# Support of IGMP V3 for multicast networks

**URL:** <https://community.wowza.com/t/support-of-igmp-v3-for-multicast-networks/54784>\
**Category:** Wowza Streaming Engine\
**Created:** [March 11, 2020, 11:35am UTC](https://community.wowza.com/t/support-of-igmp-v3-for-multicast-networks/54784 "2020-03-11T11:35:51Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Richard\_Pialat](https://avatars.discourse-cdn.com/v4/letter/r/439d5e/32.png) [@Richard\_Pialat](https://community.wowza.com/u/Richard_Pialat)\
**Post date:** [March 11, 2020, 11:35am UTC](https://community.wowza.com/t/support-of-igmp-v3-for-multicast-networks/54784/1 "2020-03-11T11:35:51Z")

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Hello,

We have an internal multicast network where we must use IGMP v3 compatible solutions to subscribe to streams. Is Wowza Streaming Engine compatible? If not is there a reason and is there a way to have this feature implemented?

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<div class="post-metadata">

**Author:** ![Rose\_Power-Wowza\_Com](https://sea2.discourse-cdn.com/flex002/user_avatar/community.wowza.com/rose_power-wowza_com/32/431_2.png) [@Rose\_Power-Wowza\_Com](https://community.wowza.com/u/Rose_Power-Wowza_Com)\
**Post date:** [March 11, 2020, 2:08pm UTC](https://community.wowza.com/t/support-of-igmp-v3-for-multicast-networks/54784/2 "2020-03-11T14:08:37Z")

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Yes, Engine supports IGMPv3 as of the release of Wowza Streaming Engine update 4.7.8. This is possible when ingesting MPEG-TS sources from IGMPV3 with IPV4 IP addresses.

_\*Note: Here’s our [article](https://www.wowza.com/docs/how-to-create-and-use-stream-files-in-wowza-streaming-engine-manager) on creating .stream files in WSE._

The application ingesting the multicast source(s) requires an application level property `igmpV3IPV4SourceAddress` be enabled.

In the following section of our [article on how to specify per-stream settings in Wowza Streaming Engine .stream files](https://www.wowza.com/docs/how-to-specify-per-stream-settings-in-stream-files#common), it shows the following common parameters can be set in .stream files for all stream types:

```auto
{
    uri:"udp://192.168.1.100:10000",
    streamTimeout:5000,
    reconnectWaitTime:3000,
    igmpV3IPV4SourceAddress:192.168.1.6 }

```

igmpV3IPV4SourceAddress: String

Specifies the IP address to use when filtering multicast streams by their source address with IGMPv3. This applies to MPEG-TS and native RTP-based UDP streams only.