cisco路由器的密码恢复要求:1.掌握 cisco 路由器密码恢复 拓扑: http://img2.51cto.com/attachments/month_1112/20111219_cd9e64be4352163f488fn6zM2bl5zg9A.jpg 配置: 1.在路由重启时,按下ctrl+break键,进入rommon模式
System Bootstrap, Version 12.2(7r) [cmong 7r],> Copyright (c) 2002 by cisco Systems, Inc. C2600 platform with 131072 Kbytes of main memory PC = 0xfff0ac3c, Vector = 0x500, SP = 0x8000438c monitor: command "boot" aborted due to user interrupt rommon 1 > 2.在rommon模式下,修改寄存值为0x2142 rommon 1 > confreg 0x2142 3.重启路由器,使修改后的寄存值生效 rommon 2 > reset 4.进入路由器的手工配置模式 Would you like to enter the initial configuration dialog? [yes/no]: no Router>enable Router# 5.将NVRAM中的startup-config文件copy至running-config中 Router#copy startup-config running-config Destination filename [running-config]? 988 bytes copied in 2.600 secs (380 bytes/sec) device-RT1# 6.进入全局模式,修改用户模式进入特权模式的密码 device-RT1#configure terminal device-RT1(config)#enable password cisco 7.将寄存值还原成0x2102 device-RT1(config)#config-register 0x2102 8.保存配置文件 device-RT1#copy running-config startup-config 注:2500系列路由器的寄存值修改命令为o/r 0x2142,重启命令为i。 cisco交换机的密码恢复 要求:1.掌握 cisco 交换机密码恢复 拓扑: http://img2.51cto.com/attachments/month_1112/20111219_a67f43af040649b2dc08ICkkd5EyD4Ph.jpg
配置: 1.重启交换机,按下交换机上的 MODE键,进入boot模式(10-15s)。 The system has been interrupted prior to initializing the flash filesystem.
The following commands will initialize the flash filesystem, and finish loading the operating system software: