350-501 · Question #509
Refer to the exhibit. A network engineer is configuring Ethernet Layer 2 service to connect CE2 and CE3 for video and data application sharing with these requirements: - A point-to-point…
The correct answer is B. l2vpn. To establish a point-to-point (P2P) Layer 2 VPN service, you need to configure a Virtual Circuit (VC) using xconnect on PE1 that links the GigabitEthernet interface to its neighbor's corresponding interface. Here's how this configuration satisfies the requirements: 1. l2vpn…
Question
Refer to the exhibit. A network engineer is configuring Ethernet Layer 2 service to connect CE2 and CE3 for video and data application sharing with these requirements:
- A point-to-point cross-connect services must be established between
10.10.10.10 and 20.20.20.20.
- PE1 and PE2 must learn neighbors dynamically in PW 10.
Which configuration must be implemented on PE1 to meet the requirements?
Exhibit
Options
- Al2vpn
- Bl2vpn
- Cxconnect group XCON1
- Dl2vpn
How the community answered
(53 responses)- A4% (2)
- B72% (38)
- C17% (9)
- D8% (4)
Explanation
To establish a point-to-point (P2P) Layer 2 VPN service, you need to configure a Virtual Circuit (VC) using xconnect on PE1 that links the GigabitEthernet interface to its neighbor's corresponding interface. Here's how this configuration satisfies the requirements: 1. l2vpn xconnect group: Defines the Layer 2 VPN context under which the P2P connection is 2. p2p XCON1_PE1PE2: Specifies the P2P connection identifier for the VC. 3. interface GigE 0/1: Maps the local interface to be part of the P2P cross-connect. 4. neighbor 20.20.20.20: Specifies the remote PE router's IP address that participates in the VC. 5. pw-id 10: Assigns the pseudowire ID, enabling the dynamic discovery of the neighbor for the Layer 2 cross-connect. This configuration achieves the requirement to dynamically learn neighbors in Pseudowire (PW) 10 and establishes the desired P2P Ethernet service between CE2 and CE3.
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