Bequant releases R5.1.4, with fixes and improvements in functionality

Bequant released R5.1.4, which includes both improvements in functionality and fixes.

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Improvements in functionality.

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- New REST API endpoints to allow bulk download of metrics for all subscribers or groups: You can now download the traffic volumes, latencies and retransmissions, over time, for all subscribers and/or groups at once. See https://bqn-api-rest.readme.io/reference/getsubscribermetrics.

- Added DSCP Marking to Config->Optimization_Settings.

- Improved Gaiia rate policy selection with several Internet plans.

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Fixes.

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* Fixed bug that did not allow VLAN interfaces for mangement.

* In clusters, when one BQN selected, show commands don't go to other BQN nodes, to avoid problems if their connection to the cluster is unstable.

* Eliminated spurious TCP SYN-ACK retransmissions.

* Fixed billing alarm not cleared from Critical state in some rare cases.