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Enabling Nonstop Active Routing

Nonstop active routing requires you to configure graceful Routing Engine switchover (GRES). To enable graceful Routing Engine switchover, include the graceful-switchover statement at the [edit chassis redundancy] hierarchy level:



[edit chassis redundancy]
graceful-switchover;

By default, nonstop active routing is disabled. To enable nonstop active routing, include the nonstop-routing statement at the [edit routing-options] hierarchy level:



[edit routing-options]
nonstop-routing;

To disable nonstop active routing, remove the nonstop-routing statement from the [edit routing-options] hierarchy level.

To enable the routing platform to switch over to the backup Routing Engine when the routing protocol process (rpd) fails rapidly three times in succession, include the other-routing-engine statement at the [edit system processes routing failover] hierarchy level.

For more information about the other-routing-engine statement, see the JUNOS System Basics Configuration Guide.

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