要求:基于192.168.1.0/24进行合理划分,要求全网通 [AR3]display ip interface brief [AR3]display ip routing-table [AR1]display ip interface brief [AR1]display ip routing-table [AR2]display ip interface brief [AR2]display ip routing-table [AR4]display ip interface brief [AR4]display ip routing-table PC>ping 192.168.1.162 PC>ping 192.168.1.1