Cisco Terminated Sales of cBR-8 Chassis
The end-of-life process for the cable modem system forces operators to migrate toward virtualized network platforms.
Updated on Sept. 29, 2026 in Data Centers
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Cisco initiated the end-of-life process for its cBR-8 cable modem termination system in April 2025, with direct sales ending on April 11, 2026. The shift marks a move away from legacy chassis-based hardware that first launched in 2015.
Why it matters
The transition reflects broader industry pressures as rising memory component costs, driven by AI data center demand, accelerate the move toward virtualized network infrastructure. Operators now face a timeline to either pivot their architecture or maintain aging hardware as support windows close.
Secondary market prices for the legacy cBR-8 units currently fluctuate, with recent listings appearing at $47,900 on eBay and $27,724.81 on CompuDevices.
The players
Cisco
A global networking hardware and software company that provides enterprise infrastructure for data centers and cable providers.
The details
The cBR-8, a chassis-based system used to manage high-speed cable internet delivery, is being phased out as operators transition to virtualized platforms. These virtual systems replace physical hardware components with software-defined functions that run on commodity servers. Alternatively, some operators are adding capacity licenses to existing cBR-8 chassis to delay full system migrations amid ongoing component scarcity.
Timeline
May 2015: Cisco launched the cBR-8 system.
April 2025: Cisco disclosed the end-of-life process.
April 11, 2026: Direct sales of the cBR-8 ended.
July 11, 2026: Final shipment date for the cBR-8 hardware.
July 10, 2030: Last date to extend or renew Cisco service contracts.
The Tech Race
The retirement of the cBR-8 marks a shift from proprietary hardware toward software-defined networking architectures. This migration mirrors a larger industry trend where cable providers reallocate capital from chassis-based systems to virtualized cloud platforms to compete with evolving network demands.
Cable operators will be forced to either migrate to virtual platforms or navigate the secondary market for hardware maintenance as support expires. This transition timeline dictates that internal network infrastructure teams must prioritize platform upgrades before the final support cutoff in 2031.
The takeaway
The cBR-8 sunset highlights the increasing difficulty of maintaining legacy hardware in an era of constrained memory supply chains. Industry observers should watch for the total number of migrations to virtual platforms completed by the 2030 service contract renewal deadline.
What happens next
Operators must prepare for the final date of system support, which is set for April 30, 2031.
Further reading
For more on how shifts in infrastructure impact network capacity, visit /tech/data-centers/.
Source note: This article includes information reported by Light Reading.
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