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Configuring Redundancy

For routers that have multiple Routing Engines or these multiple switching control boards: Switching and Forwarding Modules (SFMs), System and Switch Boards (SSBs), Forwarding Engine Boards (FEBs), or Compact Forwarding Engine Boards (CFEBs), you can configure redundancy properties.

The following redundancy statements are available at the [edit chassis] hierarchy level:



redundancy {
cfeb slot (always | preferred);


failover {
on-disk-failure
on-loss-of-keepalives;
}




feb { 


redundancy-group group-name {
feb slot-number (backup | primary);
description description;
no-auto-failover;
}
}




graceful-switchover; 
keepalive-time seconds; 
routing-engine slot-number (master
| backup | disabled);
sfm slot-number (always | preferred);
ssb slot-number (always | preferred);
}

For more information, see the JUNOS High Availability Configuration Guide.

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