2024年3月29日发(作者：祈香露)
一台cisco 3500不小心删除了FLASH 文件，不能正常BOOT，急，没地方有启动文件下载，
也联系不上cisco ，正急时，我发现网络中还有台cisco3550，于是通过TFTP ,进入/FLASH
目录中，把其中的三个重要启动文件，备份下来，然后打开已不行的那台交换机，等到 SWITCH
提示后，采用XMDOEM方法传送文件到FLASH 目录中，（BOOT XMDOEM /FLASH/ ） ，过两个
小时后，三个文件传送完毕，重新启动后，一切OK！
下面是具体操作信息：
The system is unable to boot automatically because there
are no bootable files to boot.
switch: ?
-- Present list of available commands
boot -- Load and boot an executable image
cat -- Concatenate (type) file(s)
copy -- Copy a file
delete -- Delete file(s)
dir -- List files in directories
flash_init -- Initialize flash filesystem(s)
format -- Format a filesystem
fsck -- Check filesystem consistency
help -- Present list of available commands
load_helper -- Load and initialize a helper image
memory -- Present memory heap utilization information
mkdir -- Create dir(s)
more -- Concatenate (display) file(s)
rename -- Rename a file
reset -- Reset the system
rmdir -- Delete empty dir(s)
set -- Set or display environment variables
set_bs -- Set attributes on a boot sector filesystem
set_param -- Set system parameters in flash
sleep -- Sleep a specified number of seconds
trap -- Cause a software breakpoint to occur
-- MORE --
type -- Concatenate (type) file(s)
unset -- Unset one or more environment variables
version -- Display boot loader version
switch: version ;看交换机版本。
C3500XL Boot Loader (C3500-HBOOT-M) Version 12.0(5.2)XU, MAINTENANCE INTERIM SOF
TWARE
Compiled Mon 17-Jul-00 18:42 by ayounes
switch: dir
List of filesystems currently registered:
flash[0]: (read-write)
xmodem[1]: (read-only)
null[2]: (read-write)
bs[3]: (read-only)
switch: copy xmodem: flash: ；COPY BOOT文件到FLASH
中。
Begin the Xmodem or Xmodem-1K
................................................................................
................................................................................
................................................................................
................................................................................
.....................................
File "xmodem:" successfully copied to "flash:"
switch: copy xmodem: flash: ； 是配置文件
Begin the Xmodem or Xmodem-1K
CCCCCCCCC.
File "xmodem:" successfully copied to "flash:"
switch: copy xmodem: flash:env_vars ；零时文件夹
Begin the Xmodem or Xmodem-1K
CCCCCCCC.
File "xmodem:" successfully copied to "flash:env_vars"
switch: dir
List of filesystems currently registered:
flash[0]: (read-write)
xmodem[1]: (read-only)
null[2]: (read-write)
bs[3]: (read-only)
switch: dir flash: ；看文件是否已经传入FLASH中
Directory of flash:/
2 -rwx 1751936
3 -rwx 1408
4 -rwx 128
1857536 bytes available (1755136 bytes used)
switch: boot ；引导启动
Loading "flash:"...##############################
################################################################################
2024年3月29日发(作者：祈香露)
一台cisco 3500不小心删除了FLASH 文件，不能正常BOOT，急，没地方有启动文件下载，
也联系不上cisco ，正急时，我发现网络中还有台cisco3550，于是通过TFTP ,进入/FLASH
目录中，把其中的三个重要启动文件，备份下来，然后打开已不行的那台交换机，等到 SWITCH
提示后，采用XMDOEM方法传送文件到FLASH 目录中，（BOOT XMDOEM /FLASH/ ） ，过两个
小时后，三个文件传送完毕，重新启动后，一切OK！
下面是具体操作信息：
The system is unable to boot automatically because there
are no bootable files to boot.
switch: ?
-- Present list of available commands
boot -- Load and boot an executable image
cat -- Concatenate (type) file(s)
copy -- Copy a file
delete -- Delete file(s)
dir -- List files in directories
flash_init -- Initialize flash filesystem(s)
format -- Format a filesystem
fsck -- Check filesystem consistency
help -- Present list of available commands
load_helper -- Load and initialize a helper image
memory -- Present memory heap utilization information
mkdir -- Create dir(s)
more -- Concatenate (display) file(s)
rename -- Rename a file
reset -- Reset the system
rmdir -- Delete empty dir(s)
set -- Set or display environment variables
set_bs -- Set attributes on a boot sector filesystem
set_param -- Set system parameters in flash
sleep -- Sleep a specified number of seconds
trap -- Cause a software breakpoint to occur
-- MORE --
type -- Concatenate (type) file(s)
unset -- Unset one or more environment variables
version -- Display boot loader version
switch: version ;看交换机版本。
C3500XL Boot Loader (C3500-HBOOT-M) Version 12.0(5.2)XU, MAINTENANCE INTERIM SOF
TWARE
Compiled Mon 17-Jul-00 18:42 by ayounes
switch: dir
List of filesystems currently registered:
flash[0]: (read-write)
xmodem[1]: (read-only)
null[2]: (read-write)
bs[3]: (read-only)
switch: copy xmodem: flash: ；COPY BOOT文件到FLASH
中。
Begin the Xmodem or Xmodem-1K
................................................................................
................................................................................
................................................................................
................................................................................
.....................................
File "xmodem:" successfully copied to "flash:"
switch: copy xmodem: flash: ； 是配置文件
Begin the Xmodem or Xmodem-1K
CCCCCCCCC.
File "xmodem:" successfully copied to "flash:"
switch: copy xmodem: flash:env_vars ；零时文件夹
Begin the Xmodem or Xmodem-1K
CCCCCCCC.
File "xmodem:" successfully copied to "flash:env_vars"
switch: dir
List of filesystems currently registered:
flash[0]: (read-write)
xmodem[1]: (read-only)
null[2]: (read-write)
bs[3]: (read-only)
switch: dir flash: ；看文件是否已经传入FLASH中
Directory of flash:/
2 -rwx 1751936
3 -rwx 1408
4 -rwx 128
1857536 bytes available (1755136 bytes used)
switch: boot ；引导启动
Loading "flash:"...##############################
################################################################################