Re: wm DAD duplicate address

[Roy Marples <roy%marples.name@localhost>]

On 21/02/2017 13:25, Joerg Sonnenberger wrote:
> On Tue, Feb 21, 2017 at 12:25:00PM +0000, Patrick Welche wrote:
>> wm1: flags=0x8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
>>         capabilities=7ff80<TSO4,IP4CSUM_Rx,IP4CSUM_Tx,TCP4CSUM_Rx>
>>         capabilities=7ff80<TCP4CSUM_Tx,UDP4CSUM_Rx,UDP4CSUM_Tx,TCP6CSUM_Rx>
>>         capabilities=7ff80<TCP6CSUM_Tx,UDP6CSUM_Rx,UDP6CSUM_Tx,TSO6>
>>         enabled=3f80<TSO4,IP4CSUM_Rx,IP4CSUM_Tx,TCP4CSUM_Rx,TCP4CSUM_Tx>
>>         enabled=3f80<UDP4CSUM_Rx,UDP4CSUM_Tx>
>>         ec_capabilities=7<VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU>
>>         ec_enabled=0
>>         address: 00:15:17:1a:48:1d
>>         media: Ethernet autoselect (1000baseT full-duplex,flowcontrol,rxpause,txpause)
>>         status: active
>>         inet 10.0.0.35/24 broadcast 10.0.0.255 flags 0x0
>>         inet 169.254.95.254/16 broadcast 169.254.255.255 flags 0x0
>>         inet 10.100.0.62/24 broadcast 10.100.0.255 flags 0x0
>>         inet6 fe80::323f:12f5:4624:c706%wm1/64 flags 0x0 scopeid 0x3
>>
>> No 0.0.0.0 over there?
> 
> dhcpcd running? I think the DAD check should be explicitly disabled for
> 0.0.0.0.

It is
https://nxr.netbsd.org/xref/src/sys/netinet/if_arp.c#1152
https://nxr.netbsd.org/xref/src/sys/netinet/if_arp.c#1490

Also, that's kernel output, not dhcpcd.

Roy