Network management software with high detailed traffic report

sthaug at sthaug at
Mon Nov 22 03:46:58 CST 2010

> 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

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