Steven Stallion wrote:

>>"Point-to-Point" links don't have netmasks, don't run L2 address
>>resolution issues (e.g., ARP), and don't have broadcast addresses.
>>All that they have is a peer IP address.  (And, really, that might be
>>optional in some implementations.)
>>    
>>
>
>Something to point out is that you can in fact change the netmask on a
>POINTOPOINT link using ifconfig (whether or not it is meaningful to do so
>is a different issue).
>
>Using the original example of accidently setting POINTOPOINT on dnet0:
>
># ifconfig dnet0 plumb
># ifconfig dnet0 10.0.0.1 255.255.255.0
># ifconfig dnet0
>dnet0: flags=200000850<POINTOPOINT,RUNNING,MULTICAST,CoS> mtu 1500
>        inet 10.0.0.1 --> 255.255.255.0 netmask ff000000
>        ether 0:c0:ca:13:a4:9e
>
># ifconfig dnet0 10.0.0.1 netmask 255.255.255.0
># ifconfig dnet0
>dnet0: flags=200000850<POINTOPOINT,RUNNING,MULTICAST,CoS> mtu 1500
>        inet 10.0.0.1 --> 255.255.255.0 netmask ffffff00
>        ether 0:c0:ca:13:a4:9e
>
>Not that it really means anything, but ifconfig blithely took the original
>default netmask of ff000000 and updated it to ffffff00 while keeping the
>POINTOPOINT flag.
>  
>

Oh my... well, have you been busy filling in bug reports on opensolaris.org?

Darren

_______________________________________________
networking-discuss mailing list
[email protected]

Reply via email to