- 
        To create or delete an ERPS (Ethernet Ring Protection Switching)
          ring, use the following commands:
        
          
            create erps ring-name
            
           
            delete erps ring-name
            
           
 
- 
        To add or delete a control VLAN on the ERPS ring, use the
          following commands:
        
          
                        configure erps ring-name add control {vlan} vlan_name 
                     
                        configure erps ring-name delete control {vlan} vlan_name 
                     
 
- 
        To add or delete a protected VLAN on the ERPS ring, use
          the following commands:
        
          
                        configure erps ring-name add protected {vlan} vlan_name   
                        configure erps ring-name delete protected {vlan} vlan_name 
                     
 
- 
        To add ring ports on the ERPS ring (this ring's ports connect the switch to the ERPS
          ring), use the following command:
        configure erps ring-name
                ring-ports [east | west] port
             
- 
        To add ring ports on the ERPS ring, use the following
          command:
        
                    configure
          erps ring-name ring-ports [east | west] port 
                 
- 
        To delete ring ports on the ERPS ring, use the following
          command:
        
                    unconfigure
          erps ring-name ring-ports west 
                 
- 
        To add or delete RPL (ring protection link) owner
          configuration for the ERPS ring, use the following commands:
        
          
                        configure erps ring-name protection-port port 
                     
                        unconfigure erps ring-name protection-port 
                     
 
- 
        To add or delete RPL (ring protection link) neighbor
          configuration for the ERPS ring, use the following commands:
        
           configure erps ring-name neighbor-port port 
                      unconfigure erps ring-name neighbor-port   
 
- 
        To add or delete ERPS revert operation along with the
          wait-to-restore time interval, use the following commands:
        
                    configure
          {erps} ring-name revert [ enable | disable ]
                 
- 
        To configure the periodic timer, use the following
          command:
        configure
          {erps} ring-name timer periodic [ default | milliseconds ] 
- 
        To configure the guard timer, use the following
          command:
        configure
          {erps} ring-name timer guard [ default | milliseconds ] 
- 
        To configure the hold-off timer, use the following
          command:
        configure
          {erps} ring-name timer hold-off [ default | milliseconds ] 
- 
        To configure the wait-to-restore timer, use the following
          command:
        configure
          {erps} ring-name timer wait-to-restore [ default | milliseconds ] 
- 
        To rename the ERPS ring/sub-ring, use the following
          command:
        configure
          erps old-ring-name name new-ring-name  
- 
        To enable or disable ERPS, use the following
          commands:
        
      
- 
        To enable or disable an existing ERPS ring/sub-ring, , use
          the following command:
        
           enable erps ring-name   disable erps ring-name  
 
- 
        Run or clear force and manual switch triggers to the
ERPS ring/sub-ring.
        configure
          erps ring-name dynamic-state [force-switch | manual-switch | clear] port slot:port   
- 
        To display global information for ERPS, use the following
          command:
        show erps 
- 
        To display specific details about an ERPS ring, use the
          following command:
        show erps
          ring-name  
- 
        To display ERPS statistics, use the following
          command:
        show erps
          ring-name statistics  
- 
        To clear statistics on an ERPS ring, use the following
          command:
        clear
          counters erps ring-name  
- 
        To debug ERPS, use the following commands:
        
          debug erps [options] debug erps show ring-name