浣嗗浜嶹LAN錛岃濡備綍鍒掑垎VLAN鍛紵
WLAN鐨勭綉緇滅粨鏋勫熀鏈崟浣嶆槸BSS銆侭SS鏈変袱縐嶅艦鎬侊細(xì)鐙珛鍩虹緇撴瀯錛圛BSS錛屼篃鍙嚜緇勭綉Adhoc錛夊拰鍩虹緇撴瀯Infrastructure銆傝嚜緇勭綉灝辨槸澶氫釜绔欑偣鑷彂緇勬垚涓涓彲浠ヤ簰閫氱殑WLAN錛岃屽熀紜緇撴瀯妯″紡鍒欎互AP涓轟腑蹇冿紝鍏跺畠绔欑偣閮藉厛涓嶢P鍏寵仈錛岀劧鍚庢墠鑳戒笌BSS涓殑鍏跺畠绔欑偣榪涜閫氫俊銆備互涓嬫墍鎻愬埌鐨凚SS浠呮寚鍩虹緇撴瀯銆?/p>
WLAN涓殑VLAN鍒掑垎蹇呴』瑕佹湁AP鐨勬敮鎸併傛瘡涓涓猇LAN鐢變竴涓猇LAN ID鏉ユ爣紺猴紝鍥犳浠ヤ粈涔堜綔涓篤LAN ID鐨勪緷鎹紝鍐沖畾浜哣LAN鍦ㄥ摢涓眰嬈″垝鍒嗐傛牴鎹甐LAN涓嶣SS鐨勫叧緋伙紝W(xué)LAN涓殑VLAN鍒掑垎鏈夊嚑縐嶆儏鍐點(diǎn)?/p>
1. 浠AC灞備緷鎹綔涓篤LAN ID
涓涓狝P鑷沖皯鍙互緇勫緩涓涓狟SS錛岃屼笖涓嶅皯瀹為檯鐨勪駭鍝佽繕鏀寔鍚屾椂铏氭嫙鍑哄涓狟SS錛屾瘡涓狟SS鎷ユ湁涓嶅悓鐨凚SSID銆傚浜庢瘡涓狟SS錛屼竴浜汚P浜у搧榪樺彲浠ュ悓鏃舵敮鎸佸涓猄SID錛屼笉鍚岀殑SSID鍏變韓澶ч儴鍒嗙殑BSS閰嶇疆鍜孯adio鎺ュ彛閰嶇疆錛屽彲浠ユ湁灝戦儴鍒嗛厤緗笉涓鏍鳳紙姣斿瀵嗛挜錛夈?/p>
1.1 浠SID鎴朆SSID涓哄垝鍒嗕緷鎹?/p>
涓縐嶅鏄撳疄鐜扮殑VLAN鍒掑垎鏂規(guī)硶灝辨槸浠SID涓哄垝鍒嗕緷鎹紝姣忎釜SSID瀵瑰簲涓涓猇LAN ID銆傝繖縐嶅垝鍒嗕緷鎹畬鍏ㄦ潵鑷簬802.11 MAC灞傜殑SSID錛屽洜姝ゅ彲浠ュ畬鍏ㄥ湪AP鍐呴儴瀹炵幇銆傛牴鎹瓵P瀵瑰SSID鏀寔鎯呭喌鐨勪笉鍚岋紝鍏蜂綋鎯呭喌鍙堟湁鎵涓嶅悓銆?/p>
1.1.1 AP鏀寔澶氫釜BSS錛屾瘡涓狟SS鍙堟敮鎸佸涓猄SID
榪欑鎯呭喌涓嬫寜鐓SID鏉ュ垝鍒哣LAN錛屾墍鏈夎繛鎺ュ埌璇SID鐨勭珯鐐歸兘灞炰簬鍚屼竴涓猇LAN銆傛瘡涓猄SID鎻愪緵緇橲TATION鐨勬帴鍏ョ鍙e潎涓篤LAN鐨凙ccess绔彛錛屾槸涓嶅甫tag鐨勭鍙c?/p>
鐢變簬涓涓狟SS鍐呮湁澶氫釜SSID錛屽洜姝や竴涓狟SS鍐呭氨浼?xì)鏈夊涓猇LAN銆傜敱浜庤繖浜汼SID鍧囧睘浜庡悓涓BSS錛屽洜姝ゅ鏋滀綅浜庝袱涓猇LAN鍐呯殑STATION瑕侀氫俊錛屽彧闇瑕佺粡榪嘇P鍐呴儴鐨勮漿鍙戞ˉ鎺ュ嵆鍙?/p>
1.1.2 AP浠呮敮鎸佷竴涓狟SS錛屾瘡涓狟SS鏀寔澶歋SID
榪欑鎯呭喌涓嬫寜鐓SID鏉ュ垝鍒哣LAN錛岃窡涓婇潰鐨勬儏鍐電被浼箋?/p>
