Re: OSPF vs ISIS - Which do you prefer & why?

On 10/Nov/16 12:54, Zbyněk Pospíchal wrote:

In theory, yes. In the real world operators need MPLS label distribution, which is still not supported in many implementations.

But dual-stack protocol support in the IGP has nothing to do with MPLS. Now, if you're talking about LDPv6 or SR, then... Mark.