[avahi] Strange MDNS response from Axis cameras
marc at apple.com
Tue Feb 7 15:47:56 PST 2006
On Feb 7, 2006, at 11:26 AM, Iván Sánchez Ortega wrote:
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> El Martes 07 de Febrero de 2006 19:03, Marc Krochmal escribió:
>> [...] there's still many poor customers in the world that don't
>> have the
>> benefits of Zeroconf, [...] This doesn't work when you have two
>> cameras on
>> the network that both use the same IP [...]
> I can see your point. If Avahi returned the 192.168.x.x IPs for the
> I'd be running into that problem. So the right way for Avahi to do
> this is,
> as you say, to use the 169.254.x.x addresses...
> (I now wonder if windoze's uPnP can handle two cameras with the same
> 192.168.x.x IP... I guess not)
Nope, IP networking in general can't handle two machines with the
same IP address.
>> 169.254.x.x [...] So it sounds like your computer doesn't know
>> about this
>> address range.
> Yes; I now have a IP alias (eth0:0) with a 169.254.x.x address.
> However, the default network configuration for most Linux boxes is
> to have
> just one IP, and not be aware of the 169.254.0.0 network. I guess
> that making
> Avahi aware of the routing table to decide whether to get the
> 169.154.x.x or
> the 192.168.x.x IP would be a real mess.
Right, you don't need to configure an additional IP address on your
box. You just need to add a routing table entry indicating that
169.254 addresses are local.
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