➜ grep
$ cat multicast-basics.md

Multicast Basics

March 21, 2011 • 1 min read
⚠️ This post is archived. The content is likely outdated and is kept for historical context only.

IP range is 224.0.0.0 – 239.255.255.255

Well known link local addresses assigned by IANA (reserved use of 224.0.0.0 – 224.0.0.255;

  • 224.0.0.1 – All Multicast systems on a subnet
  • 224.0.0.2 – All routers n subnet
  • 224.0.0.4 – All DVMRP routers
  • 224.0.0.13 – All PIMv2 routers
  • 224.0.0.5 – OSPF routers
  • 224.0.0.6 – All OSPF DR’s
  • 224.0.0.9 –  RIPv2 routers
  • 224.0.0.10 – EIGRP

First Hop router – closest to source

Last Hop router – closest to reciever

Multicast Sources

  • Create a session or group and announce via session announcement
  • Originate multicast data and send it to a multicast group
  • Apply proper actions if feedback info is available