f4\u6f2b\u904a\u529f\u80fd,\u5c6c\u7b2c2\u5c64\u6f2b\u904a
\u6240\u6709\u7528\u6236\u7686\u5728\u540c\u4e00\u500b\u5b50\u7db2\u8def\u4e0b,\u4e26\u4f7f\u7528\u76f8\u540cssid <\/p>\n\n\n\n

\u52d5\u614bVLAN\u67b6\u69cb<\/strong>
\u9650\u5236:\u5728vlan\u4e4b\u6838\u5fc3\u7db2\u8def,AP\u9700\u652f\u63f4802.1x
\u652f\u63f4\u6f2b\u904a\u529f\u80fd,\u5c6c\u7b2c3\u5c64\u6f2b\u904a
\u6240\u6709\u7528\u6236\u5728\u4e0d\u540cVLAN\u4e0b,\u900f\u904e802.1x\u5206\u914d\u90a3\u500b\u7528\u6236\u5c6c\u65bc\u90a3\u500bVLAN<\/p>\n\n\n\n

\u865b\u64ec\u6a5f\u5730\u53f0\u67b6\u69cb<\/strong>
\u9650\u5236:\u5728vlan\u4e4b\u6838\u5fc3\u7db2\u8def,AP\u9700\u652f\u63f4\u865b\u64ec\u57fa\u5730\u53f0\u529f\u80fd
\u652f\u63f4\u6f2b\u904a\u529f\u80fd
\u6240\u6709\u7528\u6236\u5728\u4e0d\u540cSSID\u4e0b,\u4e0d\u540cSSID\u4e4b\u7db2\u8def\u5404\u6709\u865b\u64ec\u57fa\u5730\u53f0\u8ca0\u8cac\u4e0d\u540c\u7684\u5b89\u5168\u5b58\u53d6\u653f\u7b56<\/p>\n\n\n\n

\u5b64\u5cf6\u67b6\u69cb<\/strong>
\u6240\u6709\u7528\u6236\u5728\u9700\u8def\u7531\u7684\u7db2\u6bb5\u4e2d
\u9069\u5408\u7db2\u8def\u7531\u8a31\u591a\u8def\u7531\u4e32\u63a5\u4e4b\u67b6\u69cb
\u7121\u6f2b\u904a\u529f\u80fd,\u9700\u53e6\u5916\u4f7f\u7528\u901a\u9053\u65b9\u5f0f\u624d\u53ef,\u4f46\u6d41\u91cf\u6703\u8b8a\u5927<\/p>\n\n\n\n

…………………………………………………………………………<\/p>\n\n\n\n

AP\u53c3\u6578<\/strong>
ps:\u53c3\u6578\u8abf\u6574\u7121\u6cd5\u5927\u5e45\u63d0\u6607\u6548\u80fd<\/p>\n\n\n\n

