图22.3特定主机方法与特定网络方法 Routing table for host S based on host-specific method Destination Next hop Routing table for host S based A R1 on network-specific method 6 R1 R1 Destination Next hop D R1 N2 R1 N1 N2 R1 22.622.6 图 22.3 特定主机方法与特定网络方法