Cisco AP 胖瘦互转

2024-11-16 技术教程

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：

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/forceflash:/c1140-k9w7-mx.124-21a.JA1ap#dirDirectoryofflash:/2-rwx321726Apr25200202:53:27+00:00crashinfo_20020425-0253243-rwx1048Apr25200204:41:14+00:00private-multiple-fs4-rwx347860Apr25200202:52:14+00:00crashinfo_20020425-0252116-rwx220Mar1200200:00:06+00:00env_vars155-rwx332858Apr25200202:54:31+00:00crashinfo_20020425-025427156-rwx339520Apr25200202:55:51+00:00crashinfo_20020425-025548157-rwx333434Apr25200202:57:02+00:00crashinfo_20020425-025659158-rwx323027Apr25200203:02:28+00:00crashinfo_20020425-030225159-rwx352748Apr25200204:00:12+00:00crashinfo_20020425-040009160-rwx354734Apr25200204:26:02+00:00crashinfo_20020425-042559162-rwx5Apr25200204:37:49+00:00private-config32385024bytestotal(29672960bytesfree)

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