\u8207\u96fb\u6ce2\u76f8\u95dc\u7684\u53c3\u6578
1.beacon interval(\u4fe1\u6a19\u9593\u9694)<\/strong>
beacon\u7528\u9014\u5982\u4e0b:
1\u5b9a\u7fa9BSS\u8986\u84cb\u7bc4\u570d
2\u5224\u65b7\u76ee\u524d\u670d\u52d9\u7bc4\u570d\u6709\u90a3\u4e9bESS
3\u5229\u7528\u6536\u5230\u7684\u8a0a\u865f\u4f86\u76e3\u8996\u8a0a\u865f\u54c1\u8cea
\u53c3\u6578\u7684\u5f71\u97ff\u5982\u4e0b:
\u9593\u9694\u77ed,\u767c\u9001\u983b\u7387\u8d8a\u9ad8,\u53ef\u63d0\u6607\u6f2b\u904a\u6548\u7387,\u56e0\u70bauser\u53ef\u4ee5\u5feb\u901f\u66f4\u65b0ap\u4f4d\u7f6e
\u9593\u9694\u9577,\u767c\u9001\u983b\u7387\u8d8a\u77ed,\u53ef\u9593\u63a5\u5e6b\u9023\u7dda\u7bc0\u9ede\u7701\u96fb,\u4e5f\u53ef\u7701\u4e0b\u4e00\u9ede\u983b\u5bec
ps:\u82e5\u6709\u591a\u500b\u865b\u64ec\u57fa\u5730\u53f0,\u5247\u53ef\u80fd\u6703\u6709\u591a\u500bbeacon interval
2.RTS threshold<\/strong>
\u4f9d802.11\u898f\u5b9a,\u61c9\u8a2d\u70ba2347
\u5927\u65bcRTS threshold\u7684\u8a0a\u6846,\u5fc5\u9808\u7d93\u904eRTS\/CTS\u6de8\u7a7a\u7a0b\u5e8f,\u624d\u53ef\u4ee5\u50b3\u9001
\u8abf\u4f4e\u9580\u6abb:\u53ef\u6539\u5584\u91cd\u50b3\u8a0a\u6846\u6bd4\u4f8b\u504f\u9ad8\u554f\u984c,\u4ee5\u53ca\u96b1\u85cf\u7bc0\u9ede\u5e72\u64fe\u554f\u984c
\u8abf\u9ad8\u9580\u6abb:\u5728\u7121\u5e72\u64fe\u60c5\u6cc1\u4e0b\u53ef\u9054\u5230\u6700\u9ad8\u50b3\u8f38\u91cf
3.fragmentation threshold(\u5207\u5272\u9580\u6abb\u503c)<\/strong>
\u591a\u5927\u7684\u8a0a\u6846\u8981\u88ab\u5207\u5272\u6210\u8f03\u5c0f\u55ae\u4f4d,\u5728\u52a0\u4ee5\u50b3\u9001
\u901a\u5e38\u9810\u8a2d\u70ba2346
\u9580\u6abb\u4f4e:\u53ef\u907f\u514d\u5927\u8a0a\u6846\u50b3\u8f38\u5931\u6557\u8981\u5728\u91cd\u50b3\u4e00\u6b21,\u4f46\u592a\u4f4e\u6703\u7528\u6389\u592a\u591aheader,\u6548\u80fd\u53cd\u800c\u6703\u8b8a\u5dee
\u9580\u6abb\u9ad8:\u53ef\u6e1b\u5c11\u5206\u958b\u50b3\u9001\u6240\u4f54\u7528\u7684header,\u4f46\u8a2d\u592a\u9ad8\u82e5\u9047\u5230\u5927\u8a0a\u6846\u50b3\u8f38\u5931\u6557\u5247\u8981\u91cd\u9001,\u589e\u52a0\u8ca0\u64d4
4.retry limit(\u91cd\u50b3\u9650\u5236)<\/strong>
\u5931\u6557\u91cd\u9001\u7684\u9650\u5236,\u5206\u70ba
\u5927\u65bcRTS\u9580\u6abb\u7684\u8a0a\u6846,\u9810\u8a2d\u70ba4\u6b21
\u5c0f\u65bcRTS\u9580\u6abb\u7684\u8a0a\u6846,\u9810\u8a2d\u70ba7\u6b21
\u8abf\u4f4e:\u8a0a\u6846\u8d8a\u5feb\u903e\u6642,\u4e1f\u68c4\u8a0a\u6846\u901f\u5ea6\u8d8a\u5feb,\u4e5f\u8868\u793a\u66f4\u5feb\u5ba3\u544a\u5c01\u5305\u5df1\u907a\u5931
\u8abf\u9ad8:\u8a0a\u6846\u8f03\u6162\u903e\u6642,\u8207\u4e0a\u5c64\u5354\u5b9a\u4e92\u52d5\u6703\u66f4\u983b\u7e41,\u53ef\u80fd\u5f71\u97ff\u50b3\u8f38\u54c1\u8cea<\/p>\n\n\n\n

