Which situation is a good case for a network technician to troubleshoot a problem using the ERSPAN tool?
- a problem in the purchasing department and accessing the switch that connects to all the purchasing network devices
- a problem appeared on one switch, but the technician wants to have the mirrored traffic captured on another switch in the same building that is close to the workstation used by the technician
- a problem where the technician suspects that traffic from one VLAN is affecting another VLAN
- a problem that is at a different location, but within the same company
Explanation: Encapsulated Remote Switched Port Analyzer (ERSPAN): You can capture network traffic on a remote device and send the traffic to the local system through Layer 3 (routing) toward a local port attached to some sort of traffic analyzer.
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