# Simulcast not working with various configs

**URL:** <https://mediasoup.discourse.group/t/simulcast-not-working-with-various-configs/1173>\
**Category:** mediasoup libraries\
**Created:** [June 3, 2020, 9:53am UTC](https://mediasoup.discourse.group/t/simulcast-not-working-with-various-configs/1173 "2020-06-03T09:53:03Z")\
**Posts on this page:** 6\
**Page:** 1

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**Author:** ![Sigma721](https://avatars.discourse-cdn.com/v4/letter/s/aca169/32.png) [@Sigma721](https://mediasoup.discourse.group/u/Sigma721)\
**Post date:** [June 3, 2020, 9:53am UTC](https://mediasoup.discourse.group/t/simulcast-not-working-with-various-configs/1173/1 "2020-06-03T09:53:04Z")

</div>

Hi

I am new to MediaSoup(replacing an existing SFU with it).

I am struggling to get Simulcast working(I have read what I can find on Discourse, Google Groups, and the documentation).

Here are Pastebin links sharing my server/publisher and consumer configs:  
Setup option 1: [https://pastebin.com/n4w4a8bv](https://pastebin.com/n4w4a8bv)  
Setup option 2: [https://pastebin.com/FhNqnuAx](https://pastebin.com/FhNqnuAx)

In both setups, when I log producerTransport.getStats(), I only have one stream uploading. I have tried various browsers due to issues mentioned relating to browsers such as these:

- mediasoup.discourse.group/t/simulcast-sends-only-one-stream/694/3
- mediasoup.discourse.group/t/simulcast-inconstant-fps-and-some-random-freeze/1026/2

Can anyone give me some advice please?

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<div class="post-metadata">

**Author:** ![ibc](https://yyz2.discourse-cdn.com/free1/user_avatar/mediasoup.discourse.group/ibc/32/1540_2.png) [@ibc](https://mediasoup.discourse.group/u/ibc)\
**Post date:** [June 3, 2020, 10:00am UTC](https://mediasoup.discourse.group/t/simulcast-not-working-with-various-configs/1173/2 "2020-06-03T10:00:13Z")

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I don’t understand. How are you calling transport.produce() in **mediasoup-client**?

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<div class="post-metadata">

**Author:** ![Sigma721](https://avatars.discourse-cdn.com/v4/letter/s/aca169/32.png) [@Sigma721](https://mediasoup.discourse.group/u/Sigma721)\
**Post date:** [June 3, 2020, 10:24am UTC](https://mediasoup.discourse.group/t/simulcast-not-working-with-various-configs/1173/3 "2020-06-03T10:24:07Z")

</div>

This is what I am calling from publisher and consumer:  
[pastebin.com/SJvpJ19g](http://pastebin.com/SJvpJ19g)

This is the output from both:  
[https://pastebin.com/Dd5hPKBe](https://pastebin.com/Dd5hPKBe)

I do not see more than one feed being sent from the publisher which is what is confusing me. Obviously if my publisher is not sending multiple streams, then I will not be able to set my consumer to use different options.

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<div class="post-metadata">

**Author:** ![ibc](https://yyz2.discourse-cdn.com/free1/user_avatar/mediasoup.discourse.group/ibc/32/1540_2.png) [@ibc](https://mediasoup.discourse.group/u/ibc)\
**Post date:** [June 3, 2020, 12:06pm UTC](https://mediasoup.discourse.group/t/simulcast-not-working-with-various-configs/1173/4 "2020-06-03T12:06:21Z")

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I cannot check full logs, sorry. Please paste here (within code marks) how you are calling transport.produce() **mediasoup-client**. You did not show that in previous pastebins.

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<div class="post-metadata">

**Author:** ![Sigma721](https://avatars.discourse-cdn.com/v4/letter/s/aca169/32.png) [@Sigma721](https://mediasoup.discourse.group/u/Sigma721)\
**Post date:** [June 3, 2020, 12:26pm UTC](https://mediasoup.discourse.group/t/simulcast-not-working-with-various-configs/1173/5 "2020-06-03T12:26:58Z")

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The logging that I do in publisher and consumer

```auto
###Publisher###
          async function getStatsProducer(){
            console.log('producerTransport.getStats()')
            let stats = await producerTransport.getStats();
            stats.forEach(s => console.log(s));
            };
            let getStatsResult = setInterval(() => getStatsProducer(), 10000);
 
#producerTransport = device.createSendTransport(params);
###Publisher###
 
###Consumer###
      async function getStatsConsumer(){
        console.log('consumerTransport.getStats()')
        let stats = await consumerTransport.getStats();
        stats.forEach(s => console.log(s));
        };
        let getStatsResult = setInterval(() => getStatsConsumer(), 30000);
 
#consumerTransport = device.createRecvTransport(params);
###Consumer###

```

The response from publisher, showing a single feed being sent up

```auto
{id: "RTCVideoSource_1", timestamp: 1591187170008.823, type: "media-source", trackIdentifier: "5e0ee2aa-3c1c-4350-8ef7-81fed901a9f2", kind: "video", …}
framesPerSecond: 30
height: 480
id: "RTCVideoSource_1"
kind: "video"
timestamp: 1591187170008.823
trackIdentifier: "5e0ee2aa-3c1c-4350-8ef7-81fed901a9f2"
type: "media-source"
width: 640

```

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<div class="post-metadata">

**Author:** ![ibc](https://yyz2.discourse-cdn.com/free1/user_avatar/mediasoup.discourse.group/ibc/32/1540_2.png) [@ibc](https://mediasoup.discourse.group/u/ibc)\
**Post date:** [June 3, 2020, 12:32pm UTC](https://mediasoup.discourse.group/t/simulcast-not-working-with-various-configs/1173/6 "2020-06-03T12:32:44Z")

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Believe me or not but you are not answering my question. Sorry, cannot help.