im doing a small project in packet tracer and it has come up that i need to configure sub interfaces and i cannot get this to work for me any help would be greatly appreciated, the vitals for the first sub interface are
interface ip address subnet mask
F0/0.10 192.168.10.254 255.255.255.0
Cisco Packet Tracer is a powerful network simulation program that allows students to experiment with network behavior. Packet Tracer provides simulation, visualization, authoring, assessment, and collaboration capabilities and facilitates the teaching and learning of complex technology concepts.