On Sun, Nov 25, 2001 at 01:01:32AM +0000, Stephen Brown wrote:
> Hi - Just installed NetBSD 1.5.2 on a Compaq Professional Workstation
> based on the Intel Pentium Pro chip.  It has an onboard LAN adapter, but
> the Generic Kernel brings up an interesting error.. Here is all the
> Network Card specifics...
> 
> tl0 at pci1 dev 11 function 0
> tl0: Compaq ProLiant Integrated Netelligent 10/100TX
> tl0: Ethernet Address (insert MAC address here)
> tl0: interrupting at arq 11
> nsphy0 at tl0 phy 1: DP83840 10/100 media interface, rev. 0
> nsphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
> tlphy0 at tl0 phy 31: ThunderLan 10baseT media interface, rev. 5
> tlphy0: 10base2
> 
> Other devices load in, then just before the wsdisplay entries...
> 
> tl0: DAD detected duplicate IPv6 address (Insert IPv6 IP address here): 1
> NS, 0 NA
> tl0: DAD complete for (same IPv6 address as above) - duplicate found
> tl0: manual intervention required
> 
> Just to clarify, at no time did I set IPv6 in the installation routine,
> and no other machines on the network are using IPv6 either.  IPv4 works
> just fine however.
> 
> Is this a problem waiting to happen, or is it something of no concern?

It may be a problem with ethernet multicast/boardcast. You'll have problem
with IP multicast or IPv6 then.

What does ifconfig tl0 say ?

--
Manuel Bouyer, LIP6, Universite Paris VI.           Manuel.Bouyer@lip6.fr
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