A.204.27.4.128-204.37.4.158 B.204.27.4.129-204.37.4.159 C.204.27.4.128-204.37.4.159 D.204.27.4.129-204.37.4.158
A.192.168.0.0/21 B.192.168.1.0/22 C.192.168.0.0 255.255.255.248 D.192.168.0.0 255.255.252.0
A.no auto-summary B.auto-summary C.version 2 D.ip address 192.168.1.1 255.255.255.0
A.是空表 B.有直连路由条目 C.有静态路由条目 D.有动态路由条目
