Lab 6: Load IOS

 
     -----
    | R1  |
     -----
   f0/0│  .254
       │
       │  192.168.1.0/24
    .1 │
      __  _
     [__]|=|
     /++/|_|                     
  
! 1. Recovery Password
! 2. Backup Startup-config/Running-config
! 3. Update Startup/Running
! 4. Backup IOS to TFTP Server
! 5. Update IOS from TFTP Server
! 6. Recovery IOS from ROMMON
  
 

! 1. Recovery Password

+ Turn off Router
+ Turn on Router
+ Ctrl+ Break (stop boot )  ( SecureCRT , Hyper Terminal, putty , Tera Term (ctrl+ break = alt + b )
( speed 1200 = ctrl + break )
+ Rommon1>confreg 0x2142
+ Rommon2>reset or i
+ Router>enable
+ Router#copy startup-config running-config
+ R#conf ter
+ R(config)#no enable password
+ R(config)#exit
+ R#copy run start
+ R(config)#config-register 0x2102
+ R#show version

! 2. Backup Startup-config/Running-config

R1#copy running-config tftp:

! 3. Update Startup/Running

R1111#copy tftp: running-config 

! 4. Backup IOS to TFTP Server

R1#copy  flash: tftp: 

! 5. Update IOS from TFTP Server

R1#copy tftp: flash: 

! 6. Recovery IOS from ROMMON

Rommon 2 >IP_ADDRESS=192.168.1.254 ( ip of Router )
Rommon 3 >IP_SUBNET_MASK=255.255.255.0
Rommon 4 >DEFAULT_GATEWAY=192.168.1.1 ( ip of server )
Rommon 5 >TFTP_SERVER=192.168.1.1
Rommon 6 >TFTP_FILE=name_IOS.bin
Rommon 7 >FE_PORT=1 (default 0)
	
Rommon 8 >tftpdnld

Do you wish continue? [y/n]:y
Rommon 8>reset