[CentOS] Monitoring bandwidth, latency, packet drop.

Fri Nov 9 11:05:32 UTC 2012
Antonio da Silva Martins Junior <asmartins at uem.br>

----- "Rafał Radecki" <radecki.rafal at gmail.com> escreveu:

> De: "Rafał Radecki" <radecki.rafal at gmail.com>
> Para: "CentOS mailing list" <centos at centos.org>
> Enviadas: Sexta-feira, 9 de Novembro de 2012 5:59:46 (GMT-0300) Auto-Detected
> Assunto: [CentOS] Monitoring bandwidth, latency, packet drop.
> Hi all.
> I am currently thinking about monitoring a network link (bandwidth,
> latency, packet drop). I have a centos server which is connected to
> providers network through a switch. How to test the link? Should I:
> - use ICMP to ping gateway and collect staistics of time/packet
> loss/etc.
> - use software like here:
> http://www.cyberciti.biz/faq/linux-unix-windows-monitor-outgoing-bandwidth-latency/
>  (client/server)
> ?
> Is there an option to monitor bandwidth, latency, packet drop without
> installing additional software on gateway or external host?

Hi Rafal, 

   I use this https://collectd.org/wiki/index.php/Plugin:Ping
collectd plugin to monitor latency and packet drop. The bandwidth
can be monitored with another plugin, if it's the server bandwidth,
or using snmp on the router to monitor the site bandwitdth.


| Antonio S. Martins Jr. - Support Analyst | "Only The Shadow Knows     |
| Universidade Estadual de Maringá - Brasil|   what evil lurks in the   |
| NPD - Núcleo de Processamento de Dados   |       Heart of Men!"       |
| E-Mail: asmartins at uem.br / shadow at uem.br | !!! Linux User: 52392 !!!  |
     "Real Programmers don’t need comments — the code is obvious."

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