QinQ technology can be explained as 802.1Q in 802.1Q. In other words, it is to add another layer of 802.1Q tag on top of the 802.1Q tag. The outer layer is C-VLAN and the inner layer is S-VLAN…

The correct answer is B. False. See the full explanation below for the reasoning.

Huawei Transmission Equipment Introduction

Question

QinQ technology can be explained as 802.1Q in 802.1Q. In other words, it is to add another layer of 802.1Q tag on top of the 802.1Q tag. The outer layer is C-VLAN and the inner layer is S-VLAN, which is 20 bytes more than the normal 802.1Q frame.

Options

ATrue
BFalse

How the community answered

(40 responses)

A
20% (8)
B
80% (32)

Topics

#QinQ#802.1Q tag#S-VLAN C-VLAN#frame overhead

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