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Re: doubts about my IPv6 network



On Tue, Mar 27, 2007 at 05:16:50PM +0100, Jeroen Massar wrote:
> Christian Pinedo zamalloa wrote:
> [..]
> > The router could change IPv6 routing preferences and the PC should
> > know which IPv6 address use as origin address. Is this possible to
> > announce in router advertisement messages? Am I completely lost? xD
> 
> Theoretically, with newer kernels, it is possible to configure source
> routing, as part of policy routing in general. Though I've understood
> that it is not correctly working in quite a few cases.
> 
> There is absolutely zilch advantage in this setup. When the upstream
> link breaks your (TCP) connection breaks. Then your host my try to
> connect again and it will try the old address, as there is no
> information that the upstream link is actually down, timeout, fail, and
> try the other link (if lucky that it does).... not practical
> 
> 
> Advice: use one single prefix. Or try HIP (Host Identity Protocol)
> 

After your comments I understand that having more than two global IP addresses
is more problematic than useful. Thanks for your ideas,

-- 
Christian Pinedo Zamalloa (zako)
PGP key at: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x828D0C80
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