# The Ethernet/802.1 Protocol Stack

DevFeed: [The Ethernet/802.1 Protocol Stack](<https://devfeed.tech/articles/the-ethernet-802-1-protocol-stack-11119.md>)

Original publisher: [Read original article](<https://blog.ipspace.net/2025/01/ethernet-8021-protocol-stack/>)

Published: 2025-01-22T07:28:00Z

Content type: tutorial

Language: en

Sources: [ipSpace.net blog](<https://devfeed.tech/sources/ipspace-net-blog.md>)

Topics: [Ethernet](<https://devfeed.tech/topics/ethernet.md>), [Protocol (disambiguation)](<https://devfeed.tech/topics/protocol.md>)

Tags: [ethernet](<https://devfeed.tech/tags/ethernet.md>), [gigabit-ethernet](<https://devfeed.tech/tags/gigabit-ethernet.md>), [lan](<https://devfeed.tech/tags/lan.md>), [protocol](<https://devfeed.tech/tags/protocol.md>), [provisioning](<https://devfeed.tech/tags/provisioning.md>), [reconciliation](<https://devfeed.tech/tags/reconciliation.md>)

## AI overview

An explanation of the Ethernet and IEEE 802.1 protocol stack, including the MAC and LLC sublayers, physical-layer subdivisions, and the placement of discovery, link aggregation, spanning tree, VLAN, and provisioning protocols.

## Source excerpt

The believers in the There Be Four Layers religion think everything below IP is just a blob of stuff dealing with physical things: People steeped in a slightly more nuanced view of the world in which IP is not the centerpiece of the universe might tell you that the blob of stuff we need is two things: Read more ...