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Bizarre HTTPS Connection Issue: Every Other New Connection Times Out (TP-Link Omada ER8411 + KPN)

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Bizarre HTTPS Connection Issue: Every Other New Connection Times Out (TP-Link Omada ER8411 + KPN)

30 Reply
Re:Bizarre HTTPS Connection Issue: Every Other New Connection Times Out (TP-Link Omada ER8411 + KPN)
a week ago
Yes we are also waiting. Is it even possible to degrade from 3.1.6 to 3.1.5 ?
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#24
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Re:Bizarre HTTPS Connection Issue: Every Other New Connection Times Out (TP-Link Omada ER8411 + KPN)
a week ago
did you get an answer? We are also watiing for the new firmware
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#25
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Re:Bizarre HTTPS Connection Issue: Every Other New Connection Times Out (TP-Link Omada ER8411 + KPN)
a week ago
Where can I Download Beta. What is inside the Beta? Can it ruin something? When will be the official release with the fix?
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#26
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Re:Bizarre HTTPS Connection Issue: Every Other New Connection Times Out (TP-Link Omada ER8411 + KPN)
Saturday - last edited Saturday
$ cat omada.sh
#!/bin/bash
_x=1
_host="https://..."
while [ $_x -le 5 ];
do
    curl --no-keepalive --silent --connect-timeout 3 "$_host" -o /dev/null
    echo "attempt #$_x: exit code $?"
    sleep 1
    _x=$(( $_x + 1 ))
done
$ 
$ ./omada.sh
attempt #1: exit code 0
attempt #2: exit code 28
attempt #3: exit code 0
attempt #4: exit code 28
attempt #5: exit code 0

 

@Ethan-TP 

 

Would it be possible to get the beta firmware as well (model: ER8411 v1.0, running v1.3.6)?

 

I suspect that I'm seeing the same TCP issue, since timeouts stop occurring after switching WAN from PPPoE --> static/DHCP.

 

Thank you!

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#27
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Re:Bizarre HTTPS Connection Issue: Every Other New Connection Times Out (TP-Link Omada ER8411 + KPN)
Yesterday

Hi,@ahr0 

To better assist you, I've created a support ticket via your registered email address and escalated it to our support engineer to look into the issue. Please check your email box and ensure the support email is well received. Thanks!

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#28
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Re:Bizarre HTTPS Connection Issue: Every Other New Connection Times Out (TP-Link Omada ER8411 + KPN)
Yesterday

Hi,  @Borm 

I've created a support ticket via your registered email address. Please check your inbox, thank you!

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#29
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Re:Bizarre HTTPS Connection Issue: Every Other New Connection Times Out (TP-Link Omada ER8411 + KPN)
Yesterday - last edited Yesterday

  @Jeremy_12 

 

Message received - thank you!

 

Edit: Uploaded the new firmware and can confirm that the issue is resolved. Did a few throughput tests with IDS/IDP + DPI with no issues as well.

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#30
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Re:Bizarre HTTPS Connection Issue: Every Other New Connection Times Out (TP-Link Omada ER8411 + KPN)
9 hours ago

  @Jeremy_12 

Hi,

saw some hints on how to deal with this here: https://community.tp-link.com/en/business/forum/topic/848156?sortDir=ASC&page=4

but instead of tweaking individual configurations, I would also want to contribute by testing the beta FW.

 

Can this be sent?

 

Thanks!

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#31
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Re:Bizarre HTTPS Connection Issue: Every Other New Connection Times Out (TP-Link Omada ER8411 + KPN)
6 hours ago

  @Eg64 

Thanks for the hint. I have already read that and the workaroung with changing the mtu on all clients is not the fancy way to do it. I mean imagine need to change MTU on 1000 Clients.

 

We found something better. It is a solution which completely skips the bug.

We changed WAN connection instead of using PPPoE to DMZ or IP Passthrough. Now we have no problems, even with the bug.

But, it would be nice to use PPPoE because our second WAN connection still uses PPPoE.

 

So in summary, while using WAN 1 it works with DMZ and when using WAN 2 PPPoE we have still issues.

 

We probably will wait until main release for this issue. 

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#32
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Re:Bizarre HTTPS Connection Issue: Every Other New Connection Times Out (TP-Link Omada ER8411 + KPN)
5 hours ago

  @Borm 

Thanks - but I only have a PPPoE option to connect ..... :-(, hence my ask for the Beta-FW.

 

What's however interesting, at least looking at results of ChatGPT on ER8411 and MSS-Clamping (and not sure about hallucinations;-)) is that the problem does not occur with all PPPoE ISPs equally. Which - to a certain effect - I can confirm: two sites/two PPPoE ISPs/two ER8411 V1 in my configuration -> Problems with arcor/vodafone, no problems with 1&1. Interestingly, both seem to be Telekom resellers, i.e., at least working with a Telekom configuration - VLAN 7.

 

Advise given by ChatGPT to solve the issue is to configure serveral hardware & protocol-related values in a specific manner. Point is that I do not want to set/try out specific configurations - which may work or not, I simply want to have a running configuration via firmware.

 

And fully agree, adaptations on client side is a non-option; solution needs to be router/server-side.

 

Br's Thomas

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#33
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