1.核心和接入A為trunk 2.接入A和接入BCD均爲access 3.核心的配置int vlan 1 ip add 10.66.0.1/24int vlan 400ip add 10.66.2.1/244.Cisco原有接入A的配置:vlan 400(no ip address)int vlan 1 IP address 10.66.0.4/24ip default gateway 10.66.0.1下聯BCD的端口為sw mode accsw acc vlan 4005.Cisco原有接入...