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

Michael Sweet msweet at apple.com
Mon Apr 2 10:17:33 PDT 2012


Hmm, not sure why this is having trouble then...  Do you see any errors if you run:

	/usr/lib/cups/backend/snmp @LOCAL

On Mar 26, 2012, at 4:24 PM, willie wrote:

> 
> I hadn't even thought of looking at the printer config, but no:
> 
> TCP/IP        Enabled
>  IPv6        Disabled
> SMTP          Disabled
> NETBIOS/IP    Enabled
> IPP           Enabled
> FTP           Enabled
> mDNS          Disabled
> APIPA         Disabled
> SNMP          Enabled
> Web Server    Enabled
> TELNET        Enabled
> 
> 
> 
> 
>> Is the Brother printer configured to only support IPv6?
>> 
>> On Mar 24, 2012, at 2:11 PM, willie <tumbleweed at fast-mail.org> wrote:
>> 
>>> 
>>> Hello folks,
>>> 
>>> I wouldn't know if this is a bug or not but I'd sure like to understand what's happening.
>>> 
>>> I'm running linux 3.2.12/cups 1.5.2.
>>> 
>>> Since disabling the ip6 stack with kernel argument "ipv6.disable=1", cups fails to discover network printers on the cups server web page (localhost:631). If I remove that kernel line parameter and reinstate ip6, all is well again.
>>> 
>>> I've failed to find any info out there to suggest that cups *depends* on ipv6.
>>> 
>>> I use static IP addressing and the problem occurs with both wired and wireless networking.
>>> 
>>> (If it's relevant, one printer that's no longer discovered without an ipv6 stack is a Brother HL-5250dn.)
>>> 
>>> Can anyone help?
>>> 
>>> Thanks.
>>> _______________________________________________
>>> cups mailing list
>>> cups at easysw.com
>>> http://lists.easysw.com/mailman/listinfo/cups
>> 
>> __________________________________________________
>> Michael Sweet, Senior Printing System Engineer, PWG Chair
>> 
> 
> _______________________________________________
> cups mailing list
> cups at easysw.com
> http://lists.easysw.com/mailman/listinfo/cups

________________________________________________________________________
Michael Sweet, Senior Printing System Engineer, PWG Chair





More information about the cups mailing list