Symptom

When adding an deleting quickly an external subnet from config (l3extSubnet) sometimes the subnet is not programmed correctly to some of the leaf.

Conditions

You can see it by checking on leaf : show zoning-prefix | egrep "subnet" if it is not present in the expected vrf where it is configured.. You might hit this conditon

Workaround

delete and add back the subnet again

Further Problem Description