1.1.3 AP鏀寔澶氫釜BSS錛屾瘡涓狟SS浠呮敮鎸佷竴涓猄SID
榪欑鎯呭喌涓婼SID涓嶣SSID涓涓瀵瑰簲錛屽洜姝ゆ牴鎹甋SID鏉ュ垝鍒哣LAN涓庢牴鎹瓸SSID鏉ュ垝鍒嗘槸涓鏍風(fēng)殑銆傝繖縐嶆儏鍐典笅灞炰簬鍚屼竴涓狟SS鐨勭珯鐐瑰睘浜庡悓涓涓猇LAN錛屼綅浜庝袱涓猇LAN鍐呯殑STATION瑕侀氫俊錛屽彧闇瑕佺粡榪嘇P鍐呴儴鐨勮漿鍙戞ˉ鎺ュ嵆鍙篃浠呬粎闇瑕丄P鍐呴儴鐨勮漿鍙戙?/p>
1.1.4 AP浠呮敮鎸丅SS錛屾瘡涓狟SS浠呮敮鎸佷竴涓猄SID
榪欑鎯呭喌涓嬪鏋滄寜鐓SID鎴朆SSID鏉ュ垝鍒哣LAN錛屽垯鏁翠釜BSS鍧囧睘浜庡悓涓VLAN銆傜敱浜庝笉瀛樺湪澶氫釜VLAN錛屽洜姝や笉瀛樺湪VLAN浜掗氱殑闂銆?/p>
鍙錛屽鏋滃湪鍚屼竴AP鍐呴儴鍒掑垎涓嶅悓鐨刅LAN錛岄偅涔堣繖浜沄LAN闂寸殑浜掗氫粎闇瑕丄P鍐呴儴鐨凪AC妗ユ帴鍗沖彲瀹炵幇錛岃屼笉闇瑕佸皢鏁版嵁浜ゅ埌鏇撮珮灞傝繘琛岃漿鍙戞垨妗ユ帴銆?/p>
1.2 浠AC鍦板潃涓哄垝鍒嗕緷鎹?/p>
榪欑鎯呭喌鏍規(guī)嵁STATION鐨凪AC鍦板潃鍦˙SS鍐呭垝鍒哣LAN銆侫P鏍規(guī)嵁浠嶴TATION鍙戞潵鐨勫撫涓殑婧愬湴鍧鍐沖畾璇TATION鎵灞炵殑VLAN錛屼粠鑰屽彲浠ヤ繚璇佸悓涓VLAN鐨勪簰閫氬拰涓嶅悓VLAN鐨勬ˉ鎺ャ?/p>
涓婇潰鐨勪袱縐嶅垝鍒嗗潎鏄互802.11 MAC灞傜殑淇℃伅浣滀負(fù)VLAN ID鐨勫垝鍒嗕緷鎹紝鍥犳鍚屼竴VLAN鍐呴儴鐨勮漿鍙戝拰涓嶅悓VLAN涔嬮棿鐨勬ˉ鎺ュ潎鍙湪AP鍐呴儴瀹炵幇錛岃屼笉闇瑕佸垎鍙戙?/p>
鍦ㄤ笂闈㈢殑涓ょ鎯呭喌涓嬶紝鍦ˋP鍐呴儴鍙渶瑕佺淮鎶や袱寮犺〃鍗沖彲錛氫竴寮犺〃鏄疺LAN ID涓嶸LAN渚濇嵁錛圫SID/BSSID鎴朚AC鍦板潃錛変箣闂寸殑瀵瑰簲琛紝鍙︿竴寮犺〃紺篤LAN ID涓嶸LAN鎺ュ彛涔嬮棿鐨勫搴旇〃銆侫ccess绔彛涓婄殑鏁版嵁鏀跺彂鎯呭喌濡備笅錛?/p>
榪涘叆Access绔彛鐨勬暟鎹細(xì)鍙互涓嶅甫tag銆傚鏋滈渶瑕佸垎鍙戝埌AP澶栵紙鐩殑鍦板潃涓嶆槸BSSID涓斾笉鏄換浣旴SS涓殑鍏跺畠绔欑偣錛夛紝鍒欏姞涓妕ag閫氳繃鍒嗗彂鎺ュ彛鍒嗗彂錛涘鏋滀笉闇瑕佸垎鍙戝埌AP澶栵紝鍒欐湁鍑犵鎯呭喌錛?/p>
DA涓築SSID錛屽垯鐢盇P鎺ユ敹騫跺鐞嗭紱
DA涓哄悓涓VLAN涓殑鍏跺畠STATION錛屽垯MAC灞傝漿鍙戯紱
DA涓轟笉鍚孷LAN錛屼絾鍚屼竴AP涓殑鍏跺畠STATION錛屽垯鎵цVLAN涔嬮棿鐨勬ˉ鎺ュ崗璁?
