Pinging Error Difference Between request Time Out Destination Host Unreachable

Request time out means sender System find the receiver system. But it can not get any response or reply from the client receiver system.
SOLUTION
Turn off firewall and Anti virus then try it you can resolve these problem.

Destination Host unreachable
The sender system Doest not find the receiver system.
Unable to fine the client node.
SOLUTION
Maintain the same network.
Turn off the Firewall. IP Tables.
request time out and Destination Host unreachable.Request time out and Destination Host unreachable.