802.1 和 802.3 协议分别都是什么

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802.3协议

https://www.electronics-notes.com/articles/connectivity/ethernet-ieee-802-3/standards.php

ETHERNET IEEE 802.3 STANDARDS SUPPLEMENTS & RELEASES
STANDARD
SUPPLEMENT
YEAR DESCRIPTION
802.3 1983 This first IEEE standard for Ethernet defined 10base5, 10 Mbps over thick coax.
802.3a 1985 10Base-2 (thin Ethernet), 10 Mbps over thin coax.
802.3b 1985 10-Broad-36
802.3c 1986 10 Mb/s repeater specifications (clause 9)
802.3d 1987 FOIRL (fiber link)
802.3e 1987 1-Base-5
802.3i 1990 10Base-T (twisted pair)
802.3j 1993 10Base-F (fiber optic)
802.3u 1995 100Base-T (Fast Ethernet and auto-negotiation)
802.3x 1997 Full duplex
802.3z 1998 1000Base-X (Gigabit Ethernet)
802.3ab 1999 1000Base-T (Gigabit Ethernet over twisted pair), 1 Gbps.
802.3ac 1998 VLAN tag (frame size extension to 1522 bytes) - this expanded the maximum frame size to 1522 bytes.
802.3ad 2000 Parallel links (link aggregation)
802.3ae 2002 10-Gigabit Ethernet
802.3af 2003 Power over Ethernet - first standard release for this technology
802.3ah 2004 Ethernet for the First Mile
802.3ak 2004 10G-Base-CX4 10Gbps, Ethernet over twinaxial cables.
802.3an 2006 10G-Base-T 10Gbps over unshielded twisted pair, UTP.
802.3ap 2007 Backplane Ethernet, 1 & 10 Gbps over a PCB.
802.3aq 2006 1-G-Base-LRM 10 Gbps over multimode fibre.
802.3as 2005 Frame expansion
802.3at 2005 Power over Ethernet Plus - enhancements to 25.5W
802.3au 2006 Isolation requirements for Power over Ethernet
802.3av 2009 10 Gbps
802.3ax 2008 Link aggregation - see IEEE 802.1ax
802.3az 2010 Energy efficient Ethernet
802.3ba 2010 40Gbps & 100Gbps Ethernet
802.3bc 2009 Update of Ethernet Type, Length & Value, TLVs that were previously specified in 802.1AB to 802.3
802.3bd 2011 Priority based flow control
802.3bf 2011 Provision of accurate indication of transmission and reception initiation times of some packets to support IEEE P802.1AS

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