To ping 192.168.2.100 from a device with the IP address 192.168.1.100, you need to ensure that both devices are on the same network or that routing is configured between the two networks. Use the command prompt or terminal on the device with the IP 192.168.1.100 and type ping 192.168.2.100
and press Enter. If there's proper connectivity and routing, you should receive replies; otherwise, you may see request timeouts.