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Graceful Routing Engine Switchover PIC Support

Graceful Routing Engine switchover is supported on most PICs, except for the services PICs listed in this section. The PIC must be on a supported routing platform running the appropriate version of JUNOS software. For information about FPC types, FPC/PIC compatibility, and the initial JUNOS software release in which an FPC supported a particular PIC, see the PIC guide for your router platform.

The following constraints apply to graceful Routing Engine switchover support for services PICs:

You can include the graceful-switchover statement at the [edit chassis redundancy] hierarchy level on a router with Adaptive Services and MultiServices PICs configured on it and issue the commit command. The commit does succeed. However, all services on these PICs are reset during a switchover.
Graceful Routing Engine switchover is not supported on any Monitoring Services PICs or Multilink Services PICs. If you include the graceful-switchover statement at the [edit chassis redundancy] hierarchy level on a router with either of these PIC types configured on it and issue the commit command, the commit fails.
Graceful Routing Engine switchover is not supported on Multiservices 400 PICs configured for monitoring services applications. If you include the graceful-switchover statement, the commit fails.

Note: When an unsupported PIC is online, you cannot enable graceful Routing Engine switchover. If graceful Routing Engine switchover is already enabled, an unsupported PIC cannot come online.

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