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High Availability

  • Unified ISSU support for 802.1X protocol (QFX5230-64CD)—802.1X clients no longer experience traffic disruptions during unified ISSU. You can use this feature to maintain continuous network connectivity and minimize traffic loss. The feature is enabled by default.

    Use the show dot1x sync-pending-sessions command to monitor authentication sessions pending synchronization after unified ISSU.

    [See Understanding Unified ISSU]

  • EVPN support during unified ISSU on leaf devices (QFX5230-64CD, QFX5240-64OD, and QFX5240-64QD)—Spine-and-leaf topologies with external BGP (EBGP) connections support EVPN data traffic forwarding on the spine device without any traffic loss while the leaf device performs a unified ISSU.

    [See Performing a Unified ISSU]