Question Internet disconnects every 3-4 days ?

Ainez

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Sep 26, 2020
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Hi,
It disconnects after every 3-4 days, gets fixed after restarting the router/PC ; sometimes restarting PC or router doesn't work. However, if booted into a secondary windows, every time find it working right away, and then restart and boot into the primary windows, and there the connection is back. Is this the common router problem?
Btw, maybe irrelevant to the topic but, the mainboard has very complicated network problem - it doesn't work without router, it never DIRECTLY connects to internet cable connection and shows weird error code which even the ISP network specialist do not recognize!!! I cannot prove it to the retailer, therefore live with it - this could be the issue? Well if so, neither you nor can I solve it then, at least without dealing with serious level of complexity.

Edit: all network indicator lights remain as they were after losing connection.
 
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Ralston18

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Update your post to include full system hardware specs and OS information.

ISP?

Modem: make and model?

Router: make and model?

What exactly is that "weird error code" and what is the source of that error code?

Also:

"However, if booted into a secondary windows, every time find it working right away, and then restart and boot into the primary windows, "

Please provide more details. Do you mean a second computer and then the primary computer?

On the PC run "ipconfig /all" (without quotes) via the Command Prompt. Post the results.
 

Ainez

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ISP?

Modem: make and model?

Router: make and model?

What exactly is that "weird error code" and what is the source of that error code?

Also:

"However, if booted into a secondary windows, every time find it working right away, and then restart and boot into the primary windows, "

Please provide more details. Do you mean a second computer and then the primary computer?

On the PC run "ipconfig /all" (without quotes) via the Command Prompt. Post the results.
Hardware Specs:
i5 10400
MSI H410M-A PRO
Ram 8x8 GB
m.2 (1st OS) + HDD (2nd OS)
Nvidia GPU 10th gen
Router - TP-Link TL-WR845N

ISP cable is connected first to their device (modem of a sort idk), then into the router. They call this broad band line yet, if the network cable is connected directly from thier device to my computer, then have to do a dialup every time after boot. And if using a router between the PC and their device, no need for dialup .

Error Code: This is what happened in brief: They connected their device to my PC (Win11) with a network cable (their device is connected to the broadband cable ofc). In the Network & Internet >Dialup settings - after plugging in the id, password etc. setup failed with an error code; don't exactly remember the code. They contacted their specialist who couldn't figure out the problem properly either, and they were very much unfamiliar with the error code. They told me the mainboard has ethernet hardware issue, (which I already suspected way before, however though it was built-in driver issue; and tried to consult the MSI team on their official site, unfortunately didn't get any response). They strongly suggested a hardware issue with the mainboard. However, the network will work if they connect their device into a router. I argued, the router has to be connected to the PC anyway, so if there is a hardware ethernet/network problem on the board, it shouldn't work regardless - because either their device OR both their device + router has to go through the mainboard-network-hardware, right?
Anyway, after setting up the router, the internet worked. Later, I fresh installed windows 10, as it was suggested, and in their absence discovered it was working without router (directly ISP-device to PC connection this time). And then stopped working after awhile giving that same error code.

Btw fyi, when I brought this PC, every time after windows setup, the ethernet adapter was missing in the Control panel > network & internet > Network connections. The realtek adapter doesn't work, had to download and install Intel PROSet adapter configuration utility.

