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当网络启用了路由协议,网络便具有了能够自动更新路由表的强大功能。但是使用象RIP/RIP2、OSPF或IGRP/EIGRP等一些主要的内部网关协议(Interior Gateway Protocol,IGP)都有一定的协定。内部网关协议首先适合于在那些只有单个管理员负责网络操作和运行的地方;否则,将会出现配置错误导致网络性能降低或是导致网络运行不稳定的情况。对于由许多管理员共同分担责任的网络,如Internet,则考虑使用EGP协议(Interior Gateway Protocol,外部网关协议),如BGP4。
When the network is enabled with routing protocols, the network has the power to automatically update routing tables. However, some major Interior Gateway Protocols (IGPs) such as RIP / RIP2, OSPF, or IGRP / EIGRP have some agreement. The internal gateway protocol is best suited for those where only a single administrator is responsible for network operation and operation; otherwise, there may be situations where configuration errors result in degraded network performance or cause the network to run erratically. For networks shared responsibility by many administrators, such as the Internet, consider using the Interior Gateway Protocol (EGP), such as BGP4.