O MPLS permite a um roteador comutar dados de um caminho...

#Questão 635392 - Engenharia de Redes, Geral, FCC, 2015, DPE/SP, Agente de Defensoria Pública

O MPLS permite a um roteador comutar dados de um caminho para outro. A estrutura de encapsulamento MPLS contém

  • 17/01/2021 às 05:24h
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    MPLS works by prefixing packets with an MPLS header, containing one or more labels. This is called a label stack. Each entry in the label stack contains four fields:

    *    A 20-bit label value. A label with the value of 1 represents the router alert label.
     *   a 3-bit Traffic Class field for QoS (quality of service) priority and ECN (Explicit Congestion Notification). Prior to 2009 this field was called EXP.[9]
     *  a 1-bit bottom of stack flag. If this is set, it signifies that the current label is the last in the stack.
     *   an 8-bit TTL (time to live) field.

    https://en.wikipedia.org/wiki/Multiprotocol_Label_Switching

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