buglwIP - A Lightweight TCP/IP stack - Bugs: bug #39963, ND6_RA_FLAG_OTHER_STATEFUL_CONFIG...

 
 

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bug #39963: ND6_RA_FLAG_OTHER_STATEFUL_CONFIG is misnamed

Submitter:  Valery Ushakov <uwe>
Submitted:  Fri 06 Sep 2013 06:18:30 AM UTC
   
 
Category:  IPv6 Severity:  3 - Normal
Item Group:  Change Request Status:  Fixed
Privacy:  Public Assigned to:  idelamer
Open/Closed:  Closed Planned Release:  None
lwIP version:  git head

Wed 18 Mar 2015 06:01:55 PM UTC, comment #1: 

thanks, clarified that in the code. Flag is now called
ND6_RA_FLAG_OTHER_CONFIG

Ivan Delamer <idelamer>
Group Member
Fri 06 Sep 2013 06:18:30 AM UTC, original submission:  

This is probably a result of "bugs" in RFC 2461 and RFC 2462, fixed in RFC 4861 and RFC 4862, respectively.

RFC 2461 does indeed call it "Other stateful configuration" in the text, but corresponding variable is called AdvOtherConfigFlag.  RFC 2462 also calls it "stateful".

RFC 4861 changed text to say "Other configuration" to match the variable name.  And RFC 4862 explicitly says in Appendix C. "Changes since RFC 2462":

Major clarifications:

Avoided the wording of "stateful configuration", which is known to be quite confusing, and simply used "DHCPv6" wherever appropriate.

Consider lwip configured as IPv6 router that also runs stateless DHCPv6 server.  To tell clients to ask that stateless server for configuration by setting ND6_RA_FLAG_OTHER_STATEFUL_CONFIG flag seems quite confusing indeed.

Valery Ushakov <uwe>

 

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    Follow 3 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2015-03-18 idelamer StatusNone Fixed
        Assigned toNone idelamer
        Open/ClosedOpen Closed

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