5. segment routing protection concept (TI-LFA)

Traffic engineering and Protection (fast reroute) are the main advantages of both MPLS and segment routing networks. but both features are simpler and more understandable and more automatic in segment routing network to implement compared to MPLS network. with traffic engineering, we control the path of incoming traffic at the edge of the network, which is the topic of the next videos. With Protection, if a link or node in the network fails, traffic are rerouted to another path in less than 50ms which is the Topic of this video and also the next video. In this Video the theory of protection is discussed and in the next video the implementation and troubleshooting is shown.

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2. preparing segment routing laboratory

In this video I want to show how the laboratory is prepared for the “segment routing” course. “segment routing” scenarios can be implemented with ios-xe using the csr-100v virtual machine and also with ios-xr using the ios-xrv virtual machine. At best, it is recommended to use a mixture of ios-xr and ios-xe for practicing “segment routing”. But it is not the case for this course. In order not to change the focus from the concept to the configuration, and also because some features only support on ios-xr, in this course I will only use ios-xrv for most scenarios. So here I am going to show you how you can use ios-xrv to prepare your own laboratory.

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