- Written by John Schimmel
- Posted on September 22, 2025
- Updated on September 24, 2025
- 1341 Views
The Arista Service Node (SN) provides specialized packet processing within the DANZ Monitoring Fabric (DMF), which is not easily accomplished within the CPU on a switch. The SN provides a packet processing pipeline tied to a physical interface, reading packets and writing results from the same interface.