suggestions for qos monitoring tool

[desrochj1]

hello,

i have configured auto-qos on some of my switches (mostly 2960 and 3750).

i'd like to have a good qos graphing tool to see what's going on with qos on

my switches.

i need suggestions for a free (or 30 days trial)  qos monitoring tool

wich i can run on normal desktop. also if you have suggestions for

free voip monitoring tool it would be good too.

thanks

[Edison Ortiz]

I heard good things about NetQoS.

For free monitoring, you can use IP SLA -  a quick google search turned up this site with a good example

http://www.ciscoblog.com/archives/2009/01/ip_sla_sample_c.html

Regards,

Edison