Note: By default Static Router AD value-1 hence ip route 0.0.0.0. 0.0.0.0. 1.1.1.1 track 1 means AD-1 which must be less than of back up route AD.
Define the backup route to use when the tracked object is unavailable. !--- The administrative distance of the backup route must be greater than !--- the administrative distance of the tracked route. !--- If the primary gateway is unreachable, that route is removed !--- and the backup route is installed in the routing table !--- instead of the tracked route.
https://www.cisco.com/c/en/us/support/docs/ip/ip-routing/200785-ISP-Failover-with-default- routes-using-I.html
https://www.cisco.com/c/en/us/support/docs/security/asa-5500-x-series-next-generation- firewalls/118962-configure-asa-00.html

To fix the issue, the engineer must configure the flow exporter under the flow monitor. This can be achieved by adding the following command under the flow monitor FLOW-MONITOR-1 configuration:
flow monitor FLOW-MONITOR-1
exporter EXPORTER-1
This links the flow monitor to the exporter and allows the collected data to be sent to the NetFlow collector.

To avoid matching the filtering and policing that are configured in a subsequent class, configure policing in each class. CoPP does not apply the filtering in a class that does not contain a police command. A class without a police command matches no traffic.