实验需求：实现思科交换机、华为交换机、锐捷交换机多厂商融合技术
实现VPC4和VPC5之间的通讯
配置如下
CISCO-SW1enableconfigure terminalhostname Cisco-SWno ip cefusername glab privilege 15 password 0 admin123vlan 10vlan 20vlan 28interface Vlan28 ip address 28.9.4.201 255.255.255.0 no shutinterface Vlan10 ip address 10.1.1.254 255.255.255.0 no shutinterface Vlan20 ip address 20.1.1.253 255.255.255.0 no shutline vty 0 4 login local transport input allspanning-tree mode mstspanning-tree mst configuration name glab instance 1 vlan 10 instance 2 vlan 20spanning-tree mst 1 priority 24576spanning-tree mst 2 priority 28672int ran eth 0/0 - 1switchport trunk encapsulation dot1qswitchport mode trunkno shutdownendwrHuaWei-SWsys imsysname HUAWEI-SWundo ip frrvlan batch 10 20 28stp mode mstpstp region-configuration region-name glab instance 1 vlan 10 instance 2 vlan 20quitstp instance 1 root secondarystp instance 2 root primarystp enableyinterface GE1/0/0 undo shutdown port link-type trunk port trunk allow-pass vlan allinterface GE1/0/1 undo shutdown port link-type trunk port trunk allow-pass vlan alluser-interface vty 0 4 authentication-mode password user privilege level 3 set authentication password cipher admin123 protocol inbound telnetinterface Vlanif10 ip address 10.1.1.253 255.255.255.0 undo shutinterface Vlanif20 ip address 20.1.1.254 255.255.255.0 undo shutinterface Vlanif28 ip address 28.9.4.202 255.255.255.0 undo shutquitquitsaveyRuiJie-SW1enableconfigure terminalhostname RuiJie-SWusername glab privilege 15 password 0 admin123vlan 10vlan 20vlan 28interface Vlan28 ip address 28.9.4.203 255.255.255.0 no shutline vty 0 4 login local transport input allspanning-treespanning-tree mode mstspanning-tree mst configuration name glab instance 1 vlan 10 instance 2 vlan 20int range gigabitEthernet 0/0 - 1swi mode trunkno shutinterface GigabitEthernet 0/2 swi mode acc switchport access vlan 10 spanning-tree portfastinterface GigabitEthernet 0/3 swi mode acc switchport access vlan 20 spanning-tree portfastendwr