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Cisco router 857

When i select enable in a terminal, it asked me for password but i dont know password.

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  • shailesh101 Feb 19, 2009

    all cisco router and switch password

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Hi Anthony-

The default username is "cisco" and the default password is "cisco" as well.


Posted on Nov 30, 2008

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How do I reset my password?


In the below example i'm setting password as cisco for enable mode & Virtual terminals of router
1)Connect to the router and follow the below steps
Router>
Router>enable
Router#configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#enable secret cisco
Router(config)#line vty 0 4
Router(config-line)#password cisco
Router(config-line)#login
Router(config-line)#exit
Router#exit
Router con0 is now available
Press RETURN to get started.


Test:
Router>enable
Password: (type cisco to enter into the router privilaged mode)
Router#

Aug 09, 2015 | Routers

Tip

Guide to Reset Password on a Cisco Router


How do I reset the password on my Cisco router?<br />I bought a Cisco 1700 router from an auction, but there is a password. How can I reset the router to original factory specifications? <br /><br />Sky sagem wireless router reset password? I just got this sky wireless router second hand and it has a password set on it. i tried to press the reset button at the back but it does not do any thing, it still comes as a password is set.<br /><br />How to reset password on dlink wireless router? I have a dlink wireless router model number DIR 825 . It works good but I am trying to access internet on my ipod and the password i have set is incorrect , this also happened when i tried to access internet on my laptop. When i first set up my ps3 i dont recall having to put a password in but this was when i first got the router. How do i reset the router password or find out what the password is AND if i reset the password or reset my router will my ps3 have to be reconnected or will it stay?<br /><br />How to reset password on a router? I recently acquired a linksys router (used) and need to know how to reset the password so that I can use it. Also, is there any way to modify a router to be useful as a cell/wifi blocker, or as a signal booster?<br />... <br /> ----From Yahoo Answers<br /><br /><br />To reset password on a Cisco/D-link/Linksys/Netgear router is a very common problem among people who want a secure network environment for surfing on the internet. If you are confused with the complicated procedure to reset or change the password on a router, or if you are trying to configure a Cisco router, but a password is blocking you from enable mode, don't worry, just do the steps as follows, password reset on a router is no longer upset to everyone.<br /><br />First, be informed that what you need:<br />.<a href="http://www.router-switch.com/Price-cisco-routers_c1">Cisco Router</a><br />.Computer<br />.Internet Connection<br />.Blue Serial Cable<br /><br />Guide for You to Reset Password on a Cisco Router:<br />1. Download a program called Putty from the first resource site below. PuTTy is a terminal emulator application which can act as a client for the SSH, Telnet, rlogin, and raw TCP computing protocols (PuTTy on Wikipedia).http://en.wikipedia.org/wiki/PuTTY<br /><br />2. Connect one end of the blue serial cable to the Cisco Router and the other to your computer. Open up the Putty program on your computer and select the radio button next to "serial" on the right-hand side of the start window. Click on the "Open" button in the bottom right-hand corner of the Putty start window to open the terminal.<br /><br />3. Power the Cisco Router on. As soon as the router begins loading in the green and black Putty terminal window, press the "Ctrl" and "Break" keys simultaneously until its going into rommon mode.<br /><br /><br />4. Once in rommon mode, you have to change the configuration register number to make the router boot from a blank configuration file. For the 2800 series Cisco Routers, the command "confreq 0x2142", changing the register number to 2142, worked. Search on cisco.com for information on your particular <a href="http://www.router-switch.com/Price-cisco-routers_c1">Cisco Router Series</a>.<br /><br />5. Type the restart command in rommon mode, which is "reset". This will boot the router up again. When it is finished, you should be able to type "en" to get into enable mode without a password.<br /><br />6. Once you change the running-config in RAM and save it to the startup-config in NVRAM, remember to change the configuration register number back to its default (usually 0x2102). This is important if you change anything on the running-config. <br /><br />Easy five steps help you finish resetting password on a Cisco router. Easy instruction, easy to follow. <br /><br />

on Jul 19, 2011 | Routers

1 Answer

Breaking password on cisco 857w


When the router first starts booting you need keep hitting the break sequence which should be crtl+F6 and that should bring you to ROMMON mode. you should get a prompt rommon 1>, that means you did it right. Now you need to change the configuration registers to 0x2142 by typing "confreg 0x2142". then type reset to restart the router. It should now ignore the saved config. hit crtl+c to cancel the initial setup, type "enable" to get to the enable prompt. Next type "copy startup-config running-config" to copy the startup configuration to the running configuration. Next type "configure terminal" to enter global configuration mode. Now you can type "enable secret <password>" to change the password to what you want. Last you need to change the config registers back to 0x2102 by entering the command config-register 0x2102.

Feb 17, 2012 | Cisco 857 ADSL Wireless Router...

1 Answer

Iam trying to connect my sony kdl hx 700 to wireless network and my ps3 but my router is a cisco 857 can it be done?


There are 2 models of the Cisco 857 router. You must have the the Cisco 857W in order to support 802.11b/g wireless. The 857 without the "W" will not support it.

