I have one server using and the other server using They are connected on my router with separate adapters.

I tried ping test from my router, it worked.

However, when I tried to ping from to, the command said: connect: Network is unreachable.

What should I do?

  • 1
    Can you edit your question and post the output of traceroute from , ip address and ip route of both servers? – Mr Shunz Oct 18 '18 at 12:04
  • Can both of the servers ping the router? – user535733 Oct 18 '18 at 12:06
  • Yes I can ping both of router – 강찬희 Oct 20 '18 at 4:02

Servers are in different subnets:

  • Server 1: belongs to subnet
  • Server 2: belongs to subnet

You have to set your router to allow both subnets can reach each other. Also, I suppose you have to set the routes in your serves because the message connect: Network is unreachable suggest me that there is no route configured.

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