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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.