IPv6 Subnet Model

Document Type Expired Internet-Draft (individual)
Authors Hemant Singh  , Wes Beebee  , Erik Nordmark 
Last updated 2008-02-25
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


IPv6 specifies a model of a subnet that is different than the IPv4 subnet model. The subtlety of the differences has turned out to cause interoperability problems. This note spells out the most important difference; that an IPv6 address isn't automatically associated with an IPv6 on-link subnet prefix.


Hemant Singh (shemant@cisco.com)
Wes Beebee (wbeebee@cisco.com)
Erik Nordmark (nordmark@acm.org)

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)