Jan 08, 2011 | Cisco 857 Router (CISCO857K9)

1 Answer

Hi i have 1841 router what is the default user name password for this i tryed with user name passowrd as cisco but is saying that no user cisco pls help me



  • Follow these steps in order to recover your password:
    1. Attach a terminal or PC with terminal emulation to the console port of the router.
      Use these terminal settings:
      • 9600 baud rate
      • No parity
      • 8 data bits
      • 1 stop bit
      • No flow control
    2. If you can access the router, type show version at the prompt, and record the configuration register setting.
      Note: The configuration register is usually set to 0x2102 or 0x102. If you can no longer access the router (because of a lost login or TACACS password), you can safely assume that your configuration register is set to 0x2102.
    3. Use the power switch in order to turn off the router, and then turn the router back on.
      Important Notes:
      • In order to simulate this step on a Cisco 6400, pull out and then plug in the Node Route Processor (NRP) or Node Switch Processor (NSP) card.
      • In order to simulate this step on a Cisco 6x00 with NI-2, pull out and then plug in the NI-2 card.
    4. Press Break on the terminal keyboard within 60 seconds of power up in order to put the router into ROMMON.
      If the break sequence does not work, refer to Standard Break Key Sequence Combinations During Password Recovery for other key combinations.
    5. Type confreg 0x2142 at the rommon 1> prompt in order to boot from Flash.
      This step bypasses the startup configuration where the passwords are stored.
    6. Type reset at the rommon 2> prompt.
      The router reboots, but ignores the saved configuration.
    7. Type no after each setup question, or press Ctrl-C in order to skip the initial setup procedure.
    8. Type enable at the Router> prompt.
      You are in enable mode and should see the Router# prompt.
    9. Type configure memory or copy startup-config running-config in order to copy the nonvolatile RAM (NVRAM) into memory.
      Important: Do not type copy running-config startup-config or write. These commands erase your startup configuration.
    10. Type show running-config.
      The show running-config command shows the configuration of the router. In this configuration, the shutdown command appears under all interfaces, which indicates all interfaces are currently shut down. In addition, the passwords (enable password, enable secret, vty, console passwords) are in either an encrypted or unencrypted format. You can reuse unencrypted passwords. You must change encrypted passwords to a new password.
    11. Type configure terminal.
      The hostname(config)# prompt appears.
    12. Type enable secret password> in order to change the enable secret password. For example:
      hostname(config)#enable secret cisco
    13. Issue the no shutdown command on every interface that you use.
      If you issue a show ip interface brief command in privilege EXEC mode, every interface that you want to use should display up up. For example:
      Router#show ip interface brief
    14. Type config-register configuration_register_setting>. Where configuration_register_setting is either the value you recorded in step 2 or0x2102 . For example:
      hostname(config)#config-register 0x2102
    15. Press Ctrl-z or end in order to leave the configuration mode.
      The hostname# prompt appears.
    16. Type write memory or copy running-config startup-config in order to commit the changes.

Jul 02, 2010 | Cisco (1841) Router (cisco1841)

1 Answer

How can i config my DSL acount in cisco 857


with a dialer interface:
interface Dialer0
description $FW_OUTSIDE$
ip unnumbered Ethernet0
ip access-group sdm_dialer0_in in
no ip redirects
no ip unreachables
no ip proxy-arp
encapsulation ppp
ip route-cache flow
dialer pool 1
dialer-group 1
ppp authentication chap callin
 ppp chap hostname xxxxxxxxxxxxxxx
 ppp chap password xxxxxxxxxxxxxxxxxxx

Mar 10, 2010 | Cisco 857 Router (CISCO857K9)

1 Answer

Cisco router 857


hey you are saying that you want to configure the router,, but rommon mode is for breaking the password....do u forget the password of the router......can you explain why u need to log in through rommon mode

Nov 30, 2008 | Cisco 857W (882658019555) Router

1 Answer

Cisco 857 router


You might need to reset the password. In order to do this, follow these directions:

  1. Console into the router, then power cycle it. As its rebooting hit the "break | pause" button on your keyboard, and you get to the rommon1> prompt.
  2. Then type rommon1>confreg 2142 rommon2>reset
  3. The router comes back on as if it were new---answer no to the first question, and sometimes it asks a second question (do you want to terminate autoinstall, or something...)---answer yes to the secondquestion if it asks. Then hit enter and you get router> in a few seconds.
  4. Then router>en router#copy start run

create a new account:
  1. router#conf t
  2. router(config)#username bob priv 15 password bob
set register back:
  1. router(config)#confreg 0x2102
  2. router(config)#exit
  3. router#wr
  4. router#reboot

and that should let you login with bob/bob

Nov 30, 2008 | Routers

1 Answer

I have cisco router 857 and dont know how to configure


Hi!
You can access the user manual for your router by going to:  http://www.cisco.com/en/US/docs/routers/access/800/850/software/configuration/guide/857sg_bk.pdf

But simply put,  - You have to enable the web interface in Hyperterminal/Telnet/Terminal - To connect to your router this way, open your Terminal and type the following commands in order:
1) enable (enter password if necc.) 2.) config term 3.) ip http server (this command might also be set to "no ip http server") 4.) exit
After doing the above: 1.) Press Cntrl+Z 2.) Go to Copy, Run, Start 3.) Open your browser and go to "10.10.10.1"
Good luck! -TJ

Nov 30, 2008 | Cisco 857 Router (CISCO857K9)

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