Question

Assume that it is possible to obtain a copy of all frames that travel across an Ethernet. How do you know whether a given frame is MPLS? If you encounter an MPLS frame, how can you determine the size of the MPLS header? 

   Assume that it is possible to obtain a copy of all frames that travel across an Ethernet. How do you know whether a given frame is MPLS? If you encounter an MPLS frame, how can you determine the size of the MPLS header?
Internetworking with TCP/IP: Pearson New International Edition
Internetworking with TCP/IP: Pearson New International Edition
Douglas E. Comer 6th Edition
Chapter 16, Problem 9 ↓

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An MPLS frame will have an Ethernet type field value of 0x8847 or 0x8848.  Show more…

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Assume that it is possible to obtain a copy of all frames that travel across an Ethernet. How do you know whether a given frame is MPLS? If you encounter an MPLS frame, how can you determine the size of the MPLS header?
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