1588 is just one of the feature supported in Ethernet IP protocol.
You can refer to below link to checkout all Stratix 10 Ethernet IP that support 1588 feature.
- Mainly the difference on these IP are on the supported data rate
I didn't hear back from you.
I hope I have explained the 1588 feature support clearly to you on my previous feedback.
For now, I am setting this case to closure.