[netflow-tools] Reg softflowd v9

Damien Miller djm at mindrot.org
Thu Sep 3 18:26:01 EST 2009

On Wed, 19 Aug 2009, Koteswar wrote:

> Hi
> I am runing softflowd in my PC with following command
> #softflowd -D -v 9 -i eth1 -n192.168.100.2:5555 -t maxlife=10 -t expint=10
> And it is not sending v9 template flow set immadiately. If I create some
> ICMP session with
> #ping -c 4
> then it is sending template flow set but not data flow set with the ICMP
> session data.
> If I do ping again then it is sending data flow set with the ICMP session
> data. So we are missing first data flow set. I am attaching the debug info
> with this mail.

>From the start of your debuglog:

> Finished scan 2 flow(s) to be evicted
> Flow 1/0: r 0 offset 159 type 0004 len 35(0x0023) flows 1
> Flow 1/1: r 0 offset 190 type 0004 len 66(0x0042) flows 2
> Sending flow packet len = 192

This packet length certainly looks like a template flowset + two flows.
Can you try to catch the problem with tcpdump?


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