Assuming a typical Cisco ISR 4000 series router, you need three blocks of config:
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. free netflow analyzer for cisco
Every Cisco network engineer knows the feeling. Users are complaining that the ERP system is "slow." The CEO’s video call keeps dropping. Your Nagios alerts say bandwidth is at 95%, but when you look at the interface graph, you see a solid wall of green. You know something is out there, but you have no idea what . Assuming a typical Cisco ISR 4000 series router,