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【原创】Cisco WLC砖机紧急修复

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发表于 2019-6-22 14:10:59 | 显示全部楼层 |阅读模式
在我们升级WLC的时候,容易出现这样一种情况,导入的主备镜像有问题或者没有刷FUS而导致WLC无法从Primary和backup镜像启动(俗称“变砖”),进而升级失败无法启动设备。
此时,需RTOS以及FP(后缀名为.0文件)来进行紧急恢复:


(1)镜像信息
AS_5500_RTOS-7.0.116.0

AS_5500_cavium_main-7.0.116.0


(2)重启WLC
WLCNG Boot Loader Version 1.0.16 (Built on Feb 28 2011 at 13:14:54 by cisco)
Board Revision 0.0 (SN: PSZ1647057R, Type: AIR-CT2504-K9) (P)


Verifying boot loader integrity... OK.


OCTEON CN5230C-SCP pass 2.0, Core clock: 750 MHz, DDR clock: 330 MHz (660 Mhz data rate)
CPU Cores:  4
DRAM:  1024 MB
Flash: 32 MB
Clearing DRAM........ done
Network: octeth0', octeth1, octeth2, octeth3
  ' - Active interface
  E - Environment MAC address override
CF Bus 0 (IDE): OK
IDE device 0:
- Model: 1GB CompactFlash Card Firm: CF B612J Ser#: A191102865A1WqACE40D
- Type: Hard Disk
- Capacity: 977.4 MB = 0.9 GB (2001888 x 512)



Press <ESC> now to access the Boot Menu...


(3)按ESC进入Boot Menu
============================================================
Boot Loader Menu
============================================================


1. Run primary image (7.4.150.0) - Active
2. Run backup image (7.4.121.0)
3. Change active boot image
4. Clear configuration
5. Format FLASH Drive

6. Manually update images


(4)选择6

(5)手动上传镜像——ROTS及FP
------------------------------------------------------------
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<<<<<<<<<<<<<不使用DHCP
Enter switch IP address: 1.1.1.1<<<<<<<<<<<<<设置WLC管理IP地址
Enter switch netmask: 255.255.255.0<<<<<<<<<<<<<管理IP地址掩码
Enter switch gateway: 1.1.1.2<<<<<<<<<<<<<WLC网关
Enter TFTP server IP address: 1.1.1.2<<<<<<<<<<<<<设置TFTP服务器地址为WLC网关地址

You have entered:
     IP Address     : 1.1.1.1
     Netmask       : 255.255.255.0
     Gateway        : 1.1.1.2
     Server Ip Addr : 1.1.1.2

Is this correct(y/N)? y<<<<<<<<<<<<<确定是否正确

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

Do you want to update RTOS (y/N)? y<<<<<<<<<<<<<选择是否上传RTOS镜像

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

Enter filename for RTOS update: AS_5500_RTOS-7.0.116.0<<<<<<<<<<<<<输入RTOS镜像名称
RTOS update Done

Enter filename for FP update: AS_5500_cavium_main-7.0.116.0<<<<<<<<<<<<输入FP镜像名称
FP update Done
Do you want to update an AP image (y/N)? n<<<<<<<<<<<<<不更新AP镜像
AP Images Not Updated
Done.  Restarting...
Restarting system. <<<<<<<<<<<<<系统将会重启

(6)重启后将启动为7.0版本
(Cisco Controller) show>sysinfo

Manufacturer's Name.............................. Cisco Systems Inc.
Product Name..................................... Cisco Controller
Product Version.................................. 7.0.116.0
Bootloader Version............................... 1.0.16
Field Recovery Image Version..................... 1.0.0
Firmware Version................................. PIC 16.0


Build Type....................................... DATA + WPS

System Name...................................... Cisco_31:e2:a4
System Location..................................
System Contact...................................
System ObjectID.................................. 1.3.6.1.4.1.9.1.1279
IP Address....................................... 1.1.1.1
Last Reset....................................... Software reset
System Up Time................................... 0 days 0 hrs 1 mins 36 secs
System Timezone Location.........................
Current Boot License Level....................... base
Current Boot License Type........................ Permanent
Next Boot License Level.......................... base

--More-- or (q)uit
Next Boot License Type........................... Permanent

Configured Country............................... CH  - Switzerland
Operating Environment............................ Commercial (0 to 40 C)
Internal Temp Alarm Limits....................... 0 to 65 C
Internal Temperature............................. +33 C
External Temperature............................. +37 C
Fan Status....................................... 4200 rpm

State of 802.11b Network......................... Enabled
State of 802.11a Network......................... Enabled
Number of WLANs.................................. 1
Number of Active Clients......................... 0

Burned-in MAC Address............................ 44:03:A7:31:E2:A0
Maximum number of APs supported.................. 15




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发表于 2019-6-23 00:11:51 | 显示全部楼层
看了一下过程,请问RTOS是从哪里上传到WLC上面呢,TFTP吗,好像上面没有提到~~谢谢
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 楼主| 发表于 2019-6-24 14:16:35 | 显示全部楼层
TFTP上传到设备的,参考这段:………………
(5)手动上传镜像——ROTS及FP
------------------------------------------------------------
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<<<<<<<<<<<<<不使用DHCP
Enter switch IP address: 1.1.1.1<<<<<<<<<<<<<设置WLC管理IP地址
Enter switch netmask: 255.255.255.0<<<<<<<<<<<<<管理IP地址掩码
Enter switch gateway: 1.1.1.2<<<<<<<<<<<<<WLC网关
Enter TFTP server IP address: 1.1.1.2<<<<<<<<<<<<<设置TFTP服务器地址为WLC网关地址

You have entered:
     IP Address     : 1.1.1.1
     Netmask       : 255.255.255.0
     Gateway        : 1.1.1.2
     Server Ip Addr : 1.1.1.2

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发表于 2019-6-24 15:37:46 | 显示全部楼层
liyanazure 发表于 2019-6-24 14:16
TFTP上传到设备的,参考这段:………………
(5)手动上传镜像——ROTS及FP
--------------------------- ...

收到,谢谢
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发表于 2019-6-29 10:24:52 | 显示全部楼层
学到了,谢谢!
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发表于 2019-7-5 20:19:34 | 显示全部楼层

小丸子和火哥?
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发表于 2019-7-12 08:34:52 | 显示全部楼层
學習了好東西謝謝分享
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