Remember 6to4
Full name: IPv6-to-IPv4 automatic tunneling mechanism
Memory aid: Six travels over Four through an automatic tunnel.
6to4 is a protocol designation, not a word acronym; relay-dependent deployments are deprecated.
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
6to4 — IPv6-to-IPv4 automatic tunneling mechanism
Names a historical mechanism for carrying IPv6 traffic across IPv4 infrastructure.
Why learn 6to4 — IPv6-to-IPv4 automatic tunneling mechanism?
Names a historical mechanism for carrying IPv6 traffic across IPv4 infrastructure.
Where it came from
6to4 is a protocol designation, not a word acronym; relay-dependent deployments are deprecated.
- Memory aid (a learning cue, not the expansion): Six travels over Four through an automatic tunnel.
Build your understanding
Work through these exercises in order. Try the task before opening a reference.
- Without looking, expand 6to4: IPv6-to-IPv4 automatic tunneling mechanism.
- Recall this memory aid: Six travels over Four through an automatic tunnel.
- Explain the practical use: Names a historical mechanism for carrying IPv6 traffic across IPv4 infrastructure.
- Explain this distinction: 6to4 is a protocol designation, not a word acronym; relay-dependent deployments are deprecated.
- Identify 6to4 in a device specification, architecture diagram, or system inventory.
Documentation and sources
- IETF RFC 7526 (www.rfc-editor.org)