E20-390 · Question #302
You are creating an Ethernet channel that spans two or more switches. Which feature must be supported by the switches?
The correct answer is A. Cross stack. Cross stack can span an EtherChannel across two switches. All of the links of the EtherChannel will be active at any time. So if you configured an EtherChannel using four ports on a blade and connected two ports to each of two switches configured for cross stack, your traffic…
Question
You are creating an Ethernet channel that spans two or more switches. Which feature must be supported by the switches?
Options
- ACross stack
- BNone; Ethernet channel cannot span switches
- CFast port
- DSpanning tree
How the community answered
(40 responses)- A70% (28)
- B10% (4)
- C3% (1)
- D18% (7)
Explanation
Cross stack can span an EtherChannel across two switches. All of the links of the EtherChannel will be active at any time. So if you configured an EtherChannel using four ports on a blade and connected two ports to each of two switches configured for cross stack, your traffic would be flowing across all 4 ports.
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