- Written by Oren Moshe
- Posted on February 17, 2021
- Updated on July 15, 2022
- 8876 Views
VLAN tagged MACsec refers to frames that have a VLAN tag between the MAC source address and the MACsec ethertype. This VLAN tag is unencrypted (in the clear) so that intermediate devices between the MACsec endpoints can forward the MACsec frames based on this unencrypted VLAN tag.