【29-30】在路由器R2上采用命令(29)得到如下所示结果。 R2> ... R 192.168.1.0/24[120/1]via 212.107.112.1,00:00:11,Serial2/0 C 192.168.2.0/24 is directly connected,FastEthernet0/0 212.107.112.0/30 is subnetted,1 subnets C 212.107.112.0 is directly connected,Serial2/0 R2> 其中标志“R”表明这条路由是(30)。