Yes, a QSFP (40G or 100G) module can be inserted into a QSFP-DD port (without a mechanical adapter). When using a QSFP module in an QSFP-DD port, the QSFP-DD port must be configured for a data rate of 100G(or 40G), instead of 400G.2019年11月08日にD***tより発表された
