Password Recovery Guidelines

Donna's Cisco Password Recovery Guidelines www.cisco.com/warp/public/474/index.shtlm*Break Key Sequence

HyperTerm/SecureCRT

Ctrl+Break

ProComm/TeraTerm

Alt+B

2000, 2500, 3000, 4000, 70001600, 1700, 2600, 3600, 4500, 4700, 5500, 6000, 7500CatOS 2900, 5000, 6000 Switches
1. Establish console session. 9600b, 8d, 0p, 1s, no flow control.1. Establish console session. 9600b, 8d, 0p, 1s, no flow control.1. Establish console session. 9600b, 8d, 0p, 1s, no flow control.
2. Power cycle and press Break key* within first 60 seconds.2. Power cycle and press Break key* within first 60 seconds.2. Power cycle. Within first 30 seconds press Enter for user password, get into enable mode, and also press Enter for enable password.
3. Observe and record config-register. Normally 0x2102. >o3. Observe and record config-register. Normally 0x2102. rommon1>confreg3. Change the passwords as usual using set pass and set enablepass.
4. Change config-register to ignore startup-config (NVRAM).

>o/r 0x2142

Then initialize with >i
4. Change config register to ignore startup-config (NVRAM).

>confreg 0x2142

>reset
4. Since these devices write their config automatically you should only need to test your passwords.
5. Press Ctrl+C to break out of setup mode.5. Follow Steps 5–9 for the 2000, 2500, 3000, 4000, and 7000 to the left. 
6. From enable mode, type copy start run but do not exit. (Old command is config mem.)2900XL, 3500XL, 2950, 3550 Switches
7. Restore the config-register and bring up all interfaces.

r1(config)#config-reg 0x2102

r1(config)#int s0

r1(config-if)#no shut
1. Establish console session.

9600b, 8d, 0p, 1s, no flow control

(If you had previously enabled boot-enable break, the device would respond like a router and you could follow the procedures from there.)
8. Record or change the passwords.

r1#sh run (or sh config)

r1#config t

r1(config)#enable pass donna

r1(config)#enable secret harrington

r1(config)#line vty 0 4

r1(config-line)#pass donna

r1(config-line)#end
2. Unplug the power cable from back of switch. Reconnect while you hold the front panel mode button. Release the mode button a couple seconds after the first port on the switch is no longer illuminated. You should see a message about the system being interrupted prior to the Flash memory file system initializing.
9. Save the configuration and reload.

r1#copy run start (or wr mem)

r1#reload

r1#sh version
3. Type flash_init and then type load_helper. You can list the files in flash with dir flash:, and the default configuration is config.text.
 4. Type more flash:config.text to view the passwords. If not encrypted, you are done. If encrypted, go to Step 5.
5. Rename the configuration file as follows: rename flash:config.text flash:config.old.
6. Boot the system with the boot command. Answer n for no to start setup. Go to enable mode by typing enable, but do not exit.
7. Rename the configuration file to its original name as follows: rename flash:config.old flash:config.text.
8. Copy the configuration file to memory with the config mem or copy flash:config.text system:running-config command. Accept config.text as the source and running-config as the destination filenames.
9. Change the passwords.

enable password donna

enable secret harrington
10. Save your configurations. copy run start (or wr mem)

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