浠嶢ccess绔彛鍙戝嚭鐨勬暟鎹細(xì)涓嶅甫tag錛岀洿鎺ュ彂鍒癝TATION銆?/p>
榪欑鍒掑垎鐨勭己鐐逛粎閫傚悎浜庤緝?yōu)畯鐨劸|戠粶錛岀伒媧繪ц緝宸傛瘮濡傦紝鏃犳硶瀹炵幇璺ˋP鐨刅LAN錛屼篃灝辨槸榪炴帴鍒頒笉鍚孉P鐨勪袱涓猄TATION鏃犳硶鍒掑垎鍒板悓涓涓猇LAN銆?/p>
2. 鍔ㄦ乂LAN鍒掑垎鏂瑰紡
鍔ㄦ佸垝鍒嗘柟寮忓茍涓嶇敱AP鏉ュ喅瀹歏LAN ID錛岃屾槸鐢卞叾瀹冩洿楂樼駭鐨勮澶囨潵鍐沖畾銆備竴縐嶆柟娉曟槸鐢盧ADIUS鏈嶅姟鍣ㄦ潵鍒掑垎銆傚綋涓涓猄TATION涓嶢P鍏寵仈鏃訛紝AP涓殑RADIUS瀹㈡埛绔笌RADIUS鏈嶅姟鍣ㄨ繘琛岄氫俊錛屼粠鑰屽緱鍒拌STATION鎵灞炵殑VLAN ID銆俁ADIUS鍐沖畾STATION鏈嶅姟鍣ㄦ墍灞濾LAN鐨勪緷鎹彲浠ユ槸鐢ㄦ埛鍚嶃両P鍦板潃絳夛紝鍥犳鍏鋒湁寰堝ぇ鐨勭伒媧繪с傚綋鐢ㄦ埛鐨勪綅緗敼鍙樺悗錛屼粬鎵灞炵殑VLAN浠嶇劧涓嶅彉銆?/p>
閲囩敤鍔ㄦ乂LAN鏂瑰紡鍚庯紝鍚屼竴涓狝P鐨勫悓涓涓猄SID涓殑涓や釜STATION鍙兘灞炰簬涓嶅悓鐨刅LAN錛岃岃繛鎺ュ埌涓や釜涓嶅悓AP涓殑STATION鍗村彲鑳藉睘浜庡悓涓VLAN銆傚洜姝よ繖縐嶆儏鍐典笅錛岃瀹炵幇鍚屼竴VLAN涓笉鍚孲TATION涔嬮棿鐨勪簰閫氾紝闇瑕佹洿楂樺眰鐨勮漿鍙戝拰妗ユ帴錛屽彲鑳介渶瑕佺粡榪囦綅浜嶹DS鎺ュ彛鎴栦互澶綉DS鎺ュ彛絳夋帴鍙d箣涓婄殑VLAN trunk銆乭ybrid绔彛銆?/p>
鏈枃鏉ヨ嚜CSDN鍗氬錛岃漿杞借鏍囨槑鍑哄錛歨ttp://blog.csdn.net/rangzh/archive/2008/07/02/2606778.aspx
浣嗗浜嶹LAN錛岃濡備綍鍒掑垎VLAN鍛紵
WLAN鐨勭綉緇滅粨鏋勫熀鏈崟浣嶆槸BSS銆侭SS鏈変袱縐嶅艦鎬侊細(xì)鐙珛鍩虹緇撴瀯錛圛BSS錛屼篃鍙嚜緇勭綉Adhoc錛夊拰鍩虹緇撴瀯Infrastructure銆傝嚜緇勭綉灝辨槸澶氫釜绔欑偣鑷彂緇勬垚涓涓彲浠ヤ簰閫氱殑WLAN錛岃屽熀紜緇撴瀯妯″紡鍒欎互AP涓轟腑蹇冿紝鍏跺畠绔欑偣閮藉厛涓嶢P鍏寵仈錛岀劧鍚庢墠鑳戒笌BSS涓殑鍏跺畠绔欑偣榪涜閫氫俊銆備互涓嬫墍鎻愬埌鐨凚SS浠呮寚鍩虹緇撴瀯銆?/p>
