Question about Cisco 2801 Voice PVDM2-8 FL-SRST-24 SP Serv 64F/256D Refurbished CISCO2801SRSTK9RF Router

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Cisco router startup config

Is it possible to make a configuration without restart after making wr erase for cisco routers ?

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Yes thats possible.

Posted on Dec 18, 2008

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3 Answers

How to retrieve Cisco router password without losing configuration?


You can't, otherwise there would be no point in having a password would there!

Dec 24, 2016 | Cisco Computers & Internet

Tip

Why lose a router settings after a power outage?


Question:<br> After a power outage <a href="http://www.3anetwork.com/cisco-1900-series-routers-price_c12"><b>Cisco 1900</b></a> lost my router configuration, was saved, reload the configuration, save, reboot and no problem.<br> How to know if my router is properly, all my services run smoothly? Why it happens that configuration is lost?<br> Are there any benefits the settings saved in flash?<br> Answer:<br> Did you check if the NVRAM was empty or running config was empty?<br> If router booted with empty running config, it could be that startup got erased (NVRAM issue) or that it did not load it from startup to running (likely config-reg) issue.<br> Since in your case config-register ix 0x2102 and was not changed, the problem should be with NVRAM.<br> From me exprience, I have seen that in the following cases:<br> - config was not saved to NVRAM;<br> - at the time of powerdown the NVRAM startup file was accessed for editing (e.g. saving running config) and got corrupted or erased;<br> - NVRAM HW issues cause file system problems.<br> Is it reproducible in your case? E.g. if you powercycle the switch, do you see the same problem with config loss? If yes, check the NVRAM content. <a href="http://www.3anetwork.com/cisco-1900-series-routers-price_c12"> <b>Cisco 1900 router</b></a> That could give some hints.

on Aug 22, 2013 | Cisco Computers & Internet

1 Answer

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 | Computers & Internet

1 Answer

What is the default password for cisco


There are two main methods to return a Cisco router to its original factory defaults. These two methods are described below.
Method 1
1. uses the config-register 0x2102 command in global configuration mode.
2. Check the configuration register on the router by issuing the show version command.
3. The configuration register setting is displayed in the last line of the show version command output and should be set to 0x2102. If this is not the case, enter the config-register 0x2102 command once in global configuration mode.
router#configure terminal
router(config)#config-register 0x2102
router(config)#end
router#
4. If the show version command is issued again, the same line in the command output will have '(will be 0x2102 at next reload)' appended to the current register setting.
5. Erase the current start-up configuration on the router with the write erase command.
Reload the router with the reload command. When prompted to save the configuration, DO NOT save.
router#reload
System configuration has been modified. Save? [yes/no]: n
Proceed with reload? [confirm]
Once the router reloads, the System Configuration Dialog appears.
--- System Configuration Dialog ---
Would you like to enter the initial configuration dialog? [yes/no]:
The router is now reset to the original factory defaults.
Method 2
1. uses the config-register 0x2142 command in global configuration mode.
2. Enter the config-register 0x2142 command in global configuration mode.
router(config)#config-register 0x2142
This causes the router to ignore the start-up configuration on the next reload. If a show version is issued, the last line in the command output will have '(will be 0x2142 at next reload)' appended to the current configuration register setting.
3. Reload the router using the reload command in enable mode. It is not necessary to save when prompted to save the system configuration.
router#reload
System configuration has been modified. Save? [yes/no]: n
Proceed with reload? [confirm]
After the router has reloaded, the System Configuration Dialog appears.
4. Enter no to the question "Would you like to enter initial configuration dialog?"
5. Change the configuration register setting to 0x2102 by entering the config-register 0x2102 command once in global configuration mode.
6. Issue the write memory command in enable mode to overwrite the existing start-up configuration with the current running configuration.
7. Reload the router with the reload command in enable mode.
Once the router reloads, the System configuration Dialog appears.
--- System Configuration Dialog ---
Would you like to enter the initial configuration dialog? [yes/no]:
The router is now reset to the original factory defaults.
Note: The configurations below are stored in ROMMON, and cannot be reset to Factory Default Settings by the write erase or config-register 0x2142 commands.
warm-reboot
memory-size iomem <not default>

Jun 18, 2013 | Computers & Internet

2 Answers

Change user name


Hello,

Please indicate the Model of the router you are referring to.

If its Cisco, first do a no username xxx password nnn command on the existing configuration. Then on the global configuration mode insert a new command with the new username and password. See example below:

#configure terminal
(config)# no username old-username password old-password
(config)# username new-username privilege 15 password new-password
(config)# exit
# wr memory

May 05, 2011 | Computers & Internet

2 Answers

I have forgotten my passwork to my wireless cisco linksys E3000, how do I go about retrieving it?


he WEP key is defined by the person who set your wireless router up. You will not be able to find out what the WEP key is, but you CAN change it if you have physical access to the router. If you are trying to connect to your wireless router and can't remember the WEP, then walk over to the router and on the back or bottom of it is a small little hole that you can fit a pen or paper clip into. Press the paper clip into the little hole for 10 seconds and release. This will reset all the settings on your router back to default and will allow you to access your wireless connection.

Note: doing this will take away all of your wireless security so make sure that you know what you're doing before messing with it!

Thanks and please rate if this helps you at all :).

Mar 29, 2011 | Cisco Linksys Refurbished E3000...

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 to reboot a cisco router?


From the privileged mode that is the # prompt type reload it will reload the router.

Router# reload

Please save your configuration otherwise it will be lost. Use the following command to save your running configuration.

Router# copy running-config startup-config

Jun 18, 2010 | Cisco Catalyst 4006 Chassis ( 4006)

1 Answer

Cisco ASA 5505 Firewall


1. Change your PCs default gateway to your firewalls' internal IP

2. configure the nameservers on your ASA

Then internet will work fine.

May 23, 2009 | Cisco ASA 5510 Anti-X Edition...

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