The connection goes offline from time to time, without any change in all the router and ISP modem 'Internet is working' lights. For testing, without restarting / unplugging the router or modem, changed the boot order to the second windows on HDD, and found everything working. Then changed back to the m.2 windows again and it was working there too. Sometimes without changing the boot order, just unplugging and plugging in the router worked.
I think the router is bad also. Irrelevant, but the G.skill sticks aren't that good either, unstable if XMP enabled, got blue screen. And either the processor or the m.2 has issues also - STUTTER (irrelevant)! A total unfortunate or deliberate loss. Good for them I don't have bazooka, otherwise the retailer company would have had a day to remember.

ipconfig/all


Windows IP Configuration

Host Name . . . . . . . . . . . . : NWO
Primary Dns Suffix .....:
Node Type ......: Hybrid
IP Routing Enabled.......: No
WINS Proxy Enabled...... : No
Autoconfiguration Enabled.... : Yes
NetBIOS over Tcpip..... : Enabled
Ethernet adapter Ethernet:
Description . . . . . . . . . . . : Intel(R) Ethernet Connection (12) I219-V

Rest are physical address, IP and dns addresses, you wouldn't need those would you.
 

Ralston18

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This router?

https://static.tp-link.com/res/down/doc/TL-WR845N_V1_UG.pdf

Verify that I found the applicable User Guide.

Physically numbered Page 7 presents a connection diagram using a modem direct to computer connection. No router involved. If a router is used then the modem's/router DHCP function needs to be disabled.

Chapter 3, starting Page 8 provides the modem's default IP address 192.168.0.1 (Subnet 255.255.255.0) which is commonly used for home networks.

Read the router's User Guide and determine if you are able to log into the router's admin screens. If the router has been reset then used the default IP address, login name, and password. You do not need to use the web-based utility. Just use your own browser and connect via 192.168.0.1.

Make and model modem?

= = = =

Network configuration (line diagram where -----> represents an Ethernet cable).

ISP ===( Coax, DSL, Fiber) ==> Modem ---->[WAN port] Router [LAN port(s)] ----> wired network devices and ~~~~> wireless network devices.

Modem and router may be combined in some networks. Feel free to edit and correct my line diagram as necessary.

You can connect directly to the modem but generally doing so only allows one device to connect to the internet via the ISP. A router is needed for multiple devices to be able to connect via the modem.

Not sure about what all the ISP has done or has tried to do.

In any case, my thought is that there is an IP address conflict and/or some network misconfiguration.

As for "ipconfig /all" we do need to see all of that information.

FYI:

https://www.lifewire.com/what-is-a-private-ip-address-2625970#:~:text=A private IP address is,a home or business network.

If anything mask out the computer/Host Name if that name could reveal your or anyone else's identify,

Overall, you should be using the modem and router configuration shown in my line diagram. The key is to get the correct configuration settings established for modem, router, and connected network devices thereafter.
 

Ainez

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Physically numbered Page 7 presents a connection diagram using a modem direct to computer connection. No router involved. If a router is used then the modem's/router DHCP function needs to be disabled.

As for "ipconfig /all" we do need to see all of that information.

If anything mask out the computer/Host Name if that name could reveal your or anyone else's identify,

Overall, you should be using the modem and router configuration shown in my line diagram. The key is to get the correct configuration settings established for modem, router, and connected network devices thereafter.
That's the router, the applicable guide looks proper to the model.
Physically numbered page 7 looks more like no computer involved. Man, are we on the same page?
This is what I see -


I had DHCP enabled in the router settings, now disabled.

I can log into router settings page and already have customized.

ISP modem - XPON ONU, model - ARN2351R

ipconfig:
Windows IP Configuration

Host Name . . . . . . . . . . . . : NSA
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No

Ethernet adapter Ethernet:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Intel(R) Ethernet Connection (12) I219-V
Physical Address ---------
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::1e2:dddd:a3b3:901b%5(Preferred)
IPv4 Address. . . . . . . . . . . : 192.168.0.100(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Lease Obtained. . . . . . . . . . : Friday, June 17, 2022 8:10:07 PM
Lease Expires . . . . . . . . . . : Friday, June 17, 2022 11:12:14 PM
Default Gateway . . . . . . . . . : 192.168.0.1
DHCP Server . . . . . . . . . . . : 192.168.0.1
DHCPv6 IAID . . . . . . . . . . . : -----------
DHCPv6 Client DUID ---------
DNS Servers . . . . . . . . . . . : 118.179.223.10
202.4.96.6
NetBIOS over Tcpip. . . . . . . . : Enabled

Edit: Now restarting PC or router or booting into second OS and back - nothing works; had to reset router 10 mins ago. btw during connection loss, the 192.168.0.1 page doesn't open on browser either.
 
