You could use pmacct [http://www.pmacct.net/] to collect netflow data from
your routers/switches and achieve similar functionality. However
CloudStack wouldn't know how to talk to pmacct to fetch the usage data.
Feel free to suggest a pmacct integration on the dev list / JIRA
On 1/18/13 3:48 AM,
CloudStack is integrated with Traffic Sentinel to meter bandwidth for Basic
(Shared) network. This integration can be configured as per you need using
below parameters:
traffic.sentinel.include.zones (default External)
traffic.sentinel.exclude.zones
All the traffic to/from zones defined in tra