In this topic, i will show how to upgrade Cisco IOS from the Serial Port using a console cable and Hyper Terminal without network connectivity (that would be needed for TFTP, in example). We will be using a 2960X for the testing and we will also learn how to get into rommon mode when you are not physically close to the switch.
Hyper Terminal (or similar);
IOS Boot Image;
Running Config Backup (if needed).
Connect PC to the Switch using the console cable;
Connect the switch to the power and boot it up;
Create a new connection in HyperTerminal and set the transfer rate to 9600;
Issue the following commands in order to get the 2960X in rommon mode:
(press enter to confirm)
When the switch reloads, it will be in rommon mode;
Issue the following command in order to upload the .bin faster:
set BAUD 57600
Reconnect HyperTerminal to match the transfer speed rate from the switch. This time, select 57600 as your transfer rate;
Issue the following command for the switch to wait for the file:
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