Hi. On Sat, Feb 18, 2012 at 04:11:36AM -0800, Walter Goldens wrote: > This is from an N AP: > > PING 192.168.1.1 (192.168.1.1) 56(84) bytes of data. > 64 bytes from 192.168.1.1: icmp_req=1 ttl=64 time=1.47 ms > 64 bytes from 192.168.1.1: icmp_req=2 ttl=64 time=1.45 ms > 64 bytes from 192.168.1.1: icmp_req=3 ttl=64 time=0.952 ms > 64 bytes from 192.168.1.1: icmp_req=4 ttl=64 time=11.1 ms > 64 bytes from 192.168.1.1: icmp_req=5 ttl=64 time=7.06 ms > 64 bytes from 192.168.1.1: icmp_req=6 ttl=64 time=12.8 ms [snip] > And these are from 54G AP: > > PING 192.168.1.1 (192.168.1.1) 56(84) bytes of data. > 64 bytes from 192.168.1.1: icmp_req=1 ttl=63 time=8.56 ms > 64 bytes from 192.168.1.1: icmp_req=2 ttl=63 time=1.67 ms > 64 bytes from 192.168.1.1: icmp_req=3 ttl=63 time=2.94 ms > 64 bytes from 192.168.1.1: icmp_req=4 ttl=63 time=1.64 ms > 64 bytes from 192.168.1.1: icmp_req=5 ttl=63 time=1.67 ms > 64 bytes from 192.168.1.1: icmp_req=6 ttl=63 time=3.70 ms > 64 bytes from 192.168.1.1: icmp_req=7 ttl=63 time=1.80 ms > 64 bytes from 192.168.1.1: icmp_req=7 ttl=63 time=2.22 ms (DUP!) [snip] > If I use the STA drivers, no such problem occurres with either N or G APs. > This, for me, has been a long-standing problem. Looks like this could be related with Power-Save. Seems APs does not handle PS well (between each ICMP packed our station is put in the sleep mode) . Vendor driver has PS disabled, hence problem is not observable. Try "iwconfig wlan0 power off" and see if it helps. Stanislaw -- 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