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Ralston18

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Moderator
Page 7 is focused on the modem - router connectivity. Wired network devices would be connected via the yellow/orange LAN Ports 1 -4 or wireless devices "connected" via the antennas.

Those connections are simply just not being shown in that particular diagram.

= = = =

Your ISP is providing a fiber connection to your home - correct?

This modem? (Which appears to actually be a modem/router combo.)

https://www.qualfiber.com/uploads/2ba5cdef.pdf

The User Guide does not appear to be an exact match so you may need to check the documents that came with the modem/router or the ISP'website for the correct manual.

If indeed a modem/router you do not need the TP-Link router but you can use it if you wish to do so. Especially if you disable the router's DHCP functions turning the TP-Link router into an Access Point or Switch.

However, provided that I correctly understand the connections then your network devices will need to obtain DHCP IP addresses via the modem/router at 192.168.1.1 (default setting per physically numbered Page 9 of the modem/router . Unless the ISP or you changed the default value.

= = = =

Right now the computer where you ran "ipconfig /all" is using the TP-Link router (192.168.0.1) to obtain a DHCP IP address and is being provided with a DHCP IP address of 192.168.0.100

I suggest that you used the more common device connections per my revised line diagram.

ISP ===(Fiber)==> XPON Modem ---->[WAN port] TP-Link Router [LAN port(s)] ----> wired network devices and ~~~~> wireless network devices.

To use that connection diagram you will need to disable the modem's DHCP and enable the router's DHCP.

First determine if you can access the XPON modem's admin screens via web browser and 192.168.1.1 - along with the applicable login name and password.

Then try accessing the TP-Link router via 192.168.0.1

(Note: Network devices will need to be configured to go to 192.168.0.1 to obtain a DHCP IP address.)

Leave the router's default IP address at 192.168.0.1 and change the lease time to 7 days.

Starting point is to verify that you can gain admin access to both devices, make note of the current configuration settings, and then change as necessary.

Then disable DHCP on the XPON.

Use the ping command from a network computer to test connectivity to both the modem at 192.168.0.1 and the router at 192.168.1.1

Reference Pages 8 and 9 of the TP-Link routers manual on how to do so.

Another thing to do is to change the DNS servers to Google 8.8.8.8 and 8.8.4.4 instead of the ISP servers shown in your "ipconfig /all" results.

Sketch out the devices and connections. Then add notes to the sketch showing device names, MAC (physical address), IP address (DHCP) etc.. MAC's are unique to a given device and can help identify a specific device if necessary.
 

Ainez

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Correct, the ISP is providing fiber connection. The qualifiber link doesn't appear to be the exact match.
Here it is - AirNet Technology Company Limited | Producer of Networking Accessories and Optical Fiber Equipment (airnet-technology.com)

Fresh setup as per your instruction:
Connection line diagram - ISP fiber cable > ISP modem > my router > PC
XPON admin screen accessed via 192.168.0.1 instead of 192.168.1.1
And TP-Link admin accessed via 192.168.1.1 instead of 192.168.0.1 (I used to open TP-Link admin via 0.1, idk why it opened at 1.1 now!)

You said, "Network devices will need to be configured to go to 192.168.0.1 to obtain a DHCP IP address" To which device are you referring? The PC? Router? I don't use any WiFi device attached to PC. And where exactly do you want it to be configured?
In TP-link ?

In TP-Link DHCP settings?

In ISP modem settings?
 
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Ralston18

Titan
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I meant the router which I believed was configured to be 192.168.0.1 - however if the TP-Link router is 192.168.1.1 that is fine. Commonly used for millions of private networks. Including mine.

