Is IGMP v3 backwards compatible with IGMPv2?
IGMPv3 supports source-specific join and leave messages and is backward compatible with IGMPv1 and IGMPv2.
What is the IGMPv2 protocol?
IGMPv2 : IGMPv2 is the revised version of IGMPv1 communication protocol. It has added functionality of leaving the multicast group using group membership.
What is IGMP on router?
The Internet Group Management Protocol (IGMP) is a protocol that allows several devices to share one IP address so they can all receive the same data. IGMP is a network layer protocol used to set up multicasting on networks that use the Internet Protocol version 4 (IPv4).
Is IGMP good for gaming?
IGMP can be used for online streaming video and gaming, and can allow more efficient use of resources when supporting these types of applications.
What is the definition of IGMP V3 RFC?
IGMPv3 is defined in IGMP RFC 3376 and later RFC 4604. V3 adds support for “source filtering” which enables a multicast receiver host to inform to a router the groups from which it wants to receive multicast traffic and from which sources this traffic is expected.
Which is the latest version of the IGMP protocol?
The latest version (and probably the final version) of IGMP is IGMPv3. IGMPv3 is defined in RFC 3376 and then updated by RFC 4604. The main improvement IGMPv3 has, when compared with IGMPv2, is the support for Source-Specific Multicasting (SSM).
What does the s flag mean in IGMPv3?
Group Address field in IGMPv3 message contains the Class D multicast address of the multicast group. S Flag is used to suppress processing by routers. This field indicates that the routers that receive this message should not process it.
How to join a multicast group using IGMPv3?
To join a multicast group, multicast clients send IGMPv3 Membership Report (MR) (twice, one after the other) to link-local multicast address 224.0.0.22 (All IGMPv3-capable multicast routers) with an empty EXCLUDE list.