Tcpdump data collection
hhoffman at ip-solutions.net
Tue Dec 2 20:32:04 CST 2008
Check out argus http://www.qosient.com/argus/
It can do exactly what you what.
On Tue, 2008-12-02 at 17:19 -0800, Subba Rao wrote:
> I want to collect data on a network and map the data flow and system/port traffic. There are 2 scenarios of data collection here. The first is to collect IP traffic only. In this method I do not want the data portion of the IP packet (need IP address, source/destination ports etc).
> The second is to collect traffic that will show all the routing protocols (non-IP) used on this network. Today while collecting the data, I saw several HSRP packets. I don't know what portion of the packet is sufficient to capture for this purpose.
> I used the "-s 0" option on tcpdump which captures the whole packet. That is making the dump file large. Any help with the filters is appreciated to capture the non-data portion of the packets.
> Thank you in advance.
> Subba Rao
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