Although IS-IS has formed an adjacency, its type is IS rather then L1, L2, or L1L2, indicating there is a problem. The IP addresses are not on the same subnet.
2
The router sends only L1 Hellos, indicating that it is an L1 router. It receives only L2 Hellos from 0000.3090.c7df, indicating that it is an L2 router.
