auto-discover of network printers relies on ip6?

willie tumbleweed at fast-mail.org
Sat Apr 21 03:45:05 PDT 2012


willie wrote:
>
> >
> > Hi,
> >
> > Sorry for the delay.
> >
> > There's a lot of this - /var/log/cups/error_log with debugging turned on


    < snipped big log file >


Helge wrote:
>
> The 1.5.2 SNMP backend, if compiled with IPV6 support, exits with return
> code 1 if IPV6 is disabled as you did. Thus, under these circumstances, no
> printers are autodiscovered by SNMP.
>


Many thanks for this Helge.

I saw the "snmp stopped with status 1" message but didn't associate it with missing ipv6 kernel support - especially after Michael's earlier comment about life continuing within cupsd without ipv6.

I'm not trying to do anything exotic here and I'll be very surprised if no one else out there is using cups without an ip6 stack, but your reply above "...under these circumstances..." suggests the title of this thread is in fact correct. If so, what are my options - try to compile my own cups software without ipv6 support? Will that allow a machine to discover network printers with just ipv4?

Thanks again.






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