# References

For more information about IGMP, see the following resources:

- IGMP-based Multicast Forwarding (“ IGMP Proxying” )—draft-ietf-magma-igmp-proxy-00.txt (May 2002 expiration)
- RFC 2236—Internet Group Management Protocol, Version 2 (November 1997)
- RFC 2933—Internet Group Management Protocol MIB (October 2000)
- RFC 3292—General Switch Management Protocol (GSMP) V3 (June 2002)
- RFC 3376—Internet Group Management Protocol (October 2002)
- GSMP extensions for layer2 control (L2C) Topology Discovery and Line Configuration—draft-wadhwa-gsmp-l2control-configuration-00.txt (July 2006 expiration)