GN3 Question, how to add port on a device


I want to add a device with a serial ports on it, how do you change or add a port module in a device?


Right click > Properties > Slots.

Look at my example below. I have two routers with NM-4T modules.

IOS image used - c3725-adventerprisek9-mz.124-15.T14


Its always good to know what these (virtual) modules look like in GNS3.