[avahi] hosts with multiple names

Trent Lloyd lathiat at bur.st
Tue Mar 16 07:32:29 PDT 2010

Hi Jeff,

On 16/03/2010, at 9:11 AM, Jeff Koftinoff wrote:

> I want to use avahi in an embedded device. I'd like for avahi to advertise the device's manufacturer name and serial number as the host name of the device.  I also want the user to be able to enter in an alias for this device's host name. I want the device to be discoverable by both host names even though they would resolve to the same IP address.
> For instance, ACME Inc.,  has a device model number SX194J and the device's serial number is 3428472.  The device would always be accessible via the host name:
> 	acme-sx194j-3428472.local.
> The user purchases the device and via the front panel, enters in the alias name: 'camera-front-door'
> Now the device is also accessible as:
> 	camera-front-door.local.
> and it will still be accessible as:
> 	acme-sx194j-3428472.local.
> I want this because the name with the embedded serial number is easy to match with a label on the device, and the user friendly name is relevant to the user - until it isn't, for instance the device is disconnected as re-sold.	
> How do I configure avahi to do this?

Unfortunately avahi cannot do this directly, as if you put an entry in /etc/avahi/hosts it will conflict with the reverse DNS for your LAN ip.

You will need to write a C or Python program which uses the add_record / AddRecord call.


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