【60】若路由器的路由信息如下，则最后一行路由信息怎样得到的（60）。 R3#show ip route Gateway of last resort is not set 192.168.0.0/24 is subnetted,6 subnets C 192.168.1.0 is directly connected,Ethernet0 C 192.168.65.0 is directly connected,Serial0 C 192.168.67.0 is directly connected,Serial1 R 192.168.69.0[120/1]via 192.168.67.2,00:00:15,Serial1 [120/1]via 192.168.65.2,00:00:24,Serial0 R 192.168.69.0[120/1]via 192.168.67.2,00:00:15,Serial1 R 192.168.69.0[120/1]via 192.168.652,00:00:24,Serial0
