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Cisco Catalyst SD-WAN: Getting started guide

This guide walks you through the core steps required to get your network up and running, from initial onboarding to operational best practices.

  • Networking
  • Catalyst SD-WAN
  • Guide

Overlay verification and routing resilience

Validate WAN Edge control plane operational status and device synchronization (In-Sync state)

Check Catalyst SD-WAN Manager dashboard to ensure all onboarded WAN Edge routers achieve active status, operational control connections to SD-WAN Controller/Validator, UP interface states, and In-Sync configuration status.

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Summarized on September 30, 2026

To validate WAN Edge control plane operational status, navigate to Device Details > Control Connections or Troubleshooting > Control Connections (Live View) within the Cisco SD-WAN Manager. These interfaces allow you to confirm whether a device has successfully established control-plane connections with controller devices. [1]

To verify active control connections, you can use the CLI command show sdwan control connections on each WAN Edge router. The output displays each peer's type, protocol, system IP, and the STATE column, which should show "up" for all controller connections. Data plane connectivity can be confirmed via the CLI command show sdwan bfd sessions (where the session state should also be "up"), or by viewing real-time Tunnel and TLOC health under the Device Details > WAN tab in the GUI. [2]

For configuration synchronization, verify the status in the Device Status column on the Configuration > WAN Edges screen. To review audit history, navigate to Monitor > Logs > Audit Logs, and for alarms such as Template Rollback events, check the Monitor > Logs > Alarms interface. For configuration inspection, utilize the Deployment Preview (Diff) prior to pushing changes. For live inspection, navigate to Configuration > WAN Edges > ... > Configuration > Running Configuration. [1]

Sources

  1. Cisco SD-WAN vManage Help - Monitor [Support]
  2. Configure SD-WAN Edge Router for Inline Deployment
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