\u8207\u96fb\u6e90\u76f8\u95dc\u7684\u53c3\u6578
1.listen interval<\/strong>
\u7db2\u5361\u5169\u6b21\u7526\u9192\u4e4b\u9593\u6703\u6b77\u6b77\u591a\u5c11\u6b21beacon\u9593\u9694\u6578
\u8abf\u9ad8:AP\u8ca0\u64d4\u8207\u50b3\u8f38\u5ef6\u9072\u6642\u9593\u6703\u63d0\u9ad8,\u4f46\u53ef\u7bc0\u7701\u7db2\u5361\u6240\u6d88\u8017\u7684\u96fb\u529b,\u9700\u5373\u6642\u6027\u4e4b\u50b3\u8f38\u4e0d\u9069\u5408
\u8abf\u4f4e:AP\u6240\u9700\u6e96\u5099\u66ab\u5b58\u7a7a\u9593\u5c11,\u53ef\u6e1b\u8f15AP\u8ca0\u64d4
2.Delivery TIM window<\/strong>
\u5169\u6b21DTIM\u6240\u6b77\u7d93\u4e4bbeacon\u9593\u9694\u6578,\u50c5\u9069\u7528\u65bcinfrastructure\u7db2\u8def
\u8abf\u9ad8\u8abf\u4f4e\u6548\u679c\u985e\u4f3clisten interval
3.Announcement TIM windows<\/strong>
\u7db2\u5361\u9700\u6e05\u9192\u7684\u6642\u9593,\u50c5\u9069\u7528\u65bcad-hoc\u7db2\u8def
\u8abf\u9ad8:\u6e05\u9192\u6642\u9593\u8f03\u9577,\u5ef6\u9072\u8f03\u4f4e,\u985e\u4f3cDTIM\u53c3\u6578\u8abf\u4f4e\u4e4b\u6548\u679c
\u8abf\u4f4e:\u8f03\u7701\u96fb,\u985e\u4f3cDTIM\u53c3\u6578\u8abf\u9ad8\u4e4b\u6548\u679c<\/p>\n\n\n\n

\u8207\u8a08\u6642\u76f8\u95dc\u7684\u53c3\u6578
1.active scan timer<\/strong>
\u7db2\u5361\u9001\u51faprobe request\u8a0a\u6846\u5f8c,\u8981\u82b1\u591a\u5c11\u6642\u9593\u7b49\u5f85\u56de\u61c9\u8a0a\u606f
\u8abf\u4f4e:\u6383\u63cf\u8a72\u983b\u9053\u7684\u6642\u9593\u77ed,\u7db2\u5361\u6703\u5feb\u901f\u5207\u63db\u5230\u5176\u4ed6\u983b\u9053\u53bb\u6383\u63cf
\u8abf\u9ad8:\u6383\u63cf\u8a72\u983b\u9053\u7684\u6642\u9593\u9577,\u6709\u6bd4\u8f03\u9ad8\u7684\u6a5f\u6703\u6383\u63cf\u5230
2.pass scan timer<\/strong>
\u7db2\u5361\u8046\u807d\u5404\u7121\u7dda\u983b\u9053\u4e4bbeacon\u8a0a\u6846\u6240\u8981\u7684\u6642\u9593
\u8abf\u4f4e:\u8a72\u983b\u9053\u8046\u807d\u6642\u9593\u8f03\u77ed,\u53ef\u80fd\u6703\u5728beacon\u9084\u672a\u9001\u4f86\u524d\u5c31\u5230\u4e0b\u4e00\u500b\u983b\u9053
\u8abf\u9ad8:\u8a72\u983b\u9053\u8046\u807d\u6642\u9593\u8f03\u9577,\u6709\u6bd4\u8f03\u9ad8\u7684\u6a5f\u6703\u807d\u5230beacon
3.authentication timeout<\/strong>
\u5728\u8207ap\u8a8d\u8b49\u6642\u9700\u5728\u91cd\u65b0\u4e00\u6b21\u7684\u6642\u9593
\u8abf\u4f4e:\u53ef\u52a0\u5feb\u8a8d\u8b49\u7a0b\u5e8f,\u4f46\u592a\u4f4e\u53ef\u80fd\u6703\u91cd\u65b0\u592a\u591a\u6b21
\u8abf\u9ad8:\u7b49\u5f85\u8a8d\u8b49\u8655\u7406\u7684\u6642\u9593\u8f03\u9577,\u7db2\u8def\u5fd9\u788c\u6642\u5efa\u8b70\u8abf\u9ad8<\/p>\n","protected":false},"excerpt":{"rendered":"

AP(Access Point,\u64f7\u53d6\u9ede) \u6216\u7a31\u7121\u7dda …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":"","_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[30],"tags":[],"class_list":["post-760","post","type-post","status-publish","format-standard","hentry","category-networkconcept"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/posts\/760","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/comments?post=760"}],"version-history":[{"count":0,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/posts\/760\/revisions"}],"wp:attachment":[{"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/media?parent=760"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/categories?post=760"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/tags?post=760"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}