350-601 Network Practice Question
An engineer is configuring VXLAN bridging and routing on a Cisco Nexus 9000 switch. Which configuration is required to enable inter-VNI routing?
⚠ Common exam trap
Cisco often tests the misconception that simply enabling IP routing or associating an SVI to a VRF is sufficient for inter-VNI routing, when in fact the anycast gateway MAC is the mandatory configuration that enables the distributed gateway functionality.
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
✓
Configure anycast gateway MAC.
Inter-VNI routing requires a shared anycast gateway MAC address across all VTEPs in the same VXLAN fabric. This allows the switch to respond to ARP requests for the gateway IP and forward traffic between different VNIs without relying on a traditional routed interface. The anycast gateway MAC is configured under the VLAN interface (SVI) using the 'fabric forwarding anycast-gateway-mac' command.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Configure a VLAN interface under the bridge domain.
Why it's wrong here
A VLAN interface (SVI) is needed, but not sufficient alone.
- ✗
Enable ip routing under VRF.
Why it's wrong here
Needed, but does not address VNI routing specifically.
- ✓
Configure anycast gateway MAC.
Why this is correct
Provides a common gateway MAC across all leaf switches, enabling seamless routing between VNIs.
- ✗
Configure a VRF and associate the VLAN interface to it.
Why it's wrong here
VRF is needed for tenant separation, but not the key for inter-VNI routing.
Visual reference
Quick reference
Access Control Model Comparison
| Model | Acronym | Who Controls Access? | Best For |
|---|---|---|---|
| Discretionary Access Control | DAC | Resource owner | Small teams, file shares |
| Mandatory Access Control | MAC | System / security labels | Classified govt / military |
| Role-Based Access Control | RBAC | Administrator (via roles) | Enterprise environments |
| Attribute-Based Access Control | ABAC | Policy engine (user + resource attributes) | Fine-grained, dynamic policies |
| Rule-Based Access Control | RuBAC | System rules / ACLs | Firewall rules, network ACLs |
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 350-601 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 350-601 exam.