Domain network ethernet not working but wifi does?


  1. Posts : 4
    Windows 10
       #1

    Domain network ethernet not working but wifi does?


    Hi there, firstly I apologise if this space is not for asking questions. I've been tirelessly and frustratingly been trying to fix this problem for the past month but the problem persists unfortunately. I have a small business with 3 computers on the premises all connected to the same network through ethernet they also have a software on them which shares information between the 3 computers. Additionally I have not been able to take card payments from customers for this whole time and had to give products away for free hoping the customers would return to pay. For over 2-3 months now my ethernet would randomly drop however when I would shut everything down and return the next day it would be back up but the ethernet connection dropped sometime 3 weeks ago and hasn't returned since. I realised that there was no problem with the router as all the lights are working fine and my wifi on my phone is always working. I have tried using a new ethernet cable from my main computer to the ethernet socket in the floor this didnt help. Additionally I have searched the internet for similar forums and have tried all the remedies found online e.g. the command prompts (ipconfig /renew release, netsh winsock etc). None of this has resolved the issue. I have also tried resetting the network, uninstalling etc none of this has worked either. I contacted my network provider and they said their tests have pinged back all clear. My Ethernet remains to have "unidentified network" underneath. Below is the information from my toubleshoot:

    Description . . . . . . . . . . : Realtek PCIe GbE Family Controller
    Manufacturer . . . . . . . . . : Realtek
    Provider . . . . . . . . . . . : Realtek
    Version . . . . . . . . . . . : 7.67.1226.2012
    Inf File Name . . . . . . . . . : C:\WINDOWS\INF\oem28.inf
    Inf File Date . . . . . . . . . : Friday, January 18, 2013 5:42:00 AM
    Section Name . . . . . . . . . : RTL8168G.ndi
    Hardware ID . . . . . . . . . . : pci\ven_10ec&dev_8168&rev_0c
    Instance Status Flags . . . . . : 0x180200a
    Device Manager Status Code . . : 0
    IfType . . . . . . . . . . . . : 6
    Physical Media Type . . . . . . : 14

    Computer Name: LENOVO4
    Windows Version: 10.0
    Architecture: x64
    Time: Saturday, April 17, 2021 11:54:40 AM

    Windows Network Diagnostics
    Detects problems with network connectivity.
    Package Version: 4.0
    Publisher: Microsoft Windows


    Below is my ipconfig information:

    Ethernet adapter Ethernet 2:

    Connection-specific DNS Suffix . :
    Link-local IPv6 Address . . . . . : fe80::c8d0:cf3c:8a45:ca38%10
    Autoconfiguration IPv4 Address. . : 169.254.202.56
    Subnet Mask . . . . . . . . . . . : 255.255.0.0
    Default Gateway . . . . . . . . . :

    Wireless LAN adapter Local Area Connection* 12:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :

    Wireless LAN adapter Local Area Connection* 13:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :

    Ethernet adapter Ethernet:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :

    Wireless LAN adapter Wi-Fi:

    Connection-specific DNS Suffix . : lan
    IPv6 Address. . . . . . . . . . . : fd64:6d6c:fb99:a200:69a0:367f:768a:b7c3
    Temporary IPv6 Address. . . . . . : fd64:6d6c:fb99:a200:a8c5:44d9:8d84:2998
    Link-local IPv6 Address . . . . . : fe80::69a0:367f:768a:b7c3%13
    IPv4 Address. . . . . . . . . . . : 192.168.1.3
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Default Gateway . . . . . . . . . : 192.168.1.1
    PS C:\WINDOWS\system32> ip

    Please if somebody could help with this I would really appreciate it.
      My Computer


  2. Posts : 4,525
    Windows 11 Pro 64-bit
       #2

    The Ethernet connection getting an autoconfiguration IP address (169.254.x.y) means you are not getting a real internet address.

    How to Fix "Unidentified Network" on Windows 10 | SoftwareKeep
      My Computer


  3. Posts : 4
    Windows 10
    Thread Starter
       #3

    FreeBooter said:
    The Ethernet connection getting an autoconfiguration IP address (169.254.x.y) means you are not getting a real internet address.

    How to Fix "Unidentified Network" on Windows 10 | SoftwareKeep
    Hi FreeBooter, I already came across this article and followed the steps with no results, I came across other articles that suggested the same steps but still nothing has worked? Thanks for the reply.
      My Computer


  4. Posts : 4,525
    Windows 11 Pro 64-bit
       #4

    Assign a static ip address to see problem resolves.

    How to set a static IP address on Windows 10 • Pureinfotech
      My Computer


  5. Posts : 4
    Windows 10
    Thread Starter
       #5

    FreeBooter said:
    Assign a static ip address to see problem resolves.

