Why is a different address being pinged?

Question

Computer networks

ping 192.168.0.43
PING 192.168.0.43 (192.168.0.43) 56(84) bytes of data.
From 192.168.0.30 icmp_seq=1 Destination Host Unreachable
From 192.168.0.30 icmp_seq=2 Destination Host Unreachable
From 192.168.0.30 icmp_seq=3 Destination Host Unreachable
From 192.168.0.30 icmp_seq=4 Destination Host Unreachable

Router - DIR-320NRU
DHCP enabled
ping launched under linux
pinged host - on Windows

Answer 1

Because the address 192.168.0.43 is not pinged and your host (192.168.0.30) tells you that it is not available

Answer 2

You must allow Windows Firewall to respond to incoming ICMP echo messages.