bonjour printer access non-functional in rawhide

Tim Waugh twaugh at redhat.com
Mon Apr 6 17:56:28 UTC 2009


Jack Howarth wrote:
>    It doesn't sound like this should work from the changelog...
> 
> * Thu Feb 12 2009 Tim Waugh <twaugh at redhat.com> 1:1.4-0.b2.6
> - Beginnings of avahi support.  The dnssd backend should now work, but
>   the scheduler will not yet advertise DNS-SD services.
> - No longer require avahi-tools as the dnssd backend does not use the
>   command line tools any longer.
> 
> Wouldn't this prevent the printer configuration tool from
> seeing the available Bonjour printers?

Let me clarify.  DNS-SD works both ways:

1. clients can use it to discover services offered by servers;
2. servers can use it to advertise their services to clients.

With the avahi support currently in CUPS, DNS-SD is used as in (1) 
above, so DNS-SD-aware printers or network print servers can be 
discovered by CUPS.

CUPS queues are not advertised using DNS-SD.

Perhaps the original poster was asking about DNS-SD discovery between 
CUPS servers (I didn't think of that) in which case *that* is not 
expected to work currently.

It does, however, work to use CUPS to discover a network print server 
that advertises its queues using DNS-SD.

Tim.
*/

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