Verifying Graceful Routing Engine Switchover Operation - Juniper EX9200 Features Manual

Verifying Graceful Routing Engine Switchover Operation

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NOTE: If the image is not available in the /var/sw/pkg path, the script is
terminated with an appropriate syslog message.
If the Routing Engine is running at the Junos OS Release 13.2 or later, the Junos automation
scripts is synchronized automatically.
After the master Router Engine is rebooted, the event script available at the
/usr/libexec/scripts/event/auto-image-upgrade.slax must be copied to the
/var/db/scripts/event path.
To verify whether GRES is enabled on the backup Routing Engine, issue the
switchover command. When the output of the command indicates that the
field is set to
switchover On
configuration database synchronization between Routing Engines is also provided. For
example:
Graceful switchover: On
Configuration database: Ready
Kernel database: Ready
Peer state: Steady state
NOTE: You must issue the
Routing Engine. This command is not supported on the master Routing Engine.
For more information about the
Release Description
14.1 Starting in Junos OS release 14.1, you can enable automatic synchronization of
the master Routing Engine configuration with the backup Routing Engine by
including the events CHASSISD_SNMP_TRAP7 statement at the [edit
event-options policy policy-name] hierarchy level.
Understanding Graceful Routing Engine Switchover on page 3
Graceful Routing Engine Switchover System Requirements on page 11
Requirements for Routers with a Backup Router Configuration on page 15
Resetting Local Statistics on page 20
graceful-switchover on page 231
graceful-switchover
Example: Configuring IS-IS for GRES with Graceful Restart on page 20
hold-time
, GRES is operational. The status of the kernel database and
show system switchover
show system switchover
Chapter 3: Configuring GRES
show system
Graceful
command on the backup
command, see the CLI Explorer .
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