http://defect.opensolaris.org/bz/show_bug.cgi?id=10654


Renee Danson Sommerfeld <renee.danson at sun.com> changed:

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                 CC|                            |renee.danson at sun.com


--- Comment #3 from Renee Danson Sommerfeld <renee.danson at sun.com> 
2009-08-21 17:30:06 UTC ---
(In reply to comment #1)
> there was a bug in IPv6 config in that we would always set static addresses on
> the primary interface (i.e. bge0) rather than adding them as logical
> interfaces. I suspect we were setting the v6 static address, then the DHCP
> response overlaid it with the DHCPv6 address. Need to test on a DHCPv6 system,
> but I'm reasonably sure that this is the problem.

I'm a little puzzled by this.

First, isn't the :0 address always the link-local on a v6 interface?  If the
DHCP-assigned address is overwriting that, that's a general problem.

Second, when assigning and address to an interface, do you really need to keep
track of other addresses as well?  That seems bad.  Though, in the v6 case, I
suppose all new addresses should be additional logical interfaces, as the
link-local will always be the first address assigned.  But in any case, the
notion that an assigned address could be overlaid by another one, from another
source, seems really broken; I'd prefer not to paper over that by simply
amending the nwam behavior.

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