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

[Michael Sweet]

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.
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__________________________________________________
Michael Sweet, Senior Printing System Engineer, PWG Chair