Extra Quality Free Netflow Analyzer For Cisco (LIMITED ⇒)

Assuming a typical Cisco ISR 4000 series router, you need three blocks of config:

! Step 1: Define the exporter (Where to send the data) flow exporter EXPORTER-TO-SCRUTINIZER destination 192.168.10.100 transport udp 2055 source GigabitEthernet0/0 ! Step 2: Define the monitor (What to capture) flow monitor MONITOR-ALL exporter EXPORTER-TO-SCRUTINIZER cache timeout active 60 record netflow-original free netflow analyzer for cisco

This is the classic problem of legacy monitoring. SNMP (Simple Network Management Protocol) tells you how much traffic is moving. But it cannot tell you who is sending it, where it is going, or what protocol they are using. Assuming a typical Cisco ISR 4000 series router,

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