Password Recovery Procedures for Cisco Routers


Step

2500 Series Commands

1700/2600 Series Commands

Step 1: Boot the router and interrupt the boot sequence as soon as text appears on the screen.

Press  >

Press  rommon 1>

Step 2: Change the configuration register to ignore contents of NVRAM.

>o/r 0x2142

rommon 1>confreg 0x2142

>

rommon 2>

Step 3: Reload the router.

>i

rommon 2>reset

Step 4: Enter privileged mode. (Do not enter setup mode.)

router>en

Router>en

Router#

Router#

Step 5: Copy startup-config into running-config.

Router#copy start run

Router#copy start run

...<output cut>...

...<output cut>...

Denver#

Denver#

Step 6: Change the password.

Denver#config t

Denver#config t

Denver(config)#enable secret new

Denver(config)#enable secret new

Denver(config)#

Denver(config)#

Step 7: Reset configuration register back to default value.

Denver(config)#config-register 0x2102

#Denver(config)#config-register 0x2102

Denver(config)#

Denver(config)#

Step 8: Save the configuration.

Denver(config)#exit

Denver(config)#exit

Denver#copy run start

Denver#copy run start

Denver#

Denver#

Step 9: Verify configuration register.

Denver#show version

Denver#show version

...<output cut>...

...<output cut>...

Configuration register is 0x2142 (will be 0x2102 at next reload)

Configuration register is 0x2142 (will be 0x2102 at next reload)

  

Denver#

Denver#

Step 10: Reload the router.

Denver#reload

Denver#reload





CCNA Self-Study(c) CCNA Portable Command Guide
CCNA Portable Command Guide
ISBN: 1587201585
EAN: 2147483647
Year: 2006
Pages: 261
Authors: Scott Empson

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