若路由器显示的路由信息如下，则最后一行路由信息是怎样得到的______。 R3#show ip route Gateway of last resort is not set 192.168.0.0/24 is sconetted，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 192.168.5.0 [220/1]via 192.168.07.2，00:00:15，Serial2 R 192.168.3.0 [220/1] via 192.168.65.2，00:00:24，Serial0