路由减少了一跳

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bjut 核心减少一跳

这几天终于把几年以前就一直想做的一个调整做完了。调整之前的网络结构是上面的图,调整后的结果是下面的图。以前FWSM与核心之间采用单独的vlan通信,也就是说所有的流量都必须在核心上做3层转发才能到达防火墙;调整之后的网络各个分核心与FWSM都可以2层直接连接,这样其他分核心的流量经过核心设备只需2层转发,可以节省核心的路由处理器资源,靠硬件即可转发。

改变之后的效果是核心设备的cpu负载下降了20%-30%,转发延迟减少了几个毫秒。 

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This page contains a single entry by Kang published on September 25, 2007 3:09 PM.

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