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Ruijie#config terminal

Ruijie(config)#spanning-tree global state enable         ------>¿ªÆôSTPÐÒ飬ĬÈÏΪRSTPÐÒé

Ruijie(config)#spanning-tree mode mstp   ------>ÅäÖÃΪMSTPģʽ

Ruijie(config)#spanning-tree mst configuration   ------>½øÈëʵÀýÅäÖÃ

Ruijie(config-mst)#name ruijie       ------>ʵÀýÃû£¬ËùÓн»»»»úÅäÖñØÐèÒ»ÖÂ

Ruijie(config-mst)#instance 1 vlan 1  ----->ʵÀý»®·Ö£¬ËùÓн»»»»úÅäÖÃÒ»ÖÂ

Ruijie(config-mst)#instance 2 vlan 2   ----->ʵÀý»®·Ö£¬ËùÓн»»»»úÅäÖÃÒ»ÖÂ

Ruijie(config-mst)#exit

Ruijie(config)#spanning-tree mst 1 priority 0   ----->ÅäÖÃʵÀýÓÅÏȼ¶£¬SW1ΪʵÀý1µÄ¸ù£¬ÊµÀý0ȱʡ´æÔÚ£¬Î´·ÖÅäµÄVLANĬÈ϶¼ÔÚʵÀý0

SW2ÅäÖÃ

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Ruijie#config terminal

Ruijie(config)#spanning-tree global state enable         ------>¿ªÆôSTPÐÒ飬ĬÈÏΪRSTPÐÒé

Ruijie(config)#spanning-tree mode mstp   ------>ÅäÖÃΪMSTPģʽ

Ruijie(config)#spanning-tree mst configuration   ------>½øÈëʵÀýÅäÖÃ

Ruijie(config-mst)#name ruijie       ------>ʵÀýÃû£¬ËùÓн»»»»úÅäÖñØÐèÒ»ÖÂ

Ruijie(config-mst)#instance 1 vlan 1  ----->ʵÀý»®·Ö£¬ËùÓн»»»»úÅäÖÃÒ»ÖÂ

Ruijie(config-mst)#instance 2 vlan 2   ----->ʵÀý»®·Ö£¬ËùÓн»»»»úÅäÖÃÒ»ÖÂ

Ruijie(config-mst)#exit

Ruijie(config)#interface gi0/1

Ruijie(config-if-GiagaEthernet 0/1)#spanning-tree cost 200000    ------>ǧÕ׿ÚĬÈÏcostΪ20000

Ruijie(config-if-GiagaEthernet 0/1)#exit

SW3ÅäÖÃ

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Ruijie#config terminal

Ruijie(config)#spanning-tree global state enable         ------>¿ªÆôSTPÐÒ飬ĬÈÏΪRSTPÐÒé

Ruijie(config)#spanning-tree mode mstp   ------>ÅäÖÃΪMSTPģʽ

Ruijie(config)#spanning-tree mst configuration   ------>½øÈëʵÀýÅäÖÃ

Ruijie(config-mst)#name ruijie       ------>ʵÀýÃû£¬ËùÓн»»»»úÅäÖñØÐèÒ»ÖÂ

Ruijie(config-mst)#instance 1 vlan 1  ----->ʵÀý»®·Ö£¬ËùÓн»»»»úÅäÖÃÒ»ÖÂ

Ruijie(config-mst)#instance 2 vlan 2   ----->ʵÀý»®·Ö£¬ËùÓн»»»»úÅäÖÃÒ»ÖÂ

Ruijie(config-mst)#exit

Ruijie(config)#interface gi0/1

Ruijie(config-if-GiagaEthernet 0/1)#spanning-tree cost 200000    ------>ǧÕ׿ÚĬÈÏcostΪ20000

Ruijie(config-if-GiagaEthernet 0/1)#exit

SW4ÅäÖÃ

Ruijie#config terminal

Ruijie(config)#spanning-tree global state enable         ------>¿ªÆôSTPÐÒ飬ĬÈÏΪRSTPÐÒé

Ruijie(config)#spanning-tree mode mstp   ------>ÅäÖÃΪMSTPģʽ

Ruijie(config)#spanning-tree mst configuration   ------>½øÈëʵÀýÅäÖÃ

Ruijie(config-mst)#name ruijie       ------>ʵÀýÃû£¬ËùÓн»»»»úÅäÖñØÐèÒ»ÖÂ

Ruijie(config-mst)#instance 1 vlan 1  ----->ʵÀý»®·Ö£¬ËùÓн»»»»úÅäÖÃÒ»ÖÂ

Ruijie(config-mst)#instance 2 vlan 2   ----->ʵÀý»®·Ö£¬ËùÓн»»»»úÅäÖÃÒ»ÖÂ

Ruijie(config-mst)#exit

Ruijie(config)#spanning-tree mst 2 priority 0   ----->ÅäÖÃʵÀýÓÅÏȼ¶£¬SW4ΪʵÀý2µÄ¸ù£¬ÊµÀý0ȱʡ´æÔÚ£¬Î´·ÖÅäµÄVLANĬÈ϶¼ÔÚʵÀý0

