Re: Experiencing very slow browsing at times (atheros wireless)

["Sepherosa Ziehau" <sepherosa@xxxxxxxxx>]

On 5/24/07, Petr Janda <elekktretterr@exemail.com.au> wrote:
> Sepherosa Ziehau wrote:
> > Please turn off the two sysctls as Matt said during your next round
> > testing.  Thanks.
> >
> > Best Regards,
> > sephe
> >
> Turning them off didn't fix it.
>
> I have switched to 802.11b:
>
> ath0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
>         inet 192.168.1.50 netmask 0xffffff00 broadcast 192.168.1.255
>         inet6 fe80::20f:b5ff:fefa:9196%ath0 prefixlen 64 scopeid 0x1
>         ether 00:0f:b5:fa:91:96
>         media: IEEE 802.11 Wireless Ethernet autoselect (DS/5.5Mbps)
>         status: associated
>         ssid homenetwork channel 11 bssid 00:19:db:0a:39:e6
>         authmode OPEN privacy OFF txpowmax 37 bmiss 7 protmode CTS burst
>         bintval 100
>
>
> Sometimes it goes to 11Mbps, but usually stays at 5.5. Guess what,

That's for TX, and is for packets whose size <= 250bytes.

> browsing has been much better now. Even though slowness occured a couple
> of times in the last 16 hours on 802.11b, it hasnt actually halted
> completly once.

One thing that's is very strange is the NIC did recv mac frames sent
by 11g mode AP.  I would suspect they were discarded by upper layer
because of csum error.

Best Regards,
sephe

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