Ethernet frame
Structure

Ethernet frame

Section Title: Structure
Table Section Text: None

Layer	Preamble	Start of frame delimiter	MAC destination	MAC source	802.1Q tag (optional)	Ethertype (Ethernet II) or length (IEEE 802.3)	Payload	Frame check sequence (32‑bit CRC)	Interpacket gap

7 octets	1 octet	6 octets	6 octets	(4 octets)	2 octets	46‑1500 octets	4 octets	12 octets

Layer 2 Ethernet frame	← 64–1522 octets →

Layer 1 Ethernet packet & IPG	← 72–1530 octets →	← 12 octets →

Sentence(s)

The Ethernet frame has a payload of 1500 octets.

final_sentence: The Ethernet frame has a payload of 1500 octets.