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某局點(diǎn)AP反復(fù)下載版本無(wú)法穩(wěn)定在線(xiàn)
首先, 我們先明確下故障現(xiàn)象,通過(guò)AP的輸出信息我們能看到,AP可以正常的從AC上下載版本并啟動(dòng),可以進(jìn)入命令行,但是幾秒鐘之后就會(huì)再次重復(fù)下載版本。
******************************************** * * * H3C WA4320i-ACN BootWare, Version 7.07 * * * ********************************************* Copyright (c) 2004-2016 Hangzhou H3C Technologies Co., Ltd
Compiled Date : Jun 20 2016
CPU Type : ATHEROS AR9550
CPU L1 Cache : 32KB
CPU Clock Speed : 720MHz
Memory Type : DDR2 SDRAM
Memory Size : 256MB
Memory Speed : 560MHz
BootWare Size : 512KB
Flash Size : 32MB
CPLD Version : 006
PCB Version : Ver.C
BootWare Validating...
Press Ctrl+B to access EXTENDED-BOOTWARE MENU...
Loading the main boot and system image files...
Loading file flash:/wa4300-system.bin....................................... Done.
Loading file flash:/wa4300-boot.bin......................................... ......................Done.
Image file flash:/wa4300-boot.bin is self-decompressing..................... ............................................................................ ............................................................................ .............................................Done.
System image is starting...
Startup configuration file does not exist.
Line con0 is available.
Press ENTER to get started.
%Sep 27 17:25:58:435 2019 H3C SHELL/5/SHELL_LOGIN: Console logged in from con0.
%Sep 27 17:26:04:649 2019 H3C CWC/6/CWC_IMG_DOWNLOAD_START: Started to download the image file wa4300.ipe through the CAPWAP tunnel to AC 192.168.100.xxx.
Decompressing file wa4300-boot.bin to flash:/wa4300-boot.bin................................Done.
Decompressing file wa4300-system.bin to flash:/wa4300-system.bin........................................................................................................Done.
%Sep 27 17:30:30:425 2019 H3C CWC/6/CWC_IMG_DOWNLOAD_COMPLETE: Downloading the image file wa4300.ipe from AC 192.168.100.xxx through the CAPWAP tunnel is complete.
%Sep 27 17:30:30:425 2019 H3C CWC/6/CWC_AP_REBOOT: AP in state Image Data is rebooting. Reason: Image was downloaded successfully.
%Sep 27 17:30:37:310 2019 H3C DEV/5/SYSTEM_REBOOT: System is rebooting now. System is starting...
在AP命令行里我們能看到AP的版本和AC的版本不匹配,同時(shí)在AC的debug wlan capwap信息中,有如下的打印信息:
*Jul 20 11:24:49:858 2020 vac CWS/7/FSM: Enter Image Download state.
*Jul 20 11:24:49:858 2020 vac CWS/7/ERROR: Failed to get image file 0.000000rom the ram path.
*Jul 20 11:24:49:858 2020 vac CWS/7/EVENT: Start get ap ipe offset in file /mnt/slot0#flash:/wa4300.ipe
*Jul 20 11:24:49:858 2020 vac CWS/7/EVENT: Get the ap ipe offset in file /mnt/slot0#flash:/wa4300.ipe, errCode=0x0 offset=0 ipeSize=0
AP的版本是從AC的flash中下載的,并不是從apimge中下載的。在版本說(shuō)明書(shū)配套FIT AP列表中,有說(shuō)明該類(lèi)型的AP 的ipe文件不打包在AC中,需要單獨(dú)將Ap的ipe文件導(dǎo)入AC根目錄下。
因此懷疑AC根目錄下的AP版本上傳錯(cuò)誤,與AC版本號(hào)不匹配不一致,導(dǎo)致AP下載版本之后,又由于AC的版本校驗(yàn)機(jī)制,AC會(huì)將AP的軟件版本與AC上保存的該AP型號(hào)的軟硬件版本對(duì)應(yīng)關(guān)系進(jìn)行比較。如果軟件版本一致,則允許CAPWAP隧道建立;如果軟件版本不一致,則將此情況告知AP。AP收到版本不一致的消息后,會(huì)向AC請(qǐng)求版本并進(jìn)行版本升級(jí)后,再重新與AC建立CAPWAP隧道連接。
因此AP才會(huì)反復(fù)的下載版本,不能穩(wěn)定在線(xiàn)。
解決方法AC根目錄下重新上傳正確的Ap的ipe文件,AP穩(wěn)定注冊(cè)成功
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