OSPF - Stub areas and allowed LSAs

Type: #OSPF #stub #LSA

The following table indicates what OSPF LSA Types are allowed within OSPF stub areas of different types:

LSA/AreaNormalStubTotally StubNSSATotally 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

https://community.cisco.com/t5/routing/which-ospf-areas-prevent-lsa-type-4-lsa-type-5/td-p/3825302