1. sublayer - Noun
2. sublayer - Verb
A layer underneath another.
A subunit of a layer.
sublayer (third-person singular simple present sublayers, present participle sublayering, simple past and past participle sublayered)
(transitive) To divide into sublayers.
The IEEE 802.2 sublayer adds some control information to the message created by the upper layer and passed to the LLC for transmission to another node on the same data link. Source: Internet
The resulting packet is generally referred to as LLC Protocol Data Unit (PDU) and the additional information added by the LLC sublayer is the LLC HEADER. Source: Internet