Q6. Which one of the following statements is true about SPAN/RSPAN?
A. You cannot configure SPAN sessions on disabled ports
B. A switch does not support a combination of local SPAN and RSPAN in a single session.
C. You cannot run both a local SPAN and an RSPAN source session in the same switch stack.
D. Sources can be ports or VLANs, and you can mix source ports and source VLANs in the same session.
E. The source port (monitored port) can be a destination port.
Correct Answer: B
Explanation:
Given below are some of the important characteristics of SPAN/RSPAN:
1. You can configure SPAN sessions on disabled ports
2. The switch does not support a combination of local SPAN and RSPAN in a single session.
3. You can run both a local SPAN and an RSPAN source session in the same switch stack.
4. Sources can be ports or VLANs, but you cannot mix source ports and source VLANs in the same session.
5. The monitored port cannot be a destination port. In otherwords, a destination port cannot be monitored.
6. You can monitor multiple source ports in a single session.
7. Source port can be an access port, trunk port, or voice VLAN port.
8. If a destination port belongs to a source VLAN, it is excluded from the source list and is not monitored.
9. You can monitor only Ethernet VLANs.
10. The destination port does not participate in any of the Layer 2 protocols (STP, VTP, CDP, DTP, PagP).
11. The destination port can participate in only one SPAN session at a time (a destination port in one SPAN session cannot be a destination port for a second SPAN session).
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