作业帮show ip routeR 192.168.255.16 [120/2] via 192.168.255.21,00:00:22,Serial0/0R 192.168.255.16 [120/2] via 192.168.255.21,00:00:22,FastEthernet0/0
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![show ip routeR 192.168.255.16 [120/2] via 192.168.255.21,00:00:22,Serial0/0R 192.168.255.16 [120/2] via 192.168.255.21,00:00:22,FastEthernet0/0](/uploads/image/z/7639597-37-7.jpg?t=show+ip+routeR+192.168.255.16+%5B120%2F2%5D+via+192.168.255.21%2C00%3A00%3A22%2CSerial0%2F0R+192.168.255.16+%5B120%2F2%5D+via+192.168.255.21%2C00%3A00%3A22%2CFastEthernet0%2F0)
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show ip routeR 192.168.255.16 [120/2] via 192.168.255.21,00:00:22,Serial0/0R 192.168.255.16 [120/2] via 192.168.255.21,00:00:22,FastEthernet0/0
show ip route
R 192.168.255.16 [120/2] via 192.168.255.21,00:00:22,Serial0/0
R 192.168.255.16 [120/2] via 192.168.255.21,00:00:22,FastEthernet0/0
show ip routeR 192.168.255.16 [120/2] via 192.168.255.21,00:00:22,Serial0/0R 192.168.255.16 [120/2] via 192.168.255.21,00:00:22,FastEthernet0/0
R代表rip协议,192.168.255.16代表目标地址,120代表管理距离,2代表花费值,192.168.255.21,代表下一跳地址,00：00：22表示更新时间是22秒之前,Serial0/0（串口）和FASTETHERNET0/0（快速以太网口）表示数据包的出接口.
不同路由协议的管理距离不同,当目的路由一致时,优选管理距离小的.当同一种路由协议中的目的地址一致时,优先选择花费值小的.
这2条路由除了出接口不一样外,其余都一样.是否是同一路由表中路由?我个人感觉不是.