实验6 快速生成树配置
一、【实验目的】
理解快速生成树协议RSTP的原理，掌握如何在交换机上配置快速生成树
二、【实验拓扑】
三、【实验步骤】
步骤1 配置两台交换机主机名和管理IP地址 Switch#configure terminal
L3-SW(config)#interface fastEthernet 0/1
L3-SW(config-if)#switchport mode trun
Command rejected: An interface whose trunk encapsulation is \"Auto\" can not be configured to \"trunk\" mode.
L3-SW(config-if)#switchport trunk encapsulation dot1q L3-SW(config-if)#switchport mode trunk L3-SW(config)#interface fastEthernet 0/2
L3-SW(config-if)#switchport trunk encapsulation dot1q L3-SW(config-if)#switchport mode trunk L2-SW(config)#interface vlan 1
L2-SW (config-if)#ip address 192.168.1.2 255.255.255.0 L2-SW (config-if)#exit
L2-SW (config)#interface range fastEthernet 0/1-2 L2-SW (config-if-range)#switchport mode trunk
步骤2 在两台交换机启用RSTP
L3-SW(config)#spanning-tree mode ?
pvst Per-Vlan spanning tree mode rapid-pvst Per-Vlan rapid spanning tree mode
1
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L3-SW(config)#spanning-tree mode rapid-pvst
L2-SW(config)#spanning-tree mode ?
pvst Per-Vlan spanning tree mode rapid-pvst Per-Vlan rapid spanning tree mode L2-SW(config)#spanning-tree mode rapid-pvst
四、【查看配置】
L2-SW#show running-config Building configuration...
Current configuration : 1045 bytes !
version 12.1
no service timestamps log datetime msec no service timestamps debug datetime msec no service password-encryption !
hostname L2-SW !
spanning-tree mode rapid-pvst !
interface FastEthernet0/1 switchport mode trunk !
interface FastEthernet0/2 switchport mode trunk !
interface FastEthernet0/3 !
interface FastEthernet0/4 !
interface FastEthernet0/5 !
interface FastEthernet0/6 !
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interface FastEthernet0/7 !
interface FastEthernet0/8 !
interface FastEthernet0/9 !
interface FastEthernet0/10 !
interface FastEthernet0/11 !
interface FastEthernet0/12 !
interface FastEthernet0/13 !
interface FastEthernet0/14 !
interface FastEthernet0/15 !
interface FastEthernet0/16 !
interface FastEthernet0/17 !
interface FastEthernet0/18 !
interface FastEthernet0/19 !
interface FastEthernet0/20 !
interface FastEthernet0/21 !
interface FastEthernet0/22 !
interface FastEthernet0/23 !
interface FastEthernet0/24 !
interface Vlan1
ip address 192.168.1.2 255.255.255.0 shutdown
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!
line con 0 !
line vty 0 4 login
line vty 5 15 login ! End
L3-SW#show running-config Building configuration...
Current configuration : 1207 bytes !
version 12.2
no service timestamps log datetime msec no service timestamps debug datetime msec no service password-encryption !
hostname L3-SW
!
spanning-tree mode rapid-pvst !
interface FastEthernet0/1
switchport trunk encapsulation dot1q switchport mode trunk !
interface FastEthernet0/2
switchport trunk encapsulation dot1q switchport mode trunk !
interface FastEthernet0/3 !
interface FastEthernet0/4 !
interface FastEthernet0/5
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!
interface FastEthernet0/6 !
interface FastEthernet0/7 !
interface FastEthernet0/8 !
interface FastEthernet0/9 !
interface FastEthernet0/10 !
interface FastEthernet0/11 !
interface FastEthernet0/12 !
interface FastEthernet0/13 !
interface FastEthernet0/14 !
interface FastEthernet0/15 !
interface FastEthernet0/16 !
interface FastEthernet0/17 !
interface FastEthernet0/18 !
interface FastEthernet0/19 !
interface FastEthernet0/20 !
interface FastEthernet0/21 !
interface FastEthernet0/22 !
interface FastEthernet0/23 !
interface FastEthernet0/24 !
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interface GigabitEthernet0/1 !
interface GigabitEthernet0/2 !
interface Vlan1
ip address 192.168.1.1 255.255.255.0 !
ip classless !
line con 0 line vty 0 4 login ! end
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