tasklwIP - A Lightweight TCP/IP stack - Tasks: task #12406, Add DHCPv6


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task #12406: Add DHCPv6

Submitted by:  Simon Goldschmidt <goldsimon>
Submitted on:  Fri 11 Jan 2013 09:22:20 PM UTC  
Category: IPv6Should Start On: Fri 11 Jan 2013 12:00:00 AM UTC
Should be Finished on: Fri 11 Jan 2013 12:00:00 AM UTCPriority: 5 - Normal
Status: NonePrivacy: Public
Percent Complete: 0%Assigned to: Simon Goldschmidt <goldsimon>
Open/Closed: OpenPlanned Release: 2.1.0
Effort: 0.00

Wed 22 Nov 2017 12:45:51 PM UTC, comment #4:

Stateless DHCPv6 should be added for 2.1.0

Simon Goldschmidt <goldsimon>
Project AdministratorIn charge of this item.
Mon 18 Mar 2013 11:35:26 AM UTC, comment #3:

Stateless DHCPv6 (i.e. Information Request - RFC 3736) is often needed to retrieve DNS (and SIP) server address(es). This is especially valid in an IPv6-only network.

Stateless DHCPv6 runs fine as an addon to SLAAC: The network informs the clients the support for it through the M/O-bits in the RA message during SLAAC.

To make use of IPv6 DNS server address(es), I think the LwIP DNS client need to be enhanced with support for transmitting on IPv6?

Harald Johansen <hajohans>
Mon 14 Jan 2013 03:56:17 PM UTC, comment #2:

So far I haven't ran into a case where I need DHCPv6.

Stateless address auto-configuration as currently implemented has been enough for me.

I understand that DHCPv6 is useful for additional configuration options (DNS servers? local NS?), but nothing critical.

I think it is OK to release 1.5.0 without it.

Ivan Delamer <idelamer>
Project Member
Sat 12 Jan 2013 07:09:24 PM UTC, comment #1:

I think it's a nice-to-have. Both at home and at work, SLAAC always triggers first and I never hit the fallback-to-DHCPv6 case.

However, looking at network managers such as connman, it'd be feature-parity to include it.

Grant Erickson <marathon96>
Fri 11 Jan 2013 09:22:20 PM UTC, original submission:

I don't know exactly how optional this is, but I'd like it to be included with the first IPv6-supporting release...

Simon Goldschmidt <goldsimon>
Project AdministratorIn charge of this item.


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Carbon-Copy List
  • -unavailable- added by hajohans (Posted a comment)
  • -unavailable- added by idelamer (Posted a comment)
  • -unavailable- added by marathon96 (Posted a comment)
  • -unavailable- added by goldsimon (Submitted the item)

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    Follow 4 latest changes.

    Date Changed By Updated Field Previous Value => Replaced By
    Wed 22 Nov 2017 12:45:51 PM UTCgoldsimonAssigned toNone=>goldsimon
      Planned ReleaseNone=>2.1.0
    Wed 19 Aug 2015 08:40:34 AM UTCgoldsimonPlanned Release1.5.0=>None
    Tue 15 Jan 2013 08:23:31 AM UTCgoldsimonCategoryDHCP=>IPv6

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