I originally had WMM enabled, I disabled it but that didn’t help.
FW is 6.30.1.

I wonder if I’m having a Fast Path problem when devices try to communicate 
across the wireless LAN.  I could disable Fast Path on the bridge, but I’m not 
sure this traffic even hits the bridge if it’s going from one wireless client 
to another.

I am used to problems setting up wireless printers, but usually it works once 
you get it to connect.


From: Colin Stanners 
Sent: Saturday, July 25, 2015 12:19 PM
To: af@afmug.com 
Subject: Re: [AFMUG] UPnP question

I don't think it'd be UPnP related - it wouldn't be used for printing 
communications, and I doubt it would be used for device locating on the 
network. Did you try turning WMM on/off at the MT? Latest firmware?


On Sat, Jul 25, 2015 at 11:38 AM, Ken Hohhof <af...@kwisp.com> wrote:

  We recently switched a customer over from Frontier and everything is fine 
except printing from his computer to his Lexmark printer over WiFi takes 
forever, it was fine using the Frontier DSL modem for WiFi.  We supplied a 
Mikrotik RB951G-2HnD.  Note that printing isn't just a little bit slow, one 
page takes like 10 minutes.

  Everything looks fine in the WiFi stats and changing WiFi parameters has not 
made any difference.  Pinging this device from the Mikrotik, we get higher ping 
times and more variation than other devices, not sure if this is related.

  Since there does not seem to be a WiFi problem, I'm wondering if it could be 
some higher layer protocol problem, like the fact that we have UPnP disabled on 
the Mikrotik.  Could Lexmark be using UPnP between the computer driver and the 
printer?  If so, would it care if UPnP is enabled on the router?

  I really don't understand UPnP, other than to know I don't like it from a 
security standpoint. 


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