Tuesday, September 11, 2018

Cisco Netflow Trouble

Hey,

Im trying to setup Netflow with PRTG against my Cisco ASA 5512-X but my PRTG server isn't receiving anything and Im not sure how to tell if the ASA is even doing anything

ASA 5512-X - Location Corporate Office

PRTG Server - Location Data Center

Corporate -> PRTG has a VPN tunnel

Local IP of the PRTG Server is: 10.20.44.8

On the firewall I have netflow setup to go to 10.20.44.8 on my inside interface on port 2055

Windows Firewall is turned off on PRTG Server

We do have ports locked down on the Cisco ASA but im assuming since this is going from the firewall to the server, it doesn't hit the rules? (Even so I added an exception just in case)



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