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CAPWAPЭÒéÅàѵ³õ¸å

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  • 2025/6/26 1:18:50

1.3.4.5

RUN ¹ý³Ì

AP ½øÈëRun ״̬ºó£¬AP ÓëAC ¿ªÊ¼×ª·¢Óû§Êý¾Ý£¬Í¬Ê±Ò²ÐèÒª¶¨ÆÚ¼ì²éCAPWAP ͨµÀÊÇ·ñÕý³£¹¤×÷¡£

Keepalive ÔÚÊý¾ÝͨµÀ´«Ê䣬ÊÇÊý¾ÝͨµÀµÄ±£»î±¨ÎÄ£¬¶ø¿ØÖÆÍ¨µÀÊÇÒÀ¿¿Echo ½øÐб£»î¡£

ͨµÀ±£³Ö¹ý³Ì£º

[-- Data Check State Complete --]

(-- enter RUN state --)

: :

Echo Request

------------------------------------> Echo Response

<------------------------------------

: :

Event Request

------------------------------------> Event Response <------------------------------------

: :

WTP Data Transfer Case

WTP AC

Data Transfer Request (Data Transfer Mode = Crash Data) <------------------------------------------------------

Data Transfer Response (Result Code = Success)

-------------------------------------------------------->

Data Transfer Request (Data Transfer Data = Data) -------------------------------------------------------->

Data Transfer Response (Result Code = Success) <------------------------------------------------------

.....

Data Transfer Request (Data Transfer Data = EOF) -------------------------------------------------------->

Data Transfer Response (Result Code = Success) <------------------------------------------------------

WTP Data Transfer Case

WTP AC

Data Transfer Request (Data Transfer Mode = Crash Data) <------------------------------------------------------

Data Transfer Response (Result Code = Data Transfer Error (No Information to Transfer)) -------------------------------------------------------->

WTP Data Transfer Case

2 CAPWAPЭÒé·ÖÎö

CAPWAP²ÉÓÃUDPµÄC/SÄ£ÐͽøÐÐAPÓëACÖ®¼äµÄ½»»¥, CAPWAPͬʱ֧³ÖUDPºÍUDP-Lite(Õë¶ÔIPv6)´«ÊäЭÒé¡£

2.1 UDP ´«Êä

CAPWAPЭÒéµÄ¿ØÖƱ¨ÎÄʹÓÿØÖÆÍ¨µÀ£¬ACʹÓÃUDPµÄ5246¶Ë¿Ú£¬APµÄ¿ØÖƶ˿ÚΪÈÎÒâ¶Ë¿Ú£»Êý¾Ý±¨ÎÄʹÓÃÊý¾ÝͨµÀ£¬Ê¹ÓÃUDPµÄ5247¶Ë¿Ú£¬Èç¹ûACµÄ¿ØÖƶ˿ڱ»Ìæ»»£¬ACµÄÊý¾Ý¶Ë¿Ú±ØÐëΪAC¿ØÖƶ˿ڵÄÏÂÒ»¸ö¶Ë¿Ú£¬APµÄÊý¾Ý¶Ë¿ÚΪÈÎÒâ¶Ë¿Ú¡£µ±CAPWAPÔËÐÐÔÚIPv6ÉÏ£¬½«Ê¹ÓÃUDP-Lite´«ÊäЭÒé¡£

2.2 CAPWAP±¨Îĸñʽ

CAPWAP±¨ÎÄ·ÖΪ¿ØÖƺÍÊý¾ÝÁ½ÖÖÏûÏ¢£¬³ýÁË¿ØÖÆÏûÏ¢µÄDiscovery RequestºÍDiscovery ResponseÏûÏ¢ÍâÆäÓàµÄ´ó²¿·ÖÏûÏ¢¾ùÓÃDTLS½øÐмÓÃÜ·â×°¡£

CAPWAPµÄ¿ØÖƱ¨ÎĸñʽÈçÏ£º

+-------------------------------------------+ | IP | UDP | CAPWAP | Control | Message | | Hdr | Hdr | Header | Header |Element(s) | +-------------------------------------------+ ͼ2.1 CAPWAP¿ØÖƱ¨ÎÄÖ¡¸ñʽһ£¨Discovery Request/Response£©

+------------------------------------------------------------------+ | IP | UDP | CAPWAP | DTLS | CAPWAP | Control| Message | DTLS | | Hdr | Hdr | DTLS Hdr | Hdr |Header | Header | Element(s)| Trlr | +------------------------------------------------------------------+ \\---------- ÈÏÖ¤---------------------/

\\------------- ¼ÓÃÜ------------------/

ͼ2.2 CAPWAP¿ØÖƱ¨ÎÄÖ¡¸ñʽ¶þ£¨¾­DTLS °²È«¼ÓÃÜ´¦ÀíµÄ£©

CAPWAPµÄÊý¾Ý±¨ÎĸñʽÈçÏ£º£¨CAPWAPЭÒé¶ÔÊý¾Ý±¨ÎĵÄDTLS¼ÓÃÜÊÇ¿ÉÑ¡µÄ¡££©

+-------------------------------+

| IP | UDP | CAPWAP | Wireless | | Hdr | Hdr | Header | Payload | +-------------------------------+

ͼ2.3 CAPWAPÊý¾ÝÃ÷ÎÄÖ¡¸ñʽ

+--------------------------------------------------------+

| IP | UDP | CAPWAP | DTLS | CAPWAP | Wireless | DTLS | | Hdr | Hdr | DTLS Hdr | Hdr |Header| Payload | Trlr | +--------------------------------------------------------+ \\------ ÈÏÖ¤---------------/

\\------- ¼ÓÃÜ--------------/

ͼ2.4 CAPWAP¼ÓÃÜÊý¾Ý±¨ÎÄÖ¡¸ñʽ

2.2.1

CAP·ÖÎö

CAPWAP ЭÒéµÄËùÓб¨Îͼ°üº¬ CAPWAP Êײ¿£¬ÔÚ¿ØÖÆÐŵÀÊÕµ½ÔòÊÇ¿ØÖƱ¨ÎÄ£¬ÔÚÊý¾ÝÐŵÀÊÕµ½ÔòÊÇÊý¾Ý±¨ÎÄ£¬ÆäÖ¡¸ñʽ¼ûÏ£º

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