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网络设计时应充分考虑到备份,设计成双出口双路由,正常情况下备用链路上的流量应该很低,但实际维护网络过程中发现备用链路平时存在较大流量,为完善网络路由结构,尽量达到路由的合理化,降低备用中继带宽,对IP网存在的路由问题进行分析,详细检查配置及模拟网络路由现状,找到出现此问题的原因,通过调整设备上network与ip access-list extended参数解决此问题,此方法实施后备用链路流量降下来,达到预期的结果。
Network design should take full account of the backup, dual-outlet dual-outlet design, under normal circumstances, the backup link should be very low traffic, but the actual maintenance of the network found that there is usually a larger standby link flow, in order to improve the network routing structure , As far as possible to achieve the rationalization of routing, reducing the backup relay bandwidth, routing problems on the IP network analysis, a detailed examination of the configuration and simulation of network routing status, find out the reasons for this problem, by adjusting the device network and ip access-list extended Parameters to solve this problem, this method is implemented after the standby link traffic down to achieve the desired results.