Steven Stallion wrote:
> James Carlson wrote:
>> Not being able to reset it seems right to me, but being able to set it
>> at all sounds like a bug.
>>
>> The POINTOPOINT flag is a property of the underlying medium.  There's
>> no reasonable way that this can be specified by the user, and we
>> really shouldn't allow it.  (I suspect there are other skeletons
>> buried here ...)
>>
> 
> It's pretty easy to duplicate (initial run on snv_89):
> 
> # ifconfig dnet0 plumb
> # ifconfig dnet0 10.0.0.1 255.255.255.0 up #missing netmask
> # ifconfig dnet0
> dnet0: flags=200000851<UP,POINTOPOINT,RUNNING,MULTICAST,CoS> mtu 1500
>          inet 10.0.0.1 --> 255.255.255.0 netmask ff000000
>          ether 0:c0:ca:13:a4:9e

There is some historic code in ip; it was originally added to be able to 
test IP's pointopoint code when we had nothing but Ethernet drivers.

I think we should remove that code.

    Erik
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