IEEE 802.1D is the

Ethernet Ethernet () is a family of wired computer networking technologies commonly used in local area networks (LAN), metropolitan area networks (MAN) and wide area networks (WAN). It was commercially introduced in 1980 and first standardized in 198 ...

MAC bridge A network bridge is a computer networking device that creates a single, aggregate network from multiple communication networks or network segments. This function is called network bridging. Bridging is distinct from routing. Routing allows mu ...

s standard which includes bridging,

Spanning Tree Protocol The Spanning Tree Protocol (STP) is a network protocol that builds a loop-free logical topology for Ethernet networks. The basic function of STP is to prevent bridge loops and the broadcast radiation that results from them. Spanning tree also al ...

and others. It is standardized by the

IEEE 802.1 IEEE 802.1 is a working group of the IEEE 802 project of the IEEE Standards Association. It is concerned with: * 802 LAN/MAN architecture * internetworking among 802 LANs, MANs and wide area networks * 802 Link Security * 802 overall network manage ...

working group. It includes details specific to linking many of the other 802 projects including the widely deployed 802.3 (Ethernet),

802.11 IEEE 802.11 is part of the IEEE 802 set of local area network (LAN) technical standards, and specifies the set of media access control (MAC) and physical layer (PHY) protocols for implementing wireless local area network (WLAN) computer com ...

(Wireless LAN) and

802.16 IEEE 802.16 is a series of wireless broadband standards written by the Institute of Electrical and Electronics Engineers (IEEE). The IEEE Standards Board established a working group in 1999 to develop standards for broadband for wireless metro ...

(WiMax) standards. Bridges using

virtual LAN A virtual local area network (VLAN) is any broadcast domain that is partitioned and isolated in a computer network at the data link layer (OSI layer 2).IEEE 802.1Q-2011, ''1.4 VLAN aims and benefits'' In this context, virtual, refers to a physi ...

s (VLANs) have never been part of 802.1D, but were instead specified in separate standard,

802.1Q IEEE 802.1Q, often referred to as Dot1q, is the networking standard that supports virtual local area networking (VLANs) on an IEEE 802.3 Ethernet network. The standard defines a system of VLAN tagging for Ethernet frames and the accompanying pro ...

originally published in 1998. By 2014, all the functionality defined by IEEE 802.1D has been incorporated into either IEEE 802.1Q-2014 (Bridges and Bridged Networks) or IEEE 802.1AC (MAC Service Definition). 802.1D is expected to be officially withdrawn in 2022 Publishing history: * 1990 — Original publication (802.1D-1990). * 1993 — standard ISO/IEC 10038:1993. * 1998 — Revised version (802.1D-1998, ISO/IEC 15802-3:1998), incorporating the extensions P802.1p, P802.12e, 802.1j-1996 and 802.6k-1992. * 2004 — Revised version (802.1D-2004), incorporating the extensions 802.11c-1998, 802.1t-2001, 802.1w-2001, and removing the original

, instead incorporating the

Rapid Spanning Tree Protocol The Spanning Tree Protocol (STP) is a network protocol that builds a loop-free logical topology for Ethernet networks. The basic function of STP is to prevent bridge loops and the broadcast radiation that results from them. Spanning tree also ...

(RSTP) from 802.1w-2001. * Amendments to 802.1D-2004: ** 2004 — Small amendment (802.17a-2004) to add in 802.17 bridging support. ** 2007 — Small amendment (802.16k-2007) to add in

bridging support.802.16k-2007
/ref> * 2012 — Shortest Path Bridging ( IEEE 802.1aq-2012, amendment to 802.1Q-2011).

References

802.1D-2004 - IEEE Standard for Local and metropolitan area networks: Media Access Control (MAC) Bridges802.1D Status
IEEE 802.01D Ethernet standards {{network-stub

See also

References