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假装网络工程师20——MPLS动态LSP介绍-兔样兔森破

 3 years ago
source link: https://blog.51cto.com/arkling/2538179
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一、背景介绍之前介绍静态LSP在小规模的场景下可以进行手动配置,当网络规模变大时,静态LSP的配置就变得复杂,他需要为每一个FEC创建label,手工配置的静态LSP就不符合当前场景。类似于IGP的ospf,rip等协议的路由表,MPLS在控制面也需要一个协议来构建标签表,此处用到的协议就是ldp(labeldistributeprotocol)。当控制面的标签表构建完成后,在实际转发时路由器看的

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