[lwip-devel] [bug #47923] on-link prefix cancellation issue

[abhi]

URL:
  <http://savannah.nongnu.org/bugs/?47923>

                 Summary: on-link prefix cancellation issue
                 Project: lwIP - A Lightweight TCP/IP stack
            Submitted by: abhiambure
            Submitted on: Sat 14 May 2016 06:17:37 PM GMT
                Category: IPv6
                Severity: 3 - Normal
              Item Group: Faulty Behaviour
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
         Planned Release: 
            lwIP version: 1.4.1

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Details:

according to RFC 4861 section 6.3.4, routers advertises prefix to cancel a
previous on-link indication by advertising that prefix with the L-bit set and
the Lifetime set to zero. But in LWIP implementation on receipt of such
"on-link cancellation" RA, it sets previously configured ipv6 address(SLAAC)
to invalid state. 




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