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Exam 400-101 topic 1 question 314 discussion

Actual exam question from Cisco's 400-101
Question #: 314
Topic #: 1
[All 400-101 Questions]

Which statement is true comparing L2TPv3 to EoMPLS?

  • A. L2TPv3 requires OSPF routing, whereas EoMPLS does not.
  • B. EoMPLS requires BGP routing, whereas L2TPv3 does not.
  • C. L2TPv3 carries L2 frames inside MPLS tagged packets, whereas EoMPLS carries L2 frames inside IPv4 packets.
  • D. L2TPv3 carries L2 frames inside IPv4 packets, whereas EoMPLS carries L2 frames inside MPLS packets.
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Suggested Answer: D 🗳️
Ethernet-over-MPLS (EoMPLS) provides a tunneling mechanism for Ethernet traffic through an MPLS-enabled L3 core and encapsulates Ethernet protocol data units (PDUs) inside MPLS packets (using label stacking) to forward them across the MPLS network.
Another technology that more or less achieves the result of AToM is L2TPV3. In the case of L2TPV3 Layer 2 frames are encapsulated into an IP packet instead of a labelled MPLS packet.
Reference: http://www.cisco.com/c/en/us/td/docs/routers/asr9000/software/asr9k_r4- 3/lxvpn/configuration/guide/lesc43xbook/lesc43p2ps.html
"Pass Any Exam. Any Time." - www.actualtests.com 313
by kidschannel1988 at April 3, 2025, 6:29 p.m.

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