failover (Chassis)
Syntax
failover {
on-disk-failure;
on-loss-of-keepalives;
on-re-to-fpc-stale;
}
Hierarchy Level
[edit chassis redundancy]
Description
Specify conditions on the primary Routing Engine that cause the backup router to take primary role.
On Junos OS devices this statement enables automatic Routine Engine switchover. By default this statement is disabled on Junos OS Evolved, but it may be enabled if you are upgrading an existing configuration from Junos OS to Junos OS Evolved. To disable automatic failover on Junos OS Evolved devices, delete this statement by entering the delete chassis redundancy failover command.
Options
on-disk-failure |
Instruct the backup router to take primary role if it detects hard disk errors on the primary Routing Engine. |
on-re-to-fpc-stale |
Instruct the backup router to take mastership if the This option is not supported on PTX platforms running Junos OS Evolved. These platforms default to a switchover when disk failure is detected. |
The remaining statements are explained separately. Search for a statement in CLI Explorer or click a linked statement in the Syntax section for details.
Required Privilege Level
interface—To view this statement in the configuration.
interface-control—To add this statement to the configuration.
Release Information
Statement introduced before Junos OS Release 7.4.
on-re-to-fpc-stale option introduced in Junos OS Release 15.2.