What is the default topology, and what is its MTID?
4.
Which of the first five LSA types does not require any changes for MT-OSPF support, and why?
5.
What is MT-OSPF link exclusion, and how is support for it signaled between neighbors?
6.
Can an MT-ISIS router advertise separate overloading and L2 attachments for each topology?
7.
If two IS-IS neighbors on a point-to-point link have no MTIDs in common, do they become adjacent? What about two neighbors on a broadcast link with no MTIDs in common?
8.
How does an MT-ISIS router interpret a neighbor that does not include any MT TLVs in its Hellos?