Switch Cisco 2960/3560 = >; recovery password and default settings with the button Mode
Hi Experts,
I have some confusion with the button Mode with cisco 2960/3560 switches.
I read on many forums and articles, but where things are not clear.
a place given 3 seconds and somewhere is given 7 or 10 seconds.
Qus1), what is the exact time to press/hold Mode button to perform two following tasks:
A. password recovery (according to my knowledge 3 sec) good or bad?
Configuration of the switch (start + run) would be safe
After the recovery of password? Yes or no
B. factory default (according to my knowledge 10 dry) good or bad?
I'm afraid, because if I press mode button more than 3 seconds, then
It will delete any configuration of cisco switch. Yes or no
Qus2) I want to recover the catalyst 2960/3560 switch password without
Start/run configuration to lose. That is my main concern.
Please tell me how to do this, what will be the time keeping Mode buttom
in a few seconds?
Qus3) which means this line
"If the password recovery mechanism is disabled in switch
then you will lose all the config.
This sentence has been given on this forum url
https://supportforums.Cisco.com/thread/140848
KS
Attach a terminal or PC with terminal emulation (for example, Hyper Terminal) port console switch.
Use the following terminal settings:
Bits per second (baud): 9600
Data bits: 8
Parity: None
Stop bits: 1
Flow control: Xon/Xoff
Note: For more information on the wiring and connection of a terminal to the console port, refer to connecting a Terminal to the Console Port of Catalyst switches.
Unplug the power cable.
The power switch and take it to the switch: command prompt:
2900XL, 3500XL, 2940, 2950, 2960, 2970, 3550, 3560, and 3750 switches of the series, to do this:
Press and hold the mode button located on the left side of the façade, while you reconnect the power cable from the switch.
2960, 2970 | Release the Mode button when the SYSTEM LED flashes orange and then turns green. When you release the Mode button, the SYSTEM LED flashes green. |
3560, 3750 | Release the Mode button after about 15 seconds when the SYSTEM LED turns green. When you release the Mode button, the SYSTEM LED flashes green. |
The system was interrupted before the flash at the end file system initialization
loading the operating system software:
flash_init
load_helper
boot
switch:
Run the flash_init command.
switch: flash_init Initializing Flash... flashfs[0]: 143 files, 4 directories flashfs[0]: 0 orphaned files, 0 orphaned directories flashfs[0]: Total bytes: 3612672 flashfs[0]: Bytes used: 2729472 flashfs[0]: Bytes available: 883200 flashfs[0]: flashfs fsck took 86 seconds ....done Initializing Flash. Boot Sector Filesystem (bs:) installed, fsid: 3 Parameter Block Filesystem (pb:) installed, fsid: 4 switch: !--- This output is from a 2900XL switch. Output from !--- other switches will vary slightly.
Run the load_helper command.
switch: load_helper switch:
Question the dir flash: command.
Note: Be sure to type a colon ":" after the dir flash.
Appears in the file system of the switch:
switch: dir flash: Directory of flash:/ 2 -rwx 1803357 c3500xl-c3h2s-mz.120-5.WC7.bin !--- This is the current version of software. 4 -rwx 1131 config.text !--- This is the configuration file. 5 -rwx 109 info 6 -rwx 389 env_vars 7 drwx 640 html 18 -rwx 109 info.ver 403968 bytes available (3208704 bytes used) switch: !--- This output is from a 3500XL switch. Output from !--- other switches will vary slightly.
Type rename flash: flash: config.old config.text to rename the configuration file.
switch: rename flash:config.text flash:config.old switch: !--- The config.text file contains the password !--- definition.
Issue the boot command to boot the system.
switch: boot Loading "flash:c3500xl-c3h2s-mz.120-5.WC7.bin"...############################### ################################################################################ ###################################################################### File "flash:c3500xl-c3h2s-mz.120-5.WC7.bin" uncompressed and installed, entry po int: 0x3000 executing... !--- Output suppressed. !--- This output is from a 3500XL switch. Output from other switches !--- will vary slightly.
Enter "n" at the prompt to abort the initial configuration dialog box.
--- System Configuration Dialog --- At any point you may enter a question mark '?' for help. Use ctrl-c to abort configuration dialog at any prompt. Default settings are in square brackets '[]'. Continue with configuration dialog? [yes/no]: n !--- Type "n" for no. Press RETURN to get started. !--- Press Return or Enter. Switch> !--- The Switch> prompt is displayed.
At the switch prompt, type en to enter a mode.
Switch>en Switch#
Password recovery
Type rename flash: config.old flash: config.text to rename the configuration file with its original name.
Switch#rename flash:config.old flash:config.text Destination filename [config.text] !--- Press Return or Enter. Switch#
Copy the configuration file in the memory.
Switch#copy flash:config.text system:running-config Destination filename [running-config]? !--- Press Return or Enter. 1131 bytes copied in 0.760 secs Sw1#
The configuration file is now reloaded.
Replace the current passwords that you do not know. Choose a password with at least one capital letter, one number and one special character.
Note: Replace passwords that are required. You must crush not all passwords listed.
Sw1# conf t !--- To overwrite existing secret password Sw1(config)#enable secret !--- To overwrite existing enable password Sw1(config)#enable password !--- To overwrite existing vty password Sw1(config)#line vty 0 15 Sw1(config-line)#password Sw1(config-line)#login !--- To overwrite existing console password Sw1(config-line)#line con 0 Sw1(config-line)#password
Write the running configuration in the configuration file with the write memory command.
Sw1#write memory Building configuration... [OK] Sw1#
For factory reset:
do not give under the control of factory reset
Switch#copy flash:config.text system:running-config
can I copy the running configuration to Flash
Switch flash running-config #copy:
Destination file name [running-config]?
Building configuration...
[OK]
Switch #copy running-config startup-config
Name of destination file [startup-config]?
Building configuration...
[OK]
Review the link for more information below
Please note the useful messages.
Concerning
Vesta
"Everybody is genius." But if you judge a fish by its ability to climb on a tree, he will live his entire life, believing that this is stupid. "
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