How to configure stp on Ruijie Switch?

1. Networking topology:



2. Configuration points:

1)Enable the spanning tree function

2)Create different instances

3)Configure the priority for the instance

3. Configuration procedure:

Note: Before configuration, you are advised to run the Ruijie#show interface status command to check the interface name. The common interface names are FastEthernet (Gigabit), GigabitEthernet(Gigabit), and TenGigabitEthernet(Gigabit). The following configurations use Gigabit interfaces as an example.

Core switch A configuration:

Ruijie>enable //Enter privileged mode

Ruijie#configure terminal //Enter global configuration mode

Ruijie(config)#vlan 10 //create vlan 10, 20, 30 and 40

Ruijie(config-vlan)#vlan 20

Ruijie(config-vlan)#vlan 30

Ruijie(config-vlan)#vlan 40

Ruijie(config-vlan)#exit

Ruijie(config)#spanning-tree //enable spanning tree, default mode is mst

Ruijie(config)#spanning-tree mst configuration //configure mst

Ruijie(config-mst)# instance 1 vlan 10, 20 //vlan 10 and 20 use instance (instance) 1

Ruijie(config-mst)# instance 2 vlan 30, 40 //vlan 30 and 40 use instance (instance) 2

Ruijie(config-mst)#spanning-tree mst 1 priority 4096 //instance (instance) 1 has a priority of 4096, the smaller the priority the higher the priority, the default priority is 32768

Ruijie(config-mst)#exit

Ruijie(config)#interface FastEthernet 0/1

Ruijie(config-if-FastEthernet 0/1)#switch mode trunk

Ruijie(config)#interface FastEthernet 0/2

Ruijie(config-if-FastEthernet 0/2)#switch mode trunk

Core switch B configuration:

Ruijie>enable //enter privileged mode

Ruijie#configure terminal //Enter global configuration mode

Ruijie(config)#vlan 10 //create vlan 10, 20, 30 and 40

Ruijie(config-vlan)#vlan 20

Ruijie(config-vlan)#vlan 30

Ruijie(config-vlan)#vlan 40

Ruijie(config-vlan)#exit

Ruijie(config)#spanning-tree

Ruijie(config)#spanning-tree mst configuration

Ruijie(config-mst)# instance 1 vlan 10, 20

Ruijie(config-mst)# instance 2 vlan 30, 40

Ruijie(config-mst)# spanning-tree mst 2 priority 4096

Ruijie(configmst)#exit

Ruijie(config)#interface FastEthernet 0/1

Ruijie(config-if-FastEthernet 0/1)#switch mode trunk //configure the first 100-gigabit interface of the switch as trunk

Ruijie(config)#interface FastEthernet 0/2

Ruijie(config-if-FastEthernet 0/2)#switch mode trunk //Configure the second 100-gigabit interface of the switch as trunk

Accessing the switch configuration:

Ruijie>enable

Ruijie#configure terminal

Ruijie(config)#vlan 10 //create vlan 10, 20, 30 and 40

Ruijie(config-vlan)#vlan 20

Ruijie(config-vlan)#vlan 30

Ruijie(config-vlan)#vlan 40

Ruijie(config-vlan)#exit

Ruijie(config)#spanning-tree

Ruijie(config)#spanning-tree mst configuration

Ruijie(config-mst)# instance 1 vlan 10, 20

Ruijie(config-mst)# instance 2 vlan 30, 40

Ruijie(config-mst)#exit

Ruijie(config)#interface FastEthernet 0/1

Ruijie(config-if-FastEthernet 0/1)#switch mode trunk

Ruijie(config)#interface FastEthernet 0/2

Ruijie(config-if-FastEthernet 0/2)#switch mode trunk

Save the configuration

Ruijie(config)#end

Ruijie#write //Confirm the correct configuration and save the configuration

4. Configuration verification:

1）Ruijie#show spanning-tree summary

Spanning tree enabled protocol mstp

MST 0 vlans map : 1-9, 11-19, 21-29, 31-39, 41-4094   

  Root ID    Priority    32768                             

             Address     001a.a976.9d0a            

             this bridge is root                     

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

  Bridge ID  Priority    32768                                    

             Address     001a.a979.bc44

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

Interface        Role           Sts          Cost        Prio              Type     OperEdge

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

Fa0/24           Root          FWD       200000     128               P2p          False         

Fa0/10            Altn           BLK        200000      128              P2p           False

MST 1 vlans map : 10, 20

  Region Root Priority   4096

             Address     001a.a979.bc44

             This bridge is region root

  Bridge ID  Priority    4096

             Address     001a.a979.bc44


Interface        Role Sts    Cost       Prio     Type  OperEdge

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

Fa0/24           Desg FWD 200000     128      P2p   False         

Fa0/10           Desg FWD 200000     128      P2p   False         

MST 2 vlans map : 30, 40

  Region Root Priority   4096

             Address     001a.a979.b880

             This bridge is region root

  Bridge ID  Priority    32768

             Address     001a.a979.bc44

Interface        Role Sts Cost       Prio     Type  OperEdge

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

Fa0/24           Altn BLK 200000     128      P2p   False         

Fa0/10           Root FWD 200000     128      P2p   False      

2)Ruijie#show spanning-tree mst 1

MST 1 vlans mapped : 10, 20

BridgeAddr : 001a.a979.bc44

Priority: 4096

TimeSinceTopologyChange : 0d:0h:0m:56s

TopologyChanges : 9

DesignatedRoot : 1001.001a.a979.bc44

RootCost : 0

RootPort : 0