Assume that a VXLAN tunnel is monitored on a Huawei CE series switch and that...

On Huawei CloudEngine (CE) series switches, VXLAN tunnel monitoring and troubleshooting involve specific commands to diagnose issues such as tunnel Down status or failed dynamic establishment. Let’s evaluate each option:

A. Run the display vxlan statistics command to check the cause of the fault:This command provides statistics on VXLAN tunnel traffic, including packet drops, encapsulation/decapsulation counts, and errors. It helps identify issues like misconfiguration or network congestion, making it a valid troubleshooting tool.TRUE.

B. Run the display vxlan peer command to check the cause of the fault on the peer device of the tunnel:This command displays information about VXLAN peers, including their IP addresses, VNIs, and reachability status. Checking the peer device’s status can reveal connectivity or configuration mismatches, aiding fault diagnosis.TRUE.

C. Run the display vxlan troubleshooting command to check the causes of at most the latest five failures to dynamically establish a VXLAN tunnel:This command logs and displays troubleshooting details, including the latest five failure reasons for dynamic tunnel setup (e.g., BGP EVPN issues or reachability problems). This is a standard feature on Huawei CE switches.TRUE.

D. Run the display vxlan troubleshooting command to check at most the latest five reasons why a VXLAN tunnel goes Down:This command also tracks reasons for tunnel Down events (e.g., underlay failure, peer unreachability), limited to the latest five incidents. This is consistent with Huawei’s troubleshooting capabilities.TRUE.

All optionsA, B, C, and Dare true, as they represent valid commands and approaches to troubleshoot VXLAN tunnel issues on Huawei CE switches.References:Huawei CloudEngine Series Switch Command Reference – VXLAN Commands; HCIP-Data Center Network Training – Troubleshooting VXLAN.