350-601 Question #65: Real Exam Question with Answer & Explanation

Question

The Cisco Nexus 1000v Series switches can configure traditional SPAN sessions. Which three statements about the local SPAN source ports are true? (Choose three)

Options

• AIt can be port type Ethernet, virtual Ethernet, or port-channel.
• BIt can be configured to monitor the direction of the traffic.
• CIt must be in the same VLAN.
• DIt cannot be on a different host VEM as the destination port.
• EIt cannot be a port profile.
• FIt must be in the same VSAN.

Explanation

For local SPAN on Cisco Nexus 1000v, source ports can be various Ethernet types and their traffic direction can be monitored, but the source and destination ports must reside on the same host VEM.

Common mistakes.

• C. SPAN source ports do not inherently need to be in the same VLAN; SPAN captures traffic from the specified source port regardless of its VLAN membership and directs it to the destination port.
• E. While a port profile itself is a configuration template, the actual virtual Ethernet ports instantiated from a port profile can indeed be configured as SPAN sources.
• F. VSANs (Virtual Storage Area Networks) are irrelevant for standard Ethernet or virtual Ethernet SPAN, as they are used for Fibre Channel or FCoE traffic segmentation.

Concept tested. Nexus 1000v Local SPAN source port characteristics

Reference. https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus1000v/sw/4_0/layer2/configuration/guide/l2_n1000v_cg/n1000v_l2_span.html

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