Hello @fmugambi
you need a netflow configuration on your Switch/Router
- Flow records
Example:
ip flow-export source <source_interface>
ip flow-export version 9
flow record MyFlowRecord
match ipv4 source address
match ipv4 destination address
match transport source-port
match transport destination-port
collect counter bytes long
collect counter packets long
- Flow exporter
Example:
flow exporter MyExporter
description Export to PRTG
destination <PRTG_IP> 2055
source <source_interface>
transport udp 2055
- Flow Monitor and apply it on interfaces
Example:
flow monitor MyMonitor
description NetFlow Monitor
record MyFlowRecord
exporter MyExporter
cache timeout active 60
interface <interface_type> <interface_number>
ip flow monitor MyMonitor input
In PRTG side, make sure you've set up a Netflow sensor and configured it to receive data on the specified port (default is 2055).
Best regards
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