WLAN涓殑VLAN鍒掑垎蹇呴』瑕佹湁AP鐨勬敮鎸併傛瘡涓涓猇LAN鐢變竴涓猇LAN ID鏉ユ爣紺猴紝鍥犳浠ヤ粈涔堜綔涓篤LAN ID鐨勪緷鎹紝鍐沖畾浜哣LAN鍦ㄥ摢涓眰嬈″垝鍒嗐傛牴鎹甐LAN涓嶣SS鐨勫叧緋伙紝W(xué)LAN涓殑VLAN鍒掑垎鏈夊嚑縐嶆儏鍐點(diǎn)?/p>
1. 浠AC灞備緷鎹綔涓篤LAN ID
涓涓狝P鑷沖皯鍙互緇勫緩涓涓狟SS錛岃屼笖涓嶅皯瀹為檯鐨勪駭鍝佽繕鏀寔鍚屾椂铏氭嫙鍑哄涓狟SS錛屾瘡涓狟SS鎷ユ湁涓嶅悓鐨凚SSID銆傚浜庢瘡涓狟SS錛屼竴浜汚P浜у搧榪樺彲浠ュ悓鏃舵敮鎸佸涓猄SID錛屼笉鍚岀殑SSID鍏變韓澶ч儴鍒嗙殑BSS閰嶇疆鍜孯adio鎺ュ彛閰嶇疆錛屽彲浠ユ湁灝戦儴鍒嗛厤緗笉涓鏍鳳紙姣斿瀵嗛挜錛夈?/p>
1.1 浠SID鎴朆SSID涓哄垝鍒嗕緷鎹?/p>
涓縐嶅鏄撳疄鐜扮殑VLAN鍒掑垎鏂規(guī)硶灝辨槸浠SID涓哄垝鍒嗕緷鎹紝姣忎釜SSID瀵瑰簲涓涓猇LAN ID銆傝繖縐嶅垝鍒嗕緷鎹畬鍏ㄦ潵鑷簬802.11 MAC灞傜殑SSID錛屽洜姝ゅ彲浠ュ畬鍏ㄥ湪AP鍐呴儴瀹炵幇銆傛牴鎹瓵P瀵瑰SSID鏀寔鎯呭喌鐨勪笉鍚岋紝鍏蜂綋鎯呭喌鍙堟湁鎵涓嶅悓銆?/p>
1.1.1 AP鏀寔澶氫釜BSS錛屾瘡涓狟SS鍙堟敮鎸佸涓猄SID
榪欑鎯呭喌涓嬫寜鐓SID鏉ュ垝鍒哣LAN錛屾墍鏈夎繛鎺ュ埌璇SID鐨勭珯鐐歸兘灞炰簬鍚屼竴涓猇LAN銆傛瘡涓猄SID鎻愪緵緇橲TATION鐨勬帴鍏ョ鍙e潎涓篤LAN鐨凙ccess绔彛錛屾槸涓嶅甫tag鐨勭鍙c?/p>
鐢變簬涓涓狟SS鍐呮湁澶氫釜SSID錛屽洜姝や竴涓狟SS鍐呭氨浼?xì)鏈夊涓猇LAN銆傜敱浜庤繖浜汼SID鍧囧睘浜庡悓涓BSS錛屽洜姝ゅ鏋滀綅浜庝袱涓猇LAN鍐呯殑STATION瑕侀氫俊錛屽彧闇瑕佺粡榪嘇P鍐呴儴鐨勮漿鍙戞ˉ鎺ュ嵆鍙?/p>
1.1.2 AP浠呮敮鎸佷竴涓狟SS錛屾瘡涓狟SS鏀寔澶歋SID
榪欑鎯呭喌涓嬫寜鐓SID鏉ュ垝鍒哣LAN錛岃窡涓婇潰鐨勬儏鍐電被浼箋?/p>
1.1.3 AP鏀寔澶氫釜BSS錛屾瘡涓狟SS浠呮敮鎸佷竴涓猄SID
