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    Nonstop Bridging System Requirements

    This topic contains the following sections:

    Platform Support

    Nonstop bridging is supported on MX Series 3D Universal Edge Routers. Your system must be running Junos OS Release 8.4 or later.

    Nonstop bridging is supported on EX Series switches with redundant Routing Engines in a Virtual Chassis or in a Virtual Chassis Fabric.

    Nonstop briding is supported on QFX Series switches in a Virtual Chassis or in a Virtual Chassis Fabric.

    For a list of the EX Series switches and Layer 2 protocols that support nonstop bridging, see EX Series Switch Software Features Overview.

    Note: All Routing Engines configured for nonstop bridging must be running the same Junos OS release.

    Protocol Support

    Nonstop bridging is supported for the following Layer 2 control protocols:

    • Spanning Tree Protocol (STP)
    • Rapid Spanning Tree Protocol (RSTP)
    • Multiple Spanning Tree Protocol (MSTP)
    • VLAN Spanning Tree Protocol (VSTP)

    Modified: 2015-02-12