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JN0-660 · Question #4
You are asked to design a Layer 2 VPN service between service provider networks that needs Ethernet transport capabilities. The VPN should support two or three endpoints. Which Layer 2 VPN…
The correct answer is B. BGP-signaled VPLS, using the RFC 4448 Layer 2 frame format. See the full explanation below for the reasoning.
Question
You are asked to design a Layer 2 VPN service between service provider networks that needs Ethernet transport capabilities. The VPN should support two or three endpoints. Which Layer 2 VPN technology should you propose?
Options
- ALDP-signaled VPLS
- BBGP-signaled VPLS, using the RFC 4448 Layer 2 frame format
- CLDP Layer 2 circuit, using the RFC 4448 Layer 2 frame format
- DBGP Layer 2 VPN
How the community answered
(26 responses)- A15% (4)
- B69% (18)
- C4% (1)
- D12% (3)
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