netdev - Re: IPv6 Anycast?

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Message-ID: <4C4E00B1.1030300@actusa.net>
Date:	Mon, 26 Jul 2010 14:40:01 -0700
From:	Stuart Sheldon <stu@...usa.net>
To:	Simon Horman <horms@...ge.net.au>
CC:	Ulrich Weber <uweber@...aro.com>,
	Mikael Abrahamsson <swmike@....pp.se>, netdev@...r.kernel.org,
	Stuart Sheldon <stu@...usa.net>
Subject: Re: IPv6 Anycast?

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Hi Simon,

I found the ip man entry too... It appears that the code is in the
kernel, as it does automatically add the anycast addresses when you
start IPv6 routing...

Is this something I should file as a bug / feature request? I would
think this should be part of the iproute2 stuff, but LARTC seems to have
fallen off the planet. I'm an Administrator not really a programmer, and
this seems way beyond my hacking to get done. Not really sure where to
go from here...

Does anyone out there have any suggestions???

Thanks in advance...

Stu


Simon Horman wrote:
> On Fri, Jul 23, 2010 at 09:54:05AM -0700, Stuart Sheldon wrote:
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>>
>> Hi Ulrich,
>>
>> Thanks, that resolves half the issue. So as of right now, there is no
>> userspace program to add anycast addresses?
> 
> I was hoping to have some useful information, but alas I failed on that count.
> 
> Looking at ip(8) it seems that the following ought to work:
> 
> ip addr add fd16:a2f5:c4d7::7/48 anycast fd16:a2f5:c4d7::8 dev eth0
> 
> However, it seems not to, and then I found this in the manpage :-(
> 
> 	anycast   -   not  implemented  the  destinations are  anycast
> 	addresses assigned to this host.  They are mainly equivalent to
> 	local with one difference: such addresses are invalid when used as
> 	the source address of any packet.
> 


- --
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