【正文】 ee mode pvst加入到vlan 40interface FastEthernet0/1 switchport access vlan 40 switchport mode accessinterface FastEthernet0/24 switchport mode trunk在2950T24 switch7二層交換機(jī)中配置：spanningtree mode pvst加入到vlan 90interface FastEthernet0/1 switchport access vlan 90 switchport mode accessinterface FastEthernet0/4 switchport mode trunkinterface FastEthernet0/24 switchport mode trunk在2950T24 switch8二層交換機(jī)中配置：spanningtree mode pvst加入到vlan 90interface FastEthernet0/1 switchport access vlan 90 switchport mode accessinterface FastEthernet0/24 switchport mode trunk在2950T24 switch9二層交換機(jī)中配置：spanningtree mode pvst加入到vlan 100interface FastEthernet0/1 switchport access vlan 100 switchport mode accessinterface FastEthernet0/5 switchport mode trunkinterface FastEthernet0/24 switchport mode trunk在2950T24 switch10二層交換機(jī)中配置：spanningtree mode pvst加入到vlan 100interface FastEthernet0/1 switchport access vlan 100 switchport mode accessinterface FastEthernet0/24 switchport mode trunk在2950T24 switch11二層交換機(jī)中配置：開啟生成樹協(xié)議spanningtree mode pvst加入到vlan 80interface FastEthernet0/1 switchport access vlan 80 switchport mode accessinterface FastEthernet0/2 switchport access vlan 80 switchport mode accessinterface FastEthernet0/3 switchport access vlan 80 switchport mode accessinterface FastEthernet0/6 switchport mode trunk3560交換機(jī)上電（兩個(gè)電源模塊均需上電），啟動(dòng)進(jìn)入配置模式：配置端口模式開啟生成樹協(xié)議spanningtree mode pvstinterface FastEthernet0/1 switchport trunk encapsulation dot1q switchport mode trunkinterface FastEthernet0/2 switchport trunk encapsulation dot1q switchport mode trunkinterface FastEthernet0/3 switchport trunk encapsulation dot1q switchport mode trunkinterface FastEthernet0/4 switchport trunk encapsulation dot1q switchport mode trunkinterface FastEthernet0/5 switchport trunk encapsulation dot1q switchport mode trunkinterface FastEthernet0/6 switchport trunk encapsulation dot1q switchport mode trunkinterface FastEthernet0/7 switchport trunk encapsulation dot1q switchport mode trunk配置 vlan ip地址interface Vlan10 ip address ip helperaddress interface Vlan20 ip address ip helperaddress interface Vlan30 ip address ip helperaddress interface Vlan40 ip address ip helperaddress interface Vlan50 ip address ip helperaddress ip accessgroup 110 ininterface Vlan60 ip address ip helperaddress ip accessgroup 100 in