Set the core maximum data rate to the following (see the previous figure):
- 1 Gbps
- Ethernet speeds up to 1 Gbps are supported. All four types of physical interfaces, namely GMII, MII, RGMII, and Internal are available.
- 2.5 Gbps
- Ethernet speed is set to 2.5 Gbps. The physical interface is set to Internal with all other types being disabled.
Figure 1. Vivado Customize IP IDE – Interface Tab
