[cups.general] auto-discover of network printers relies on ip6?

[Michael Sweet]

Willie,

On Apr 6, 2012, at 5:17 AM, willie <tumbleweed at fast-mail.org> wrote:
> 
> Still struggling with this. /etc/cups/snmp.conf contains only:
> 
>   Address @LOCAL
>   Community public
> 
> which should be fine according to your man page, but I also had a play using my broadcast address and @IF with no luck.
> 
> 
> The error log on starting the daemon suggests ip6 is required:
> 
>   E [06/Apr/2012:13:00:19 +0100] Unable to open listen socket for address
>   [v1.::1]:631 - Address family not supported by protocol.

This is "normal" in that we try to bind to an IPv6 listening address and log when we can't, but life within cupsd goes on without IPv6 enabled.

> and when I run either "Add Printer" or "Find New Printers":
> 
>   E [06/Apr/2012:13:14:02 +0100] [cups-deviced] PID 18463 (snmp) stopped with
>   status 1!

Do you see any messages coming from the snmp backend?  You can enable debug logging with the following command:

	cupsctl --debug-logging

__________________________________________________
Michael Sweet, Senior Printing System Engineer, PWG Chair