Instructor created labs?

Yes it's possible depending on objectives that you have, for examples:
  • 2 routers to simulate inter-network communication​
  • 2 switches to connect multiple devices​
  • 4 hosts PCs to test connectivity​
  • 1 DHCP server for dynamic IP assignment​
Sorry to be dense, but I don't know where you can accomplish the above. It sounds like a good environment.
 
Try Cisco’s GNS3 or Cisco CML as they have pre-configured templates for fast demo... Packet tracer short custom
Cisco does not make or own GNS3.

@Tom.G : unless you're going to actually go out and buy all the hardware, you will need some simulator. That can be Packet Tracer, it can be GNS3, it could be EveNG.

All simulators will have a learning curve.

If you don't want a simulator, either buy all the hardware or find another trainer who's willing to buy and run the hardware to provide a lab as a service. Yes, these latter also exist.
 
In the latest reformulation of the certification portfolio, Cisco redefined the equipment needed to conduct practical laboratory activities and, as far as I remember, it includes "only" two routers, two switches and an access point, in addition to the cables and workstations. I believe that changing this structure (even with good intentions) will change the original planning that the institution had when conceiving the CCNAv7 certification. Finally, Packet Tracer also includes practically all the resources needed for students to train and for this reason, I also don't think it's a good idea to use alternative software, such as GNS3. In short: follow the standard definitions if you are teaching the CCNA... &;-D
 
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