| Feature hierarchy | Feature Name |
|---|---|
| Port Speed / | 1 G speed on 20xSFP FPC |
| Port Speed / | 1G fiber optic speed |
| Port Speed / | Auto-negotiation and port speed (configurable) |
| Port Speed / | Autonegotiation on Gigabit Ethernet interfaces |
| Port Speed / | CL74 FEC support for 25-gigabit and 50-gigabit channel speeds |
| Port Speed / | Channelizing 40-Gigabit Ethernet QSFP+ interfaces |
| Port Speed / | Configuring the port speed |
| Port Speed / | FEC support for 100-gigabit port speeds |
| Port Speed / | Optical port speeds |
| Port Speed / | Speed config: Change 10-Gbps port to operate in 1-Gbps speed |
| Port Speed / | Time domain reflectometry (TDR) |