Cisco Password Recovery

Step 1
Enter Break Sequence mode (i.e. CTRL + Break)

Step 2

change the confreg from 0x2102 to 0x2142
rommon 1 > confreg 0x2142
You must reset or power cycle for new config to take effect
rommon 2 > reset
System Bootstrap, Version 12.2(1r)XE2, RELEASE SOFTWARE (fc1)
TAC Support: http://www.cisco.com/cgi-bin/ibld/view.pl?i=support
Copyright (c) 2001 by cisco Systems, Inc.
C827 platform with 32768 Kbytes of main memory

program load complete, entry point: 0x80013000, size: 0x3c93dc
Self decompressing the image : ######################################################################################################################################################################################################################################################################################################################################################################################################################################## [OK]

Step 3

— System Configuration Dialog —

Would you like to enter the initial configuration dialog? [yes/no]: n

Step 4

Router>enable
Router#copy startup-config running-config

Step 5
Router#conf t
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#enable secret [Password]

Step 6
NO shut all the interfaces

Step 7
Router#configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#config-register 0x2102

Step 8
Router#wr mem

Step 9
Router#Sh ver
Cisco Internetwork Operating System Software
IOS ™ C820 Software (C820-Y6-M), Version 12.2(4)YA4, EARLY DEPLOYMENT RELEASE
SOFTWARE (fc1)

…….

Configuration register is 0x2102

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