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Date:      Fri, 21 Aug 2009 11:53:36 +0800
From:      "Ren, James  (China)" <James.Ren@britishcouncil.org.cn>
To:        <freebsd-questions@freebsd.org>
Subject:   data captured by fprobe but not shown on nfsen
Message-ID:  <BA344B7C748D08448AE70F9D1BA93A5B04BABE56@CN_BJS1B_MS004.britishcouncil.org>

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Dear=20all,

=20

I=20started=20to=20use=20FreeBSD=20last=20week=20and=20encountered=20a=20f=
ew=20problems.=20I'd
be=20grateful=20if=20any=20of=20you=20could=20give=20a=20hand.

=20

I=20installed=20FreeBSD=207.2=20on=20Dell=20GX520=20with=20two=20network=20=
adaptors,=20one
on-board=20and=20the=20other=20PCI=20addon.=20They=20are=20all=2010/100=20=
baseT=20auto.=20The
workstation=20has=202.8GHz=20CPU,=20512MB=20RAM=20and=2080G=20IDE=20Hard=20=
disk.

=20

The=20installation=20went=20successfully.=20After=20the=20FreeBSD=20was=20=
installed,=20I
firstly=20installed=20Apache22,=20then=20php5,=20and=20nfsen1.3=20includin=
g=20Port
Tracker.=20I=20have=20configured=20apache=20and=20nfsen=20properly=20so=20=
that=20nfsen.php
page=20could=20be=20viewed=20properly=20on=20other=20workstations=20within=
=20the=20network.
Now=20that=20I=20could=20see=20the=20diagrams=20generated=20by=20nfsen,=20=
I=20then=20installed
fprobe=20on=20the=20same=20workstation=20in=20hope=20to=20capture=20data=20=
from=20one=20network
interface=20and=20projected=20it=20as=20netflow=20for=20nfsen.=20Fprobe=20=
was=20installed
successfully.

=20

I=20configured=20the=20on-board=20network=20card=20named=20as=20bge0=20as=20=
dhcp=20client=20to
receive=20ipv4=20address=20from=20DHCP=20in=20my=20network.=20I=20then=20c=
onnected=20the=20other
PCI=20network=20card=20named=20as=20vr0=20to=20my=20core=20Cisco=203560=20=
switch.=20I=20configured
on=20switch=20to=20monitor=20session=201=20to=20mirror=20g0/22=20rx=20traf=
fic=20to=20g0/2=20which
was=20connected=20to=20vr0.=20When=20I=20checked=20on=20the=20switch,=20sh=
ow=20inter=20gi0/2=20and
gi0/2=20counters.=20I=20could=20see=20the=20port=20was=20in=20monitoring=20=
status=20and
overnight=20about=2010G=20data=20had=20been=20sent=20to=20vr0.=20Physicall=
y=20I=20could=20see
the=20LED=20on=20vr0=20flickering=20madly=20showing=20the=20data=20were=20=
transmitting.

=20

I=20typed=20fprobe=20-i=20vr0=20127.0.0.1:9995=20and=20also=20fprobe=20-i=20=
vr0
localhost:9995

=20

Here=20came=20the=20problem,=20when=20I=20typed=20tcpdump=20-n=20-i=20lo0=20=
dst=20port=209995=20I
could=20see=20any=20udp=20sent=20to=20port=209995,=20no=20matter=20how=20l=
ong=20I=20waited.

I=20then=20typed=20fprobe=20127.0.0.1:9995=20and=20fprobe=20localhost:9995=
=20(Sorry=20I
was=20not=20sure=20which=20one=20was=20correct.)

This=20time=20tcpdump=20showed=20UDP=20traffic=20to=20port=209995=20and=20=
nfsen=20did=20capture
some=20data.=20However,=20after=20a=20night=20it=20only=20showed=20very=20=
few=20traffic
through,=20most=20of=20which=20were=20dns=20and=20broadcasting=20traffic!=20=
So=20fprobe
didn't=20get=20anything=20from=20vr0=20at=20all.

=20

I=20have=20searched=20the=20web=20and=20checked=20the=20syntax=20for=20fpr=
obe=20and=20manual
didn't=20explain=20much=20in=20this.

=20

Where=20was=20I=20getting=20wrong?=20Could=20anyone=20give=20me=20a=20hand=
?

=20

=20

Regards,

=20

James=20Ren

=20


The=20British=20Council=20is=20the=20United=20Kingdom's=20international=20=
organisation=20for=20educational=20opportunities=20and=20cultural=20relati=
ons.=20We=20are=20a=20registered=20charity;=20209131=20(England=20and=20Wa=
les)=20SC037733=20(Scotland).=20We=20build=20engagement=20and=20trust=20fo=
r=20the=20UK=20through=20the=20exchange=20of=20knowledge=20and=20ideas=20b=
etween=20people=20worldwide.

This=20message=20is=20for=20the=20use=20of=20the=20intended=20recipient(s)=
=20only.=20If=20you=20have=20received=20this=20message=20in=20error,=20ple=
ase=20notify=20the=20sender=20and=20delete=20it.=20The=20British=20Council=
=20accepts=20no=20liability=20for=20loss=20or=20damage=20caused=20by=20sof=
tware=20viruses=20and=20you=20are=20advised=20to=20carry=20out=20a=20virus=
=20check=20on=20any=20attachments=20contained=20in=20this=20message.



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