Re: netcat delays between pages over wan
From: Brian K. White (brian_at_aljex.com)
Date: 03/28/04
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Date: Sun, 28 Mar 2004 08:48:47 -0500
Jeff Liebermann wrote:
> On Sat, 27 Mar 2004 17:16:11 -0500, Gary Quiring <gquiring@msn.com>
> wrote:
>
>> On my side I plugged the EPS2-100 into either a 3COM 3300 or 4300.
>
> I've got a Super Stuck II Muddle 3300 24 port carcass right here in
> the office. Two dead fans, 4 dead ports, and it still limps along.
> NWAY negotiation is problematic when faced with a fixed 100baseT half
> duplex card (non 10/100). It insists that it's full duplex on power
> on, but can be convinced that it's half duplex if the RJ45 jack is
> removed and re-inserted. Nice piece of junk which explains why it's
> in my office instead of at a customers. However, that should not be a
> problem with the EPS2-100, which is 10/100 and allegedly does NWAY
> correctly.
>
>> All of the ports are configured for auto-detect on the switches.
>> What confuses me is the delay is only PCL documents.
>
> Fine. So plug into the console port in back or telnet in, dive into
> the config menu, and convince the port that it's 10baseT half duplex.
> That's probably not the problem, but it's fun to tinker with such
> things.
>
>> Pure text has no
>> delays. Why would the printer server being looking at the data? I
>> can send it a 5 meg text print file but a 300k PCL file has delays.
>
> Is that BOTH on the HP 5si and the HP 8000 printers?
>
> I would normally suspect misconfiguration of the printers or
> insufficient printer ram to do the job. There should not be anything
> that's PCL unique in printing unless your Optio application is sending
> PCL garbage that the printers find difficult to digest. In any case,
> netcat is not the cause if you can print a text file successfully.
> Try printing a PCL document from a Windoze box and see if the print
> server is looking at the data. I doubt it but it's worth checking.
> However, my current guess(tm) is that the Optio program is sending PCL
> garbage.
I dunno...
I've seen some hard to explain problems.
had one recently where a hp4050 or a 6P, one of those medium-small but
reliable hp lasers, was hooked via parallel to a linksys 3-port.
the unix box and some of the pc's were configured to print directly to the
print server via raw tcp
One pc, whenever it tried to print a web page would invariably lock up the
print server. Every single time. It had the right printer driver installed
and it's only problem was it was an older win98 machine but fully up to date
with windows update and drivers.
I "fixed" this machine by sharing the printer from the unix box via
facetwin, and changing the "port" in the printer properties on the pc to
point to the unix share instead of directly to the print server itself.
Didn't even remove or re-install the drivers (I had done that already).
100% reliable since then. It must be the same print data and both
communication channels should have been perfectly fine, yet one way works
and one way locks up the print server.
-- Brian K. White -- brian@aljex.com -- http://www.aljex.com/bkw/ +++++[>+++[>+++++>+++++++<<-]<-]>>+.>.+++++.+++++++.-.[>+<---]>++. filePro BBx Linux SCO Prosper/FACTS AutoCAD #callahans Satriani
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