Using the dummy0 interface for a local-only service to be broadcasted by Avahi

[Philipp Kern]

On 12/29/2016 11:53 PM, Till Kamppeter wrote:
> so that means then that via an IPv6 link-local address there is no way
> to access the admin interface of the printer with a web browser?
> 
> So one can only access via CUPS?

I think the answer here is: If an application speaks Zeroconf/Bonjour
natively, it can do everything correctly (which is true for instance
with CUPS itself). This is because avahi will expose the interface where
the device was discovered to the application. If you want to rely on
just mDNS names using NSS, it won't be sufficient to access devices via
IPv6 link-local addresses.

Of course devices usually broadcast all of their addresses, of which
some will be routable anyway.

Kind regards
Philipp Kern


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