Only 5x IPv4 /8 remaining at IANA

Wed Oct 20 05:01:48 UTC 2010

On 10/19/10 9:24 PM, Mark Smith wrote:
> On Tue, 19 Oct 2010 22:24:02 +0200
> Jens Link <lists at quux.de> wrote:
> 
>> Valdis.Kletnieks at vt.edu writes:
>>
>>>> You are going to kill about 90% of all net-/sysadmins? 
>>>
>>> Do you *really* want somebody working on your network that gets confused by a
>>> reference to 213/8 because it's in Class-C space?  
>>
>> Don't get me wrong. I like the idea. Especially after the discussion I had
>> with someone this afternoon.
>>
>>> And "Cisco is still teaching it" is *not* an excuse 
>>
>> Windows and Linux ifconfig are still using it. Enter a Class-A/B/C
>> address and take a look at the mask they suggest.

Of course ifconfig will also happily take whatever mask you feed it in
your choice of notation so it's not exactly a bronze age tool.
> 
> Under Linux, ifconfig is probably deprecated, and just being left
> around for people who're used to it. iproute2 a.k.a. the 'ip' utility
> is the way to access/configure far more of the IP stack settings under
> linux.
> 
> Regards,
> Mark.
>