Remember IGMP
Full name: Internet Group Management Protocol
Memory aid: Internet hosts tell the router which Groups they join.
IGMP membership signaling is different from multicast routing between routers.
Study area: Protocols & logical ports · Batch 7
Relevant study for: CompTIA Network+ N10-009 · Cisco CCNA 200-301 · CompTIA A+ Core 1 220-1201 · CompTIA Security+ SY0-701 · ISC2 CISSP 2024 outline
Practice with exam flashcards →Networking & Connectivity / Knowledge library
IGMP — Internet Group Management Protocol
Manages IPv4 multicast group membership between hosts and local routers.
Why learn IGMP — Internet Group Management Protocol?
Manages IPv4 multicast group membership between hosts and local routers.
Where it came from
IGMP membership signaling is different from multicast routing between routers.
- Memory aid (a learning cue, not the expansion): Internet hosts tell the router which Groups they join.
Build your understanding
Work through these exercises in order. Try the task before opening a reference.
- Without looking, expand IGMP: Internet Group Management Protocol.
- Recall this memory aid: Internet hosts tell the router which Groups they join.
- Explain the practical use: Manages IPv4 multicast group membership between hosts and local routers.
- Explain this distinction: IGMP membership signaling is different from multicast routing between routers.
- Identify IGMP in a device specification, architecture diagram, or system inventory.
Documentation and sources
- IETF RFC 3376 (www.rfc-editor.org)