The flows data originates from a Cisco 1841 router outside the firewall at 188.8.131.52 A 'show ip cache flow' and a packet cap outside the fw shows data flowing. The flows port in use is 2055. Inside the firewall is a local machine 10.10.19.4/16 to capture the data. But no data arrives. On the Pix...
What tools are other members using for Cisco NetFlow traffic analysis? I'm especially interested in open source tools but any commercial or proprietary recommendations or suggestions would also be appreciated. Thank you. Moderator Note: This is a user submitted question