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RFC 4941, "Privacy Extensions for Stateless Address Autoconfiguration in IPv6", September 2007

Source of RFC: ipv6 (int)

Errata ID: 3240
Status: Verified
Type: Technical

Reported By: Alfred Hoenes
Date Reported: 2007-10-12
Verifier Name: Brian Haberman
Date Verified: 2012-06-01

Section 3.3 says:

   4.  When creating a temporary address, the lifetime values MUST be
       derived from the corresponding prefix as follows:

       *  Its Valid Lifetime is the lower of the Valid Lifetime of the
          public address or TEMP_VALID_LIFETIME.

       *  Its Preferred Lifetime is the lower of the Preferred Lifetime
          of the public address or TEMP_PREFERRED_LIFETIME -
          DESYNC_FACTOR.

It should say:

   4.  When creating a temporary address, the lifetime values MUST be
       derived from the corresponding prefix as follows:

       *  Its Valid Lifetime is the lower of the Valid Lifetime of the
          prefix and TEMP_VALID_LIFETIME.

       *  Its Preferred Lifetime is the lower of the Preferred Lifetime
          of the prefix and TEMP_PREFERRED_LIFETIME - DESYNC_FACTOR.

Notes:

The language of RFC 4941 has been 'upgraded' from RFC 3041 by
replacing the confusing language related to "global addresses"
by correctly speaking about "prefixes" when referring to
information obtained in RA Prefix Options.
Unfortunately, in one place this 'upgrade' has been missed.

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