Packet mode to flow mode compatibility and configuration converter

Hi,

We have two SRX240H2 configured in packet mode. There are 15 VRF and 14 VRRP instance(multiple unit configured und ge-0/0/2 interface) configured. Please find below memory and cpu utilization status.

memory and cpu utilization

 1) If i configured this device into flow mode, will it work

2) How to configure multiple unit under single reth interface

3) Is there any tool to convert packet base configuration into flow mode

Thank you....