    How to set a static IP address on Windows 10 • Pureinfotech
    followed the steps ipconfig /all
    Windows IP Configuration

    Host Name . . . . . . . . . . . . : Lenovo4
    Primary Dns Suffix . . . . . . . :
    Node Type . . . . . . . . . . . . : Hybrid
    IP Routing Enabled. . . . . . . . : No
    WINS Proxy Enabled. . . . . . . . : No
    DNS Suffix Search List. . . . . . : lan

    Ethernet adapter Ethernet 2:

    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Realtek PCIe GbE Family Controller
    Physical Address. . . . . . . . . : C0-3F-D5-E6-31-28
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes
    Link-local IPv6 Address . . . . . : fe80::c8d0:cf3c:8a45:ca38%10(Preferred)
    Autoconfiguration IPv4 Address. . : 169.254.202.56(Preferred)
    Subnet Mask . . . . . . . . . . . : 255.255.0.0
    Default Gateway . . . . . . . . . :
    DHCPv6 IAID . . . . . . . . . . . : 331366357
    DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-1B-8D-74-3B-C0-3F-D5-E6-31-28
    DNS Servers . . . . . . . . . . . : fec0:0:0:ffff::1%1
    fec0:0:0:ffff::2%1
    fec0:0:0:ffff::3%1
    NetBIOS over Tcpip. . . . . . . . : Enabled

    Wireless LAN adapter Local Area Connection* 12:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Microsoft Wi-Fi Direct Virtual Adapter #3
    Physical Address. . . . . . . . . : D2-37-45-14-73-CF
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes

    Wireless LAN adapter Local Area Connection* 13:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Microsoft Wi-Fi Direct Virtual Adapter #4
    Physical Address. . . . . . . . . : D0-37-45-14-73-CF
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes

    Ethernet adapter Ethernet:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : TeamViewer VPN Adapter
    Physical Address. . . . . . . . . : 00-FF-D1-4C-A3-95
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes

    Wireless LAN adapter Wi-Fi:

    Connection-specific DNS Suffix . : lan
    Description . . . . . . . . . . . : TP-Link Wireless USB Adapter
    Physical Address. . . . . . . . . : D0-37-45-14-73-CF
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes
    IPv6 Address. . . . . . . . . . . : fd64:6d6c:fb99:a200:69a0:367f:768a:b7c3(Preferred)
    Temporary IPv6 Address. . . . . . : fd64:6d6c:fb99:a200:a8c5:44d9:8d84:2998(Preferred)
    Link-local IPv6 Address . . . . . : fe80::69a0:367f:768a:b7c3%13(Preferred)
    IPv4 Address. . . . . . . . . . . : 192.168.1.3(Preferred)
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Lease Obtained. . . . . . . . . . : Saturday, April 17, 2021 11:46:53 AM
    Lease Expires . . . . . . . . . . : Sunday, April 18, 2021 11:46:52 AM
    Default Gateway . . . . . . . . . : 192.168.1.1
    DHCP Server . . . . . . . . . . . : 192.168.1.1
    DHCPv6 IAID . . . . . . . . . . . : 516962117
    DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-1B-8D-74-3B-C0-3F-D5-E6-31-28
    DNS Servers . . . . . . . . . . . : fe80::1%13
    192.168.1.1
    192.168.1.1
    NetBIOS over Tcpip. . . . . . . . : Enabled
    PS C:\WINDOWS\system32>

    I noticed there is no default gateway in my ethernet 2 but I used the default gateway from the wireless configuration. and followed the steps to assign a static ip through command prompt. Still nothing. I believe I pay my network provider for a second IP address for my wireless cameras which are no longer connected. Could this be causing an issue? Although it was working fine when I first stopped using those cameras. Also could the cables running along the building be damaged which could be causing an issue?
      My Computer


  6. Posts : 6,916
    windows 10
       #6

    From the faulty pc can you ping 192.168.1.1
    Did you try giving the pc a fixed IP as its showing still as dhcp.

    Were do the cables run anywere near power cables and what cat are they ie cat 5 we had a problem of the network going down and it turned out it was a power shutter everytime it was used it stopped the network
      My Computer


  7. Posts : 4,525
    Windows 11 Pro 64-bit
       #7

    ISP only provide public IP address which you will use it to connect to internet the router uses DHCP server to assign devices on your network private IP address.

    For some reason Ethernet adapter is been assigned automatic private IP address follow the instructions at the website to assign IP address to Ethernet adapter you can use the Control Panel to assign IP address.
      My Computer


  8. Posts : 4
    Windows 10
    Thread Starter
       #8

    I cannot ping the IP address without using Wi-Fi. I will try to assign IP address through control panel now. Also in my LAN Interface > Router Interface Status > LAN1, LAN2 & LAN4 all say "Disconnect". Is this normal for only 1 (LAN3) to say Connected Full 1000MBPS ?

    - - - Updated - - -

    FreeBooter said:
    ISP only provide public IP address which you will use it to connect to internet the router uses DHCP server to assign devices on your network private IP address.

    For some reason Ethernet adapter is been assigned automatic private IP address follow the instructions at the website to assign IP address to Ethernet adapter you can use the Control Panel to assign IP address.
    This changes nothing unfortunately. As I said we are a business we do take payments here could it be that our payment system is forcing the automatic private IP address as a protective measure?

    - - - Updated - - -

    Hi guys, I seem to have fixed it for now. I feel very silly but after seeing that LAN 1,3 and 4 were disconnected. And seeing as all my LAN POrts in the router were being used I decided to try and move the cables. I had already tried this but for some reason the internet only works when all the cables are connected to the correct corresponding port.

    - - - Updated - - -

    Seems as I was wrong. It literally came on for 5 minutes after switching the LAN cables around in the ports but now itís turned back off.
      My Computer


 

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