Here are some common multicast addresses. All of these are worth knowing for the CCNA.
This is by no means a comprehensive list — just some of the more noteworthy ones!
Common Multicast Addresses
| Purpose | IPv6 Address | IPv4 Address |
|---|---|---|
| All nodes/hosts (Functions like a broadcast message) | FF02::1 | 224.0.0.1 |
| All routers | FF02::2 | 224.0.0.2 |
| All OSPF routers | FF02::5 | 224.0.0.5 |
| All OSPF DRs/BDRs | FF02::6 | 224.0.0.6 |
| All RIP routers | FF02::9 | 224.0.0.9 |
| All EIGRP routers | FF02::A | 224.0.0.10 |