Network management software with high detailed traffic report

Mon Nov 22 10:00:50 UTC 2010

Steinar,

I'm sure that router updates its counter more often than 5 seconds.

On 22 November 2010 12:46, <sthaug at nethelp.no> wrote:

> > Does any one know the NMS (network management software) which can do the
> > fallowing:
> >
> > 1. Monitor on Cisco Routers/Switches interface utilization every 5-10
> > seconds and send e-mail alarm when utilization low or high of predefined
> > thresholds.
> > 2. Collect net-flow statistics (at least src/dst) with granularity of
> 5-10-
> > seconds.
> >
> > The main idea is to have detailed monitoring of the external links and to
> be
> > able to know why (by what traffic type) and when link was highly
> utilized.
>
> Your requirements are somewhat unrealistic. Even if your NMS can fetch
> SNMP counters / Netflow info every 5-10 seconds, you have no guarantee
> that the router *updates* the counters / Netflow info this often.
>
> Talk to your router vendor first.
>
> Steinar Haug, Nethelp consulting, sthaug at nethelp.no
>