On Thursday 01 October 2009 19:24:54 ltsp-discuss-
requ...@lists.sourceforge.net wrote:
> >>> CUPS server broadcasts the 'I'm here'
> >>> You can't broadcast across subnets
> >>> so LTSP at 192.168.0.0 network will never see CUPS server at
> >>> 192.168.1.0 network THE END.
> >>> James
> >>
> >> So printing with local applications works when there is only one nic on
> >> the LTSP server. If you use default LTSP setup with two nics, you are
> >> out of luck?
> >
> > No luck - I give up.
>
> a) Is CUPS_SERVER set in lts.conf? If it is, then what is the value?
> b) Does the ubuntu-studio CUPS have different configuration than the
> ltsp server (is CUPS shared on u-studio?)
> c) What is printed out when you do "cat /etc/cups/client.conf" in the
> shell on the thin client? (It should contain what you set as CUPS_SERVER)
I would go looking with wireshark it is quite easy to use.
This is what I captured, notice the broadcast from ...254 to ...255
That will not propagate across subnets, but if CUPS can or does have other
channels to use I know not
Frame 32 (222 bytes on wire, 222 bytes captured)
Ethernet II, Src: Giga-Byt_d4:f4:83 (00:1d:7d:d4:f4:83), Dst: Broadcast
(ff:ff:ff:ff:ff:ff) Internet Protocol, Src: 192.168.5.254 (192.168.5.254),
Dst: 192.168.5.255 (192.168.5.255)
User Datagram Protocol, Src Port: ipp (631), Dst Port: ipp (631)
Common Unix Printing System (CUPS) Browsing Protocol
No. Time Source Destination Protocol Info
33 35.629066 72.197.51.55 192.168.5.120 UDP
Source port: 25334 Destination port: 24352
James
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