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Tuesday, April 19, 2011

Upload IOS from ROMMon mode

Here is the steps to follow when you want to upload an IOS to your Cisco router from ROMMon mode:

You need to run the TFTP server on your PC. Connect your PC to LAN port of your router, configure your PC with the IP address which is assigned to the TFTP server (192.168.16.19 in this example) and type the following commands:

IP_ADDRESS=192.168.16.44
IP_SUBNET_MASK=255.255.255.0
DEFAULT_GATEWAY=192.168.16.1
TFTP_SERVER=192.168.16.19
TFTP_FILE=IOSFileName.bin
tftpdnld -u

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