300-170 · Question #104
Refer to the exhibit. You attempt to configure a local SPAN session on a Cisco Nexus 1000V Series Switch by using the vEthernet interface of VM1 as the source port and the vEthernet destination…
The correct answer is D. It fails. Attempting to configure a local SPAN session on a Cisco Nexus 1000V using a vEthernet interface as the destination port will fail due to system limitations.
Question
Refer to the exhibit. You attempt to configure a local SPAN session on a Cisco Nexus 1000V Series Switch by using the vEthernet interface of VM1 as the source port and the vEthernet destination port. Which description of what happens to the SPAN session is true?
Exhibit
Options
- AIt can be successfully only logged to a file on VEM1.
- BIt secceeds.
- CBoth VMs must be on same VLAN for this work.
- DIt fails.
How the community answered
(30 responses)- A3% (1)
- B10% (3)
- C13% (4)
- D73% (22)
Why each option
Attempting to configure a local SPAN session on a Cisco Nexus 1000V using a vEthernet interface as the destination port will fail due to system limitations.
SPAN sessions on Cisco Nexus 1000V are not logged to a file on VEM1; they typically direct traffic to a monitoring interface.
The configuration will not succeed because a vEthernet interface cannot function as a SPAN destination port on the Cisco Nexus 1000V switch.
VLAN membership is irrelevant to the fundamental limitation that a vEthernet interface cannot serve as a SPAN destination on the Cisco Nexus 1000V.
Configuring a local SPAN session on a Cisco Nexus 1000V Series Switch requires the SPAN destination port to be a physical Ethernet interface on the VEM or a port profile that maps to one, not another vEthernet interface.
Concept tested: Cisco Nexus 1000V SPAN limitations
Source: https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus1000v/sw/4_2_1_s_1_1/span/configuration/guide/n1000v_span/n1000v_span_config.html
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