there are 2 Nexus7K(2 as vPC+) as well 2 Nexus5K(2 as vPC+) . These switches be connected via fabricpath.i' ( see attached file )
and i'm running ospf on vlan 200 and vlan 200 mode is fabricpath
use " layer3 peer-router " on VPC+ in pair 7k and run ospf on all device ( asr and fw and 7k )
q 1 : in this design there is no spine ( 5k connect to server and 7k connect to asr and fw ) Is this design valid?
q 2 : I could not found any information about running layer3 dynamic routing ( such as ospf ) on vpc+ ? in this case, does ospf work fine in all devices ? and does redundancy work as well ? for example if one 7k fails, does network still work fine ?
bests