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mstp

mstp

Syntax


                        
                           mstp  {
                                                disable;
                           
                                                bpdu-block-on-edge;
                           
                                                bridge-priority                     priority;
                           
                                                configuration-name                     name;
                           
                                                forward-delay                     seconds;
                           
                                                hello-time                     seconds;
                           
                           
                              
                                                          interface ( all | interface-name  {
                                 
                                 
                                    
                                                                    bpdu-timeout-action {
                                       
                                                                    block;
                                       
                                                                    alarm;
                                       
                                       }
                                    
                                 
                                                          disable;
                                 
                                                          cost                         cost;
                                 
                                                          edge;
                                 
                                                          mode                         mode;
                                 
                                                          no-root-port;
                                 
                                                          priority                         priority;
                                 
                                 }
                              
                           
                                                max-age                     seconds;
                           
                                                max-hops                     hops;
                           
                           
                              
                                                          msti                         msti-id {
                                 
                                                          vlan (vlan-id | vlan-name);
                                 
                                 
                                    
                                                                    interface                             interface-name {
                                       
                                                                    disable;
                                       
                                                                    cost                             cost;
                                       
                                                                    priority                             priority;
                                       
                                       }
                                    
                                 
                                 }
                              
                           
                           
                              
                                                          traceoptions {
                                 
                                 file filename <files number > <size size> <no-stamp
                                    | world-readable | no-world-readable>;
                                 
                                 flag flag;
                                 
                                 }
                              
                           
                                                revision-level                     revision-level;
                           
                           }

Hierarchy Level


                        
                           [edit protocols]

Release Information

Statement introduced in JUNOS Release 9.0 for EX-series switches.

Description

Configure Multiple Spanning Tree Protocol (MSTP). MSTP is defined in the IEEE 802.1Q-2003 specification and is used to create a loop-free topology in networks with multiple spanning tree regions.

The statements are explained separately.

Default

MSTP is disabled.

Required Privilege Level

routing—To view this statement in the configuration.
routing-control—To add this statement to the configuration.