Logs and Monitoring

NetFlow

A service that summarizes statistics based on the flows of traffic traversing the network.

NetFlow Collector

A system that gathers and stores summarized NetFlow data from multiple probes.

Protocol Analyzer

A tool that captures and analyzes packets on a network, allowing users to view traffic in detail.

Syslog

A standard for transferring log files from various network devices to a centralized logging system.

SIEM

Security Information and Event Manager; a system that collects, analyzes, and stores log data from multiple sources.

Port Mirroring

A technique that allows network traffic to be duplicated and sent to a monitoring device.

Network Performance Baseline

A set of performance statistics that represent normal network activity used for comparison during troubleshooting.

Facility Code

An identifier within a syslog message that indicates the program that generated the log entry.

API Integration

A method that allows direct communication with network devices using Application Programming Interfaces to automate management tasks.

SPAN (Switched Port Analyzer)

Another term for port mirroring, which allows traffic copying from one port on a switch to another.