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What's Changed in 22.4R3-S1

Learn about what changed in this release for MX Series routers.

General Routing

  • Non-revertive switchover for sender based MoFRR— In earlier Junos releases, source-based MoFRR ensured that the traffic reverted to the primary path from the backup path, when the primary path or session was restored. This reversion could result in traffic loss. Starting in Junos OS 22.4R3-S1, source-based MoFRR will not revert to the primary path, i.e. traffic will continue to flow through the backup path as long as the traffic flow rate on the backup path does not go below the configured threshold set under protocols mvpn hot-root-standby min-rate.

    See min-rate

  • Show active forwarding session for sender based MoFRR— The show multicast route extensive command will show the active forwarding session in the case of source-based MoFRR. The field Session Status: Up and Forwarding will indicate that the particular session is currently forwarding traffic.

    See show multicast route.

VPN

  • Increase in revert-delay timer range—The revert-delay timer range is increased to 600 seconds from 20 seconds.

    See min-rate

  • Configure min-rate for IPMSI traffic explicitly—In a source-based MoFRR scenario, you can set a min-rate threshold for IPMSI traffic explicitly by configuring ipmsi-min-rate under set routing-instances protocols mvpn hot-root-standby min-rate. If not configured, the existing min-rate will be applicable to both IPMSI and SPMSI traffic.

    See min-rate