350-601 Storage Network Practice Question
Exhibit
Refer to the exhibit. <config> interface fc1/1 switchport mode E switchport speed 16000 no shutdown </config>
Refer to the exhibit. The interface fc1/1 is configured as an E_port. The connected switch also has an E_port configured. However, the interface shows an 'init' state. What is the most likely cause?
⚠ Common exam trap
Cisco often tests the distinction between 'init' and 'isolated' states, where candidates mistakenly attribute VSAN mismatch or domain ID issues to 'init', but the correct cause is often a speed mismatch or incompatible port parameters during ELP negotiation.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The speed on the remote switch interface is set to 8000 Mbps.
The 'init' state on an E_port indicates that the link is up but the port is still initializing the Exchange Link Parameters (ELP) and Exchange Switch Capabilities (ESC) protocols. If the remote switch interface speed is set to 8000 Mbps (8 Gbps) while the local interface is configured for a different speed (e.g., 4 Gbps or 16 Gbps), the speed negotiation will fail, preventing the E_port from transitioning to the 'online' state. Cisco MDS switches require matching speed settings on both ends of an E_port for successful initialization.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The domain ID is not configured on either switch.
Why it's wrong here
Domain IDs are assigned automatically or manually but are not required for E_port to come up.
- ✓
The speed on the remote switch interface is set to 8000 Mbps.
Why this is correct
E_ports require matching speed settings to establish a link.
- ✗
The port VSAN on the local interface is different from the remote.
Why it's wrong here
ISLs can carry multiple VSANs; VSAN mismatch does not prevent E_port initialization.
- ✗
The remote switch interface is not configured as a trunk.
Why it's wrong here
Trunk mode is not required for E_port; E_port is a type of trunk port.
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