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MPLS over GRE on NCS5500

9 8 月, 2019 No Comments »

For the artical, will summary how to mpls over gre on NCS5500, NCS5500 only enable decap mode of GRE(6.1.x support the feature), that feature will flexible terminal GRE session that from DC servers. Btw, in order to verify packets from the tester, will capture packets by ERSPAN on NCS55A1.

Topology

  • NCS55A1-2 learn eBGP route 200.1.0.0/24 from tester 5/2
  • Ony IPv4/IGP forwarding from Terster 5/1 -> 55A1-1 -> 55A1-2
  • Send traffics(GRE + EPE ) from tester 5/1, and terminate at NCS55A1-2, then forward to EPE link

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学习笔记, 常用资料, 网络技术 ,

GRE Tunnel 简单分析

10 6 月, 2010 No Comments »

最近接触了些GRE的问题。
开始弄比较晕，后来经过测试才发现原来是这么简单～呵呵
这篇日志主要记录了一些GRE的基本含义，后续我会试着IPsec和MPLS与GRE的结合。

拓扑:

R1-------R2------R3
 |                |
lo0              lo0
1.1.1.1          3.3.3.3

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CCIE SP, 学习笔记
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