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EtherChannel is a port link aggregation technology or port-channel architecture used primarily on Cisco switches. It allows grouping of several physical Ethernet links to create one logical Ethernet link for the purpose of providing fault-tolerance and high-speed links between switches, routers and servers. An EtherChannel can be created from between two and eight active Fast, Gigabit or 10-Gigabit Ethernet ports, with an additional one to eight inactive (failover) ports which become active as the other active ports fail. EtherChannel is primarily used in the backbone network, but can also be used to connect end user machines.
EtherChannel technology was invented by Kalpana in the early 1990s.[1] Kalpana was acquired by Cisco Systems in 1994. In 2000, the IEEE passed 802.3ad, which is an open standard version of EtherChannel.[2]
- ^ "Kalpana Claims A Simple Method For Tackling Ethernet Bottlenecks". Computer Business Review. 1994-03-04. Retrieved 2024-05-24.
- ^ "IEEE 802.3ad Link Aggregation Task Force". www.ieee802.org. Archived from the original on 27 October 2017. Retrieved 9 May 2018.