What is the purpose of ERSPAN?
- to mirror traffic from a remote location
- to log information from monitored network devices
- to provide standardization for traffic sent from network devices to a logging server
- to analyze the type and frequency of specific data types for QoS purposes
Explanation: Encapsulated Remote Switched Port Analyzer (ERSPAN) is used to route monitored traffic from one network to another through Layer 3 routing instead of Layer 2 port mirroring as other SPAN technologies do.
Exam with this question: CCNP Core Networking: Modules 22 - 24 Checkpoint Exam: Network Design and Monitoring Exam
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