The Author of this posting offers the information contained within this posting without consideration and with the reader's understanding that there's no implied or expressed suitability or fitness for any purpose. Information provided is for informational purposes only and should not be construed as rendering professional advice of any kind. Usage of this posting's information is solely at reader's own risk.
In no event shall Author be liable for any damages whatsoever (including, without limitation, damages for loss of use, data or profit) arising out of the use or inability to use the posting's information even if Author has been advised of the possibility of such damage.
As Rolf noted, you would normally have an OSPF instance per VRF. Effectively, you then have 3 L3 topologies (much like VLANs do for L2).
You do have the option to leak routes between VRFs.
You also could have 3 OPSF processes, and no VRFs.
"Best" approach depends on what your needs really are. VRFs are great if you need to support overlapping IP address spaces and/or you have some very stringent security requirements.
We are pleased to announce availability of Beta software for 16.6.3. 16.6.3 will be the second rebuild on the 16.6 release train targeted towards Catalyst 9500/9400/9300/3850/3650 switching platforms. We are looking for early feedback from custome...