Traditional Stacking

• 1 Hitless Stacking
  • 1.1 Hitless Stacking Overview
  • 1.2 Hitless Stacking Behavior
  • 1.3 Supported Hitless Stacking Events
  • 1.4 Non-supported Hitless Stacking Events
  • 1.5 Supported Hitless Stacking Protocols and Services
  • 1.6 Hitless Stacking Configuration Notes and Feature Limitations
  • 1.7 What Happens During a Hitless Stacking Switchover or Failover
    • 1.7.1 Real-time Synchronization Among All Units in a Stack
  • 1.8 Standby Controller Role in Hitless Stacking
    • 1.8.1 Standby Controller Election
    • 1.8.2 Runtime Configuration Mismatch
  • 1.9 Support During Stack Formation, Stack Merge, and Stack Split
  • 1.10 Hitless Stacking Failover
    • 1.10.1 Enabling Hitless Stacking Failover
    • 1.10.2 Hitless Stacking Failover Example
  • 1.11 Hitless Stacking Switchover
    • 1.11.1 Executing a Hitless Stacking Switchover
    • 1.11.2 Hitless Stacking Switchover Examples
  • 1.12 Displaying Information About Hitless Stacking
    • 1.12.1 Displaying Information About Stack Failover
    • 1.12.2 Displaying Hitless Stacking Status
    • 1.12.3 Displaying Pending Device Roles
    • 1.12.4 Displaying Information About Link Synchronization Status
  • 1.13 Syslog Messages for Hitless Stacking Failover and Switchover