1. Open Cisco Packet Tracer.
2. In the device selection box at the bottom of the window, add two routers to the workspace.
3. In the lower-left toolbar, click Connections, then select Copper Cross-Over.
4. Connect the two routers using available GigabitEthernet ports.
5. Click the first router, then open the CLI tab and configure the connected interface with an IP address and enable it.
6. Click the second router, then open the CLI tab and configure the connected interface with an IP address in the same subnet and enable it.
7. Wait for the link between the routers to turn green.
8. In the CLI tab of one router, run a ping command to verify the connection.