组网要求：hostA hostB hostC 分别与Device的端口g1/0/1,g1/0/2,g1/0/3相连，Device通过g1/0/4与外部网络相连，现要求hostA hostB hostC 三者之间不能相互通信，但可与外部网络通信。 配置步骤如下： 1.创建隔离组2 <Device>system-view [Device]port-isolate group 2
2.将端口g1/0/1,g1/0/2,g1/0/3加入隔离组2中 [Device]int g1/0/1 [Device-Gigab it Ethernet1/0/1]port-isolate enable group 2 [Device-Gigab it Ethernet1/0/1]quit [Device]int g1/0/2 [Device-Gigab it Ethernet1/0/2]port-isolate enable group 2 [Device-Gigab it Ethernet1/0/2]quit [Device]int g1/0/3 [Device-Gigab it Ethernet1/0/3]port-isolate enable group 2 [Device-Gigab it Ethernet1/0/3]quit
验证配置： 1.显示隔离组2中的信息 [Device]display port-isolate group 2 Port-isolation group information : Group ID:2 Group members: G1/0/1 G1/0/2 G1/0/3
