路由器常用命令列表及cisco型号大全192.168.1.100R1PC1 192.168.1.1PC2 192.168.1.2PC3 192.168.1.3192.168.2.100R2PC1 192.168.2.1PC2 192.168.2.2PC3 192.168.2.3192.168.3.100R3PC1 192.168.3.1PC2 192.168.3.2PC3 192.168.3