![]() ![]() Fixing Incompatible Cisco IOS Versions and Switch-Stack Protocol Versions.If a switch does not join a stack, look for incompatibilities between the stack master and member switches in relation to the Cisco IOS version, the license levels, and the configuration settings on the switches. Joining a Stack: Typical Sequence States and Rules Resolving Switch Compatibility Issues.Resolving StackWise Connection Problems.Connecting or disconnecting the StackWise cables when switches are powered on can cause switch reloads or temporary traffic loss in the active switches. Upgrading Catalyst 3750 and Catalyst 3750-E Switch Stacks Preventing Traffic Disruptionsīefore you connect a switch to or disconnect a switch from a stack, power it off.Resolving Version Mismatches and Copying Files.Problem: Stack Ring Is Not Operating at Full Bandwidth.Problem: Switch Does Not Join the Stack.Upgrading Catalyst 3750 and Catalyst 3750-E Switch Stacks Resolving Version Mismatches and Copying Files Using LEDs to Verify StackWise Link Connections Resolving Bandwidth Issues (Catalyst 3750 and Catalyst 3750-E Switches) Problem: Stack Ring Is Not Operating at Full Bandwidth Understanding Switch Hardware Priority and Stack Manager Version Reviewing How the Stack Master is Rebooted or Disconnected Reviewing How the Stack Master Is Elected and Port Numbers Are Assigned Joining a Stack: Typical Sequence States and Rules Resolving Software License Compatibility Issuesįixing SDM Template Configuration Incompatibilities (Catalyst 3750G-12S Switches)įixing Problems with StackWise Interfaces and Cables Troubleshooting Switch Stacks Table Of Contentsįixing Incompatible Cisco IOS Versions and Switch-Stack Protocol Versions
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