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I am pinging a network device with the syntax:

UBUNTU>> ping myHost

Ubuntu is able to resolve the hostname (myHost) to the correct LAN IP (192.168.XX.YY), whereas Win-10 is unable to do this unless a period is appended to myHost:

"Ping request could not find host myHost"

1) Is it unreasonable to expect myHost (sans period) to resolve on Win-10?

2) Why does Win-10 require the period appended to myHost? Why is the period required on Win-10?

  • Do you have a DNS or WINS server for your lan? Has your Ubuntu hosts file been configured with an address for myhost? My first guess is that the trailing . is forcing windows to use DNS for resolution, and skip NBT name resolution, but thats only valid if you are using a DNS server for your lan. – Frank Thomas Jun 24 '16 at 0:22
  • My LAN has a garden variety Asus RT-AC68U with Merlin's firmware. I believe the router provides local DNS because I think that the Ubuntu box would need it to resolve 'myHost'. The Ubuntu host file is not configured (stock). Is there a command that can be issued at the router's command-line to answer Frank Thomas' questions? – gatorback Jun 24 '16 at 2:32
  • If the W10 is using multiple adapters and/or multiple IP addresses from different subnets, it will cause this behavior. If this is the case, you will have to alter the default gateway or metric of the connections. – Overmind Jun 24 '16 at 7:07
  • Good suggestions, that being said both are laptops and are on the same subnet with a single LAN IP address – gatorback Jun 24 '16 at 17:26
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This single change allows the Windows 10 box to resolve (ping) the hostname to an IP address without the '.' appended to the hostname.

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