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WNDR4500 / Windows + Linux + NAS / cannot always reach by hostname
My network generally works well. I've got DHCP handing out IP addresses and a few fixed IP's for printers and NAS devices. I've got the following devices on my network all managed through wired and...
What happens if you try nbtstat -a <hostname> from your work laptop to one of your machines? Check nbtstat -r afterwards to see if the counters increase.
Can you look at the advanced adapter settings on your laptop and see whether a WINS server address is configured? You probably also want to make sure that NetBIOS over TCP/IP is enabled.
You may also want to look at the Windows registry for the NetBIOS node type. I believe the key is HKLM\SYSTEM\CurrentControlSet\Services\NetBT\Parameters\NodeType. The values are explained at this link.
Is Windows Network Discovery enabled?
You can cross-check that the NetBIOS Type is set to B-node using ipconfig /all and looking at Node Type.
I found some additional troubleshooting that you may want to try.
Two Minute Drill: Troubleshooting Name Resolution (i.e. try new view \\hostname and net view \\<ipaddress>)
TechNet: Unable to reach a Host or NetBIOS Name (It has a trouble troubleshooting flowchart)
Default Node Type for Microsoft Clients (You can try coercing the Node Type by editing the registry. You will probably have to reboot each time.)
Finally, try installing Wireshark on the laptop and sniff the traffic on your laptop. You will want to see if NetBIOS broadcasts are being sent.
As a last resort, you may consider resetting TCP/IP. It's a pretty drastic step, but Microsoft has an article on it. Make sure you are comfortable doing this. I cannot take a responsibility for any damage. I'm only providing the rope. :smileyhappy:
How to reset TCP/IP by using the NetShell utility
Ethernet adapter Local Area Connection: Connection-specific DNS Suffix . : Description . . . . . . . . . . . : Intel(R) Ethernet Connection I217-LM Physical Address. . . . . . . . . : EC-F4-BB-06-B7-90 DHCP Enabled. . . . . . . . . . . : Yes Autoconfiguration Enabled . . . . : Yes Link-local IPv6 Address . . . . . : fe80::9464:b3b7:18fb:b9e4%11(Preferred) IPv4 Address. . . . . . . . . . . : 10.0.0.15(Preferred) Subnet Mask . . . . . . . . . . . : 255.255.255.0 Lease Obtained. . . . . . . . . . : Saturday, January 16, 2016 8:00:53 AM Lease Expires . . . . . . . . . . : Sunday, January 17, 2016 8:00:53 AM Default Gateway . . . . . . . . . : 10.0.0.1 DHCP Server . . . . . . . . . . . : 10.0.0.1 DHCPv6 IAID . . . . . . . . . . . : 250410171 DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-1A-70-B6-F1-EC-F4-BB-06-B7-90 DNS Servers . . . . . . . . . . . : 10.0.0.1 NetBIOS over Tcpip. . . . . . . . : Enabled
Still not quite getting there... no change in symptoms...
nbtstat yields nothing interesting... all other PC's on LAN are working fine...
What about the Node Type?
>ipconfig /all | more Windows IP Configuration Host Name . . . . . . . . . . . . : DESKTOP-VJ2S2MB Primary Dns Suffix . . . . . . . : Node Type . . . . . . . . . . . . : Hybrid <------ IP Routing Enabled. . . . . . . . : No WINS Proxy Enabled. . . . . . . . : No