[zeromq-dev] [PATCH] IPv6 changes to 4.0

Steven McCoy steven.mccoy at miru.hk
Fri Aug 26 08:06:13 CEST 2011

On 26 August 2011 14:02, Martin Sustrik <sustrik at 250bpm.com> wrote:

> On 08/26/2011 07:25 AM, Steven McCoy wrote:
>  Then my Linux box ends up looking like this:
>> eth0      Link encap:Ethernet  HWaddr 00:14:5e:bd:6d:da
>>           inet addr:  Bcast:  Mask:
>>           inet6 addr: 2002:dce8:d28e:0:214:5eff:**febd:6dda/64
>> Scope:Global
>>           inet6 addr: fe80::214:5eff:febd:6dda/64 Scope:Link
>>           inet6 addr: 2002:dce8:d28e::31/64 Scope:Global
>>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>> lo        Link encap:Local Loopback
>>           inet addr:  Mask:
>>           inet6 addr: ::1/128 Scope:Host
>>           UP LOOPBACK RUNNING  MTU:16436  Metric:1
>> That's trying to give a static IPv6 to each host with the
>> 2002:dce8:d28e:: prefix but getting an
>> additional auto-configuration address fromin.ripngd because that's
>> lovely Solaris.
> So is it Linux or Solaris?
> Btw, is having two global addresses on a same interface OK from the point
> of view of IPv6 specs?
First list is SPARC/Solaris second is x64/Linux.  Running in.ripng
implements IPv6 auto-configuration for the LAN segment hence doling out the
additional address.

That's the only way to configure IPv6 in Solaris.

Conversely if you don't add on static IPv6 addressing then you would only
have one global-scope address.  So you could say I am making it worse.

Maybe I should ask on Stack Exchange somewhere.

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