CiscoAP胖瘦互转

近期升级2台AP 1602i 1142N 全部使用电源模块供电，对其进行胖Ap转瘦AP，但操作中发现按MODE模式或者正常配置ip进去全部无法连接到TFTP服务器，经多次尝试，只需现用的flash版本删掉，即可重新TFTP获取新的IOS，具体步骤如下：

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ap#dir

Directory of flash:/

2 -rwx 321726 Apr 25 2002 02:53:27 +00:00 crashinfo_20020425-025324

3 -rwx 1048 Apr 25 2002 04:41:14 +00:00 private-multiple-fs

4 -rwx 347860 Apr 25 2002 02:52:14 +00:00 crashinfo_20020425-025211

6 -rwx 220 Mar 1 2002 00:00:06 +00:00 env_vars

7 drwx 256 Mar 1 2002 00:11:00 +00:00 c1140-k9w7-mx.124-21a.JA1

155 -rwx 332858 Apr 25 2002 02:54:31 +00:00 crashinfo_20020425-025427

156 -rwx 339520 Apr 25 2002 02:55:51 +00:00 crashinfo_20020425-025548

157 -rwx 333434 Apr 25 2002 02:57:02 +00:00 crashinfo_20020425-025659

158 -rwx 323027 Apr 25 2002 03:02:28 +00:00 crashinfo_20020425-030225

159 -rwx 352748 Apr 25 2002 04:00:12 +00:00 crashinfo_20020425-040009

160 -rwx 354734 Apr 25 2002 04:26:02 +00:00 crashinfo_20020425-042559

162 -rwx 5 Apr 25 2002 04:37:49 +00:00 private-config

32385024 bytes total (24130560 bytes free)

查看先用IOS版本

ap#sh version

Cisco IOS Software, C1140 Software (C1140-K9W7-M), Version 12.4(21a)JA1, RELEASE SOFTWARE (fc1)

Technical Support: http://www.cisco.com/techsupport

Compiled Wed 16-Sep-09 18:09 by prod_rel_team

ROM: Bootstrap program is C1140 boot loader

BOOTLDR: C1140 Boot Loader (C1140-BOOT-M) Version 12.4(23c)JA3, RELEASE SOFTWARE (fc1)

ap uptime is 7 minutes

System returned to ROM by watchdog timer expired

System p_w_picpath file is "flash:/c1140-k9w7-mx.124-21a.JA1/c1140-k9w7-mx.124-21a.JA1"

删除先用版本IOS

　/recursive 删除指定文件夹下的所有文件和子文件夹
　/force 删除而不给出提示
ap#delete /recursive /force flash:/c1140-k9w7-mx.124-21a.JA1
ap#dir
Directory of flash:/

    2  -rwx      321726  Apr 25 2002 02:53:27 +00:00  crashinfo_20020425-025324
    3  -rwx        1048  Apr 25 2002 04:41:14 +00:00  private-multiple-fs
    4  -rwx      347860  Apr 25 2002 02:52:14 +00:00  crashinfo_20020425-025211
    6  -rwx         220   Mar 1 2002 00:00:06 +00:00  env_vars
  155  -rwx      332858  Apr 25 2002 02:54:31 +00:00  crashinfo_20020425-025427
  156  -rwx      339520  Apr 25 2002 02:55:51 +00:00  crashinfo_20020425-025548
  157  -rwx      333434  Apr 25 2002 02:57:02 +00:00  crashinfo_20020425-025659
  158  -rwx      323027  Apr 25 2002 03:02:28 +00:00  crashinfo_20020425-030225
  159  -rwx      352748  Apr 25 2002 04:00:12 +00:00  crashinfo_20020425-040009
  160  -rwx      354734  Apr 25 2002 04:26:02 +00:00  crashinfo_20020425-042559
  162  -rwx           5  Apr 25 2002 04:37:49 +00:00  private-config

32385024 bytes total (29672960 bytes free)

已经删除掉了，现在可以进入MODE模式下升级

首先把电脑ip地址设置成10.0.0.2 255.0.0.0 把固件名称改成下面提示的版本（断电后按住MODE键加电，看到提示下面，灯一直亮红色放手，如果更改完c1140-k9w7-tar.default，设备会自动进行升级，这里tftp32搭建略过）

button is pressed, wait for button to be released...

button pressed for 27 seconds

process_config_recovery: set IP address and config to default 10.0.0.1

process_config_recovery: p_w_picpath recovery

p_w_picpath_recovery: Download default IOS tar p_w_picpath tftp://255.255.255.255/c1140-k9w7-tar.default

examining p_w_picpath...

extracting info (283 bytes)

Image info:

Version Suffix: k9w8-.153-3.JD

Image Name: c1140-k9w8-mx.153-3.JD

Version Directory: c1140-k9w8-mx.153-3.JD

Ios Image Size: 8550912

Total Image Size: 8847872

Image Feature: WIRELESS LAN|LWAPP

Image Family: C1140

Wireless Switch Management Version: 8.3.102.0

Extracting files...

如果瘦AP也可以按最后一部操作，基本相同。

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CiscoAP胖瘦互转

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