ifconfig output: ipv4 netmask format
Warner Losh
imp at bsdimp.com
Fri Apr 8 17:47:28 UTC 2011
On Apr 8, 2011, at 9:55 AM, Mike Bristow wrote:
> On Fri, Apr 08, 2011 at 07:40:56PM +0400, Sergey Vinogradov wrote:
>> On 08.04.2011 19:23, Warner Losh wrote:
>>> On Apr 8, 2011, at 6:08 AM, Sergey Vinogradov wrote:
>>> If we really wanted to make it human readable, we'd output 10.2.3.4/24
>>
>> So, maybe, while following the POLA, we should add an option, as Daniel
>> mentioned above? To output the CIDR?
>
> Non-contigous netmasks are legal in IPv4. What do you do if someone adds
> the CIDR flag but the netmask cannot be represented in CIDR notation?
They have become illegal in the fullness of time.
Warner
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