Cisco Switching/Routing :: Router Password Recovery Procedure 877
Apr 7, 2012
i just wanna know if it's possible to perform a router password recovery using the reload command and then issue the break sequence instead of doing an off/on on the power switch. i often find in the docs to use the latter.also, is there a way to retain the startup-config on a router when we re-enable the password recovery functionality (no service password-recovery). i've just tried this on one of our 877 and when i hit the break sequence, it went back to factory default setting.
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Oct 20, 2011
where I can find a CLI password recovery procedure for the administrator account?
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Oct 17, 2011
where I can find a CLI password recovery procedure for the administrator account?
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Apr 27, 2011
My bussines have an old PIX 515e and im about to install it in a "testing" eviorment but no one can remeber the password for this old equipment. Is there a way to reset the password?
But when it reboots and I write "enable" in the console it asks for a password, and the password isn't "cisco" as factory default. I really need this firewall up and runing ASAP.
How to reset the "enable"-password?
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Apr 25, 2011
I am trying to reimage a Cisco MARS 25 appliance for the pnadmin password recovery procedure. I am trying to boot the system with Recovery DVD (Version 5.3.2) shipped with the appliance. I connected a VGA monitor and USB keyboard to the appliance and when I do a reboot, I can see the Installation options. Please Choose A MARS Model To Install...
1. Distributed Mars - Local Controller But I am not able to select the Option 1 for the reimaging of Local Controller since my keyboard is not responding for the selections. During the LILO boot process, I can see some error message that 'Keyboard Not Present'. I tried to connect the keyboard to different USB ports and the PS/2 port using a USB to PS/2 adapter. Still keyboard is not functioning.I am able to select the BIOS options while connecting the USB keyboard to appliance. But it is not functioning when booting from Recovery DVD. Also the keyboard is functioning if I boot the appliance directly with previous image. Unfortunately I dont have any PS/2 keyboard available for connecting and admin password for Login.Is there any workaround/solution for supporting the USB keyboard during the Recovery Procedure ?I tried the serial connection with hyperterminal but some junk charaters appear even after setting the recomended Baud rate, parity, flow control etc.The Ethernet console seems not working with the default IP address 192.168.0.101 for eth1.
2. Distributed Mars - Global Controller
3. Mars Operating System Recovery
4. Quit
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May 20, 2010
I understand that the password has to be changed the first time we login to Cisco 3945 router but i failed to do that and its not allowing me to connect using default username/password.
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Feb 18, 2013
I need to break into a 2901 router to recover the passwords. Cisco's methodology for password recovery on 2900 seriews routerssays to remove the compact flash card and reboot into RMON. There is no external compact flash card on a 2901. Is there acompact flash card inside the box? Or can you use the older method of rebooting and then hitting ctl+break to boot into RMON?
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Dec 5, 2012
I'm using the ctrl-break sequence in hyperterminal during the the initial boot, and it's hanging.
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Sep 17, 2012
I am trying to use the password recovery for an NME-16 and am having trouble. I am unable to look at my files in dir to so I can rename them. I can get the switch to bypass the config and come with the switch: prompt, but can not do anything more. I am trying the password recovery guide, but cant get to the text file to rename. I am using a 2811 router.
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Sep 24, 2012
I want to recover the password or set the cisco 3750 to the default password, as forget it
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Jan 1, 2012
I can see the console on the router. (Using the USB console connected to a Macintosh.) I was configuring the router though this console connection, and I created a new user (priv level 15) and removed the default 'cisco' user. So I'm stuck at the username/password login prompt now.
I decided to do the password recovery procedure (via the cisco doc I found etc), but I cannot break into ROMMON during the boot process. I'm not sure if that's because my Mac isn't sending the break, or what.
The pw recovery doc says you can "remove flash" if you can't break into the boot sequence. However, I cannot find any instructions on how to remove the flash. I've opened the router, and I see one very small daughter card on the main board that I think is the flash, but I'm not about to start arbitrarly prying parts off.
