1 May 2002 14:02
RE: listening on multiple interfaces
Carter Bullard <carter <at> qosient.com>
2002-05-01 12:02:07 GMT
2002-05-01 12:02:07 GMT
Hey Jeff,
Argus has the big performance relevant TCP metrics
in each record. Besides having bytes, pkts and application bytes,
argus also has retransmitted pkts and bytes, last
advertised window size, last seq number, along with the DS-Bytes,
VLAN tags, etc, so you should be able to do some analysis just
with Argus data. This data is generated by default, so you've
already got a lot of TCP performance data in your argus archive,
if you've started one.
Argus can also give you burst timing metrics, if you've got
ARGUS_GENERATE_JITTER_DATA=yes in your argus.conf file. This
will give you mean, stdev, min and max interpacket arrival times,
for when TCP is in the window (Active) and when its outside its
window (Idle), so you can see the burst behavior when its
transmitting and see the inter-window gaps, while its waiting
for Acks, etc.
If your interested in measuring a specific TCP to death,
you can configure argus to generate flow status reports as
often as every millisecond ("-S 0.001") which can give you some
very interesting data, indeed. And since you only generate
argus data when there is activity, you can leave a sub-second
argus running for extended times.
Use raxml to printout all the fields. If you have any
questions, please send more mail!!!
Carter
(Continue reading)
I downloaded the libpcap-0.6.2 source tree and built against that, and
everything built fine.
(2) I ran configure --prefix=/home/argus, but "make install" installed the
documentation files in /usr/share/doc/argus-2.0. Bad installer
).
Except this point, Argus seems to run fine for now. Nice work, as
usual.
Regards,
- yann
RSS Feed