How to Use Rommon Mode on Cisco Router in Cisco Packet Tracer | SYSNETTECH Solutions ► Article ► Read More ⬇️
✅ S U B S C R I B E ► video shows you how to use Rommon Mode on a Cisco Router using the Cisco Packet Tracer network simulator program.
To use Rommon Mode on the Cisco Router using Cisco Packet Tracer:
1. If you have not installed the Cisco Packet Tracer before, please refer to the following videos for Packet Tracer installation on Windows, Linux and MacOS operating systems.
➦ Windows: Linux/Debian: MacOS: Add one Cisco Router, Cisco Switch, and TFTP Server to the Cisco Packet Tracer workspace.
3. Connect the network devices with a flat cable.
4. Configure the TFTP Server and make sure that it works.
6. Use the copy flash: tftp: command to copy the Cisco Router IOS image to the TFTP Server.
➦ copy flash: tftp:
7. Apply the "config register 0x2100" command in configuration mode to switch Rommon Mode on the Cisco Router.
➦ config register 0x2100
8. Restart the Router using the Reload command.
➦ Reload
9. To restore the Cisco Router IOS image from the TFTP Server, perform the following commands while in Rommon Mode.
➦ IP_ADDRESS: 192.168.10.1
➦ IP_SUBNET_MASK: 255.255.255.0
➦ DEFAULT_GATEWAY: 192.168.10.1
➦ TFTP_SERVER: 192.168.10.100
➦ TFTP_FILE: c1900-universalk9-mz.SPA.151-4.M4.bin
10. Run the following command to start uploading the iOS image back to the router.
➦ tftpdnld
11. After completing the IOS restore process, run the command "confreg 0x2102" in Rommon Mode.
➦ confreg 0x2102
12. Don't forget to subscribe to our YouTube channel!
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