On Sat, Aug 29, 2020 at 4:34 AM Chris Murphy <li...@colorremedies.com> wrote:
> On Fri, Aug 28, 2020 at 7:52 PM Chris Murphy <li...@colorremedies.com> > wrote: > > > The IPP Everywhere specification requires clients to support DNS-SD > > (mDNS is part of that) or WS-Discovery. Printers are required to > > support both DNS-SD and WS-Discovery. Avahi and systemd-resolved > > support DNS-SD, functionally equating DNS-SD and mDNS. > > From the spec: > > "Printers MUST publish a text (TXT) record that provides service > information over mDNS. > Printers that support dynamic DNS updates MUST publish separate TXT > records for each > domain that is updated." > > I'm not completely certain, but I'm wondering whether it's possible to > print IPP Everywhere at all, if DNS-SD or WS-Discovery aren't working > on the client. Even having the IP address might not be enough. > > I guess one way to test it would be to run the printing test case with > an IPP Everywhere printer, and try to print with avahi stopped. > Adding +Marek Kasik <mka...@redhat.com> and +Zdenek Dohnal <zdoh...@redhat.com> who might know the answer. Tom
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