榪欑鎯呭喌涓婼SID涓嶣SSID涓涓瀵瑰簲錛屽洜姝ゆ牴鎹甋SID鏉ュ垝鍒哣LAN涓庢牴鎹瓸SSID鏉ュ垝鍒嗘槸涓鏍風(fēng)殑銆傝繖縐嶆儏鍐典笅灞炰簬鍚屼竴涓狟SS鐨勭珯鐐瑰睘浜庡悓涓涓猇LAN錛屼綅浜庝袱涓猇LAN鍐呯殑STATION瑕侀氫俊錛屽彧闇瑕佺粡榪嘇P鍐呴儴鐨勮漿鍙戞ˉ鎺ュ嵆鍙篃浠呬粎闇瑕丄P鍐呴儴鐨勮漿鍙戙?/p>
1.1.4 AP浠呮敮鎸丅SS錛屾瘡涓狟SS浠呮敮鎸佷竴涓猄SID
榪欑鎯呭喌涓嬪鏋滄寜鐓SID鎴朆SSID鏉ュ垝鍒哣LAN錛屽垯鏁翠釜BSS鍧囧睘浜庡悓涓VLAN銆傜敱浜庝笉瀛樺湪澶氫釜VLAN錛屽洜姝や笉瀛樺湪VLAN浜掗氱殑闂銆?/p>
鍙錛屽鏋滃湪鍚屼竴AP鍐呴儴鍒掑垎涓嶅悓鐨刅LAN錛岄偅涔堣繖浜沄LAN闂寸殑浜掗氫粎闇瑕丄P鍐呴儴鐨凪AC妗ユ帴鍗沖彲瀹炵幇錛岃屼笉闇瑕佸皢鏁版嵁浜ゅ埌鏇撮珮灞傝繘琛岃漿鍙戞垨妗ユ帴銆?/p>
1.2 浠AC鍦板潃涓哄垝鍒嗕緷鎹?/p>
榪欑鎯呭喌鏍規(guī)嵁STATION鐨凪AC鍦板潃鍦˙SS鍐呭垝鍒哣LAN銆侫P鏍規(guī)嵁浠嶴TATION鍙戞潵鐨勫撫涓殑婧愬湴鍧鍐沖畾璇TATION鎵灞炵殑VLAN錛屼粠鑰屽彲浠ヤ繚璇佸悓涓VLAN鐨勪簰閫氬拰涓嶅悓VLAN鐨勬ˉ鎺ャ?/p>
涓婇潰鐨勪袱縐嶅垝鍒嗗潎鏄互802.11 MAC灞傜殑淇℃伅浣滀負(fù)VLAN ID鐨勫垝鍒嗕緷鎹紝鍥犳鍚屼竴VLAN鍐呴儴鐨勮漿鍙戝拰涓嶅悓VLAN涔嬮棿鐨勬ˉ鎺ュ潎鍙湪AP鍐呴儴瀹炵幇錛岃屼笉闇瑕佸垎鍙戙?/p>
鍦ㄤ笂闈㈢殑涓ょ鎯呭喌涓嬶紝鍦ˋP鍐呴儴鍙渶瑕佺淮鎶や袱寮犺〃鍗沖彲錛氫竴寮犺〃鏄疺LAN ID涓嶸LAN渚濇嵁錛圫SID/BSSID鎴朚AC鍦板潃錛変箣闂寸殑瀵瑰簲琛紝鍙︿竴寮犺〃紺篤LAN ID涓嶸LAN鎺ュ彛涔嬮棿鐨勫搴旇〃銆侫ccess绔彛涓婄殑鏁版嵁鏀跺彂鎯呭喌濡備笅錛?/p>
榪涘叆Access绔彛鐨勬暟鎹細(xì)鍙互涓嶅甫tag銆傚鏋滈渶瑕佸垎鍙戝埌AP澶栵紙鐩殑鍦板潃涓嶆槸BSSID涓斾笉鏄換浣旴SS涓殑鍏跺畠绔欑偣錛夛紝鍒欏姞涓妕ag閫氳繃鍒嗗彂鎺ュ彛鍒嗗彂錛涘鏋滀笉闇瑕佸垎鍙戝埌AP澶栵紝鍒欐湁鍑犵鎯呭喌錛?/p>
DA涓築SSID錛屽垯鐢盇P鎺ユ敹騫跺鐞嗭紱
DA涓哄悓涓VLAN涓殑鍏跺畠STATION錛屽垯MAC灞傝漿鍙戯紱
DA涓轟笉鍚孷LAN錛屼絾鍚屼竴AP涓殑鍏跺畠STATION錛屽垯鎵цVLAN涔嬮棿鐨勬ˉ鎺ュ崗璁?
