TL-7206, SG2428P and IGMP v3 Magenta TV

TL-7206, SG2428P and IGMP v3 Magenta TV
TL-7206, SG2428P and IGMP v3 Magenta TV
2021-10-18 16:09:40 - last edited 2021-10-23 08:57:05
Hardware Version: V1
Firmware Version:

Hi all,

 

I'm setting up my Omada network and got an issue. 

 

I'm customer from Telekom Germany and using a Media Receiver 401 and 201 for the Magenta TV. When I start the TV it's way faster than before, but after ca. 30 seconds, the screen freezes and I get the error message, that the bandwith is not enough. When I change the channel, same game. Parallel Speedtests results are ca. 100MByte down/40MByte up... 

 

I fear, that's a IGMP v3 problem (the reason, that I now have the Omada system and not Unifi, because, there it's a known problem...)

 

My setup: Telekom Speedport Smart 3 in modem mode for DSL -> TL-7206 Router -> SG2428P Switch -> Media Receiver Telekom. In parallel the OG200 controller.

 

I configured the IGMP proxy enabled in the Router with version 3. I created a vlan interface "tv", enabled IGMP snooping and mapped it to the Switch port where the Media Receiver is connected. 

 

Do I have a mistake inside my setup?

 

Thanks in advance,

Lars 

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#1
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Re:TL-7206, SG2428P and IGMP v3 Magenta TV
2021-10-19 12:16:28 - last edited 2021-10-19 14:55:46

Hi,

 

I did some further researches, but still no progress. 

 

I found an TL-SG105e v5 switch and connected it with one of the LAN Ports of my ER7206 Router. After that I connected the Telekom Media Receivers to the little 5 port switch. But the result was the same. After a few seconds, the screen freezes. 

 

 

Eventually I could set up the little switch between the Speedport "Modem" and the ER7206 Router, but then I would lost the possibility to reach the Media Receivers from my mobile phone, that's connected over the AP/24port Switch, right?

 

Best regards,

Lars

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Re:TL-7206, SG2428P and IGMP v3 Magenta TV
2021-10-22 14:59:29

Hi, 

 

here are some screenshots of my Omada configuration. 

 

The connection to the Media Receiver is now back on Port 5 of the SG2428P switch.

 

Router settings:

 

 

VLAN for the media receiver: 

 

The profile (nothing tagged/unteagged... is that correct?):

 

 

The mapping to the Port of the Switch: 

 

And I just saw, that there is a Switch option to enable VLANs... I didn't change anything there, tv is disabled?

 

IGMP snooping is disabled for the other VLAN interfaces, except LAN. Can't do changes there...

 

I would be so happy, if you have an idea, what I can try as next steps. The internet connection, LAN, Wifi, telephone, everything runs perfect but without TV I get no approval from my wife :-)

 

Best regards,

Lars

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Re:TL-7206, SG2428P and IGMP v3 Magenta TV
2021-10-22 15:38:21

@Orandus 

Try to enable igmp proxy on router

 

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Re:TL-7206, SG2428P and IGMP v3 Magenta TV
2021-10-22 15:43:04

@shberge thanks for the reply. I tried it, with IGMP proxy enabled, but it didn't work. On the screenshot you see my last attemp with disable the proxy. 

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#5
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Re:TL-7206, SG2428P and IGMP v3 Magenta TV
2021-10-22 16:06:34

@Orandus 

I'm pretty sure you did everything right, but you probably need to have IGMP Proxy on the router.
I do not have any IPTV self so I can not help you with the testing either, to me it sounds like there is a bug in the firewall.
It has not been completely without problems with ER7206 and ER605, I have probably never in my 25 years in IT had so many problems with a router before.
but tp-link is working hard to fix the issues so I think it will be fine in the end.
You should contact tp-link support if you have not done so. they may be able to help you. you can meet them this e-mail adress support.smb@tp-link.com
it's nice if you post the solution here if you find any solution.

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Re:TL-7206, SG2428P and IGMP v3 Magenta TV
2021-10-22 17:04:52

@shberge yes, I'll try the support now. My hope was a fast answer out of the community with: "Hey, set this to that and it will run", but it seems to be not so easy :-) I'll come back, when I have a solution. Have a nice weekend!

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#7
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Re:TL-7206, SG2428P and IGMP v3 Magenta TV
2021-11-01 16:16:41

Hi,

 

today I got answer from support: It's a known issue between ER7206 and the Deutsche Telekom Media Receivers. They are working on a fix and will deliver it in the near future. 

 

I asked, what "near future" means and if there is no work around, but they didn't answer the first question and answered that there is no work around, but a german R&D team is working on it... Was not the solution I expected.

 

I'm wondering, if I should enable the Router functions of the Telekom Speedport again and put the ER7206 as second Router (double NAT) behind it. Then I could connect the "TV" ports directly with the Telekom Router and the rest of the network with the ER7206. Is a dirty solution and I'm not sure if it works... And I have no connection from my mobile phone to the Media Receivers.

 

Best regards;

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#8
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Re:TL-7206, SG2428P and IGMP v3 Magenta TV
2 weeks ago

The support asked for a TeamViewer debugging session and sent a debug patch to me. It seems, that there will be some progress on that topic. Will come back after the session this week.

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