I saw design on cisco web suggest routing protocol running on spine or running on leaf, or attach router to spine or leaf edge, but not both. If we running ospf routing protocol on both spine and leaf nexus 7k, can these ospf instances form ospf neighbor across fabricpath .
and more , add router to leaf edge and spine?
I test it on spine and leaf nexus 7k,it is running ok, can form ospf neighbor, but I don't know is there any potential problem in this design?
thank you!
Tom