Nikolay Martynov <mar.kolya@xxxxxxxxx> writes: > I'm seeing strange behavior on my intel 6300 card. > > If I measure TX performance just after boot (iperf in tcp mode), I get this: > > [ 3] 0.0-10.1 sec 11.2 MBytes 9.32 Mbits/sec > > But if create and enable monitor interface (with command like 'sudo > iw phy phy0 interface add moni0 type monitor && sudo ifconfig moni0 > up') I get this: > > [ 3] 0.0-10.1 sec 34.8 MBytes 29.0 Mbits/sec > > That's about three times boost in throughput by just creating an > interface (without even using it). > Doing 'ifconfig moni0 down' bring performance back to 10Mbits range. > > Experiments are done with laptop being ~5m from router and not moving. > These results are repeatable, i.e. not caused by random things like > other stations transmitting, or channel being busy. > > Is this something expected? Is there any reason performance can be as > good without monitor interface existing? Maybe the monitor mode disables power save automatically? -- Kalle Valo -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
