[132360] in North American Network Operators' Group
Re: Network management software with high detailed traffic report
daemon@ATHENA.MIT.EDU (sthaug@nethelp.no)
Mon Nov 22 04:47:05 2010
Date: Mon, 22 Nov 2010 10:46:58 +0100 (CET)
To: serge.devorop@gmail.com
From: sthaug@nethelp.no
In-Reply-To: <AANLkTinxfaGuR8Umfh=su=9q1k1SSgD4F8+YOrxu6VN-@mail.gmail.com>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
> 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@nethelp.no
