Contents
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Catalyst 3750-E and 3560-E Switch Software Configuration Guide
OL-9775-08
Stack Member Priority Values 5-8
Switch Stack Offline Configuration 5-8
Effects of Adding a Provisioned Switch to a Switch Stack 5-8
Effects of Replacing a Provisioned Switch in a Switch Stack 5-10
Effects of Removing a Provisioned Switch from a Switch Stack 5-10
Hardware Compatibility and SDM Mismatch Mode in Switch Stacks 5-10
Switch Stack Software Compatibility Recommendations 5-11
Stack Protocol Version Compatibility 5-11
Major Version Number Incompatibility Among Switches 5-11
Minor Version Number Incompatibility Among Switches 5-11
Understanding Auto-Upgrade and Auto-Advise 5-12
Auto-Upgrade and Auto-Advise Example Messages 5-13
Incompatible Software and Stack Member Image Upgrades 5-15
Switch Stack Configuration Files 5-15
Additional Considerations for System-Wide Configuration on Switch Stacks 5-16
Switch Stack Management Connectivity 5-16
Connectivity to the Switch Stack Through an IP Address 5-17
Connectivity to the Switch Stack Through an SSH Session 5-17
Connectivity to the Switch Stack Through Console Ports or Ethernet Management Ports 5-17
Connectivity to Specific Stack Members 5-18
Switch Stack Configuration Scenarios 5-18
Configuring the Switch Stack 5-20
Default Switch Stack Configuration 5-20
Enabling Persistent MAC Address 5-20
Assigning Stack Member Information 5-22
Assigning a Stack Member Number 5-22
Setting the Stack Member Priority Value 5-23
Provisioning a New Member for a Switch Stack 5-23
Accessing the CLI of a Specific Stack Member 5-25
Displaying Switch Stack Information 5-25
Troubleshooting Stacks 5-25
Manually Disabling a Stack Port 5-26
Re-Enabling a Stack Port While Another Member Starts 5-26
Understanding the show switch stack-ports summary Output 5-27
Identifying Loopback Problems 5-28
Software Loopback 5-28
Software Loopback Example: No Connected Stack Cable 5-29
Software Loopback Examples: Connected Stack Cables 5-29
Hardware Loopback 5-30
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