Let's track the evolution of BNG CUPS Controller (~1 year from the Webinar with version 24.4R2)
25.2R1 June 2024
Telemetry sensors support for IFL and IFL set statistics from BNG User Planes
Enhanced CoS handling and dynamic broadband edge subscriber management for ACX7K devices
"warm" backup mode changed to "warm-enhanced"
25.4R1 December 2025
Support for M:N oversubscription using a RE warm backup mode ("warm-scale" option)
26.2R1 June 2026
Scaling increase (!):
16 control plane instances
256 BNG User Planes
1.5 million subscribers
Two K8S cluster geo-redundancy (instead of three clusters)
Support for L2TP network server (LNS) subscribers with L2TP services, accounting, resiliency, and IP reassembly
Support for CGNAT address and port mapping for subscriber sessions
Support for subscriber address preservation (both IPv4 and IPv6)
Product page:
https://www.juniper.net/documentation/product/us/en/juniper-bng-cups/