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Repeater causing Websites being not reachable?

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Repeater causing Websites being not reachable?

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Repeater causing Websites being not reachable?
Repeater causing Websites being not reachable?
2024-07-12 12:33:37 - last edited 2024-07-12 12:56:05
Tags: #Network Connectivity #Access Point Mode #switch

Hey, so this is a small "schematic" of my Setup:

 

Router: Speedsport Smart 3 (Telekom)
5-Port Switch: TL-SG605E (TP-Link)
AP/Repeater: RE3000X (TP-Link)

The issue is:
My phone works perfectly fine while connected to the WiFi of the Repeater (in AP-Mode), but both PC1 and PC2 cannot access Services like Discord or Websites (apart from Google, Youtube, etc.).
But as soon as I unplug/remove the Repeater from the Switch, everything on the PCs works again - but of course my WiFi is now missing.
The same issue appears if I plug the Repeater directly into the Router.


Why not just use the Router's WiFi?
It's downstairs and it's too far away to connect to, there are 2-3 stories inbetween, so to have WiFi up where I am, I need an Access Point.

Maybe this info also helps:
I can usually access my Speedport Smart 3's Web-Interface just fine, but that connection also goes "missing" or becomes unreachable as soon as I plug in the Repeater.

DHCP is set to AUTO on all Devices and as far as I know, no Device on the network has a static IP.


What can I do to get rid of this issue?
Which Info would you need in order to get a better understanding of my issue?



Thanks a lot in advance!

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#1
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Re:Repeater causing Websites being not reachable?
2024-07-12 14:42:29 - last edited 2024-07-12 23:38:52

  @Noli1 

 

If your main router LAN IP address is in 192.168.1.0/24 subnet you could set RE3000X with a static IP address 192.168.1.254 for better experiance and easier access.

Switch your RE3000X DHCP server from Auto to OFF, reboot your router, then reboot RE3000X and test if there's an improvement.

 

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#2
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Re:Repeater causing Websites being not reachable?
2024-07-12 22:58:32

  @terziyski 
Hey, so to access my router I use "http://192.168.2.1"
Would this change anything about what you said?
Or do I just set the RE300X to static IP: 192.168.2.254 & still DHCP Off?

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#3
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Re:Repeater causing Websites being not reachable?
2024-07-12 23:11:48

  @Noli1 

 

" Or do I just set the RE300X to static IP: 192.168.2.254 & still DHCP Off? "

Yes, that's exactly what you should do and then test how it goes.

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Re:Repeater causing Websites being not reachable?
2024-07-13 12:31:11 - last edited 2024-07-13 12:45:57

  @terziyski 
Hey, I've followed your instructions and so far it works as intended.
When setting a static IP it demanded a main-DNS Server which I set to 8.8.8.8 - I hope that was the right thing to do.
The "Backup DNS Server" is still on 0.0.0.0 - should I change that?


Edit:
Nevermind it broke again.

What happened this time was:
I did NOT set a password for the WiFi (unintentionally) and it worked throughout the day.

Then I realized my mistake, went into the Repeater's web-interface and set a password for the 2.4GHz and 5GHz networks.
That's when it happened again: Sites become unreachable and only YouTube etc. works.

Could it be that WiFi's password being enabled messes with anything?
I never heard of anything like this

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#5
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Re:Repeater causing Websites being not reachable?
2024-07-13 15:26:25 - last edited 2024-07-13 15:28:16

  @Noli1

 

Me neither. I don't think that these are related. It sounds to me more like a DNS issue.

Do the following and then test again:

Set fro primary DNS your router - 192.168.2.1. Set fro backup DNS - 8.8.8.8

What's your RE3000X region, HW and FW version ? You can see that on the device bottom sticker.

 

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