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. > >
