6. OSPF Stub Network Types Flashcards
What are the different STUB areas?
- Stub
- Totally Stub
- Not So Stub
- Totally Not So Stub
What do the STUB areas have in common?
The do not support Type 5 LSAs and virtual links are not supported
What are the LSA types in the stub area?
- 1
- 2
- 3
What does the stub flag (E-bit) indicate?
No extra information is allowed
What command does every interface need in the stub area?
area x stub
How are routes redistributed into OSPF shown in the routing table?
As an E2 route
How many virtual links are supported by OSPF stub area types?
None
Which “bit” is known as the “stub flag”?
The E bit
Which TWO (2) stub area types are considered to be Cisco proprietary?
Totally Stub and Totally Not-so-Stubby
What are the LSA types in the Totally Stub area?
- 1
- 2
Which command, when used on the ABR, is used to configure the Totally Stubby Area?
area 5 stub no-summary
How many ASBRs are supported in a Totally Stubby Area?
None
What are the LSA types in the Totally Stub area?
- 1
- 2
- 3
- 7
