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Understanding Virtual Chassis Roles in an EX8200 Virtual Chassis
The roles of Virtual Chassis members in an EX8200 Virtual Chassis are defined by uptime and hardware type. The XRE200 External Routing Engine with the most uptime assumes the master role; the external Routing Engine with less uptime assumes the backup role. EX8200 member switches are always in the linecard role.
Table 1 provides a summary of the EX8200 Virtual Chassis roles.
Table 1: EX8200 Virtual Chassis Roles
| Role | Description |
Master | The master XRE200 External Routing Engine. The master XRE200 External Routing Engine is responsible for maintaining an active EX8200 Virtual Chassis. |
Backup | The backup XRE200 External Routing Engine. The backup external Routing Engine takes control of the Virtual Chassis when the master external Routing Engine fails. |
Linecard | EX8208 or EX8216 switch. All EX8200 member switches in the Virtual Chassis are in the linecard role. |
