we just bought a CRS504-4XQ-IN which has 4 100G QSFP28 ports and two CRS354-48G-4S+2Q-RM which have 40G QSFP+ Ports.
What are the options on connecting the 100G QSFP28 to the 40G QSFP+. Is there a 100G QSFP28 to 2x40G QSFP+? Or 100G QSGP28 to 4x25G QSFP+? And can the CRS354 handle 25G QSFP+?