JN0-694 · Question #42
You are trying to establish an OSPF adjacency between R1 and R2, but the adjacency does not establish. user@R1> show ospf neighbor Address Interface State ID Pri Dead 10.222.0.2 ge-0/0/1.0 Init…
The correct answer is D. The interface type is mismatched between R1 and R2. See the full explanation below for the reasoning.
Question
You are trying to establish an OSPF adjacency between R1 and R2, but the adjacency does not establish. user@R1> show ospf neighbor Address Interface State ID Pri Dead 10.222.0.2 ge-0/0/1.0 Init 10.222.1.2 128 32 user@R1> show ospf interface detail Interface State Area DR ID BDR ID Nbrs ge-0/0/1.0 DR 0.0.0.0 10.222.1.1 0.0.0.0 1 Type: LAN, Address: 10.222.0.1, Mask: 255.255.255.252, MTU: 1500, Cost:
1 DR addr: 10.222.0.1, Priority:
Adj count: 0 Hello: 10, DeaD. 40, ReXmit: 5, Not Stub Auth type: MD5, Active key ID. 10, Start time: 1970 Jan 1 00:00:00 UTC Protection type: None Topology default (ID 0) -> Cost: 1 lo0.0 DR 0.0.0.0 10.222.1.1 0.0.0.0 0 Type: LAN, Address: 10.222.1.1, Mask: 255.255.255.255, MTU: 65535, Cost: 0 DR addr: 10.222.1.1, Priority: 128 Adj count: 0 Hello: 10, DeaD. 40, ReXmit: 5, Not Stub Auth type: None Protection type: None Topology default (ID 0) -> Cost: 0 user@R2> show ospf neighbor user@R2> show ospf interface detail Interface State Area DR ID BDR ID Nbrs ge-0/0/1.0 PtToPt 0.0.0.0 0.0.0.0 0.0.0.0 0 Type: P2P, Address: 10.222.0.2, Mask: 255.255.255.252, MTU: 1500, Cost:
1 Adj count: 0 Hello: 10, DeaD. 40, ReXmit: 5, Not Stub Auth type: MD5, Active key ID. 10, Start time: 1970 Jan 1 00:00:00 UTC Protection type: None Topology default (ID 0) -> Cost: 1 lo0.0 DR 0.0.0.0 10.222.1.2 0.0.0.0 0 Type: LAN, Address: 10.222.1.2, Mask: 255.255.255.255, MTU: 65535, Cost: 0 DR addr: 10.222.1.2, Priority: 128 Adj count: 0 Hello: 10, DeaD. 40, ReXmit: 5, Not Stub Auth type: None Protection type: None Topology default (ID 0) -> Cost: 0 Referring to the exhibit, what is causing the adjacency to fail?
Options
- AThe MD5 key ID values are mismatched between R1 and R2.
- BR1 has both family inet and family iso configured on the link toward R2.
- CThe IP subnet mask is mismatched between R1 and R2.
- DThe interface type is mismatched between R1 and R2.
How the community answered
(42 responses)- A14% (6)
- B5% (2)
- C7% (3)
- D74% (31)
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