JN0-360 · Question #249
You have been asked to determine if an NSR switchover will be hitless for a given BGP peer. Referring to the exhibit, which statement is true? {master}[edit] user@router-RE0# run show task…
The correct answer is A. The BGP session is idle on the backup RE indicating that the session will flap at switchover. See the full explanation below for the reasoning.
Question
You have been asked to determine if an NSR switchover will be hitless for a given BGP peer. Referring to the exhibit, which statement is true? {master}[edit] user@router-RE0# run show task replication Stateful Replication: Enabled RE modE. Master Protocol Synchronization Status OSPF Complete RIP Complete BGP Complete MPLS Complete LDP Complete {master}[edit] user@router-RE0# run show bgp summary | find 192.168.1.1 192.168.1.1 65056 0 0 11:14 Establ inet.0: 0/0/0/0 inet.2: 0/0/0/0 bgp.l3vpn.0: 0/0/0/0 ... {backup}[edit] user@router-RE1# run show system switchover Graceful switchover: On Configuration databasE. Ready Kernel databasE. Synchronizing Peer statE. Steady State {backup}[edit] user@router-RE1# run show bgp summary | find 192.168.1.1 192.168.1.1 65056 306 581 0 7 7 Idle
Options
- AThe BGP session is idle on the backup RE indicating that the session will flap at switchover.
- BThe task replication process has completed on the master indicating a hitless switchover can
- CThe GRES synchronization process is underway and must complete before the protocol state can
- DThe BGP session is idle on the backup RE which is normal; it toggles to established at mastership change.
How the community answered
(45 responses)- A73% (33)
- B4% (2)
- C7% (3)
- D16% (7)
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