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Remember MLD

Full name: Multicast Listener Discovery

Memory aid: Multicast Listeners are Discovered on the IPv6 link.

MLD is the IPv6 membership counterpart to IPv4 IGMP behavior.

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

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Networking & Connectivity / Knowledge library

MLD — Multicast Listener Discovery

Reports IPv6 multicast listener membership.

Acronym study batch 7 · reviewed 2026-10-20

Why learn MLD — Multicast Listener Discovery?

Reports IPv6 multicast listener membership.

Where it came from

MLD is the IPv6 membership counterpart to IPv4 IGMP behavior.

Build your understanding

Work through these exercises in order. Try the task before opening a reference.

  1. Without looking, expand MLD: Multicast Listener Discovery.
  2. Recall this memory aid: Multicast Listeners are Discovered on the IPv6 link.
  3. Explain the practical use: Reports IPv6 multicast listener membership.
  4. Explain this distinction: MLD is the IPv6 membership counterpart to IPv4 IGMP behavior.
  5. Identify MLD in a device specification, architecture diagram, or system inventory.

Documentation and sources

Catalog source: technology-maxxing. This page reproduces the existing catalog’s learning material and source links.