Avaya Ers

Updated September 20, 2026

Overview

Product sourcing insights & recommendations

26 来源

The phrase 'Avaya ERS' (Ethernet Routing Switch) refers to a legacy networking portfolio that transitioned to Extreme Networks following their acquisition of Avaya's networking business. As of 2026, the market is characterized by a final push toward total migration as the last remaining supported models approach their End-of-Service Life (EOSL).

Product Status & Lifecycle Insights

Most legacy Avaya ERS models have either reached or are nearing obsolescence:

ERS 4500/5500/5600 Series: These models reached End-of-Sale (EOS) in 2016 and generally hit EOSL in 2021 Extremenetworks Networkautobahn.
ERS 4800 Series: Currently in the final stages of its lifecycle, with EOSL dates typically falling between 2025 and 2026 Contactcenterguide Extremenetworks.
ERS 8000 Series: Legacy core switches (8600/8800) mostly reached EOSL by 2022 Extremenetworks Michaelfmcnamara.

Market Trends & Migration Pathways

The primary market trend for current ERS users is a transition to Extreme Networks' Universal Switching platforms. The 2026 outlook emphasizes AI-integrated and cloud-managed infrastructure Sma-Rty Informa.

Migration Strategy: Extreme Networks has mapped heritage Avaya ERS products to their 5420, 5520, and 7520/7720 series Extremenetworks Extremenetworks.
Third-Party Support: Due to the high volume of legacy hardware still in use, a secondary market for Third-Party Maintenance (TPM) is active, offering L2/L3 support at 60–80% below OEM pricing for organizations not yet ready to refresh their hardware Osiglobal.

Sourcing Recommendations

For organizations looking to replace or maintain their ERS footprint, verified B2B suppliers currently offer original Extreme Networks replacements:

Edge Migration: The Extreme 5420 Series (e.g., 5420F-24P-4XE) is the direct successor to the ERS 4000 series, with current wholesale pricing ranging from $2,780 to $3,080 for 24-port PoE configurations Alibaba.
Core Migration: For ERS 8000 series replacements, next-gen core switches like the 9500X series or modular campus switches are the current industry standard Alibaba Alibaba.

The attached files provide detailed listings of available migration hardware and core switching options from specialized networking suppliers.

Based on the legacy ERS lifecycle, you can continue with:

Sources & References

26 sources cited · Verified industry data & reports

Avaya End of Life List: Models & EOL Dates (2026)

contactcenterguide.com

IP Office Release 10.1 reached end of sale on August 12, 2024 and end of manufacturer support for software on August 12, 2025.

End of Sale and End of Service Life

Extreme Networks

Extreme Networks' End of Life (EOL) policy defines the final stage in a hardware, software or service product's lifecycle when manufacturing, sale, updates, ...

Avaya Agent for Desktop End of Sale: What the 2026 ...

Maverick Networks

Avaya discontinued new sales of Agent for Desktop on July 20, 2026. Here are the end-of-life dates, what the Global 1500 strategy means for ...

Avaya Product Lifecycle Policy

Avaya

37.0 Addition of End of Life (EOL) Avaya will end Support of the Product and the Product will be obsolete. Once obsolete, the Product is not ...

Advance Notification of End of Sale for ERS 5000 software ...

sitecorecontenthub.cloud

The product is no longer offered for sale after this date on Avaya systems. These products will not be available for order through Extreme ...

EoL and EoS for the ERS4500, 5500 and 5600 switches

networkautobahn.com

Avaya has published the End of Life / End of Sale notice for their switch familys ERS4500, ERS5500 and ERS5600. This means that in 5 years ...