MPLS

Traffic Engineering is one of the most important routing lessons. With traffic engineering, as a network engineer you are directing your network traffic according to some constraints. By directing the 
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If the total IGP cost to a destination are same for two path, these paths are called Equal Cost Multi Path. Normally if there are two path that have same 
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After LDP session establishment, labels are distributed from the Tail-End router to the Head-End router for each prefix. This process occurs at the opposite direction of the data plane. At 
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LDP (Label Distribution Protocol) is one of the two label exchange protocols of MPLS. The other is RSVP (Resource Reservation Protocol). And there is also one more, Cisco specific protocol, 
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Prerequisites and Configuring RSVP-TE – Configure IGP. – Enable MPLS context. – Enable RSVP context. – Configure interfaces for MPLS ( automatically RSVP). Let’s check these step sone by one. 
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