I have two virtual machines on my laptop. 1 is Centos 7 (server) and the other is Centos 6 (client). When i ping from server to client, its working.But when i ping from client to server, it is giving error destination net unreachable. Can someone help me out, where is the problem? 

thanx in advance.

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  [1]: https://i.sstatic.net/fuv8K.png