= = = =

Disable DHCP Server (uncheck the box) on the XPON modem.

Configure all network devices (wired or wireless) to use the TP-Link router as the Default Gateway (192.168.1.1)

Ensure that only the wired network adapter is enabled on your PC.

Focus first on getting your PC configured and connected. Then configure other devices (if any) one at a time.

If you do not use any wireless network devices at all then you can disable wireless on the TP-Link Router.
 

Ainez

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Disable DHCP Server (uncheck the box) on the XPON modem.

Focus first on getting your PC configured and connected. Then configure other devices (if any) one at a time.
Cannot get into XPON screen now. neither 192.168.0.1 / 1.1 opens it on the browser.
This is how I did it -
Unplugged both XPON & TP-Link , then restarted the PC, then plugged in the XPON & TP-Link,
then checked on the browser if any of those IP opens any of them.
Found only TP-Link router admin screen opens using 192.168.1.1 , but no internet.
Then did a quick setup in the router, and got online
Then disabled DHCP in the router.
Changed lease time to 7. On the screen it's like this 'Lease Time: [ 7 ] minutes (1~2880 minutes, the default value is 120)
Still cannot open XPON settings screen, couldn't disable DHCP over there.

If the router is excluded that is - ISP fiber cable > XPON modem > PC
And, setup a dialup connection from Windows settings > Network & Internet, using ISP provided ID & password, the network gets online. However, this time using 192.168.0.1, the XPON admin screen opens but looks weird, and cannot do anything in it.
 
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I had a router that would stop working every day or so. I enabled the router logs and read them. I found the router was shutting down because the incoming signal from the cable company was too strong. I had to physically disconnect the cable to get the router to work again. After talking to the cable company I found that they had complaints their signal was too weak so they installed a signal booster and put it right outside my house. They then tried to reduce the amplifier boost until the signal was at the maximum at my router. Problem was my router would still flip off one or two times a week. I ended up buying a new router that would auto reset and auto reconnect the cable when problems occur.
The problem took several months to resolve. The third cable guy finally took readings at my line to the router then went and adjusted the booster amplifier to reduce the signal. This was in a rural area with poor cable quality and large distances between houses.
The problem always seemed to happen at certain times during the day, turned out it correlated to when the booster was getting direct sunshine and heated up.
 

Ainez

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I had a router that would stop working every day or so. I enabled the router logs and read them. I found the router was shutting down because the incoming signal from the cable company was too strong. I had to physically disconnect the cable to get the router to work again. After talking to the cable company I found that they had complaints their signal was too weak so they installed a signal booster and put it right outside my house. They then tried to reduce the amplifier boost until the signal was at the maximum at my router. Problem was my router would still flip off one or two times a week. I ended up buying a new router that would auto reset and auto reconnect the cable when problems occur.
The problem took several months to resolve. The third cable guy finally took readings at my line to the router then went and adjusted the booster amplifier to reduce the signal. This was in a rural area with poor cable quality and large distances between houses.
The problem always seemed to happen at certain times during the day, turned out it correlated to when the booster was getting direct sunshine and heated up.
The heat issue at day time was mentioned by the previous ISP agents, however, the problem started exactly at 12 pm, and ended at 12 AM every single day a solid 12 hrs of unusable internet, except YouTube only (cached videos clearly), during January. Here it gets really cold from afternoon, sun & heat issue maybe true in their case, it is rural area indeed but, their explanation was a deliberate lie, for 5pm to 12 am was cold and dark. People here accept liars without protest or even reluctance, I don't, couldn't.
If heat issue occurs, right now it is dark and without router network is online immediately, so it mustn't be the case.
 
