IEEE 802.1D

802.1D is the IEEE MAC Bridges standard which includes Bridging, Spanning Tree, interworking for 802.11 and others. It is standardized by the IEEE 802.1 working group.

VLANs (virtual LANs) are not part of 802.1D, but specified in 802.1Q.

Publishing history:

• 1990 - Original publication (802.1D-1990), based on the ISO/IEC 10038 standard
• 1998 - Revised version (802.1D-1998), incorporating the extensions 802.1p, P802.12e, 802.1j and 802.6k.
• 2004 - Revised version (802.1D-2004), incorporating the extensions 802.1t and 802.1w, which were separately published in 2001, and removing the original Spanning tree protocol, instead incorporating the Rapid Spanning Tree Protocol (RSTP) from 802.1w.

See also

• Spanning tree protocol
• Multiple Spanning Tree Protocol
• IEEE 802.1

External references

• 802.1D MAC Bridges Standard
• 802.1D Status

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