Shared computers on private network disappear when ethernet is connected (work fine over wifi)

xexet · Mar 30, 2017

Hi! So here is my setup:
Internet -> Wireless modem/router -> ethernet -> android TV box (Nvidia shield)
-> wifi 5ghz -> windows 10 laptop (Aorus X5v6)

Android is configured to mount its internal drive with samba.
So as long as the setup above is in place: the android box sees my laptop and I can connect at high speed (bottlenecked by wifi) for gamestreaming from pc to Nvidia. PC sees Nvidia as a computer shared on the network it connects fine.

As soon as I switch off wifi in my laptop and connect it with the ethernet cable, the laptop can still connect to the internet, but all shared computers (including the Andorid) disappear. If I try to mount it as a network drive via its ip it just fails. The Android box sees my PC in terms of gamestreaming but connects with incredibly low speed.

Everything goes back to normal as soon as I unplug ethernet and turn on wifi on my pc.

I tried swapping cables and switches on the router, it does the same thing.
My network on the Windows 10 PC is configured as 'Private'.

Any idea what's going on? I can provide logs and further details if needed of course. Thanks!

Ralston18 · Mar 30, 2017

Are you disabling the wireless adapter on the laptop aka "switch off wifi" and enabling the wired ethernet adapter?

Take a look at the IP addresses being assigned by your router.

Are you using any static IP addresses?

Get everything ("all shared devices") up and running. Check each one's IP address.

Look for any IP addresses that are being duplicated.

xexet · Mar 30, 2017

Thanks! Yes I mean disabling the wireless adapter (via windows shortcut) and plugging in the ethernet cable (it is always enabled)
I did what you suggested, no duplicates cropped up but something interesting did:
Checking the IP on windows/network properties:
PC IP with WIFI: 192.168.1.242
PC IP with Ethernet: 192.168.1.39

BUT: when I check on the router when the PC is connected via wifi it shows Connected device: Aorus X5, IP: 192.168.1.242 via WIFI, when I plug in the ethernet cable (after disabling laptop onboard wifi) the router does not update the IP! The Aorus appears to be still connected via WIFI at the 192.168.1.242 IP (even though in windows it shows 192.168.1.39 as IP) and nothing seems to be plugged in LAN4.
Note that internet works when PC is plugged to the router only through ethernet.

This strange IP situation would explain why the shared devices are invisible on the Aorus, but why is this happening and how can I solve it?
Many thanks!

Ralston18 · Mar 30, 2017

Not so sure about that "shortcut" to disable the wireless adapter. What exactly does that shortcut do: e.g., run some third party application, or some batch file that disables wireless and enables wired?

Wired and wireless cannot be used at the same time independent of which either connection method is to be used. So if wireless is to be used then wired must be disabled.

On the Aorus:

Can you run "ipconfig /all" (without quotes) from the command prompt while connected wired and then wirelessly.

Look at your router's configuration - the range of available DHCP IP addresses and subnet masking.

Likewise look at the wired and wireless network adapter settings on the Aorus. Especially the IP addressing configuration for each.

Any chance that a static IP address was set up somewhere?

xexet · Mar 30, 2017

Thank you very much, please find here the IPCONFIGs as requested.

The Router does not have static routing options (it's the one provided by the ISP). DHCP settings give start IP 198.168.1.2 End IP 192.168.1.254

What IP settings exactly would you like to know from the Aorus, and how do I access them?

Many thanks!!
--------------------------------

ipconfig on wifi:

Host Name . . . . . . . . . . . . : AORUS_X5
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
DNS Suffix Search List. . . . . . : default

Wireless LAN adapter Wi-Fi 2:

Connection-specific DNS Suffix . : default
Description . . . . . . . . . . . : Killer Wireless-n/a/ac 1535 Wireless Network Adapter #2
Physical Address. . . . . . . . . : 9C-B6-D0-0E-7F-DF
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::98c:398d:8001:94d%18(Preferred)
IPv4 Address. . . . . . . . . . . : 192.168.1.242(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Lease Obtained. . . . . . . . . . : 30 March 2017 20:52:24
Lease Expires . . . . . . . . . . : 01 April 2017 20:52:24
Default Gateway . . . . . . . . . : 192.168.1.1
DHCP Server . . . . . . . . . . . : 192.168.1.1
DHCPv6 IAID . . . . . . . . . . . : 228374224
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-1F-B9-7F-38-1C-1B-0D-62-3B-18
DNS Servers . . . . . . . . . . . : 192.168.1.1
NetBIOS over Tcpip. . . . . . . . : Enabled

