H31-161 · Question #107
Exhibit: As shown in the figure, virtual private LAN service (VPLS) is enabled on routers PE 1 and PE 2.CEs are connected to PEs through QinQ and PC A and PC B are connected to the two CEs. The two…
The correct answer is A. PE 1 receives packets with a VLAN tag from CE 1 and adds a VLAN tag to these packets. B. If the penultimate hop popping (PHP) feature of MPLS is enabled on PEs, a packet received by PE C. PE 1 add two MPLS labels to a packet before sending the packet to a router. See the full explanation below for the reasoning.
Question
Exhibit:
As shown in the figure, virtual private LAN service (VPLS) is enabled on routers PE 1 and PE 2.CEs are connected to PEs through QinQ and PC A and PC B are connected to the two CEs. The two PCs belong to the same VPN and can communicate with each other properly. Which of the following statements about the communication process when you ping PC B from PC A are true?
Exhibit
Options
- APE 1 receives packets with a VLAN tag from CE 1 and adds a VLAN tag to these packets.
- BIf the penultimate hop popping (PHP) feature of MPLS is enabled on PEs, a packet received by PE
- CPE 1 add two MPLS labels to a packet before sending the packet to a router.
- DA packet received by CE 2 from PE 2 has two VLAN tags CE 2 removed the outer tab and
How the community answered
(47 responses)- A83% (39)
- D17% (8)
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