Describes ERSPAN sources and their role in packet monitoring.
ERSPAN
Explains the Cisco Encapsulated Remote Switched Port Analyzer (ERSPAN) feature that allows monitoring traffic on ports or VLANs across a Layer 3 network using GRE encapsulation.
Information about configuring ERSPAN
Describes the information sections that provide details about configuring ERSPAN functionality on network devices. This reference assists administrators in locating specific configuration parameters and operational requirements.
Troubleshoot ERSPAN
Explains how to configure Encapsulated Remote Switched Port Analyzer (ERSPAN) using debug commands to troubleshoot issues and capture network traffic in real-time.
Additional references
Provides links to relevant RFCs and technical assistance resources for Cisco products and technologies.
Feature history for ERSPAN
Provides release information about ERSPAN configuration features and platform support details.