其中某设备路由表信息如下:
u3000u3000Route Flags: R - relay, D - download to fib
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Routing Tables: Public
Destinations : 6 Routes : 6
Destination/Mask Proto Pre Cost Flags NextHop Interface
192.168.1.0/24 Direct 0 0 D 127.0.0.1 FastEthernet0/0
192.168.3.0/24 RIP 100 1 D 192.168.65.2 Serial2/0
192.168.5.0/24 RIP 100 2 D 192.168.65.2 Serial2/0
192.168.65.0 Direct 0 0 D 127.0.0.1 Serial2/0
192.168.67.0/24 Direct 0 0 D 127.0.0.1 Serial3/0
192.168.69.0/24 RIP 100 1 D 192.168.65.2 Serial2/0
则该设备为 (在此空作答) ,从该设备到PC1经历的路径为 ( ) 。路由器R2接口S2可能的IP地址为 ( ) 。