Principle of link aggregation on S series switches

Ethernet link aggregation , also called Eth-Trunk, bundles multiple physical links on S series switches (except the S1700) into a logical link to increase link bandwidth. The bundled links can increase the link reliability through mutual dynamic backup. Link aggregation is also called Ethernet link aggregation, port aggregation, link bundle, port bundle, Eth-Trunk, Eth-Trunk link aggregation, and interface aggregation.
For more information about how link aggregation is implemented, see Link Aggregation Configuration in S1720&S2700&S5700&S6720 V200R010C00 Configuration Guide - Ethernet Switching.
Link aggregation is implemented similarly on all S series switch models. The Sx700 series switch is used here as an example.

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