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The heat issue at day time was mentioned by the previous ISP agents, however, the problem started exactly at 12 pm, and ended at 12 AM every single day a solid 12 hrs of unusable internet, except YouTube only (cached videos clearly), during January. Here it gets really cold from afternoon, sun & heat issue maybe true in their case, it is rural area indeed but, their explanation was a deliberate lie, for 5pm to 12 am was cold and dark. People here accept liars without protest or even reluctance, I don't, couldn't.
If heat issue occurs, right now it is dark and without router network is online immediately, so it mustn't be the case.
yep, heat issues are not on timers. I ended up just having different cable people coming out until they sent out a person that knew how to figure out the problem. They all had the tools but some of the people did not know how to use them. I had one case where the cable company had two different profiles for my router and were pushing out the wrong one and messing things up. That did occur on a timer. cable person had to call the IPS and have them delete the bogus profile to get it to work correctly. in my case they were forcing a slow link connection by forcing the wrong DOCSIS version . I had to show them the actual documentation of the modem to get them to change it.

I also had ISP disconnect my machine at exactly 4:00 pm every day. When I complained they said I was running a server and it was against the rules. (I was just remoting in to work at the time) after I complained the problem stopped.
 
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danny009

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Device Manager>Network adapters>right click your home adapter your using>properties>Advanced tab>(look carefully in that tiny window lists properties of your adapter)>
ENERGY EFFICIENT ETHERNET(EEE) = turn it off/disable. Next: GREEN/Lite ETHERNET = turn it off/disable. Turn it off related other settings with almost same name. Reboot computer.
Next: Power Management tab = uncheck first entry.

I understand we need to protect things in tech and reduce footprint in energy, but these settings in EVERY SINGLE network adapters on NEWLY BUILT COMPUTERS literally causing so much headache.

EDIT: If you do not have that tab, update your network drivers from realtek or Intel.
 

Ainez

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Device Manager>Network adapters>right click your home adapter your using>properties>Advanced tab>(look carefully in that tiny window lists properties of your adapter)>
ENERGY EFFICIENT ETHERNET(EEE) = turn it off/disable. Next: GREEN/Lite ETHERNET = turn it off/disable. Turn it off related other settings with almost same name. Reboot computer.
Next: Power Management tab = uncheck first entry.

I understand we need to protect things in tech and reduce footprint in energy, but these settings in EVERY SINGLE network adapters on NEWLY BUILT COMPUTERS literally causing so much headache.

EDIT: If you do not have that tab, update your network drivers from realtek or Intel.
EEE turned off
Power management first entry unchecked
couldn't find Lite Ethernet or related settings.
Pls take a look -
 

Ralston18

Titan
Moderator
Do a factory reset on both modem and router to regain access via their respective default IP addresses, login names, and passwords.

First power everything off.

Power on the modem and wait 10 minutes or so until the modem manages (hopefully) to get connected to the ISP. Then turn on the router and again wait 10 minutes until it has had time to communicate with modem. Lastly turn on the PC, wait 10 minutes then try logging into the router's admin screens. Check the configure settings and edit as necessary.

The wait times are intended to allow each device time to get themselves fully booted and in communication (handshake) with other network devices. For example, the modem is not able to immediately connect to the ISP then attempting to connect to the internet via router or directly (PC > Modem > ISP > Internet) is not going to work.

As before disable DHCP functions on the modem. Enable DHCP on the router.

Set the router's lease time to maximum allowable value.

= = = =

"However, this time using 192.168.0.1, the XPON admin screen opens but looks weird, and cannot do anything in it. "

Take a screenshot and post here using imgur (www.imgur.com).
 

Ainez

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Do a factory reset on both modem and router to regain access via their respective default IP addresses, login names, and passwords.

First power everything off.

Power on the modem and wait 10 minutes or so until the modem manages (hopefully) to get connected to the ISP. Then turn on the router and again wait 10 minutes until it has had time to communicate with modem. Lastly turn on the PC, wait 10 minutes then try logging into the router's admin screens. Check the configure settings and edit as necessary.

