2024-08-21 19:45:33 +08:00
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# MSTP
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### 一、配置
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- **SW1**
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```
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<Huawei>u t m
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<Huawei>sy
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[Huawei]sy SW1
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[SW1]vlan batch 10 20
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[SW1]port-group 1
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[SW1-port-group-1]group-member g0/0/1 g0/0/2
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[SW1-port-group-1]port link-type trunk
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[SW1-port-group-1]port trunk allow-pass vlan 10 20
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[SW1-port-group-1]quit
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[SW1]stp mode mstp
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[SW1]stp region-configuration
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[SW1-mst-region]region-name ntd
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[SW1-mst-region]instance 1 vlan 10
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[SW1-mst-region]instance 2 vlan 20
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[SW1-mst-region]active region-configuration
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[SW1]stp instance 1 priority 4096
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[SW1]quit
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<SW1>save
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```
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- **SW2**
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```
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<Huawei>u t m
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<Huawei>sy
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[Huawei]sy SW2
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[SW2]vlan batch 10 20
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[SW2]port-group 1
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[SW2-port-group-1]group-member g0/0/1 g0/0/2
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[SW2-port-group-1]port link-type trunk
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[SW1-port-group-1]port trunk allow-pass vlan 10 20
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[SW2-port-group-1]quit
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[SW2]stp mode mstp
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[SW2]stp region-configuration
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[SW2-mst-region]region-name ntd
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[SW2-mst-region]instance 1 vlan 10
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[SW2-mst-region]instance 2 vlan 20
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[SW2-mst-region]active region-configuration
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[SW2-mst-region]quit
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[SW2]stp instance 2 priority 4096
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[SW2]quit
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<SW2>save
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```
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- **SW3**
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```
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<Huawei>u t m
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<Huawei>sy
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[Huawei]sy SW3
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[SW3]vlan batch 10 20
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[SW3]int g0/0/1
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[SW3-GigabitEthernet0/0/1]port link-type access
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[SW3-GigabitEthernet0/0/1]port default vlan 10
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[SW3-GigabitEthernet0/0/1]int g0/0/2
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[SW3-GigabitEthernet0/0/2]port link-type access
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[SW3-GigabitEthernet0/0/2]port default vlan 20
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[SW3-GigabitEthernet0/0/2]quit
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[SW3]port-group 1
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[SW3-port-group-1]group-member g0/0/3 g0/0/4
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[SW3-port-group-1]port link-type trunk
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2024-08-22 11:41:48 +08:00
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[SW3-port-group-1]port trunk allow-pass vlan 10 20
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2024-08-21 19:45:33 +08:00
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[SW3-port-group-1]quit
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[SW3]stp mode mstp
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[SW3]stp region-configuration
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[SW3-mst-region]region-name ntd
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[SW3-mst-region]instance 1 vlan 10
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[SW3-mst-region]instance 2 vlan 20
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[SW3-mst-region]active region-configuration
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[SW3-mst-region]quit
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[SW3]quit
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<SW3>save
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```
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### 二、测试
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- **SW1**
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```
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<SW1>dis stp ins 1 b
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MSTID Port Role STP State Protection
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1 GigabitEthernet0/0/1 DESI FORWARDING NONE
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1 GigabitEthernet0/0/2 DESI FORWARDING NONE
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<SW1>dis stp ins 2 b
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MSTID Port Role STP State Protection
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2 GigabitEthernet0/0/1 ALTE DISCARDING NONE
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2 GigabitEthernet0/0/2 ROOT FORWARDING NONE
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```
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- **SW2**
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```
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<SW2>dis stp ins 1 b
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MSTID Port Role STP State Protection
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1 GigabitEthernet0/0/1 ALTE DISCARDING NONE
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1 GigabitEthernet0/0/2 ROOT FORWARDING NONE
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<SW2>dis stp ins 2 b
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MSTID Port Role STP State Protection
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2 GigabitEthernet0/0/1 DESI FORWARDING NONE
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2 GigabitEthernet0/0/2 DESI FORWARDING NONE
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```
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- **SW3**
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```
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<SW3>dis stp ins 1 b
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MSTID Port Role STP State Protection
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1 GigabitEthernet0/0/1 DESI FORWARDING NONE
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1 GigabitEthernet0/0/3 ROOT FORWARDING NONE
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1 GigabitEthernet0/0/4 DESI FORWARDING NONE
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<SW3>dis stp ins 2 b
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MSTID Port Role STP State Protection
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2 GigabitEthernet0/0/2 DESI FORWARDING NONE
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2 GigabitEthernet0/0/3 DESI FORWARDING NONE
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2 GigabitEthernet0/0/4 ROOT FORWARDING NONE
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```
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