Linux router traffic monitoring, how? netflow?

Peter Phaal peter.phaal at gmail.com
Fri Nov 14 15:16:36 UTC 2014


You might want to take a look at the Host sFlow SourceForge project:
http://host-sflow.sourceforge.net/

The hsflowd agent used the sFlow protocol to export interface
counters, host performance statistics and packet flows (collected
using iptables ULOG).

Peter

On Thu, Nov 13, 2014 at 9:09 AM, Eliezer Croitoru <eliezer at ngtech.co.il> wrote:
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> Hey all,
>
> I have a tiny linux router based on ubuntu and sometimes I get a
> massive load of UDP traffic because of one of the PCs in the network.
> Usually I handle the situation with a strict block using iptables.
> The main issue is to find it due to the load.
> For now I am monitoring the traffic load using MRTG but it won't
> notify me.
> I can try to use nagios to monitor traffic load for a period of time
> but before I start working on it I want another person opinion and
> options.
>
> I have seen netflow in the past but never actually used it.
>
> Thanks in advance,
> Eliezer
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