How is ERSPAN used for troubleshooting?
- to capture network traffic on a remote switch and send a copy of it to the local switch through Layer 2 toward a local port attached to a traffic analyzer
- to capture network traffic on a switch port and send it to a VLAN
- to capture network traffic on a remote device and send it to the local system through Layer 3 toward a local port attached to a traffic analyzer
- to capture local network traffic on a switch and send a copy of it to a local port attached to a traffic analyzer
Explanation: Catalyst switches provide the Switched Port Analyzer (SPAN), which makes it possible to capture packets by using the following techniques:
- Local Switched Port Analyzer. Local network traffic is captured on a switch and a copy of it is sent to a local port attached to a traffic analyzer.
- Remote Switched Port Analyzer (RSPAN). Network traffic is captured on a remote switch and a copy of it is sent to the local switch through Layer 2 (switching) toward a local port attached to a traffic analyzer.
- Encapsulated Remote Switched Port Analyzer (ERSPAN). Network traffic is captured on a remote device and it is sent to the local system through Layer 3 (routing) toward a local port attached to a traffic analyzer.
Exam with this question: CCNPv8 ENCOR (Version 8.0) - CCNP ENCOR (350-401) Certification Practice Exam
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