I use this Nagios plugin for up/down status alerts, it has some support for interface bandwidth (and errors/discards) monitoring. It's just a perl script so you could easily modify it to suit your needs.
http://nagios.manubulon.com/snmp_int.html -wil On Mar 12, 2011, at 5:51 AM, Deric Kwok wrote: > Hi > > ls there any program/way to monitor the switch port/switch status when > it reaches to certain bandwidth? > > Thank you so much >