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CharlesX
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03-19-2026
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回复: 【原创】路由选路时选择了静态路由而不是直连路由,为什么呢?
03-16-2026
因为思科路由表的选路原则是最长匹配原则。/23 优于 /20 路由,因此它会出现在路由表中且优于/20 路由。 你的第二个实验,当你试图ping 200.24.24.9 的时候,router38 有路由去往200.24.16.0/20. 他会把下一条200.24.16.1 的mac 地址写进转发表。就是说如果你去200.24.24.9的话,把数据包扔到200.24.16.1 这个mac上去。希望你能明白我的解释。
回复: IOS XE 16.9.5升級17.9.5a會影響現有C1111-8二手設備已啟動的Permanent授權嗎
03-16-2026
不会影响。permanent 授权是写进机器里的。而且 smart license 还是可选项 不是强制的。
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