The wait times are intended to allow each device time to get themselves fully booted and in communication (handshake) with other network devices. For example, the modem is not able to immediately connect to the ISP then attempting to connect to the internet via router or directly (PC > Modem > ISP > Internet) is not going to work.

As before disable DHCP functions on the modem. Enable DHCP on the router.

Set the router's lease time to maximum allowable value.

= = = =

"However, this time using 192.168.0.1, the XPON admin screen opens but looks weird, and cannot do anything in it. "

Take a screenshot and post here using imgur (www.imgur.com).
Cannot get into the XPON admin screen at all. Well, resetting the router and editing functions and entry back is limited and have a bit knowledge of it. But an ISP modem and the small changes in details without knowing is quite another thing. Idk what IP addresses they put into the entries of the modem, so it is a risk losing all data and the connection if resetting the modem. I cannot even check and save info bcoz the admin page of XPON doesn't open now.
btw, this is the error I got before
 

Ralston18

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What login names and passwords are you attempting to use to log into the modem and router?

If you factory reset either the modem and/or the router to the default settings then you must use the default values per the applicable User Guides/Manuals to gain Admin access.
 

Ainez

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What login names and passwords are you attempting to use to log into the modem and router?

If you factory reset either the modem and/or the router to the default settings then you must use the default values per the applicable User Guides/Manuals to gain Admin access.
[/QUOT
Default value for login names and passwords yes, they are on the back of the devices. I was referring to the IP addresses and other stuffs they might have put there, without which such as a number or IP or value or even a check box might cause the network unable to be connected. As I cannot go through every pages & settings in the XPON modem and keep a screen shot, there's a chance that something might get left out of the ISP intended proportion.
 

Ralston18

Titan
Moderator
Okay.

Go back to a very simple direct connection:

ISP === Fiber cable ===> Modem ----Ethernet cable ---> PC.

Factory reset the modem to defaults which should again enable the modem's DHCP.

Then configure the PC' network adapter accordingly.

Objective being to restore the PC's network/internet connectivity.

Once that is accomplished make no other changes.

On your PC then run "ipconfig /all" again and post the results.
 

Ainez

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ISP === Fiber cable ===> Modem ----Ethernet cable ---> PC.

Factory reset the modem to defaults which should again enable the modem's DHCP.

On your PC then run "ipconfig /all" again and post the results.
Host Name . . . . . . . . . . . . : WWF
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No

Ethernet adapter Ethernet:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Intel(R) Ethernet Connection (12) I219-V
Physical Address. . . . . . . . . :
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . .
IPv4 Address. . . . . . . . . . . :192.168.0.100(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Lease Obtained. . . . . . . . . . : Tuesday, June 21, 2022 5:29:17 PM
Lease Expires . . . . . . . . . . : Tuesday, June 21, 2022 7:35:25 PM
Default Gateway . . . . . . . . . : 192.168.0.1
DHCP Server . . . . . . . . . . . : 192.168.0.1
DHCPv6 IAID . . . . . . . . . . . : -----------
DHCPv6 Client DUID ---------
DNS Servers . . . . . . . . . . . : 192.168.0.1
NetBIOS over Tcpip. . . . . . . . : Enabled
I checked DHCP, it is disabled in the router, yet ip config shows enabled. And still XPON settings page doesn't open.
*Lease expires in about two hours. I hope that's not a problem.
 
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Ralston18

Titan
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Good.

FYI:

https://lazyadmin.nl/it/ipconfig-command/

The modem now at 192.168.0.1, working (internet connected), and accessible via the admin screens - correct?

Still at default admin name and password?

Are you able to:

1) Change the default admin name and password to words of your choice?

2) Access the lease time configuration and set the lease time to 7 days.? (Current setting is just over two hours. What time units are being used?)

3) Change the DNS Servers to Google at 8.8.8.8 and 8.8.4.4

Are you able to do the above and not lose internet connectivity?

