OSPF Stub areas allowed LSAs
The following table indicates what OSPF LSA Types are allowed within OSPF stub areas of different types:
| LSA/Area | Normal | Stub | Totally Stub | NSSA | Totally NSSA |
|---|---|---|---|---|---|
| 1 | ✓ | ✓ | ✓ | ✓ | ✓ |
| 2 | ✓ | ✓ | ✓ | ✓ | ✓ |
| 3 | ✓ | ✓* | -* | ✓ | -* |
| 4 | ✓ | - | - | - | - |
| 5 | ✓ | - | - | - | - |
| 7 | - | - | - | ✓* | ✓ |
'*' indicates a default route LSA type.
Links
https://networklessons.com/ospf/introduction-to-ospf-stub-areas https://networklessons.com/ospf/ospf-lsa-types-explained