Ethernet adapter Ethernet 4:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : TAP-Windows Adapter V9
Physical Address. . . . . . . . . : 00-FF-E6-91-76-EB
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes

Ethernet adapter Ethernet 2:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . : default
Description . . . . . . . . . . . : Killer E2200 Gigabit Ethernet Controller #2
Physical Address. . . . . . . . . : 1C-1B-0D-69-2B-08
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes

Wireless LAN adapter Local Area Connection* 4:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft Wi-Fi Direct Virtual Adapter #2
Physical Address. . . . . . . . . : 9E-B6-D0-0E-7F-DF
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes

Ethernet adapter Bluetooth Network Connection 2:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Bluetooth Device (Personal Area Network) #2
Physical Address. . . . . . . . . : 9C-B6-D0-0E-7F-E0
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes

Tunnel adapter Local Area Connection* 2:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft Teredo Tunneling Adapter
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
IPv6 Address. . . . . . . . . . . : 2001:0:4137:9e76:c77:36e7:3f57:fe0d(Preferred)
Link-local IPv6 Address . . . . . : fe80::c77:36e7:3f57:fe0d%7(Preferred)
Default Gateway . . . . . . . . . : ::
DHCPv6 IAID . . . . . . . . . . . : 117440512
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-1F-B9-7F-38-1C-1B-0D-62-3B-18
NetBIOS over Tcpip. . . . . . . . : Disabled

Tunnel adapter isatap.default:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . : default
Description . . . . . . . . . . . : Microsoft ISATAP Adapter #2
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
---------------------------------------------------------------------------------------------------------------

ipconfig on ethernet (after disabling wifi via windows 10 notification centre shortcut:

Windows IP Configuration

Host Name . . . . . . . . . . . . : AORUS_X5
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
DNS Suffix Search List. . . . . . : default

Wireless LAN adapter Wi-Fi 2:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . : default
Description . . . . . . . . . . . : Killer Wireless-n/a/ac 1535 Wireless Network Adapter #2
Physical Address. . . . . . . . . : 9C-B6-D0-0E-7F-DF
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes

Ethernet adapter Ethernet 4:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : TAP-Windows Adapter V9
Physical Address. . . . . . . . . : 00-FF-E6-91-76-EB
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes

Ethernet adapter Ethernet 2:

Connection-specific DNS Suffix . : default
Description . . . . . . . . . . . : Killer E2200 Gigabit Ethernet Controller #2
Physical Address. . . . . . . . . : 1C-1B-0D-69-2B-08
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::ed7b:ab09:9b94:724f%23(Preferred)
IPv4 Address. . . . . . . . . . . : 192.168.1.39(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Lease Obtained. . . . . . . . . . : 30 March 2017 19:52:28
Lease Expires . . . . . . . . . . : 01 April 2017 20:59:21
Default Gateway . . . . . . . . . : 192.168.1.1
DHCP Server . . . . . . . . . . . : 192.168.1.1
DHCPv6 IAID . . . . . . . . . . . : 370940685
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-1F-B9-7F-38-1C-1B-0D-62-3B-18
DNS Servers . . . . . . . . . . . : 192.168.1.1
NetBIOS over Tcpip. . . . . . . . : Disabled

Wireless LAN adapter Local Area Connection* 4:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft Wi-Fi Direct Virtual Adapter #2
Physical Address. . . . . . . . . : 9E-B6-D0-0E-7F-DF
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes

Ethernet adapter Bluetooth Network Connection 2:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Bluetooth Device (Personal Area Network) #2
Physical Address. . . . . . . . . : 9C-B6-D0-0E-7F-E0
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes

