Managing Primary and Backup Ports

The following topics are discussed:

• Passport 4400 Global Circuit Manager (GCM)
• GCM Default Configurations
• Node Types
• Procedures for Configuring a Node Type
• Passport 4400 Backup Options
• Customizing the GCM
• GCM Configuration Examples
• Link Switching
• Modifying GCM Switching Delay, Switching Type, and Timer Status Settings
• Monitoring the GCM

The following procedures are described:

• Configurator Procedure to Determine Which GCM Unit is Active
• CLI Procedure to Determine Which GCM Unit is Active
• Configurator Procedure for Regional Node Configuration
• CLI Procedure for Regional Node Configuration
• Configurator Procedure for Central Node Configuration
• CLI Procedure for Central Node Configuration
• Adding a Backup Netlink
• Defining GCM Links
• Defining Primary and Backup Netlinks
• Configurator Procedure for Modifying GCM Switching Settings
• CLI Procedure for Modifying GCM Switching and Timer Status Settings
• CLI Procedure for Monitoring the GCM