Good Day,
I'm trying to get ntop working on a FreeBSD 7.0 amd64 box. I've had
problems compiling 3.3.10, so tried 3.4pre3.
I'm only interested in seeing data on a NetFlow interface. Nothing local
is needed. However, I'm seeing similar behavior on eth0, only the
Traffic Statistics table on the Summary Traffic page show very many
packets dropped by libpcap.
Compile and installation work fine. Ntop starts fine, web interface is
fully functional. Netflow plugin is enabled and active. But there is
only one packet shown for the NetFlow device, no packets dropped by
ntop. I *believe* I've tried all ip address configuration options. Most
other settings are default. Running in daemon mode does not produce any
warnings on the console. Listen port is not default, and I've configured
in the web UI, not spec
started with {prefix}/bin/ntop -w 81 -u ntop -L -d
tcpdump shows data coming in on the port I'm expecting it. Ethereal
confirms they are legit netflow/cflow packets.
sockstat shows ntop listening on the udp4 port expected.
disabling ipfw doesn't help.
Files are created in {prefix}/var/ntop/rrd/interfaces/NetFlow-device.2.
They are being updated, but only with NANs or 0.000 entries.
Netflow statistics page in the web UI shows just the one packet,
56bytes. No dropped flows or other problems.
We prefer to compile from source, so haven't tried the port yet.
rrdtool is 1.4, compiled from source. Cacti is also on this box, and has
no problem w/ rrdtool.
perl is 5.10.0
flow-capture is also in use on this box (for other devices, on other
ports) and is working properly.
I'm at a loss. If there's more information I can provide, I am most
happy to do so.
Kernel is custom. I have not yet tried with GENERIC, but try that next.
FreeBSD xxx.xxx.xxx 7.0-RELEASE-p12 FreeBSD 7.0-RELEASE-p12 #0: Wed Apr
28 17:46:20 EDT 2010 [email protected]:/usr/obj/usr/src/sys/NETMON amd64
Thank you very much for your time. I'm sort of hoping this is just
something stupid I'm missing.
Tim Palmer
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