EtherChannel: Bandwidth, Limits, and How It Actually Bonds Links
EtherChannel is Cisco’s specific implementation of the link aggregation concept — bundling multiple physical Ethernet ports into a single logical channel. This article focuses on the bandwidth math, the point-to-point requirements, and the hard limits worth knowing; for PAgP and LACP negotiation modes, see the link aggregation article, which covers that side in full. How...