Tips and Tricks
Connections to port 22 on remote networks from a particular AS
Remote HTTP/HTTPS traffic on web ports talking to a particular AS
Alert on a large number of DNS requests
Recommended Reading
Flexible NetFlow and VRF
The eBook discusses the behavior of NetFlow in a VRF environment and provides guidance on how to configure Flexible NetFlow ingress VRF Support. It offers details on Flexible Netflow ability to characterize IP traffic and identify its source, destination, timing, and application information critical for network availability, performance, and troubleshooting.
Capacity Planning and NetFlow
This eBook discusses the role of NetFlow as a valuable tool for collecting IP traffic matrices that can be used for capacity planning. The eBook emphasizes the importance of network capacity planning and points out common pitfalls associated with this topic It also discusses the main methods for collecting and building traffic matrices based on NetFlow technology.