现场AP为WAP722S,采用二层注册方式至MSG360-10P,版本E5425。
现场采用二层注册,发现个别AP无法注册上线,其中问题AP首次注册过程中有过掉电闪断发生,后串口登至AP发现有如下打印:
H3C WAP722S BootWare, Version 1.05 *
* *
****************************************************************************
Copyright (c) 2004-2016 Hangzhou H3C Technologies Co., Ltd.
Compiled Date : Jun 28 2016
CPU Type : ATHEROS AR9563
CPU L1 Cache : 32KB
CPU Clock Speed : 775MHz
Memory Type : SDRAM
Memory Size : 128MB
Memory Speed : 560MHz
BootWare Size : 512KB
Flash Size : 16MB
PCB Version : Ver.A
BootWare Validating...
Press Ctrl+B to enter extended boot menu...
Starting to get the main application file--flash:/wa4300s_fit.bin!..........
............................................................................
............................................................................
..............................................
System application is starting...
Exception Number: 10
Exception Name: Reserved instruction exception
Exception Instruction: 0x84000000
Exception Stack Base: 0x875fb628
BootWare Run Address: 0x87a00000
Register contents:
Reg: zero, Val = 0x00000000 ; Reg: at, Val = 0x00000000 ;
Reg: v0, Val = 0x00000000 ; Reg: v1, Val = 0x024e83e0 ;
Reg: a0, Val = 0x00000009 ; Reg: a1, Val = 0x8761e350 ;
Reg: a2, Val = 0x8761e830 ; Reg: a3, Val = 0x00000000 ;
Reg: t0, Val = 0x875fb427 ; Reg: t1, Val = 0xffffffff ;
Reg: t2, Val = 0x00000000 ; Reg: t3, Val = 0x00000007 ;
Reg: t4, Val = 0x00000000 ; Reg: t5, Val = 0x875fb368 ;
Reg: t6, Val = 0x00000000 ; Reg: t7, Val = 0x87a69a4c ;
Reg: s0, Val = 0x87b064e8 ; Reg: s1, Val = 0x87b064e4 ;
Reg: s2, Val = 0x87b064e0 ; Reg: s3, Val = 0x84000000 ;
Reg: s4, Val = 0x00000000 ; Reg: s5, Val = 0x875fb6a0 ;
Reg: s6, Val = 0x00000000 ; Reg: s7, Val = 0x00000000 ;
Reg: t8, Val = 0x00000020 ; Reg: t9, Val = 0x84000000 ;
Reg: k0, Val = 0x87b0802c ; Reg: k1, Val = 0x00000000 ;
Reg: gp, Val = 0x87a6b470 ; Reg: sp, Val = 0x875fb628 ;
Reg: s8, Val = 0x00000001 ; Reg: ra, Val = 0x87a18e1c ;
Reg: status, Val = 0x10004002 ; Reg: lo, Val = 0x00000000 ;
Reg: hi, Val = 0x00000008 ; Reg: badva, Val = 0x81ff1c9a ;
Reg: cause, Val = 0x40000028 ; Reg: epc, Val = 0x84000000 ;
Print call stack:
84000000
87a18e1c
首先,在对应的接入交换机上接口做相同设备的替换测试,发现其他同型号的AP可以正常注册,排除该接口处的物理问题导致。
将该AP进行恢复出厂设置格式化后,接入对应接口,问题依旧,尝试改为自动注册后还是未能解决。观察现场AP输出信息来看,成功升级AP的bootware版本为“Version 7.07”,这个是V7的bootware版本。升级失败的bootware版本为“Version 1.05”,这个是V5的bootware版本。所以很有可能是某些原因导致AP插在AC上无法自动升级boot-ware,进而引发后面问题,于是尝试手动升级boot-ware至V7,然后格式化flash后再将AP版本升级至对应V7,重新插在接入交换接口下,AP可正常上线。此问题后经研发分析,很有可能在首次升级过程中的断电现象,导致一些特殊数据残留在AP的flash中,而这些特殊数据一般格式化是无法清除的,所以只能采取手动刷版本,解决此问题。
若在AP注册过程中,遇到AP无法注册,并伴随有上述日志打印信息,可尝试手动将boot-ware版本升级至V7,再手动导入版本,问题可解决。
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