You have a router with dual Routing Engines. You want to ensure that your users
experience minimum downtime. You have decided to enable graceful Routing Engine
switchover on the router. Which output accomplishes this task?
A.
{master} user@R1-re0> show system switchover Graceful switchover: On Configuration
databasE. Ready kernel databasE. Ready Peer StatE. steady State
B.
{backup} user@R1-re1> show system snapshot Information for snapshot on hard-disk
Creation datE. Nov 1 1 :5 :0 2012 JUNOS version on snapshot: jbase : 11.4R2 jcrypto:
11.4R2 jdocs : 11.4R2 jkernel: 11.4R2 jpfe : M40-11.4R2 jroute : 11.4R2
C. databasE. Ready kernel databasE. Ready Peer StatE. steady State
{backup} user@R1-re1> show system switchover Graceful switchover: On Configuration
D.
{master} user@R1-re0> show system snapshot Information for snapshot on hard-disk
Creation datE. Nov 1 1 :5 :0 2012 JUNOS version on snapshot: jbase : 11.4R2 jcrypto:
11.4R2 jdocs : 11.4R2 jkernel: 11.4R2 jpfe : M40-11.4R2 jroute : 11.4R2
Ans:
C.
{backup} user@R1-re1> show system switchover Graceful switchover: On Configuration
databasE. Ready kernel databasE. Ready Peer StatE. steady State.
It checks in backup RE.
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Note: Check GRES readiness by executing both:
The request chassis routing-engine master switch check command from the master Routing Engine
The show system switchover command from the Backup Routing Engine
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