Do the RFCs say that the duplicate address detection protocol should be
run for statically configured IPv6 addresses too?
From RFC 2462 Section 5.4:
Duplicate Address Detection is performed on unicast addresses prior
to assigning them to an interface whose DupAddrDetectTransmits
variable is greater than zero. Duplicate Address Detection MUST take
place on all unicast addresses, regardless of whether they are
obtained through stateful, stateless or manual configuration...
There are some places in the RFC that don't mention manual config, maybe
they should.
You can play with setting net.ipv6.conf.ethX.dad_transmits to zero, but
this would speed-up DAD for all the addresses on the interface, don't
think it would do what you want.
The 2.6.19 kernel seems to have a way to disable this when you configure
the address, look for IFA_F_NODAD.
-Brian
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