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Archer BE800 Intermittently Dropping Internet

Archer BE800 Intermittently Dropping Internet

Archer BE800 Intermittently Dropping Internet
Archer BE800 Intermittently Dropping Internet
2025-02-03 01:01:00
Model: Archer BE800  
Hardware Version: V1
Firmware Version: 1.1.6 Build 20240808 rel.26673(5553)

I just bought an Archer BE800. I love the features and speed when it works, but I've been fighting issues every day trying to get basic things to work. It is connected to a Motorola MB8611 cable modem on Xfinity.

 

I have the latest released firmware:

Firmware Version:1.1.6 Build 20240808 rel.26673(5553)

Hardware Version:Archer BE800 v1.0


My first problem which now seems to be resolved was my wired internet speeds were very low, like 20-40 mpbs (my service is 1Gbps speed), but I got almost 1GBs on wifi. This seems to have been resolved by in the Network->Internet tab of the web interface, by changing the "Internet Port Negotiation Speed Setting" from Auto Negotiation to 1000Mbps Full Duplex temporarily but then changing it back to Auto Negotiation.

 

However, my current problem is that I seem to lose all internet connectivity several times a day and the router shows the ! on the LEDs. Both wired and wireless lose internet access. My wifi networks are still there, but just have no internet access. After a few minutes it comes back up on its own.

 

So it seems like there is a problem between the WAN port (I'm on port 1 of the combo port) and my cable modem. I've used the same modem for years with zero problems until I replaced my really old Asus wifi router with the BE800.

 

I tried changing the Internet Port Negotiation Speed Setting" from Auto Negotiation and left it at 1000Mbps Full Duplex since my last router was only 1Gbps. Since I made that change it seems to be better, but did still happen once today. I'll keep it like this for a while to see if it helps.

 

I've done all the standard troubleshooting such as power cycling everything many times. I've tried multiple ethernet cables including the cat5e that I used for years with my old router and the cat6a that came with the BE800.

 

I think the problem is probably the BE800 since it started when I got it, but acknowledge that it could be the cable modem as well but have had no problem with the modem for years.

 

How can I diagnose if the BE800 or the cable modem is the problem?

 

Do you have any suggestions on how to get this most basic of functionality to work?


Thanks.

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#1
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4 Reply
Re:Archer BE800 Intermittently Dropping Internet
2025-02-03 12:03:29

  @DigitalMan 

 

Check the modem logs to see it it records things when the loss happens. The issue is there is not much info on the info in the logs, I have the same modem and Xfinity. Been very solid. You can connect a computer direct to the modem and see if it ever drops. 

 

Next I would move cables around very slowly including the one coming from Xfinity watching for a loss of service. While watching for loss of service using something like u-tube remember it buffers the service so there will be a delay in the loss. It may be in the connector in the modem or router. 

 

Be sure you are using the correct power adapter for the modem and router. So easy to use the one from the previous unit. 

 

If using USB devices, disconnect them and see if anything changes. Next I would remove each Ethernet connection one at a time to see if anything changes.  

 

If using a UPS, bypass it for a bit as when the battery starts to die, strange things happen. 

 

 

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#2
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Re:Archer BE800 Intermittently Dropping Internet
2025-02-04 04:09:49

  @DigitalMan If you want you can give this beta firmware a try.  I have been using it for 2 months now with no issues.

 

 

Archer BE800 New Firmware: Added Support for EasyMesh in AP Mode, DoH/DoT, and 3-Band MLO Connection - Home Network Community

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#3
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Re:Archer BE800 Intermittently Dropping Internet
2025-02-19 19:36:31

  @DigitalMan 

 

I wanted to post an update that in the end, the problem did not end up being the BE800. The problem ended up being that my cable modem was going bad and just happened to start dropping the connection right at the time I got my BE800. Both on the August FW build and the new one just released, the BE800 has been solid once I replaced my cable modem.

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#4
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Re:Archer BE800 Intermittently Dropping Internet
a week ago

  @DigitalMan  

 

Hi big guy, having the same problem off and on for the past month after receiving my BE800.Hopefully I have boiled it down to the same problem. Only thing is my system has the 1.2.4 FW update installed. Nothing extra turned on inside the router. Just 2.4/5ghz wifi. on it's own channel. Everything else factory specs. I would just be setting on my desktop and the internet would drop out for a few mintues. On 8/26/25 it dropped out and was gone for 2 hrs. between 5-7 pm. I would connect straight into the desktop and it came back on.Connected back into the router and and the two ( modem& router) would not see each other. Now I was using new Wifi 7 shielded cables/Flat made. My whole household went down.  I had the ISP come out and replace the modem with a new one. The had to do a FW update on the new modem. Once done they connected back into the desktop first. It came on and connected, but then lost connection again. Finally came back, and connected to the router. came on but went out again. Now the router has been reset to factory specs and setup again prior to this. That's when tech asked what type of cables are these. I said wifi 7 shielded from Amazon, package of 4 for 30 bucks. He advised he would change them out for shielded& twisted round Cat5e. The minute he connected the cables everything connected.I moved the cables on the back of the router and it show the Big exclamation sign on the LED screen foe a second or two then went back off and was connected. Now I'm not sure if it was a combination of modem, along with the cables. The RJ45 connection on the back of the router, or new FW is needed. But it appears things need to looked at by TP Link on their end. 

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#5
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