Term
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Definition
| Is a Link State Routing Protocol that uses LSA to propagate advertizements. |
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Term
| What Protocol uses and AD? |
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Definition
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Term
| What is the keepalive packet name and what's its timer |
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Definition
| Hello = 10 and 30 Dead= 40 and 120 |
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Term
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Definition
-Backbone = Area 0, all areas connect to
-Regular = Non 0 area, must be directly connected to the Area 0
-Stub = Contains only internal routes and a Default Route. Removes LSA 4 and 5
-T Stub = Adds the Internal routes to the Default Route. Also removes LSA 3
-NSSA = Allow External routes to be flooded to the Area 0, using LSA type 7. Allows Internal Routes. Blocks type 5 but allows 3 and 4.
-T NSSA = Adds the internal Route to the Default Route. Only allow summary routes.
Tottally means that removes LSA 3 and adds those routes to the Default Route. |
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Term
| What are the LSA Definitions? |
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Definition
1- Router
2- Network
3- Summary ABR
4- Summary ASBR
5- External
6- MOSPF
7- NSSA |
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Term
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Definition
Down: No Hellos
Init: Hello
Two-Way: Hello Received, becomas neighbor
Extart: Determination of Routing exchange
Exchange: Database exchange Loading: Database Comparisson
Full: LSDB syncronized |
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Term
| What are the Route types? |
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Definition
O Intra-Area
O IA Inter-Area
O E1 External Type 1
O E2 External Type 2
O N1 NSSA Type 1
O N2 NSSA Type 2 |
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Term
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Definition
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Term
| What's its multicast address? |
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Definition
| 224.0.0.5 All Routers, 224.0.0.6 All DRs |
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Term
| What must match before an adjacency? |
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Definition
1- Timers
2- Area
3- Encryption
4- Stub Flag
5- Password |
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Term
| Inter-Area Summarization? In Router Process |
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Definition
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Term
| External Summarization? In Interface |
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Definition
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Term
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Definition
- Used to virtually connect an area to the Backbone
- Could be a fragmented Backbone
- Transit Area cannot be a stub
- Links are "on-demand", therefore they may stay up even tho the connection was lost. |
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Term
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Definition
| Converts External Routes to Internal |
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Term
| How to advertize a default-route if it doesn't exist in the RIB? |
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Definition
| Using the command: Default-Information Originate |
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