Tunnel adapter Local Area Connection* 2:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft Teredo Tunneling Adapter
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
IPv6 Address. . . . . . . . . . . : 2001:0:4137:9e76:cc4:140a:3f57:fed8(Preferred)
Link-local IPv6 Address . . . . . : fe80::cc4:140a:3f57:fed8%7(Preferred)
Default Gateway . . . . . . . . . : ::
DHCPv6 IAID . . . . . . . . . . . : 117440512
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-1F-B9-7F-38-1C-1B-0D-62-3B-18
NetBIOS over Tcpip. . . . . . . . : Disabled

Tunnel adapter isatap.default:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . : default
Description . . . . . . . . . . . : Microsoft ISATAP Adapter #2
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes

xexet · Mar 30, 2017

Edit: router does has 'address reservation' section and I confirm there is IP reserved.

Ralston18 · Mar 30, 2017

Thank you.

Two things:

1) If you do not have IPv6 service uncheck the box on your network adapter settings. Only have IPv4 checked.

2) Enable NetBIOS over TCPIP on your wired adapter card. Reference the following link:

http://ecross.mvps.org/howto/enable-netbios-over-tcp-ip-with-windows.htm

If not sure about #1 - just skip for now.

Reference your edit: What IP address or addresses are being reserved on the router? And for which device/MAC(s)?

xexet · Mar 30, 2017

Hi and many thanks for taking time to help me out on this.

I have disabled IPv6 and enabled NetBIOS and restarted the computer, it did not work. I am still connected to the internet via ethernet, but not to the network. The router still shows that my computer is connected via wifi at the ip address of the wifi.

I also tried ipconfig /release and ipconfig /renew but they did not work.

On the router there no IP reserved for no device (sorry I wrote previous edit from the phone, it was full of typos. I wanted to say that I confirm there is a section to reserve IPs but there is NO IP reserved!). The IP range is 2 to 254.

xexet · Mar 31, 2017

I have killer wireless and Ethernet. They have a (useless if you ask me) double shot pro tech ( http://www.killernetworking.com/technology/killer-double-shot-pro ) which supposedly allows Wi-Fi and Ethernet to work together to maximise bandwidth. @Ralston18 Could that be the culprit Somehow do you think?

xexet · Mar 31, 2017

One more detail: I restarted the router, while laptop was connected via ethernet, with wifi disabled. Now the router sees a device (unknown device) connected on LAN4, with the same IP address displayed on the laptop (192.168.1.39), but still the laptop does not see shared devices on the network. I can still connect to the internet via ethernet though.

Ralston18 · Mar 31, 2017

Not familar with the Killer products per se but I do remember reading various negative comments about them.

As for "double shot pro" I just cannot see that truly working - unless there is some bridging involved. Hopefully someone else following this thread can provide additional comment. In any case, the overall network will only perform as fast as the slowest link within the network. Disable that "double shot" function on Killer card as a matter of elimination.,

Not sure about the 1"92.168.1.39 device". My action would be to access the router's admin pages and change the available DHCP range to 192.168.1.2 to 192.168.1.20. Establish a DHCP range to match the number of network devices you have plus a couple of extra IPs.

You have mentioned LAN4 a couple of times. Make sure that that port on your router is not configurable and, if so, possibly mis-configured (LAN vs WAN). What make and model is your router?

And, apologies, I have sort of neglected the Android TV - access its configuration settings and dig into the configuration as far as you can. Do not change anything - just take another look. You are obviously paying attention to things which helps you learn. Going back for another look at the Android TV setttings may prove beneficial.

Also I am looking at something else but will not run us down that rabbit hole until I get a better sense of it.

xexet · Mar 31, 2017

Yeah killer products are sort of hit and miss and the whole double shot is just a marketing gimmick...
Anyways thank you so much for all the suggestions and advices. I ended up solving this whole thing by digging deeper in the router settings, actually in the router's manual online! The router is an EE brightbox 2. While looking up how to customise Ethernet ports turns out... only one port out of 4 is gigabit Ethernet, the other are 100mbps. I did try to plug in my pc in other ports, what I had never tried was to plug the android TV in the gigabit Ethernet port. I did that and all problems were solved. I think that android TV has some problem negotiating the speed on the 100mps port, I saw other nvidia shield users had this problem.
At any rate thank you very much for all your help, I learnt a lot about networking and my system!

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