In this chapter
This chapter describes the stateful flow management feature.
See DN-1227 for more details on stateful flow management.
Note: This chapter only applies to NT200A02 running on the 2 × 40 Gbit/s FM image or on the
8 × 10 Gbit/s FM image.
Hash fundamentals
Stateful Flow Management is SHA-1 hash-based, with configurable hash key elements. Stateful Flow Management generates a 128-bit hash value as a flow signature.
The probability of a flow signature lookup collision is extremely low and can be disregarded.