Sergiy Lozovsky wrote:
Hi,
I'm trying to figure out how to use Linux QoS. Default
setting has three queues (bands) and should prioretise
outgoing tarffic based on TOS field. I try to test
that by flooding Ethernet interface by netperf or
iptraf and running ping -f with -Q and without Q. -Q
doesn't affect ping results, it suffers anyway. It
seems that I don't understand something. I verified
that -Q traffic goes through higher prority queue.
I can make it work if I shape traffic at lower
priority queue, but I would like to avoid that,
becuase can't always predict bandidth of connection.
I would appreciate any insight on that.
Works for me - well if you don't shape then you will have a nic driver
dependant buffer after the queue maybe yours is bigger - but if you
start enough tcps to get a big backlog then you should be able see the
difference.
Andy.
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