可以尝试在WIRELESS->Country 将PK(Pakistan)勾选上，然后点Apply，再试试。
我这边老的5508只勾选了CN，也可以正常使用-C的3702（见下面输出信息），17大概率应该也可以啊？如果勾选了PK仍旧有问题的话，建议还是看一下两端的log是什么再做处理。
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(Cisco Controller) >show sysinfo
Manufacturer's Name.............................. Cisco Systems Inc.
Product Name..................................... Cisco Controller
Product Version.................................. 8.3.102.0
Bootloader Version............................... 1.0.20
Field Recovery Image Version..................... 7.6.95.16
Firmware Version................................. FPGA 1.7, Env 1.8, USB console 2.2
OUI File Update Time............................. Sun Sep 07 10:44:07 IST 2014
Build Type....................................... DATA + WPS
System Name...................................... IC_WLC
System Location..................................
System Contact...................................
System ObjectID.................................. 1.3.6.1.4.1.9.1.1069
Redundancy Mode.................................. Disabled
IP Address....................................... 10.1.30.20
IPv6 Address..................................... ::
Last Reset....................................... Software reset
System Up Time................................... 234 days 10 hrs 52 mins 10 secs
System Timezone Location......................... (GMT +8:00) HongKong, Bejing, Chongquing
System Stats Realtime Interval................... 5
System Stats Normal Interval..................... 180
--More-- or (q)uit
Configured Country............................... CN - China
Operating Environment............................ Commercial (0 to 40 C)
Internal Temp Alarm LimIC....................... 0 to 65 C
Internal Temperature............................. +34 C
External Temperature............................. +21 C
Fan Status....................................... OK
State of 802.11b Network......................... Enabled
State of 802.11a Network......................... Enabled
Number of WLANs.................................. 11
Number of Active Clients......................... 937
OUI Classification Failure Count................. 531406
Burned-in MAC Address............................ 00:9E:1E:1E:2D:2D
Power Supply 1................................... Present, OK
Power Supply 2................................... Absent
Maximum number of APs supported.................. 500
System Nas-Id....................................
WLC MIC Certificate Types........................ SHA1/SHA2
(Cisco Controller) >show ap sum
Number of APs.................................... 76
Global AP User Name.............................. Not Configured
Global AP Dot1x User Name........................ Not Configured
AP Name Slots AP Model Ethernet MAC Location Country IP Address Clients DSE Location
------------------ ----- -------------------- ----------------- ---------------- ---------- --------------- -------- --------------
IC_AP_220 2 AIR-CAP3702I-C-K9 cc:cc:cc:3a:a4:2c IC.2F CN 10.1.30.129 13 [0 ,0 ,0 ]
IC_AP_314 2 AIR-CAP3702I-C-K9 cc:cc:cc:3c:e7:08 IC.3F CN 10.1.30.133 29 [0 ,0 ,0 ]
IC_AP_204 2 AIR-CAP3702I-C-K9 cc:cc:cc:29:f7:c0 IC.2F CN 10.1.30.23 22 [0 ,0 ,0 ]
