NETWORK DIAGRAM

IPv6 Transition Mechanisms Lab: Dual-Stack, 6to4, and NAT64

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UPDATED 2026-09-08
EXAMPLEIPv6 Transition Mechanisms Lab: Dual-Stack, 6to4, and NAT64
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CASE ANALYSIS

Scenario

An IPv6 testbed demonstrates dual-stack, 6to4 tunneling, and NAT64/DNS64 translation, with dual-stack and IPv6-only clients accessing IPv4 resources.

Key decisions

  • Tiered layout separates internet edge, core routers, and access switch
  • 6to4 relay is modeled as a router with a dedicated tunnel link to the internet
  • DNS64 server placed on access VLAN 100 to support NAT64 name resolution

When to reuse this

Reuse for IPv6 migration labs, training topologies, or documentation of transition mechanism interoperability.

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