rapid-pvst Per-Vlan rapid spanning tree mode 生成树: Port ID : 端口优先级(默认128)+端口ID BID: 优先级+MAC地址(MAC不改变) 1、SW2成为VLNA1的主根,VLAN10的备份,SW1成为VLAN10的主,VLAN1的备份 SW2(config)#spanning-tree vlan 10 root secondary SW2(config)#spanning-tree vlan 1 roo primary SW...
spanning-tree mst configuration instance 0 vlan 1-99, 101-199, 201-4094 instance 10 vlan 100 instance 20 vlan 200 以下说法正确的是 A. vlan 100的根网桥是SW2 , vlan200的根网桥是SW3 B. vlan 100的根网桥是SW3,vlan 200 的根网桥是SW2 C. 以上说法都不对 ...
对于RSTP（802.1W），思科采用per-vlan RSTP配置，简化了VLAN特定的RSTP配置。同样，MSTP（802.1S）允许基于VLAN实例的生成树配置，通过Switch(config)#spanning-tree mode mst命令启用MSTP模式，并通过Switch(config)#spanning-tree mst configuration命令进入MST配置模式。这些命令和特性旨在确保网络的稳定性...
SW1(config)#spanning-tree mst configuration //进入 MSTP 配置模式 SW1(config-mst)#name CCIE //设置域名 SW1(config-mst)#revision 1 //设置修订级别,默认是 0, SW1(config-mst)#instance 1000 vlan 1-5 //进程创建范围 0-4094, 1-5关联进程 1000 SW1(config-mst)#instance 2000 vlan 6-10 //...
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I tried to understand a spanning tree setting on an old switch so that I can move it to a new switch. The configuration on the old switch is as below: spanning-tree mode mstspanning-tree extend system-id!spanning-tree mst configurationname BACKBONErevision 1! spanning-tree mst 0-1,8 pri...
spanning-tree mst hello-time Command Objective This command configures the spanning tree hello time. The no form of this command resets the hello time to its default value. The hello time represents the time interval (in seconds) between two successive configuration BPDUs genera...
Refer to the show spanning-tree mst configuration output shown in the exhibit. What should be changed in the configuration of the switch SW_2 in order for it to participate in the same MST region? () SW...
spanning-tree mst configuration name ENCOR instance 1 vlan 2-99 instance 2 vlan 100-199 ! spanning-tree mst 1 priority 0 spanning-tree mst 2 priority 4096 ! Switch2 ! spanning-tree mode mst spanning-tree mst configuration name ENCOR instance 1 vlan 2-99 instance 2 vlan 100-199 ! spanning...
The Internal Spanning Tree (IST), which is a special MST instance with an instance ID 0. By default, all the VLANs are mapped to IST.CSTThe Common Spanning Tree (CST), that is the spanning tree connecting all MST regions. As is shown in Figure 1-3, region1-region 4 are connected ...