Salim S I wrote:
I tested on wireless link. It could give a maximum of 45Mbps. And I sent
30Mbps of both low prio and high prio traffic. Total of 60Mbps.
My test was done with UDP, using tcpdump. When I increased the bandwidth
to 40Mbps each, the high priority class got lesser bandwidth.
Maybe wireless is a special case here - was the driver/device actually
on the prio box?
(maybe the
effect of the known issue that large amount of low prio traffic can
starve high prio traffic)
On eth using tcp I can get prio to behave quite well.
You need to remember to filter arp to a high (best empty) class - it
goes to x:2 by default, which made for a bit of wierdness when I tried last.
If you use tcp on my 100meg eth there is still a 300pkt buffer to fill
before prio gets backlogged, so window scaling needs to be on and both
ends need decent size buffers/scale amounts.
Maybe UDP would be different I'll have to try sometime.
Andy.
_______________________________________________
LARTC mailing list
LARTC@mailman.ds9a.nl
http://mailman.ds9a.nl/cgi-bin/mailman/listinfo/lartc
|