On Thu, May 30, 2002 at 08:16:28AM +1000, Malcolm Herbert wrote:
> Any idea why this might happen on a 1.5.2 machine?
> 
> |mamers[~] 2>: ifconfig ex0
> |ex0: flags=8863<UP,BROADCAST,NOTRAILERS,RUNNING,SIMPLEX,MULTICAST> mtu 1500
> |        address: 00:01:02:9a:59:35
> |        media: Ethernet autoselect (100baseTX full-duplex)
> |        status: active
> |        inet 10.0.109.1 netmask 0xff000000 broadcast 10.255.255.255
> |        inet alias 10.0.1.1 netmask 0xff000000 broadcast 10.255.255.255

As 10.0.1.1 is on the same network as the primary address, you want
0xffffffff as netmask

-- 
Manuel Bouyer <bouyer@antioche.eu.org>
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