What is the maximum prefix length for an IPv6 subnet?
Understand the Problem
The question is asking about the maximum prefix length that can be assigned to an IPv6 subnet, which relates to networking and internet protocol standards.
Answer
/128
The maximum prefix length for an IPv6 subnet is /128.
Answer for screen readers
The maximum prefix length for an IPv6 subnet is /128.
More Information
An IPv6 address allows up to 128-bit prefix length, which is equivalent to a single host.
Tips
A common mistake is confusing commonly used subnet sizes like /64 or /48 with the maximum possible length.
Sources
- Subnet masks (IPv4) and prefixes (IPv6) - IBM - ibm.com
- IPv6 minimum and maximum prefix lengths - Notes - notes.networklessons.com
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