Historical
IEEE 802.1Qbp-2014
IEEE Standard for Local and metropolitan area networks - Media Access Control (MAC) Bridges and Virtual Bridged Local Area Networks - Amendment 22: Equal Cost Multiple Path (ECMP)
Routing algorithms and relay behavior supporting equal cost multipath forwarding in shortest path bridged VLANs are specified in this amendment to IEEE Std 802.1Q.
Institute of Electrical and Electronics Engineers [ieee]