PPPOE does not work on TPLINK but works on ASUS
PPPOE does not work on TPLINK but works on ASUS
Hello,
I have a very strange problem. Sometime ago my there was a huge outage of ISP due to cabling owner company issue. Since that time, my connection is generally ok, but sometmes, during router reboot it have problems with connetiong with ppoe.
As I get from the ISP - they are not using vlans (it is termineted on ONT). I have correct ppoe user/pass. ISP is not filtering WAN port MAC. Still there is an issue. I tried different modes from tplink (ie AX53) but simply it not working. After c/a 24h it starts workin again. resseting and disconnecting cables do not help.
In logs there are:
2026-04-04 17:14:39 PPP INFO [7402] pppoe send PADR Host-Uniq(1cea)
2026-04-04 17:14:39 PPP INFO [7402] pppoe receive PADO form AC-MAC(04:f4:1c:16:89:b3)
2026-04-04 17:14:39 PPP INFO [7402] pppoe receive PADO AC-Name(MikroTik)
2026-04-04 17:14:39 PPP INFO [7402] pppoe send PADI Host-Uniq(1cea)
I googled that PADS message is missing.
now the clue:
I get from ISP taht ASUS routers do not face this issue. I checked that and simply providin pppoe user/pass make internet back again.
Connecting tplink - not working.
Connecting asus - working
conecting tplink - not wokring.
After few hours (<24) tplink will be working again.
@TPlink can you explain this? I've been using tplink since for ever, but this is very disapining.
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AX55 is working 90% of time. If there is power outage in 9/10 cases it will work. 1/10 - I have to wait <24h so it starts working again. This is random, but stills Asus connects 10/10. But if it happened, it is visible for many hours, but it is hard to replicate.
This is somehow related to ISP. As I mentioned in my first posts, there was network equipement issue on ISP side and since then I am facing this problem. It is confirmed that TP link devices are affected only.
I do not have access at the moment to that location unfortunatelly, so I cannot provide more info.
But if you have any diagnostic tools/commands or anything that can help debug this, I will run it when issue occures again.
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Hello @5h4dow ,
Thanks for getting back to us.
Therefore, it is indeed possible that your ISP's ONT settings have changed, causing occasional connection failures with your router.
Have you noticed the indicator lights on your router when a connection fails? For example, is the internet light red or remains solid green?
May I know the model of your ISP ONT? And who is your ISP? By the way, when did you buy the router?
Please change the Router's DNS Server, log in to the Router's web management interface, go to Advanced > Network > Internet > Advanced Settings, and set the two DNS Servers to 8.8.8.8 and 8.8.4.4. How to Change the DNS servers on the wireless router and DSL modem router (New UI)?
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I got info from ISP that the issue was caused by Microtic bugs. Since update there are no problems with tplink pppoe.
Still this is strange that asus was able to connect sucessfully.
I wont be able to reproduce this issue at all.
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Hello @5h4dow ,
Therefore, it seems that the ASUS router may not be affected by the Microtic bug.
In any case, it's good that a stable connection has been restored in the end.
Please feel free to contact us if you have further questions.
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