某局点无法扫描到SSID的经验案例

某银行局点反馈某网点部署两个AP无线关联不上，通过信号扫描软件inssider扫描2.4G的扫出来信道是0。

1、查看主备AC的配置，AP radio未手工绑定信道

wlan ap xxa0190a1-wa4 model WA2620i-AGN id 360
priority level 7
serial-id 219801A0CNC154002012
radio 1
service-template 100 vlan-id 100
radio enable
radio 2
service-template 100 vlan-id 100
radio enable
#

2、查看AP的射频信息，AP的radio射频异常，beacon状态未使能，

===============display ar5drv 1 radio===============
==========================================================
Basic information
Radio status: hardware fine, unshut, enable, scanning
AdjustState: Off
wlanMode: 802.11na 20MHZ
Operation Mode: AP ChannelNum: 165
Beacon information
BeaconEnabled: NO BeaconInterval: 100

scanning，BeaconEnabled: NO 

==========================================================
===============display ar5drv 2 radio===============
==========================================================
Basic information
Radio status: hardware fine, unshut, enable, scanning
AdjustState: Off
wlanMode: 802.11ng 20MHZ
Operation Mode: AP ChannelNum: 11
Beacon information
BeaconEnabled: NO BeaconInterval: 100

3、正常来讲，AP首先要把检测到的信道情况报告AC，然后AC再抉择出个信道下发给AP，可能网络原因导致有些报文不通畅，比如大包、分片，新版本AC可以允许收不到AP上报的信息，超时后自己决定一个信道下发AP，但该局点版本并不支持该功能。

1、通过手工绑定信道规避

2、升级最新版本优化信道选择