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Feb 19, 2013
Currently Being Moderated password recovery
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May 16, 2010
I have one CISCO 6509 Switch in my store. I tired to login in that switch but couldnt.. Once it's booted it's asking me: rd: . Find the attachment. I recover the password by changing confreg value but that also failed.
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Oct 5, 2011
I have a major problem with our core 2801 router. In summary it appears that a staff member disabled password recovery, deleted the IOS and rebooted. Net result is no Rommon and no IOS on the flash. I've read that the Conf-Reg will be reset if I remove the NVRAM but I cannot identify it on the board. If I can get to Rommon I can recover. Currently I don't have Flash reader to restore to flash.
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Jul 14, 2012
i read alot about password recovery , but when i apply it to cisco 7604 it fails ?i went to rommon mode and typed# confreg 0x2142 then i typed reset when the router startup it request a password form me ,i can enter the user mode , and when i type sh ver command i note that the config resgitser is 0x2102 , not 0x2142 !!!!
i could enter the privilage mode !!!! and seems no thing changed ! does this router has a specific password recovery procedure ? which differes than the classic procedure?
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Oct 31, 2011
I have catalys 4507 with TWO supervisor V.I flowed this procedure : url...
after the reset normaly i can change the password and i check the confreg is 0X2142 but it still ask to enter the possword should i remove 1 supervisor and do the procedure or i must let the two spuervisor?
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Sep 7, 2012
I have 2 x 6513 each with dual supervisor 720, and need to recover the enable password, is there a better method than removing one supervisor, disabling redundancy and performing password recovery on the single active supervisor module , before re-inserting the second supervisor and re-enabling SSO/RPR on the still active module.
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Dec 21, 2011
Following procedures get to the switch: dir flash and get the following.....unable to stat flash//: no such device
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Nov 5, 2012
Im trying to access the switch to reset the password to factory defaults (please see switch output Astrix has removed customer identifying information for security purposes.) Each time I reboot the switch and try and access the password recover mode this same output below starts and im still not able to access the recovery area of the switch
cisco WS-C3560G-48PS (PowerPC405) processor (revision F0) with 122880K/8184K bytes of memory.
Processor board ID FOC1133Y28Q
[Code].....
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Feb 9, 2012
I enabled the "no service password-recovery" command on my C2960 switch. All seems to work as discribed. Only issue I have is --- which show command is used to reveal if the password-recovery feature is enabled of disabled as the command doesn't show up in the running config after you enable it ?
NOTE: The command does show up in the C2960 switch in config t mode (unlike the IOS router 2800 series), but doesn't show up in the running-config after you enable or disable it.
On the 2800 series routers (latest IOS) in config t mode the command does not show up but if you type "no service passowrd-recovery" the command function correctly and it does list it in the running configuration.
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May 1, 2012
i need to recover a router Cisco 2801. I lost the password and the "no service password-recovery" is configured. I have done many attempts with the procedure in this link :URL
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Sep 12, 2012
I need to upgrade the IOS and therefore change the flashcard on a router 2811.
What is the procedure to change the flash (64MB to 256MB) on a 2811 router?
I can remove the flashcard when the router has already started, change the flashcard and load the new IOS?
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Dec 3, 2011
we purchase only Cisco Supervisor Engine VS-S720-10G and use it in our old C6509-E chassis.Now the supervisor engine was dead,(means not working and no LED's are ON). How can i claim the RMA from cisco?
We purchase from one of our partner. We send it to them,they are not able to find the Serial number from the Supervisor Engine module (Because lot of serial numbers are on the board). Also the customer through the catoon.
Now how we can know which is exact serial number of sup? How to get RMA from the Cisco on which serial number?
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Aug 22, 2011
Recently I have bought a 2821 router from an auction. The router did have some configuration and password on it. I tried to break into it by restating it and pressing control and pause break signal. Old cisco method. Now when I try this method on my 2821. It does say that password recovery is disabled on the router. After this message router proceed with normal boot process. How to break the password ? Even if I loose the configuration.
