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Cisco SD-WAN · ViptelaIntermediate

Cisco SD-WAN (Viptela)

Zero control connections and a healthy WAN link. Read the error the controllers sent back, live, right below.

Interactive simSD-WANAutomationRouting

Symptom

Stand up the vManage/vSmart/vBond control plane and bring a WAN edge under management over a live overlay.

Your mission

Inspect, recover, then verify

Format

Cisco SD-WAN CLI

Start interactive labSee the investigation plan ↓Need a hint? Reveal the root cause ↓
SD-WAN: The WAN Edge vBond Refused

Investigate before you configure.

Use the CLI evidence to isolate the fault, make the smallest safe correction, then verify the network state changed.

Observe the symptom and link state.

Diagnose by comparing the protocol evidence.

Verify the expected device state and confirm the original symptom is resolved.

Console access: vEdge

This workspace stacks for portrait phones. Rotate to landscape for the full split-screen console.

Need a hint?

Reveal the root cause when you're ready.

Try the investigation first, then use this as your escape hatch, not a dead end.

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Lab debrief

Turn the session into a repeatable troubleshooting pattern.

Use this reference after your attempt: first explain the symptom, then verify the evidence, then confirm the repair.

The problem

A CSR1000v WAN edge looks powered on and configured, but it won't come up in vManage: its control connections to the SD-WAN control plane never establish.

What you'll practice

  • Bring a CSR1000v WAN edge under vManage control
  • Verify control connections and certificate status between vBond, vSmart and vManage
  • Read live site, tunnel and device health from SD-WAN Manager
  • Inspect TLOC and BFD session state for a WAN edge
  • Diagnose a WAN edge that fails to reach the control plane

The topology

A vManage/vSmart/vBond control-plane cluster oversees a CSR1000v WAN edge, which reaches the transport network over a biz-internet link, the same validator/controller/manager split and edge onboarding flow used in a real Cisco SD-WAN deployment.

Commands to run yourself

The real diagnostic commands for this lab, copy-paste ready. Run these in the same order to reproduce the investigation on your own session.

Current control connections
show control connections
Why the attempts failed
show control connections-history
What this device presents
show control local-properties

Topology diagram

Lab canvas showing a Cisco SD-WAN topology with vManage, vSmart and vBond controllers reaching a WAN edge over a biz-internet transport

Inside a real session

More genuine captures from this lab running on the platform, at full size so the console text stays readable.

Cisco Catalyst SD-WAN Manager monitoring dashboard
Catalyst SD-WAN Manager, reachable from the browser in your session. Control components, certificate status and site health are live against the running lab.
Catalyst SD-WAN Manager device inventory listing a CSR1000v WAN edge
The device inventory: a CSR1000v WAN edge with control connections up and BFD/TLOC state visible.

Fact-checked references

The commands and behaviour in this lab were checked against these primary references.

Frequently asked

Do I need my own vManage/vSmart/vBond licenses?

No. The full control-plane cluster is already deployed and licensed. You work on bringing edges under management, not standing up controllers.

Is this the same Cisco SD-WAN Manager UI used in production?

Yes. This is the real Catalyst SD-WAN Manager, not a mockup, so device inventory, tunnel health and certificate status behave exactly as they would on production controllers.

Ready to run this lab yourself?

No setup, no image sourcing. Book a session or ask for a live demo.

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