Asked by: Primitivo Lanchas
technology and computing computer networking

How do I remove startup config?

Enter configure terminal to go to Global Configuration Mode. Enter config-register 0x2102. Enter end, and then enter the write erase command to delete the current startup configuration on the router.

Furthermore, what does erase startup config do?

To reset the switch to factory default, issue the erase startup-config or write erase command. This command does not clear the boot variables, such as config-register and boot system settings.

Secondly, how do you set a Cisco switch to default? Steps
  1. Reset the switch to factory defaults: Erase the existing configuration: write erase. Reload the switch software: reload.
  2. Save the configuration: IP_switch-A-1# copy running-config startup-config.
  3. Reboot the switch and wait for the switch to reload: IP_switch-A-1# reload.

Then, why is it necessary to erase the startup configuration before reloading the router?

Answer: It is necessary to erase the startup configuration before reloading so that previous configurations would be reset and it won't be hard to troubleshoot if an error occurs. It is so that we wills tart with a clean state.

How do I clear a Cisco switch?

Completely Clearing a Cisco Switch… The Easy Way! Hold the "mode" button on the front of the switch for 10 seconds. The lights will blink then go solid – the switch completely wipes all configuration and then reboots.

Related Question Answers

Oscar Voots


Does write erase delete flash?

Re: "write erase" command. VLANs are not saved in the NVRAM, but in the flash in a totally independent file named VLAN. dat, if you erase that startup-config, you will not delete the VLAN. dat file.

Haiou Araslanov


How do I configure a switch?

How to configure Cisco switches – A step by step guide
  1. 1 Before We Begin: Know What Hardware You're Using and Download PuTTY.
  2. 2 Connect the Switch to PuTTY.
  3. 3 Enter Privileged EXEC Mode and Set a Hostname for the Switch.
  4. 4 Assign a Password to the Switch.
  5. 5 Configure Telnet and Console Access Passwords.
  6. 6 Configure IP Addresses With Telnet Access.

Javier Rajat


How do you reset your router?

Reset Router to Default Configuration
  1. With the router powered off, connect the power cord to your router, and plug the power cord into your power source.
  2. Find the Reset button on the router.
  3. Press and hold the Reset button while you power on the router.
  4. Release the Reset button after 10 seconds.
  5. Wait 5 to 10 minutes for the router to finish booting.

Jia Ladyjnikov


How do you wipe a switch?

Complete These Steps:
  1. Select System Settings on the HOME Menu.
  2. Scroll down to System, and select it.
  3. Scroll all the way down to the bottom of the menu, and select Formatting Options.
  4. Select Initialize Console to delete all data in the system memory.

Ahlame Lunkenheimer


What is cr in Cisco configuration?

The <cr> symbol ("cr" stands for carriage return) appears in the list to indicate that one of your options is to press the Return or Enter key to execute the command, without adding any additional keywords. ( same as thon's reply, exctract from

Londa Otain


How do I delete a VLAN?

Remove the VLAN by performing one of the following steps:
  1. To delete the VLAN temporarily, use the -t option as follows: # dladm delete-vlan -t vlan.
  2. To make the deletion persist, perform the following: Remove the VLAN. # dladm delete-vlan vlan. Remove the /etc/hostname. vlan-interface file.

Enna Utard


How do you reload a Cisco switch?

To reload the switch, enter either of the following commands:
  1. reload - Use the reload command to reload the switch immediately.
  2. reload {{in hhh:mm | mmm | at hh:mm [day month]}} - Use this command to specify scheduled switch reload.

Madie Veltens


How do I turn off DNS lookup?

Type "no ip domain-lookup" at the command prompt and press “Enter.” The command prompt returns and the DNS lookup function is disabled on the router. Type “exit” and press the “Enter” key to exit configuration mode. The command prompt returns to “router>.” You should receive the verification “no ip domain lookup.”

Jamileth Skopal


How do you initialize and reload a router and switch?

Part 3: Initialize the Switch and Reload
  1. Step 1: Connect to the switch.
  2. Step 2: Determine if there have been any virtual local-area networks (VLANs) created.
  3. Step 3: Delete the VLAN file.
  4. Step 4: Erase the startup configuration file.
  5. Step 5: Reload the switch.
  6. Step 6: Bypass the initial configuration dialog.

Vili Milligan


How do I delete a router in Packet Tracer?

If you want to clear the configuration of your cisco router follow these steps:
  1. Log on to your router.
  2. Enter the privileged EXEC by typing enable command.
  3. At privileged EXEC mode type write erase, which will erase the NVRAM file system and removes all files.
  4. Confirm that you want to erase all files at prompt.

Zhongmin Deulenko


How do you reset a Techroute switch?

To reset a smart switch using the web management interface:
  1. In your web browser address field, enter your smart switch IP address.
  2. Enter your case-sensitive password and click Login.
  3. Select Maintenance > Reset > Factory Default.

Pabla Remeslo


What is default password for Cisco switch?

The Cisco SG300-28 switch has the default password of cisco. The password is case sensitive so it must be entered that exact way—don't capitalize Cisco! Along with this password, like most Cisco devices, the SG300-28 uses the default username of cisco to login with administrative privileges.

Santosh Gschwendner


How do I wipe a Cisco 3750 switch?

There is another method:
  1. Break the stack;
  2. Power up the switch individually;
  3. Hold down the "Mode" button for 30 seconds and release;
  4. The switch will reboot into factory default;
  5. Console into the switch;
  6. Delete the files VLAN.dat, VLAN.dat.backup, config.text, config.text.backup.
  7. Renumber the stack.

Brigitta Smitmans


How do I log into my Cisco router?

Open your web browser and navigate to 192.168.
Open your browser and type the router's IP address into the address field. The most common IP for Cisco routers is: 192.168. 1.1 If that IP address doesn't work, you can search the default Cisco IP address list for your specific model.

Sancho Albaladejo


Why is it important to configure a hostname on a device?

Explanation:It is important to configure a hostname because various authentication processes use the device hostname. Hostnames are helpful for documentation, and they identify the device during remote access.

Eitan Surek


How do I reset my extreme switch to factory settings?

Extreme Switch - Reset to factory default when the password is unknown
  1. Power cycle the switch while connected to the console port.
  2. When prompted, press and hold the spacebar to enter the boot rom.
  3. At the boot rom prompt, type the command config none.
  4. Type the command boot to continue the boot process.

Emiliyan Schrottenbaum


How do I get to privileged EXEC mode?

To get into Privileged Mode we enter the "Enable" command from User Exec Mode. If set, the router will prompt you for a password. Once in Privileged Mode, you will notice the prompt changes from ">" to a "#" to indicate that we are now in Privileged Mode.

Miroslava Cholbi


How do I console into a Cisco switch?

Make sure that you have correct console connection to Cisco Router or Switch. Connect the RJ45 jack of your console cable to the console port of your Cisco Router or Switch. Connect the other end to the Serial port of your computer. Refer the following link to know more about console port and console cable.