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Apr 18, 2013
I am upgrading a Cisco 6506E VSS from 12.2(33)SXI5 to 12.2(33)SXJ5 during a maintenance window. So I have plenty of time to reboot the VSS. Confirm below is the correct procedure. I have manually copied the new IOS to both active and standby Sup720s.
no boot system
boot system flash sup-bootdisk:NEW_IOS.bin
boot system flash sup-bootdisk:OLD_IOS.bin
!
copy run start
reload
I was going through the below cisco document and there are a few more steps as below: Is it necessary?
[URL]
Router(config)# no boot system
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Nov 17, 2011
We have a cisco 2801 router in class which has a disabled password recovery. We tried almost everything, we cannot get into ROMmon and the break sequence doesn't work in any program (hyper terminal, putty, teraterm pro).
Here is the log from hyperterminal:
System Bootstrap, Version 12.3(8r)T9, RELEASE SOFTWARE (fc1)Technical Support: [URL].Copyright (c) 2004 by cisco Systems, Inc.PLD version 0x10GIO ASIC version 0x127c2801 processor with 131072 Kbytes of main memoryMain memory is configured to 64 bit mode with parity disabledReadonly ROMMON initializedPASSWORD RECOVERY FUNCTIONALITY IS DISABLEDprogram load complete, entry point: 0x8000f000, size: 0xc100Initializing ATA monitor library.......program load complete, entry point: 0x8000f000, size: 0xc100Initializing ATA monitor library.......program load complete, entry point: 0x8000f000, size: 0xd49718Self decompressing the image :
[code].....
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Jul 10, 2011
i have a cisco 2811 series router and using for internet router and is working fine.i disabled its password recovery process from router cli like
NO PASSWORD RECOVERY Process Enable now i forgot its username and password and need to recover its password.
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Oct 15, 2012
Is there any shut down proceedure for cisco devices in data center cisco router,switches,firewalls ASA-5580-20,ace-4710 and IPS-4260 devices.
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Apr 23, 2013
I am looking few information on IOS up-gradation for the switch WS-C3750G-48TS-S . I loaded new Image on the flash and current flash and sh boot as below
Switch#sh flash
Directory of flash:/
2 -rwx 8859636 Mar 1 1993 00:08:14 +00:00 c3750-ipservicesk9-mz.122-37.SE.bin
3 -rwx 556 Mar 1 1993 00:02:38 +00:00 vlan.dat
4 drwx 64 Jan 9 2012 03:17:56 +00:00 crashinfo_ext
5 -rwx 5768 Apr 24 2013 04:25:28 +00:00 private-config.text
[code]...
1) I would like to set boot sytem parameter for the new IOS and secondary old IOS as well is below command works??? if IOS not coming up with new one 12.2.58 is it boots with old 12.2-35 ?
boot system flash:c3750-ipservicesk9-mz.122-58.SE2.bin;flash:c3750-ipbase-mz.122-35.SE5
2) If I set only boot system flash:c3750-ipservicesk9-mz.122-58 , if new image corrput swicth will check valid image and boot up with old image ?
3) If switch went to room1 switch mode and still I have valild running IOS c3750-ipservicesk9-mz.122-37.SE.bin at flash memory, how to restore with old image
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Dec 20, 2010
checked all the recovery doc, however, there is no one specific for 3900 series router
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Nov 16, 2011
We need to change the Channel-group settings in 3750 switch from Mode ON to Mode Active. We have tried once by removing the physical interfaces from the port-channel group but we lost the connectivity to the secondary switch. Any step by step procedure without losing the connectivity between switches.
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Jan 15, 2012
I had to format flash and recover. I did the quicker way by using set BAUD 115200...once the .bin was across I forgot to set the baud back to 9600. I have followed instructions: go back to switch: set BAUD 9600 then reset. also tried the unset command. problem is it always comes back up with a BAUD of 115200. CWill I have to label 1 switch as 115200?
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Jan 24, 2007
if it is possible to recover a Cat 6500 that has no code on bootflash from ROMMON, and is it mandatory to have a compact flash card to do the recovery ? or can one use xmodem or TFTP ?
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