Message-ID: <firstname.lastname@example.org> Date: Thu, 8 Nov 2001 18:01:15 -0600 (CST) From: José Vicente Núñez Zuleta <email@example.com> Subject: How can i know how much data is transfered between a client and a server (length of the whole conversation) or how much bandiwth is being used in a given time for a given interface?
I'm trying to find out how much bandwidth is being
consumed by a set of clients in a local network (we
are crunching numbers and before to jumt to a Gigabit
Ethernet we need to know if our current config is
I managed to measure the bandwith between the client
and the server using iperf
to see some traffic using ethereal
but the info was not very helpfull (because ethereal
doesn't gave me the througput of each app).
Now i'm using tcpdump on the server machine,
all the traffic that comes from the client machine as
[root@linux0101 src]# tcpdump -nn -i eth0 -s 9999
src host 10.1.20.102 -w sniff2.log
Then i'm processing the data with tcptrace as
[root@josevnz devtest]# tcptrace -l -r -W
I'm sending like 9MB of data per transaction, but
output of tcptrace is showing me only the size of the
headers data not the whole conversation size.
Now the questions:
1) There is a way to tell how much data was
in a conversation between a client an a server?
2) How can i know the bandidth taken during a
period of time for all the clients conecting to the
Thanks in advance,
System Engineer, José Vicente Nuñez Zuleta (firstname.lastname@example.org)
Java 2 Certified Programmer
Java 2 Certified Developer
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