Quick Answer
The answer is the 'show bgp l2vpn evpn summary' command, along with 'show nve peers' and 'show nve vni', as these three commands provide the essential verification of EVPN operation on Nexus 9000 switches. The 'show bgp l2vpn evpn summary' command is correct because it directly displays the BGP session status for the L2VPN address family, which serves as the control plane protocol for VXLAN EVPN, showing neighbor states, prefixes received, and route table statistics that indicate whether EVPN route exchange is operational. On the Cisco DCCOR 350-601 exam, this question tests your ability to isolate control plane versus data plane issues in a VXLAN fabric; a common trap is to focus only on 'show nve peers' for tunnel status while overlooking BGP session health. Remember the memory tip: "BGP for routes, NVE for tunnels, VNI for mappings" — these three commands cover the full EVPN verification triad.
This 350-601 practice question tests your understanding of network. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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.
When troubleshooting a VXLAN EVPN fabric with Cisco Nexus 9000 switches, which three commands provide information about the EVPN operation? (Choose three.)
show bgp l2vpn evpn summary.
Shows BGP EVPN session status.
show l2route mac all.
Shows MAC routes learned via EVPN.
show running-config interface nve1.
Why wrong: Shows configuration, not operational status.
show nve peers.
Shows NVE peer status.
show ip interface brief.
Why wrong: Shows IP interfaces, not EVPN-specific.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
show bgp l2vpn evpn summary.
The 'show bgp l2vpn evpn summary' command is correct because it displays the BGP session status for the L2VPN address family, which is the control plane protocol for VXLAN EVPN. This command shows neighbor states, prefixes received, and route table statistics, directly indicating whether EVPN route exchange is operational.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
show bgp l2vpn evpn summary.
Why this is correct
Shows BGP EVPN session status.
Related concept
Read the scenario before looking for a memorised answer.
show l2route mac all.
Why this is correct
Shows MAC routes learned via EVPN.
Related concept
Read the scenario before looking for a memorised answer.
show running-config interface nve1.
Why it's wrong here
Shows configuration, not operational status.
show nve peers.
Why this is correct
Shows NVE peer status.
Related concept
Read the scenario before looking for a memorised answer.
show ip interface brief.
Why it's wrong here
Shows IP interfaces, not EVPN-specific.
Common exam traps
Cisco often tests the distinction between configuration commands (like 'show running-config interface nve1') and operational verification commands (like 'show nve peers'), leading candidates to mistakenly select configuration-only outputs as evidence of EVPN operation.
Trap categories for this question
Command / output trap
Shows configuration, not operational status.
Detailed technical explanation
EVPN uses BGP as the control plane to distribute Type-2 (MAC/IP advertisement) and Type-3 (Inclusive Multicast) routes over the L2VPN address family. The 'show bgp l2vpn evpn summary' command is essential for verifying BGP peering with the Route Reflector or spine, while 'show l2route mac all' reveals the local MAC table learned via EVPN, and 'show nve peers' confirms the state of remote VTEPs (NVE peers) that form the VXLAN tunnel endpoints.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A network engineer at a university connects two campus buildings via a fibre link. Both routers run OSPF, but no adjacency forms — even though both routers can ping each other. The engineer finds one router is in area 0 and the other in area 1. OSPF adjacency requires matching area numbers, hello/dead timers, and network type. IP reachability alone is not enough.
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FAQ
Network — This question tests Network — Read the scenario before looking for a memorised answer..
The correct answer is: show bgp l2vpn evpn summary. — The 'show bgp l2vpn evpn summary' command is correct because it displays the BGP session status for the L2VPN address family, which is the control plane protocol for VXLAN EVPN. This command shows neighbor states, prefixes received, and route table statistics, directly indicating whether EVPN route exchange is operational.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 24, 2026
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