CISCO 路由器 IOS 升级方法总结(二)
由于不小心使用了命令 erase flash 或升级失败后或在开启(某些型
号)
Cisco 路由器的电源开关后 30 秒内按下 Ctrl+break 键,中断路由器的正
常启动,路由器都会进入
rom
监视模式,即
rommon 1>,在这种情形下,
对路由器的
IOS 进行升级,情况要稍微复杂一点。在 rommon 1>状态下,可
键?请求帮助。(
1 为命令行序号,每执行 1 条命令自动加 1)
QUOTE:rommon 1 > ?
alias set and display aliases command
boot boot up an external process
break set/show/clear the breakpoint
confreg configuration register utility
cont continue executing a downloaded image
context display the context of a loaded image
cookie display contents of cookie PROM in hex
dev list the device table
dir list files in file system
dis display instruction stream
dnld serial download a program module
frame print out a selected stack frame
help monitor builtin command help
history monitor command history
meminfo main memory information
repeat repeat a monitor command
reset system reset
set display the monitor variables