Once upon a time in the mid-1990s, the network world was like a busy highway where the traffic police—network admins—were trying to understand traffic patterns by taking blurry snapshots from a helicopter using a protocol called . They could see that the road was full, but they had no idea who was driving, where they were going, or what was in their trailers.
! On the router (exporter) flow exporter NETFLOW-COLLECTOR destination 192.168.1.100 source GigabitEthernet0/0 transport udp 2055 option interface-table option application-table ! flow monitor FLOW-MONITOR exporter NETFLOW-COLLECTOR cache timeout active 60 record netflow ipv4 original-input ! interface GigabitEthernet0/1 ip flow monitor FLOW-MONITOR input ip flow monitor FLOW-MONITOR output netflow collector
Without a collector, NetFlow data is just discarded after it’s generated. By implementing one, you gain several critical capabilities: Configure Log Export Functionality - Versa Networks Once upon a time in the mid-1990s, the
Implementing a NetFlow Collector is not without its difficulties. By implementing one, you gain several critical capabilities: