Is IGMP backwards compatible?

IGMPv3 supports source-specific join and leave messages and is backward compatible with IGMPv1 and IGMPv2.

Should IGMP snooping be enabled?

When to Enable IGMP Snooping for Home Use For a home based network, you should enable it when you frequently use any kind of streaming or mirroring from your devices to stream to Apple TV or Chromecast. In some brand firmware such as Asus, enabling IGMP Snooping can fix some of the Apple TV Airplay mirroring issues.

What’s the difference between IGMPv1 and 2?

IGMPv2 is the second and advanced version of IGMPv1. And version 2 is the default IGMP version in Cisco devices. Here, in IGMPv2 the Membership Queries sent by the router can be group specific or as the same as IGMPv1 (to all the routers). IGMPv2 works like version 1 but with a big difference. This difference is Leave Group Messages.

Which is the advanced version of IGMP in Cisco?

IGMPv2 is the second and advanced version of IGMPv1. And version 2 is the default IGMP version in Cisco devices. Here, in IGMPv2 the Membership Queries sent by the router can be group specific or as the same as IGMPv1 (to all the routers). IGMPv2 works like version 1 but with a big difference.

Is the IGMP table compatible with other routers?

If after three IGMP Query attempt, there is no Membership Report, then that multicast member deleted form the IGMP table of router. IGMP1 is not compatible with other versions. If one version 1 routers exist in the network, all of them must work like it. IGMPv2 is the second and advanced version of IGMPv1.

What are the different versions of IGMP snooping?

IGMP has three protocol versions: V1, V2, and V3. Correspondingly, you can choose an IGMP snooping version on a Layer 2 device to process IGMP messages in different versions. Generally, IGMPv1 identifies the queried router based on the multicast routing protocol.