What is the version of your netflow?do a $ps -wef | grep nfcapd to see your
nfcapd options. Or you can also try nfcapd -E for debugging but make sure only
1 instance of nfcapd is running.
Mon
On Mar 30, 2013, at 22:56, "Aaron" <[email protected]> wrote:
> Hi All, I’m new to the list, and also new to nfdump/nfsen. I have begun
> trying to install and get running nfdump, please provide guidance where you
> are able... I also haven’t begun installing nfsen since I thought that nfdump
> needed to work first before nfsen should be installed, and I am thinking that
> nfdump may not be working yet...let me know what you think.
>
>
>
> I’m following the instructions on this site...
> http://www.3open.org/d/tips/install_nfdump_on_centos_5 ...the only thing I
> haven’t done on this site is the part at the bottom titled “init script for
> nfcapd” ...do I need to do that part? If so how?
>
>
>
> I’ve gotten through most all the steps and I see the following...it seems the
> files are being built but I don’t see anything in the files...
>
>
>
> I do know that my router is sending netflow exported data to udp 9995 since
> tcpdump on this host shows it arriving here.
>
>
>
> [root@me ~]# ls -la /var/cache/nfdump/2013
>
> total 12
>
> drwxr-xr-x. 3 netflow netflow 4096 Mar 29 09:45 .
>
> drwxr-xr-x. 3 netflow netflow 4096 Mar 30 10:45 ..
>
> drwxr-xr-x. 4 netflow netflow 4096 Mar 30 00:05 03
>
>
>
> [root@me ~]# ls -la /var/cache/nfdump/2013/03
>
> total 16
>
> drwxr-xr-x. 4 netflow netflow 4096 Mar 30 00:05 .
>
> drwxr-xr-x. 3 netflow netflow 4096 Mar 29 09:45 ..
>
> drwxr-xr-x. 17 netflow netflow 4096 Mar 29 23:05 29
>
> drwxr-xr-x. 13 netflow netflow 4096 Mar 30 10:05 30
>
>
>
> [root@me ~]# ls -la /var/cache/nfdump/2013/03/30
>
> total 52
>
> drwxr-xr-x. 13 netflow netflow 4096 Mar 30 10:05 .
>
> drwxr-xr-x. 4 netflow netflow 4096 Mar 30 00:05 ..
>
> drwxr-xr-x. 2 netflow netflow 4096 Mar 30 01:00 00
>
> drwxr-xr-x. 2 netflow netflow 4096 Mar 30 02:00 01
>
> drwxr-xr-x. 2 netflow netflow 4096 Mar 30 03:00 02
>
> drwxr-xr-x. 2 netflow netflow 4096 Mar 30 04:00 03
>
> drwxr-xr-x. 2 netflow netflow 4096 Mar 30 05:00 04
>
> drwxr-xr-x. 2 netflow netflow 4096 Mar 30 06:00 05
>
> drwxr-xr-x. 2 netflow netflow 4096 Mar 30 07:00 06
>
> drwxr-xr-x. 2 netflow netflow 4096 Mar 30 08:00 07
>
> drwxr-xr-x. 2 netflow netflow 4096 Mar 30 09:00 08
>
> drwxr-xr-x. 2 netflow netflow 4096 Mar 30 10:00 09
>
> drwxr-xr-x. 2 netflow netflow 4096 Mar 30 10:45 10
>
>
>
> [root@me ~]# ls -la /var/cache/nfdump/2013/03/30/10
>
> total 44
>
> drwxr-xr-x. 2 netflow netflow 4096 Mar 30 10:45 .
>
> drwxr-xr-x. 13 netflow netflow 4096 Mar 30 10:05 ..
