Refer to the exhibit • useOSPF • have established an MPLS domain. • use LDP. • have
established a Martini Layer 2 VPN between Sites 1 and 2 VPN traffic is using the link
between PE-1 and P-4, and this link fails. What happens to the VPN traffic?
A.
It fails over to the link between PE-1 and P-5 only //administrators created a backup
virtual circuit (VC) from PE-1 to
B.
It fails over to the link between PE-1 and P-5 only if administrators created two virtual
circuits (VCs) between PE-1
C.
and PE-2.
D.
It fails over to the link between PE-1 and P-5. The failover is automatically handled by
MPLS. LDP, and OSPF
E.
It is disrupted for this particular site-to-site connection until the link is fixed
Hi
any one can help ?
any one know the right answer ?
thanks
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answer B
any one can confirm ?
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CORRECT IS B
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Answer is D, It fails over to the link between PE-1 and P-5. The failover is automatically handled by MPLS. LDP, and OSPF
As per student guide:
MPLS LSVPN Architecture Martini-Architecture PE-PE communication:
-Any failure on a link in the backbone will be handle by basic MPLS/OSPF/LDP
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D
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