Linux › Section I · Your network and its configuration › Topic I.4
IPv6 addresses and networks
Most Linux machines today run IPv4 and IPv6 side by side, often without their users noticing. This topic shows how to see a host's IPv6 addresses and routes, why one interface carries several of them, and how to test each protocol separately.
In this topic
- IPv6 is already switched on
- How Linux prints addresses
- Viewing IPv6 configuration
- Why one interface has several addresses
- Worked example: reading ip -6 address
- IPv6 routes
- Link-local addresses need an interface
- Dual stack and testing each protocol
- Worked example: checking addresses with Python
- Common mistakes to avoid
- Key takeaways
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