Re: [exim] No route to host for sesame.csx.cam.ac.uk?

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Autor: Marc Sherman
Datum:  
To: David Woodhouse
CC: exim-users
Betreff: Re: [exim] No route to host for sesame.csx.cam.ac.uk?
David Woodhouse wrote:
>
> The correct solution is to realise that you _do_ have an IPv6-capable
> connection to the Internet. Any IPv4-capable connection is also IPv6-
> capable by virtue of the magic '6to4' tunnelling mechanism.
>
> For a vaguely recent (i.e. later than Red Hat 7.0 or so) Linux setup it
> takes about four lines of "yes please" in your networking config to
> enable it. See http://linux.yyz.us/ipv6-fc2-howto.html which also has
> links to instructions for other operating systems.


But surely a direct connection via ipv4 will be more efficient than a
tunneled 6to4 connection, won't it? I'm all for promoting ipv6
adoption, and I've done so by regularly requesting it from my ISP. But
I don't want to sacrifice performance just so I can be a 1337 early
adopter. :)

- Marc