浠嶢ccess绔彛鍙戝嚭鐨勬暟鎹細(xì)涓嶅甫tag錛岀洿鎺ュ彂鍒癝TATION銆?/p>
榪欑鍒掑垎鐨勭己鐐逛粎閫傚悎浜庤緝?yōu)畯鐨劸|戠粶錛岀伒媧繪ц緝宸傛瘮濡傦紝鏃犳硶瀹炵幇璺ˋP鐨刅LAN錛屼篃灝辨槸榪炴帴鍒頒笉鍚孉P鐨勪袱涓猄TATION鏃犳硶鍒掑垎鍒板悓涓涓猇LAN銆?/p>
2. 鍔ㄦ乂LAN鍒掑垎鏂瑰紡
鍔ㄦ佸垝鍒嗘柟寮忓茍涓嶇敱AP鏉ュ喅瀹歏LAN ID錛岃屾槸鐢卞叾瀹冩洿楂樼駭鐨勮澶囨潵鍐沖畾銆備竴縐嶆柟娉曟槸鐢盧ADIUS鏈嶅姟鍣ㄦ潵鍒掑垎銆傚綋涓涓猄TATION涓嶢P鍏寵仈鏃訛紝AP涓殑RADIUS瀹㈡埛绔笌RADIUS鏈嶅姟鍣ㄨ繘琛岄氫俊錛屼粠鑰屽緱鍒拌STATION鎵灞炵殑VLAN ID銆俁ADIUS鍐沖畾STATION鏈嶅姟鍣ㄦ墍灞濾LAN鐨勪緷鎹彲浠ユ槸鐢ㄦ埛鍚嶃両P鍦板潃絳夛紝鍥犳鍏鋒湁寰堝ぇ鐨勭伒媧繪с傚綋鐢ㄦ埛鐨勪綅緗敼鍙樺悗錛屼粬鎵灞炵殑VLAN浠嶇劧涓嶅彉銆?/p>
閲囩敤鍔ㄦ乂LAN鏂瑰紡鍚庯紝鍚屼竴涓狝P鐨勫悓涓涓猄SID涓殑涓や釜STATION鍙兘灞炰簬涓嶅悓鐨刅LAN錛岃岃繛鎺ュ埌涓や釜涓嶅悓AP涓殑STATION鍗村彲鑳藉睘浜庡悓涓VLAN銆傚洜姝よ繖縐嶆儏鍐典笅錛岃瀹炵幇鍚屼竴VLAN涓笉鍚孲TATION涔嬮棿鐨勪簰閫氾紝闇瑕佹洿楂樺眰鐨勮漿鍙戝拰妗ユ帴錛屽彲鑳介渶瑕佺粡榪囦綅浜嶹DS鎺ュ彛鎴栦互澶綉DS鎺ュ彛絳夋帴鍙d箣涓婄殑VLAN trunk銆乭ybrid绔彛銆?/p>
鏈枃鏉ヨ嚜CSDN鍗氬錛岃漿杞借鏍囨槑鍑哄錛歨ttp://blog.csdn.net/rangzh/archive/2008/07/02/2606778.aspx