Aggregating 2 SFP with different ratings

Hi Joven,

You can use QSFP ports as 40Gb or 100Gb on r5000 and r10000 series devices. You need to select the mode(rate) under Port Group on F5OS GUI.

All links must operate at the same speed for the Link Aggregation protocol.

https://clouddocs.f5.com/training/community/rseries-training/html/rseries_networking.html