In the world of networking, there are times when
you need to bring your router back to its original settings. Whether you're
troubleshooting a configuration error or preparing the device for a new
deployment, knowing the router reset command is essential for every
network engineer.
🔸 What is the Router Reset Command?
The router reset command is used to erase
the saved configuration (startup-config) from NVRAM and reboot the router. This
process resets the device to its factory-default state, making it ready for
fresh configuration.
🔸 Why You Might Need to Use the Router Reset
Command
- To remove old configurations before
deploying the router in a new environment.
- To troubleshoot and fix persistent
configuration errors.
- To clear forgotten passwords and start
fresh.
- To ensure a clean setup for labs and CCNA
practice.
🔸 Step-by-Step: How to Use the Router Reset
Command
Step 1: Access the
Router
Open your terminal or console and connect to the
Cisco router using SSH, Telnet, or Console cable.
Step 2: Enter
Privileged EXEC Mode
enable
Step 3: Erase the
Startup Configuration
erase startup-config
or
write erase
This command removes all saved configurations
from NVRAM.
Step 4: Reload the
Router
reload
When prompted:
System configuration has been modified. Save? [yes/no]: no
Proceed with reload? [confirm]
Step 5: Skip
Initial Configuration
After reboot, the router will ask for initial
configuration. You can skip by typing:
no
then press Enter.
✅ Your router is now
fully reset and ready for a new configuration!
🔸 Additional Reset Options
If you're also working with switches or want a
complete factory reset, use:
delete flash:vlan.dat
erase startup-config
reload
For ROMMON mode (e.g., password recovery):
confreg 0x2142
reset
📌 Final Thoughts
Using the router reset command is a quick
and reliable way to restore your Cisco router to its default state. Whether
you’re studying for CCNA or managing a production network, mastering this
simple command can save time and prevent configuration headaches.
🏁 Key Takeaways:
- The main router reset command is:
·
erase
startup-config
·
reload
- It resets your router to factory settings.
- Ideal for troubleshooting, lab practice, or
new deployments.
🧠 Pro Tip:
Always back up your current configuration before
using the router reset command, especially in a live network
environment.
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