= = = =

And on your computer are you able to access the network connection screens per the following link.

https://help.keenetic.com/hc/en-us/articles/213965849-How-to-check-the-network-adapter-settings-in-Windows-IP-address-MAC-address-and-default-gateway-

No need to change anything now. Just access the screens and explore. Note current settings. Cancel if you think you may have accidentally changed something.
 

Ainez

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The modem now at 192.168.0.1, working (internet connected), and accessible via the admin screens - correct?

Still at default admin name and password?

Are you able to:

1) Change the default admin name and password to words of your choice?

2) Access the lease time configuration and set the lease time to 7 days.? (Current setting is just over two hours. What time units are being used?)

3) Change the DNS Servers to Google at 8.8.8.8 and 8.8.4.4

Are you able to do the above and not lose internet connectivity?

= = = =

And on your computer are you able to access the network connection screens per the following link.

https://help.keenetic.com/hc/en-us/articles/213965849-How-to-check-the-network-adapter-settings-in-Windows-IP-address-MAC-address-and-default-gateway-

No need to change anything now. Just access the screens and explore. Note current settings. Cancel if you think you may have accidentally changed something.
Yes, 0.1 is working for Router now. Recently after updating firmware, it stopped asking for user name or password, which should be the default admin & admin. It takes to a direct create password only page, don't even need a user name! In router > System tools > password, username input missing.

  1. Can change password
  2. It is a bit confusing to me -

3.Changed to google DNS

Can change everything listed above without loosing connectivity
Yes, able to access the Network adapter and change the adapter settings. I believe the settings are set to obtain IP addresses automatically.

Update : The network went offline again, I think it happened exactly after 2hrs. Lease time isn't changing in the ipconfig/all result, regardless of whatever number plugged-in in the router lease time settings. Is something causing the lease time to remain only for 2 hours? btw, when it went offline, the 192.168.0.1 doesn't open TP link login page, and had to hard reset again.
 
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Ralston18

Titan
Moderator
What about a simple internet connection via the modem without the router involved/connected.

Did that work?

= = = =

As for the router:

If the modem alone works then the next step is to disable the modem's DHCP functions, connect router to modem and devices to router.

Ensure that the router's DHCP is enabled and that network devices are directed to the router to obtain a DHCP IP address.

On the router, change lease time to max 2880 minutes = 48 hours. The lease time should not matter but no harm in ensuring that there is no need for constant and frequent IP address renewals by network devices.

Do not use default admin names and passwords. Those are publicly published and very well known.

Use names and strong passwords of your choice.

And, as appears to be the case, if the router is again connected then look in the router's logs (provided that logs are available and enabled) for any events that occurred just before or at the time the network/internet went offline.
 

Ainez

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Sep 26, 2020
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If the modem alone works then the next step is to disable the modem's DHCP functions, connect router to modem and devices to router.

Ensure that the router's DHCP is enabled and that network devices are directed to the router to obtain a DHCP IP address.

On the router, change lease time to max 2880 minutes = 48 hours. The lease time should not matter but no harm in ensuring that there is no need for constant and frequent IP address renewals by network devices.

Do not use default admin names and passwords. Those are publicly published and very well known.

Use names and strong passwords of your choice.

And, as appears to be the case, if the router is again connected then look in the router's logs (provided that logs are available and enabled) for any events that occurred just before or at the time the network/internet went offline.
Internet connection via modem, without the router - works now. Without router the ISP agents failed to connect the internet before, there was that error message. Idk how it got fixed, and for how long it will work. As I already mentioned in the second post that, without router I was able to connect internet for a while, then error message returned, forcing me to use router.

At first, after hard reset yesterday, lease time was set to 7. After 2 hours it got disconnected. Then again had to do a hard reset, with 2880 value. The connection still went offline right after two hours.

Of course, customized with new password.

I'll be posting the logs, after two hours obviously.

Update: Looks like this time it stays online 48 hours before getting disconnected . Kept DHCP enabled, will update.
 
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