lwIP - A Lightweight TCP/IP stack - Bugs: bug #47923, on-link prefix cancellation issue
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bug #47923: on-link prefix cancellation issue
Submitter: | abhishek ambure <abhiambure> | ||
Submitted: | Sat 14 May 2016 06:17:37 PM UTC | ||
Category: | IPv6 | Severity: | 3 - Normal |
Item Group: | Faulty Behaviour | Status: | Fixed |
Privacy: | Public | Assigned to: | None |
Open/Closed: | Closed | Planned Release: | None |
lwIP version: | 1.4.1 |
Wed 11 Jan 2017 07:27:25 AM UTC, comment #5: |
Dirk Ziegelmeier <dziegel> |
Tue 03 Jan 2017 04:46:25 PM UTC, comment #4: Just to make this bug report slightly more accurate.. from comment #2, after (2) "the following changes":
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David van Moolenbroek <dcvmoole> |
Tue 07 Jun 2016 04:33:06 PM UTC, comment #3: This is very similar issue to mine #47923 There is also some reading in RFC 5942.
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Jan Breuer <jan_breuer> |
Tue 24 May 2016 06:01:53 AM UTC, comment #2: i am currently working on this, so patch is not ready now. will send you as it gets ready.
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abhishek ambure <abhiambure> |
Mon 23 May 2016 08:43:41 PM UTC, comment #1: Here too, I'd be very happy if you could provide a patch to show what you mean :-) |
Simon Goldschmidt <goldsimon> |
Sat 14 May 2016 06:17:37 PM UTC, original submission:
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. |
abhishek ambure <abhiambure> |
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Follow 2 latest changes.
Date | Changed by | Updated Field | Previous Value | => | Replaced by |
---|---|---|---|---|---|
2017-01-11 | dziegel | Open/Closed | Open | Closed | |
2017-01-11 | dziegel | Status | None | Fixed |
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Corresponding source code
Fixed by David van Moolenbroek in commit "nd6: improve address autoconfiguration support" (e0c5e1988fd267f216c4cc9c74e7d1be9b50fe61)