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Re: Questions about rt2800usb

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> 
> Try:
> 
> iwconfig wlan0 power off
> 
> to disable powersaving.
> 
> Ivo

Hi Ivo,

Disabling power decreased latency substantially to a normal level, however it paved the way for myriad duplicate packets.

rt2800usb:

PING gmail.com (209.85.229.19) 56(84) bytes of data.
64 bytes from ww-in-f19.1e100.net (209.85.229.19): icmp_req=1 ttl=53 time=52.9 ms
64 bytes from ww-in-f19.1e100.net (209.85.229.19): icmp_req=2 ttl=53 time=50.2 ms
64 bytes from ww-in-f19.1e100.net (209.85.229.19): icmp_req=3 ttl=53 time=51.6 ms
64 bytes from ww-in-f19.1e100.net (209.85.229.19): icmp_req=4 ttl=53 time=52.8 ms
64 bytes from ww-in-f19.1e100.net (209.85.229.19): icmp_req=5 ttl=53 time=53.3 ms
64 bytes from ww-in-f19.1e100.net (209.85.229.19): icmp_req=6 ttl=53 time=51.4 ms
64 bytes from ww-in-f19.1e100.net (209.85.229.19): icmp_req=6 ttl=53 time=52.4 ms (DUP!)
64 bytes from ww-in-f19.1e100.net (209.85.229.19): icmp_req=6 ttl=53 time=52.5 ms (DUP!)
64 bytes from ww-in-f19.1e100.net (209.85.229.19): icmp_req=7 ttl=53 time=51.8 ms
64 bytes from ww-in-f19.1e100.net (209.85.229.19): icmp_req=7 ttl=53 time=54.8 ms (DUP!)
64 bytes from ww-in-f19.1e100.net (209.85.229.19): icmp_req=7 ttl=53 time=56.5 ms (DUP!)
64 bytes from ww-in-f19.1e100.net (209.85.229.19): icmp_req=7 ttl=53 time=58.2 ms (DUP!)
64 bytes from ww-in-f19.1e100.net (209.85.229.19): icmp_req=7 ttl=53 time=59.9 ms (DUP!)
64 bytes from ww-in-f19.1e100.net (209.85.229.19): icmp_req=7 ttl=53 time=61.3 ms (DUP!)
64 bytes from ww-in-f19.1e100.net (209.85.229.19): icmp_req=7 ttl=53 time=62.9 ms (DUP!)
64 bytes from ww-in-f19.1e100.net (209.85.229.19): icmp_req=7 ttl=53 time=63.3 ms (DUP!)
64 bytes from ww-in-f19.1e100.net (209.85.229.19): icmp_req=8 ttl=53 time=51.4 ms
^C
--- gmail.com ping statistics ---
8 packets transmitted, 8 received, +9 duplicates, 0% packet loss, time 7011ms
rtt min/avg/max/mdev = 50.285/55.181/63.304/4.219 ms

Without these, the rt2800usb is looking to be pretty stellar driver.

Walter
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