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HPE7-A01 · Question #44

A network administrator is attempting to troubleshoot a connectivity issue between a group of users and a particular server. The administrator needs to examine the packets over a period of time from…

The correct answer is B. The encapsulation protocol used is GRE. E. On the source AOS-CX switch, the destination specified is the administrators desktop. These are the correct statements regarding the ERSPAN session that needs to be established on an AOS-CX switch for a network administrator to examine the packets over a period of time from their desktop. ERSPAN (Encapsulated Remote Switched Port Analyzer) is a feature that…

Troubleshooting and Optimizing Campus Access

Question

A network administrator is attempting to troubleshoot a connectivity issue between a group of users and a particular server. The administrator needs to examine the packets over a period of time from their desktop; however, the administrator is not directly connected to the AOS-CX switch involved with the traffic flow. What statements are correct regarding the ERSPAN session that needs to be established on an AOS-CX switch? (Select two)

Options

  • AOn the source AOS-CX switch, the destination specified is the switch to which the administrator's
  • BThe encapsulation protocol used is GRE.
  • CThe encapsulation protocol used is VXLAN.
  • DThe encapsulation protocol is UDP.
  • EOn the source AOS-CX switch, the destination specified is the administrators desktop

How the community answered

(41 responses)
  • A
    7% (3)
  • B
    78% (32)
  • C
    2% (1)
  • D
    12% (5)

Explanation

These are the correct statements regarding the ERSPAN session that needs to be established on an AOS-CX switch for a network administrator to examine the packets over a period of time from their desktop. ERSPAN (Encapsulated Remote Switched Port Analyzer) is a feature that allows an AOS-CX switch to mirror traffic from one or more source ports or VLANs to a remote destination IP address over a GRE (Generic Routing Encapsulation) tunnel. The destination IP address must be the IP address of the administrator's desktop, which must have a packet capture tool installed to receive and analyze the mirrored traffic. The encapsulation protocol used for ERSPAN is GRE, which adds a header to the mirrored packets with information such as source and destination IP addresses, session ID, etc. The other statements are incorrect because they either do not specify the correct destination IP address or do not use ERSPAN or GRE.

Topics

#ERSPAN#packet capture#GRE encapsulation#remote mirroring

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