无线V7版本AP降级V5经验案例

某局点由于特殊情况（AC不支持V7、性能测试等）需要把V7的ap降级成V5

在AC上配置ap模板，并将ap对应的v5版本导入设备，但是AP无法上线，并且也不会从AC上下载版本，是因为V7平台的AC、AP使用的capwap协议，而V5默认使用lwapp协议，需要在V5上开启

开启V5平台AC的capwap功能

[AC]_h

Now you enter a hidden command view for developer's testing, some commands may

affect operation by wrong use, please carefully use it with our engineer's

direction.

[AC-hidecmd]fpl-diag enable//必须先enable

Are you sure you want to enable FPL-DIAG? [Y/N] y

% FPL-DIAG has been enabled.

[AC-hidecmd]fpl-diag drv_capwap_set 1  //  开启capwap

将设备重启后capwap功能生效（B96版本，无论是AC还是AP，已经完全裁剪了capwap的特性，所以必须要使用B109分支的AC）

AP下载V5版本，刷新为低版本的V5bootware，加载V5app

[H3C-probe]display  system internal  version

H3C WA4320i-ACN V200R001B64D004SP11

Comware V700R001B64D004

[H3C]%Sep  5 13:20:22:372 2015 H3C CWC/6/CWC_IMG_DOWNLOAD_COMPLETE: Downloading the image file WA4300_fit.bin from AC 192.168.0.100 through the CAPWAP tunnel is complete.

%Sep  5 13:20:22:373 2015 H3C CWC/6/CWC_AP_REBOOT: AP in state Image Data is rebooting. Reason: Image was downloaded successfully.

%Sep  5 13:20:22:496 2015 H3C DEV/5/SYSTEM_REBOOT: System is rebooting now.

System is starting...

Press Ctrl+D to access BASIC-BOOTWARE MENU

Booting Normal Extend BootWare

The Extend BootWare is self-decompressing................................

Done!

System should be degraded to ComwareV5,please waiting.//准备降级v5

............................................................................

............................................................................

............................................................................

.............................................................

Updating Extended BootWare..........Done.//刷新boot

System have been degrated successfully!//降级成功

Rebooting......

System is starting...

Press Ctrl+D to access BASIC-BOOTWARE MENU

Booting Normal Extend BootWare

The Extend BootWare is self-decompressing................................

Done!

dis version

H3C Comware Platform Software

Comware Software, Version 5.20, Release 1507P04

Copyright (c) 2004-2015 Hangzhou H3C Tech. Co., Ltd. All rights reserved.

H3C WA4320i-ACN uptime is 0 week, 0 day, 0 hour, 0 minute

再次关闭ac的capwap功能重启生效或者不关闭ac的capwap情况下在ac的wlan ap试图下开启tunnel compliance draft（建议后者）

这个时候AP任然无法上线，需要把AC的lwapp功能开启

[AC-wlan-ap-43]tunnel compliance draft//或者

[AC-hidecmd]fpl-diag enable//必须先enable

Are you sure you want to enable FPL-DIAG? [Y/N] y

% FPL-DIAG has been enabled.

[AC-hidecmd]fpl-diag drv_capwap_set 0  //  关闭capwap

至此V7ap降级V5ap成功并注册上线

V5打开CAPWAP功能使得V7的ap注册上线。

注意：一部分flash空间很小的ap，比如WTU430，会因为flash空间不足导致分体无法完全down版本，这个时候只能telnet到ap本地删除所有文件，并且强烈建议delete/u去删除，因为格式化flash很慢，瘦ap超时会自动重启。