Cisco NBAR/AVC uses granularity mode to select the level of protocol classification. As far as I know, course is enable by default, I believe for performance/bandwidth reasons, so NBAR2 in this case is not used.
LiveNX by default do not change the mode to granularity fine (ip nbar classification granularity fine-grain):
- Is this consideration corret?
- Is this the suggested configuration?
- Could it be changed from LiveNX menu? Or by CLI?
- How much Do we have to be worried about performance issues and bandwidth allocation for NetFlow?