WLC開機卡在launching....（變磚）

1、出現故障的原因：
A、通過手動更換鏡像導致
Boot Loader Menu

1. Run primary image (7.0.220.0) - Active
2. Run backup image (7.0.220.0)
3. Change active boot image
4. Clear configuration
5. Format FLASH Drive

6. Manually update images

   Enter selection: 6

B、版本之間不能直接升級導致
C、Flash被erase了

故障現象：
.......
loading primary image(Bad image type)

Launching...
Launching images...

2、解決方法：
開機ESC，選6：Manually update images；
注意：該模式下無法解密.aes文件。需要單獨加載RTOS進行升級然後進入系統升級。

所需文件，如下示例（可能版本有不同）：
enter filename for RTOS update: AS5500RTOS-7.0.250.0RTOS
Enter filename for FP update: AS5500caviummain-7.0.250.0

獲取方式：通過思科官方獲取（聯繫思科TAC支持，獲取）。

另：該雲盤下有7.0.250.0的RTOS
http://pan.baidu.com/s/1ntqPeh7

3、安裝細節：

Boot Loader Menu

============================================================

1. Run primary image (Image not found) - Active

2. Run backup image (Image not found) This shows that there are no valid images in either Primary or Secondary partition, and that the system is configured to boot from Primary.

3. Change active boot image

4. Clear configuration

5. Format FLASH Drive

6. Manually update images

---

Enter selection: 6

Launching...

Launching images...

init started: BusyBox v1.6.0 (2009-02-03 04:56:32 EST) multi-call binary

Mount failed for selinuxfs on /selinux: No such file or directory

starting pid 655, tty '': '/etc/init.d/rcS'

Use DHCP for ip configuration (Y/n)? n

Enter switch IP address: 192.168.1.100

 By "switch", the boot loader means WLC

Enter switch netmask: 255.255.255.0

Enter switch gateway: 192.168.1.1

Enter TFTP server IP address: 192.168.5.157

You have entered:

          IP Address     : 192.168.1.100     

          Netmask        : 255.255.255.0     

          Gateway        : 192.168.1.1     

          Server Ip Addr : 192.168.5.157

Is this correct(y/N)? y

!!! WARNING updating using .aes or unapproved files will disable this unit !!!

Do you want to update RTOS (y/N)? y

Do you want to update Primary Or Secondary Image (P/s)? P

Enter filename for RTOS update: AS_5500_RTOS-7.0.250.0RTOS update Done

Enter filename for FP update: AS_5500_cavium_main-7.0.250.0

Depending on your WLC model / boot loader version, you may not be prompted for FP update

FP update DoneDo you want to update an AP image (y/N)? N

AP Images Not UpdatedDone.

Restarting...

Restarting system.

WLCNG Boot Loader Version 1.0.15 (Built on Nov 23 2010 at 07:51:36 by cisco)

Board Revision 0.0 (SN: PSJ143806NP, Type: AIR-CT2504-K9)

(W)Verifying boot loader integrity...

OK.