The following document is still a DRAFT and a subject to change, though protocol and assigned numbers should not change.
1. Purpose
ON2 - OCNet L2 protocol - is a very simple standard is aimed at advanced network stacks. It provides protocol tagging and optional vlan separation for devices that support it.
2. Protocol
ON2 utilizes the fact that OpenComputers network message can have multiple parameters. When a message(data frame) is sent using ON2 layer, the implementation sets first data parameter to protocol number and passes the data via second data argument. Por