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Ruijie(config)#sh spanning-tree summary

 Spanning tree: Enabled,protocol: MSTP

 Number of MST instances: 3

 MST00  vlans mapped : 5-4094

  Root ID     Priority     0

              Address      5869.6C01.DC96

              this bridge is root

              Hello Time 2 sec, Max Age 20 sec, Forward Delay 15 sec

  Bridge  ID  Priority 0     

              Address      5869.6C01.DC96

              Hello Time 2 sec, Max Age 20 sec, Forward Delay 15 sec

  Interface      Role       Sts        Cost       Prio    OperEdge  Type

  ---------      ---------- ---------- ---------- ------- --------- ----

  Gi0/1          designated    forwarding 20000      128     network      p2p   

  Gi0/2          designated   forwarding 20000      128     network      p2p     

 MST01  vlans mapped : 1,3-4

  Region Root Priority     1

              Address      5869.6C01.DC96     ------>ʵÀý1¸ùÇÅMACµØÖ·

              this bridge is region root

  Bridge ID   Priority     1

              Address      5869.6C01.DC96   ------>ʵÀý1±¾µØMACµØÖ·

  Interface      Role       Sts        Cost       Prio    OperEdge  Type

  ---------      ---------- ---------- ---------- ------- --------- ----

 ---------------- ---- --- ---------- -------- ----- ---------------

  Gi0/1          designated    forwarding 20000      128     network      p2p   

  Gi0/2          designated    forwarding 20000      128     network      p2p   

 MST02  vlans mapped : 2

  Region Root Priority     32770

              Address      5869.6C01.DC96

              this bridge is region root

  Bridge ID   Priority     32770

              Address      5869.6C01.FEFE

  Interface      Role       Sts        Cost       Prio    OperEdge  Type

  ---------      ---------- ---------- ---------- ------- --------- ----

  ---------------- ---- --- ---------- -------- ----- ---------------

  Gi0/1          root    forwarding 20000      128     network      p2p   

  Gi0/2          designated    forwarding 20000      128     network      p2p   

SW4ΪʵÀý2¸ùÇÅ£º

Ruijie(config)#sh spanning-tree summary

 Spanning tree: Enabled,protocol: MSTP

 Number of MST instances: 3

 MST00  vlans mapped : 5-4094

  Root ID     Priority     0

              Address      5869.6C01.DC96

              this bridge is root

              Hello Time 2 sec, Max Age 20 sec, Forward Delay 15 sec

  Bridge  ID  Priority 0     

              Address      5869.6C01.FEFE

              Hello Time 2 sec, Max Age 20 sec, Forward Delay 15 sec

  Interface      Role       Sts        Cost       Prio    OperEdge  Type

  ---------      ---------- ---------- ---------- ------- --------- ----

  Gi0/1          designated    forwarding 20000      128     network      p2p   

  Gi0/2          designated   forwarding 20000      128     network      p2p     

 MST01  vlans mapped : 1,3-4

  Region Root Priority     1

              Address      5869.6C01.DC96     

              this bridge is region root

  Bridge ID   Priority     1

              Address      5869.6C01.FEFE

  Interface      Role       Sts        Cost       Prio    OperEdge  Type

  ---------      ---------- ---------- ---------- ------- --------- ----

 ---------------- ---- --- ---------- -------- ----- ---------------

  Gi0/1          root    forwarding 20000      128     network      p2p   

  Gi0/2          designated    forwarding 20000      128     network      p2p

 MST02  vlans mapped : 2

  Region Root Priority     32770

              Address      5869.6C01.FEFE------>ʵÀý2¸ùÇÅMACµØÖ·

              this bridge is region root

  Bridge ID   Priority     32770

              Address      5869.6C01.FEFE------>ʵÀý2±¾µØMACµØÖ·

  Interface      Role       Sts        Cost       Prio    OperEdge  Type

  ---------      ---------- ---------- ---------- ------- --------- ----

  ---------------- ---- --- ---------- -------- ----- ---------------

  Gi0/1          designated    forwarding 20000      128     network      p2p   

  Gi0/2          designated    forwarding 20000      128     network      p2p