MACsec Intel® FPGA IP User Guide

ID 736108
Date 10/21/2022

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Document Table of Contents VLAN Tag (Clear)

The following diagram shows the packet format when it is a VLAN tag. The VLAN tag is not encrypted together with the payload, but it is included as part of the integrity check. This mode can be enabled through setting the PORTX_VLAN_CLEAR parameter to ENABLE.
Table 55.  VLAN Tag (Clear)
Field (TData) DMAC SMAC 802.1Q Ethertype Payload (plaintext)
Size (Bytes) 6 6 4 2 46 - 9582
Figure 33. VLAN Tag (Clear)