Spanning Tree Algorithm Configuration
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3

CLI – This displays STA settings for instance 1, followed by settings for each port.

CLI – This example sets the priority for MSTI 1, and adds VLANs 1-5 to this MSTI.

Console#show spanning-tree mst 1 4-168
Spanning-tree information
---------------------------------------------------------------
Spanning tree mode :MSTP
Spanning tree enable/disable :enable
Instance :1
Vlans configuration :1-5
Priority :32768
Bridge Hello Time (sec.) :2
Bridge Max Age (sec.) :20
Bridge Forward Delay (sec.) :15
Root Hello Time (sec.) :2
Root Max Age (sec.) :20
Root Forward Delay (sec.) :15
Max hops :20
Remaining hops :20
Designated Root :4096.2.0000E9313131
Current root port :0
Current root cost :0
Number of topology changes :0
Last topology changes time (sec.):646
Transmission limit :3
Path Cost Method :long
---------------------------------------------------------------
Eth 1/ 7 information
---------------------------------------------------------------
Admin status : enable
Role : disable
State : discarding
External path cost : 10000
Internal path cost : 10000
Priority : 128
Designated cost : 0
Designated port : 128.7
Designated root : 4096.2.0000E9313131
Designated bridge : 4096.2.0000E9313131
Fast forwarding : enable
Forward transitions : 0
Admin edge port : enable
Oper edge port : enable
Admin Link type : auto
Oper Link type : point-to-point
Spanning Tree Status : enable
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Console(config)#spanning-tree mst configuration 4-157
Console(config-mst)#mst 1 priority 4096 4-159
Console(config-mstp)#mst 1 vlan 1-5 4-158
Console(config-mst)#