How do I erase a Cisco router configuration?

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. Enter reload to reload the router.

How erase Cisco ASA config?

With [ciscoasa# write erase] you will erase configuration file in flash startup-configuration. After this use reload on ASA. You will get cleared ASA configuration file, without DHCP Server any interface configured no ip addresses or NAT as you will get with factory default restart.

How do I reset my Cisco switch to factory settings?

Reset the switch to factory defaults:

1. Erase the existing configuration: write erase.
2. Reload the switch software: reload.
3. In the configuration wizard, enter the basic switch settings: Admin password.
4. When prompted, enter the user name and password to log in to the switch.

How do I reset my Cisco 2960 to factory settings?

Reset a Cisco 2960 Switch To Factory Default Settings

1. Connect up a console cable and power on the switch, whilst holding down the “mode” button:
2. Run the following command to initialize the flash file system:
3. Delete the config.text file from the flash directory:

How do you set up a Cisco switch?

Configuring a Cisco 3548 switch is very simple. Connect the Cisco 3548 switch’s console port with the computer’s com port by using the UTP roll over cable. After physical connection, make a HyperTerminal session and give it any name. The com port setting should be Restore Default in the com port’s properties.

How do you reboot a Cisco switch?

Log in to the web console and choose Administration > Reboot. Click the radio button to reboot the switch at the desired time. Check the Restore to Factory Defaults check box to reboot the switch to the factory default configuration. Click Reboot to reboot the switch.

How do you reset your Cisco password?

Reset Cisco router to default password. If you decide to revert your Cisco router to it’s factory defaults, you should do the 30-30-30 reset as follows: When your Cisco router is powered on, press and hold the reset button for 30 seconds.

Is there free tool to configure Cisco devices?

Cisco offers the Cisco Network Assistant (CNA), a free tool that helps you configure Cisco devices in Cisco’s line of products for small to midsize businesses (SMBs).