Michael Sierchio wrote:
> Andrew Von Cid wrote:
>
>> Hi,
>>
>> Recently I bought a net5501 to use as a firewall and a wireless access
>> point. For wireless I'm using a Ralink RT2561S minipci card. The box
>> is running FreeBSD 6.3-RELEASE.
>>
>> My setup is as follows:
>> * vr0 - Internet uplink
>> * vr1 - LAN
>> * ral0 - Wireless, mode 11g, channel 1, WPA
>>
>> I'm experiencing really poor performance under heavy wireless load. The
>> interrupts seem to use around 95% of the cpu and it affects the LAN
>> performance considerably (voip gets choppy, slow ssh, etc.)
>>
>
>
>> Is there anything I can do to improve the wireless performance (as in
>> the cpu load)? Would changing the wireless card to a minipci Atheros
>> help?
>>
>> I'd be very grateful for any suggestions.
>>
>
> I'd ask Jim Thompson of Netgate re: wireless adapter issues --
> [EMAIL PROTECTED]
>
> You might consider using a traffic shaper for VoIP and interactive
> traffic. Using dummynet with GRED on the wireless interface (the
> one subject to congestion/interference) and giving greater weight
> to traffic smaller than the MTU size might help.
>
> I don't know if there's a FreeBSD port of any of the split-TCP
> proxies... Sorry, it's late on the West Coast, and I've been
> drinking sake and watching Zatoichi movies.
>
I used to get full briged throughput on a 4511 w/ an ath card under
freebsd. ralink cards should have similar load characteristics. As a
start the OP should identify what device is delivering interrupts and/or
whether the load is unexpected. 7.0 has much better wireless support
than 6.3 so would be preferred.
Sam
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