A network administrator is concerned about an Edge that may be approaching its documented limit for the number of simultaneous tunnels. The historical data showing the number of simultaneous tunnels…

Question

Options

• AConnect to the Edge CLI via SSH, and /opt/vc/bin/debug-py- tunnel_count
• BIn the Monitoring section for the Edge in question, navigate to the ''System'' tab.
• CIn the Remote Diagnostics section of the UI, run the ''Total Counts dump'' test.
• DUse the SNMP manage poll the vcelHealthObject tree in the VELOCLOUD-EDGE-MIB

• A
  13% (4)
• B
  3% (1)
• C
  6% (2)
• D
  77% (24)

Explanation

Option D is correct because SNMP is the standard protocol for collecting time-series metric data from network devices, and polling the vcelHealthObject tree in the VELOCLOUD-EDGE-MIB via an SNMP-integrated Network Management System (NMS) is what enables historical storage and trending of tunnel counts over time - exactly what capacity planning requires.

Option A (SSH CLI) returns only a real-time snapshot of the current tunnel count; CLI commands have no built-in historical logging capability. Option B (Monitoring > System tab in the Orchestrator UI) may show recent stats or current status, but it does not provide a time-series historical record suitable for trend analysis. Option C (Remote Diagnostics > Total Counts dump) is a live troubleshooting tool that captures current counters at the moment of execution, not a data store for historical trends.

Memory tip: Think of SNMP as the "historian" of networking - it's the mechanism that feeds NMS platforms like PRTG, SolarWinds, or LibreNMS, which record and graph metrics over time. If the question asks for historical or trending data on a network device, SNMP + MIB is almost always the answer.

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