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Posted by I am a Sock Puppet on July 21, 2005, 12:54 pm
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seanfulton wrote:
> I created the filter exactly as you describe and it seemed to help
> quite a bit. Only problem that I can detect is if I do a big FTP
> download (and this is a full T1), it still garbles the call, although
> not as badly.
>
> I used the bandwidth meter Vonage has on their site and during idle
> times, it says I have 1.4-1.5 Mbps. During the FTP, that drops to
> 394K or so. Still plenty of bandwidth for the call, so I'm wondering
> if I also need a filter to drop FTP to a lower priority or if this is
> just as good sa it gets.
>
> sean
>
Part of the issue here is that you can't control how inbound (to you)
packets queue up from your ISP router to you - you can only control
traffic after it hits your ARN.
Giving FTP lower prioity may help. Also, for the protocol priority
interface setup, I set the queue distibution in a REALLY steep curve -
95% to the high queue, 4% to the med queue and 1% to the low queue.
Also, enable the "dequeue at line rate". That seems to minimze network
jitter in my experience.
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