Could you tell me about question below,
By default, when Extreme L2 switch receive an "IEEE802.1Q-tagged Ethernet frame" , forward it to other port or drop it ?
Best answer by Miguel-Angel RODRIGUEZ-GARCIA
The behavior is standard for interoperability purposes.
I suggest this great free academy to go over the basics of networking: https://www.youtube.com/watch?v=aATT8vqx73g&feature=youtu.be