The large queue limit is just for testing purposes. Once I figure out
this logging of the queue at better granularity, I plan to have more
realistic queue limits.
These are for experiments I am running in our lab to study network
traffic characteristics and the effect of that on router queuing - just FYI.
Thanks.
Yuriy Grishin wrote:
Jay Aikat wrote:
Hi,
I am looking for a way to log queue stats at less than 1 second
intervals.
On my FreeBSD router, the pf.conf file is configured as follows:
> altq on $ext_if1 priq bandwidth 622Mb qlimit 65535 queue { tcp_q1 }
> queue tcp_q1 on $ext_if1 qlimit 65535 priq (default)
Using pftop, I can get queue lengths per second at best.
$ pftop -s 1 -v queue -d 1000 > pftop.out
Is there an option in pftop to log stats per millisecond, or even
100ms? The -s option above seems to default to 1 second at best.
Thanks for any pointers you can give me.
I suppose that there should be some pre-defined variables in the source
code.
BTW Why do you use an extremely large qlimit?
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