>
> -rw-r--r--. 1 netflow netflow 276 Mar 30 10:05 nfcapd.201303301000
>
> -rw-r--r--. 1 netflow netflow 276 Mar 30 10:10 nfcapd.201303301005
>
> -rw-r--r--. 1 netflow netflow 276 Mar 30 10:15 nfcapd.201303301010
>
> -rw-r--r--. 1 netflow netflow 276 Mar 30 10:20 nfcapd.201303301015
>
> -rw-r--r--. 1 netflow netflow 276 Mar 30 10:25 nfcapd.201303301020
>
> -rw-r--r--. 1 netflow netflow 276 Mar 30 10:30 nfcapd.201303301025
>
> -rw-r--r--. 1 netflow netflow 276 Mar 30 10:35 nfcapd.201303301030
>
> -rw-r--r--. 1 netflow netflow 276 Mar 30 10:40 nfcapd.201303301035
>
> -rw-r--r--. 1 netflow netflow 276 Mar 30 10:45 nfcapd.201303301040
>
>
>
> [root@me ~]# nfdump -R /var/cache/nfdump/2013/03/30/10/nfcapd.201303301000
>
> Date first seen Duration Proto Src IP Addr:Port Dst IP
> Addr:Port Packets Bytes Flows
>
> No matched flows
>
>
>
> [root@me ~]# nfdump -R /var/cache/nfdump/2013/03/30/10/nfcapd.201303301005
>
> Date first seen Duration Proto Src IP Addr:Port Dst IP
> Addr:Port Packets Bytes Flows
>
> No matched flows
>
>
>
> [root@me ~]# nfdump -R /var/cache/nfdump/2013/03/30/10/nfcapd.201303301040
>
> Date first seen Duration Proto Src IP Addr:Port Dst IP
> Addr:Port Packets Bytes Flows
>
> No matched flows
>
>
>
> [root@me ~]# tcpdump -i eth0 -nn | grep -i 9995
>
> tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
>
> listening on eth0, link-type EN10MB (Ethernet), capture size 65535 bytes
>
> 10:51:56.504510 IP 1.2.0.5.1372 > 3.4.150.93.9995: UDP, length 252
>
> 10:51:57.506593 IP 1.2.0.5.1372 > 3.4.150.93.9995: UDP, length 880
>
> 10:51:59.510514 IP 1.2.0.5.1372 > 3.4.150.93.9995: UDP, length 708
>
> 10:52:00.513018 IP 1.2.0.5.1372 > 3.4.150.93.9995: UDP, length 1336
>
> 10:52:00.513521 IP 1.2.0.5.1372 > 3.4.150.93.9995: UDP, length 1452
>
> 10:52:00.513597 IP 1.2.0.5.1372 > 3.4.150.93.9995: UDP, length 1452
>
> 10:52:00.513620 IP 1.2.0.5.1372 > 3.4.150.93.9995: UDP, length 1452
>
> 10:52:00.513641 IP 1.2.0.5.1372 > 3.4.150.93.9995: UDP, length 1452
>
> 10:52:00.513661 IP 1.2.0.5.1372 > 3.4.150.93.9995: UDP, length 1392
>
> 10:52:00.513722 IP 1.2.0.5.1372 > 3.4.150.93.9995: UDP, length 1452
>
> 10:52:00.513754 IP 1.2.0.5.1372 > 3.4.150.93.9995: UDP, length 1452
>
> 10:52:00.513805 IP 1.2.0.5.1372 > 3.4.150.93.9995: UDP, length 1452
>
> 10:52:00.513820 IP 1.2.0.5.1372 > 3.4.150.93.9995: UDP, length 368
>
> 10:52:01.515624 IP 1.2.0.5.1372 > 3.4.150.93.9995: UDP, length 1452
>
> 10:52:01.516152 IP 1.2.0.5.1372 > 3.4.150.93.9995: UDP, length 1452
>
> 10:52:01.517030 IP 1.2.0.5.1372 > 3.4.150.93.9995: UDP, length 1452
>
> 10:52:01.517087 IP 1.2.0.5.1372 > 3.4.150.93.9995: UDP, length 1452
>
> 10:52:01.517100 IP 1.2.0.5.1372 > 3.4.150.93.9995: UDP, length 1452
>
> 10:52:01.517111 IP 1.2.0.5.1372 > 3.4.150.93.9995: UDP, length 1452
>
> ^C114 packets captured
>
> 114 packets received by filter
>
> 0 packets dropped by kernel
>
>
>
>
>
> Aaron
>
>
>
> ------------------------------------------------------------------------------
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