Interface friendly names for AF_INET6
Marco Atzeri
marco.atzeri@gmail.com
Thu Mar 10 14:35:00 GMT 2016
On 10/03/2016 15:03, Corinna Vinschen wrote:
> On Mar 10 12:10, Marco Atzeri wrote:
>> I am trying to put a small interface info tool
>> to debug some hangs reported on openmpi.
>>
>> The aim is to produce something like
>>
>> {9F4F7FD2-5E44-4796-ABE0-0785CF76C11E} AF_INET6 (23)
>> flags: up running multicast
>> address: <fe80::9953:b1f5:a643:4497%15>
>> Local Area Connection
>> {9F4F7FD2-5E44-4796-ABE0-0785CF76C11E} AF_INET (2)
>> flags: up broadcast running multicast
>> address: <172.21.188.188>
>> Local Area Connection
>>
>> I am using getifaddrs to obtain all the AF_INET and AF_INET6
>> interface, however I can only obtain the friendly name of the
>> AF_INET using
>> ioctl(sock, SIOCGIFFRNDLYNAM
>>
>> On my pc I see 20 interface, 10 for each type, however
>> only 7 couples shares the same "ifa_name" the others
>> 3+3 shows different ones.
>
> Btw., don't use the friendly names to distinguish interfaces. Only the
> real, GUID-like interface name is a valid, unique identifier under
> Windows.
>
>
> Corinna
That I know, however If I should advise a user to disable by control
panel a virtual interface I can not use the
{9F4F7FD2-5E44-4796-ABE0-0785CF76C11E}
but
"Local Area Connection"
should work ...
--
Problem reports: http://cygwin.com/problems.html
FAQ: http://cygwin.com/faq/
Documentation: http://cygwin.com/docs.html
Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
More information about the Cygwin
mailing list