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300-410 Practice Question: Which THREE symptoms indicate a misconfigured…
Which THREE symptoms indicate a misconfigured RSPAN session on a Cisco switch? (Choose THREE.)
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 RSPAN VLAN is not allowed on the trunk between the source and destination switches.
RSPAN requires a dedicated VLAN (RSPAN VLAN) that is trunked across the network. If the RSPAN VLAN is not allowed on the trunk, traffic fails to reach the destination. If the destination switch does not have the RSPAN VLAN configured, the session cannot receive traffic. A missing 'monitor session' command on the source switch means no traffic is being captured. A native VLAN mismatch does not specifically affect RSPAN, and a routing protocol issue is not directly related to Layer 2 RSPAN.
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 RSPAN VLAN is not allowed on the trunk between the source and destination switches.
Why this is correct
The RSPAN VLAN must be permitted on all trunk links in the path for traffic to traverse.
- ✓
The destination switch does not have the RSPAN VLAN created.
Why this is correct
The destination switch must have the RSPAN VLAN defined to receive the monitored traffic.
- ✓
The source switch is missing the 'monitor session 1 source' command.
Why this is correct
Without a source defined, no traffic is captured for the RSPAN session.
- ✗
The native VLAN mismatch on the trunk link.
Why it's wrong here
Native VLAN mismatch causes CDP errors but does not directly prevent RSPAN traffic in the RSPAN VLAN.
- ✗
The routing protocol is not redistributing the RSPAN VLAN.
Why it's wrong here
RSPAN operates at Layer 2; routing protocols do not affect it.
Visual reference
Quick reference
Routing Protocol Comparison
| Protocol | Metric | Max Hops | Algorithm | Type |
|---|---|---|---|---|
| RIP v2 | Hop count | 15 | Bellman-Ford | Distance vector |
| OSPF | Cost (bandwidth) | Unlimited | Dijkstra (SPF) | Link state |
| EIGRP | Composite metric | Unlimited | DUAL | Hybrid |
| IS-IS | Cost | Unlimited | Dijkstra | Link state |
| BGP | Policy / attributes | Unlimited | Path vector | Path vector |
RIP's 15-hop limit makes it unsuitable for large networks. OSPF and EIGRP dominate modern enterprise deployments.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 300-410 practice question is part of Courseiva's free Cisco certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 300-410 exam.