- A
Type 1
Why wrong: Ethernet Auto-Discovery.
- B
Type 3
Inclusive Multicast Ethernet Tag.
- C
Type 2
Why wrong: MAC/IP Advertisement.
- D
Type 5
Why wrong: IP Prefix.
Question 430 of 1,000
350-601 Network Practice Question
This 350-601 practice question tests your understanding of network. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
Which VXLAN EVPN route type is used for discovering VTEPs and building the BUM forwarding tree?
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
✓
Type 3
B is correct because VXLAN EVPN Route Type 3 (Inclusive Multicast Ethernet Tag Route) is specifically used to advertise the VXLAN tunnel endpoint (VTEP) IP addresses and the VNI (VXLAN Network Identifier) for BUM (Broadcast, Unknown unicast, Multicast) traffic. This route type enables the discovery of remote VTEPs and builds the multicast forwarding tree (either via ingress replication or PIM-based multicast) necessary for BUM traffic delivery in a VXLAN EVPN fabric.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Type 1
Why it's wrong here
Ethernet Auto-Discovery.
- ✓
Type 3
Why this is correct
Inclusive Multicast Ethernet Tag.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Type 2
Why it's wrong here
MAC/IP Advertisement.
- ✗
Type 5
Why it's wrong here
IP Prefix.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Cisco often tests the distinction between Route Type 2 (MAC/IP advertisement) and Route Type 3 (BUM tree), so the trap here is that candidates mistakenly associate MAC address learning (Type 2) with VTEP discovery, when in fact Type 3 is the dedicated route for building the BUM forwarding tree and discovering remote VTEPs for broadcast and unknown traffic.
Detailed technical explanation
How to think about this question
In VXLAN EVPN, Route Type 3 carries the originating VTEP's IP address (in the RD and the next-hop field) and the VNI, enabling all other VTEPs in the same VXLAN segment to learn the source for BUM traffic. When ingress replication is used (common in modern data centers), each VTEP builds a list of remote VTEPs from Type 3 routes and sends a copy of each BUM frame to every remote VTEP; this avoids the need for an underlying multicast protocol like PIM. The route type also includes a 'Tunnel Identifier' field that can carry the VTEP IP, and the 'Originating Router's IP Address' field is used for loop prevention.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A network engineer segments a warehouse floor into three subnets: 20 scanners, 5 printers, and 2 management hosts. Picking the wrong mask wastes addresses or leaves too few usable hosts. Exam questions test whether you can apply CIDR notation, calculate block size, and identify the correct usable-host range for a given prefix.
What to study next
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FAQ
Questions learners often ask
What does this 350-601 question test?
Network — This question tests Network — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Type 3 — B is correct because VXLAN EVPN Route Type 3 (Inclusive Multicast Ethernet Tag Route) is specifically used to advertise the VXLAN tunnel endpoint (VTEP) IP addresses and the VNI (VXLAN Network Identifier) for BUM (Broadcast, Unknown unicast, Multicast) traffic. This route type enables the discovery of remote VTEPs and builds the multicast forwarding tree (either via ingress replication or PIM-based multicast) necessary for BUM traffic delivery in a VXLAN EVPN fabric.
What should I do if I get this 350-601 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jul 4, 2026
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.
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